CN1056663A - Activated carbon produced by catalysis method - Google Patents
Activated carbon produced by catalysis method Download PDFInfo
- Publication number
- CN1056663A CN1056663A CN 90103828 CN90103828A CN1056663A CN 1056663 A CN1056663 A CN 1056663A CN 90103828 CN90103828 CN 90103828 CN 90103828 A CN90103828 A CN 90103828A CN 1056663 A CN1056663 A CN 1056663A
- Authority
- CN
- China
- Prior art keywords
- coal
- carbonization
- industrial chemicals
- activation
- chemical catalysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title abstract description 26
- 239000003245 coal Substances 0.000 claims abstract description 42
- 239000003317 industrial substance Substances 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 10
- 239000004021 humic acid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000003077 lignite Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 2
- 238000001311 chemical methods and process Methods 0.000 abstract 1
- 239000002817 coal dust Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 239000002594 sorbent Substances 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- 238000001994 activation Methods 0.000 description 17
- 239000002351 wastewater Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000011148 porous material Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000274 adsorptive effect Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000011630 iodine Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- 235000014347 soups Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 244000144730 Amygdalus persica Species 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000018633 Prunus armeniaca Species 0.000 description 2
- 235000009827 Prunus armeniaca Nutrition 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 239000010903 husk Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010016825 Flushing Diseases 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000005539 carbonized material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention relates to a kind of chemical catalysis of producing high grade activated carbon, it is raw material with the coal dust, and coal and industrial chemicals kneading and compacting are contained in the non-metallic tank, carbonization-activation of indirect heating in kiln formula stove, and the industrial chemicals repeated use is reclaimed in rinsing then.This method has solved problems such as equipment high temperature corrosion, for industrialization is laid a good foundation.In addition, pollution-free in addition, the not electricity consumption of this law, less investment, easy characteristics such as grasp.The product gac can be used as support of the catalyst, also can be used as sorbent material and is used for multiple chemical process etc.
Description
The invention belongs to the preparation of gac, be specifically related to a kind of chemical catalysis of producing high grade activated carbon.
The production process of active carbon has two kinds-physics method and chemical method basically.The physics method is a raw material with mud coal, brown coal, bituminous coal, hard coal or organism (as organic fibre, plastics) etc., through high temperature carbonization, and water vapor or CO
2Activation forms.Carbonization process is emitted splitting gas and is caused topsoil, and the reactivation process superheat steam temperature influences the quality of product when not high enough, and the investment of founding the factory is very huge, need invest 4,000,000 yuan as producing 300-500 ton activated carbon per year.Chemical method is with industrial chemicals high temperature carbonization activation and prepare the method for activated carbon again with carbonaceous material chemical combination or after mixing." gac " book of domestic translation issuing, introduced a large amount of cut-and-try works, industrial chemicals has expanded tens kinds to, the coal mass active carbon of chemical method production is excellent than the gac of physics method production in general, but when high temperature (800-1200 ℃) carbonization-activation, very serious to equipment corrosion, therefore, have not yet to see big industrial report.
The object of the present invention is to provide a kind of less investment, cost low, pollution-free, anticorrosive, is the chemical catalysis of raw material at industrial production high grade activated carbon with the coal.
The step that the present invention produces the chemical catalysis of high grade activated carbon is:
(1) feed coal is crushed to certain particle size,
(2) fine coal is carried out chemical treatment,
(3) drying and moulding,
(4) carbonization-activation,
(5) industrial chemicals is reclaimed in rinsing,
(6) pH value of adjusting product after the pickling,
(70) product, drying, screening and packing.
The general weathered coal that contains a large amount of humic acidss that adopts of described feed coal during as if the employing hard coal, need be binding agent with a certain proportion of above-mentioned coal.The grinding particle size of various coals is as follows: below weathered coal 40 orders, below brown coal 120 orders, be crushed to below 80 orders after the mud coal rinsing desanding.Pulverized anthracite is broken to below 180 orders.Described chemical treatment is: the feed coal after will pulverizing mixes with the solution of industrial chemicals, and chemical reaction is carried out in heating.Used industrial chemicals comprises commercially pure KOH, NaOH, K
2CO
3, Na
2CO
3, K
2S, Na
2S, KSCN, CaCO
3(lightweight), saltcake, sulphur, phosphoric acid salt etc.Weight with feed coal is benchmark, and the weight of industrial chemicals is the heavy 10%-45% of coal, and what are decided according to the kind of feed coal and the type of gac for it, reclaim industrial chemicals with water rinse behind the carbonization-activation, and water consumption is the heavy 3-10 of coal times.When these poaching wastewaters are used as chemical treatment and preparation of raw material coal slurry interpolation industrial chemicals again, from the industrial chemicals that should add, deduct industrial chemicals amount contained in the waste water.The aqueous solution of the industrial chemicals that is made into according to the above ratio after the heated and boiled, adds raw material fine coal, under 80-100 ℃, and chemical reaction 0.5-1 hour, constantly stir, make it to become pulpous state.Cooling, sedimentation naturally in reactor, the silt particle of removing the bottom is standby.
Described drying and moulding can be directly air-dry or oven dry under 100 ℃-120 ℃ with above-mentioned soup compound; Can also be with the dried or oven dry of described soup compound elder generation's moulding after wind.
The invention is characterized in that described carbonization-activation is that the material behind the drying and moulding is contained in the non-metallic tank of adding a cover, be placed on temperature then and can reach 700-1200 ℃ various process furnace indirect heating, make the material carbonization-activation.
Described non-metallic material batch can be graphite jar, sand jar, the fire proofed wood batch can of commercially available different shape, is the anticracking corrosion resistant, and it is standby to soak into the back airing with water glass after described charger pan is warming up to 50-100 ℃; The shape of charger pan and size are one of important factors that influence gac pore size distribution and specific surface, during as the gac of manufacturing mesopore prosperity, and employing A shape jar, its diameter＞20cm, height＞25cm is the garden cylindricality, and B shape jar, its diameter＜20cm, height＜25cm; The mouth-sealing method of charger pan is: for making common gac, directly add the capping of same material, seal the slit with refractory mortar, and leave pore.For making special gac, for preventing behind the carbonization-activation in the temperature-fall period oxygenated products gac in the oxygen suction tank, can be on above-mentioned pore, the tubule that connects high 7cm, a diameter 5cm, in adorn common gac, in the temperature-fall period, be inhaled into jar interior air earlier by its deoxygenation, in order to avoid cause the oxidation of product gac.Certainly, which floor described column charger pan can also be divided into orifice plate, the upper strata as deoxygenation, the slightly sp act charcoal of difference of quality is collected in layering then, as different purposes.
Described process furnace can be the various cob brick kilns that the kiln of falling the cigarette, rotary disk kiln and kiln temperature are evenly distributed.
Described carbonization-activation process is once finished, and its step is as follows:
A., after the charger pan that material is housed seals on request, pack in the kiln with scroll shape, jar apart from furnace roof 50-100cm,, even to guarantee heating temperature apart from furnace wall 30-50cm.
B. jar separate with toilet paper or plant bar with a jar contact position, so as not to during high temperature with the jar sintering together.
C. temperature rises to 700-1200 ℃ from room temperature and needs 4-40 hour approximately in the stove, constant temperature 0.5-6 hour then, jar is taken out after reducing to room temperature naturally.
The step that industrial chemicals is reclaimed in described rinsing is as follows:
A. will cool off back carbonization-activation material and pour rinsing bath into.
B. divide 4-6 rinsing with hot water, the total water amount is 3-10 a times of feed coal weight.
C. the content of industrial chemicals calculates the amount of industrial chemicals at whole waste water in whole poaching wastewater meterings and the mensuration water, adds a certain amount of industrial chemicals again, makes it to reach rated value, prepares against when preparing burden and uses.
Being adjusted to of described pickling and pH value: with the drying materials after the rinsing, soak objectionable impuritiess such as the prussiate removed in 1-4 hour in the material, sulfide with 50-100 ℃ the vitriol oil or concentrated nitric acid, NH is used in material water flushing twice again
4HCO
3Flushing twice, waste water NH
4HCO
3After regulating pH value, make compound manure after being directly used in irrigation or concentrating oven dry.
Described product drying, screening and packing are that the product after pickling, the washing is air-dry or 100-120 ℃ of oven dry, pulverize screening, last packaging final prod.
When carrying out described chemical treatment, as the different used raw material differences of purpose activated carbon product, used Chemicals and amount thereof are also also different.
Be used as the manufacturing of the support of the catalyst gac when vinyl acetate between to for plastic is synthetic in the synthesizing polyethylene alcohol process, it is raw material that feed coal will adopt weathered coal that contains 50% above humic acids or the humic acids that is extracted by weathered coal that contains humic acids or brown coal etc., and the content of used industrial chemicals potassium hydroxide is the heavy 35-50% of feed coal.
As the raw materials used of the gac that extracts gold and silver in the gold mining industry is pure humic acids or the weathered coal that contains 58% above humic acid, industrial chemicals KOH weight is the heavy 35-50% of feed coal, the carbonization-activation temperature is 850-1000 ℃, in order to improve its intensity, again 1000-1250 ℃ of roasting once.Be used as the manufacturing of the micropore gac of gas delivery and micromolecular organic gas phase, liquid phase adsorption, used industrial chemicals KOH weight is the 25-45% of raw material weight, 650-850 ℃ of carbonization-activation temperature.
Industrial experiment of the present invention shows that its technique effect and economic benefit are conspicuous.
(1) chemical catalysis that adopts canned kiln formula stove to heat has solved the problem of the ubiquitous equipment high temperature corrosion of general chemical method, for large-scale industrial production is laid a good foundation.
(2) this method does not exist splitting gas, tar, ZnCL
4And sour waste water etc. is to the pollution of environment.
(3) this method heats with coal-fired kiln formula stove, and one step of carbonization-activation finishes, and all the time without kilowatt-hour, helps power-shortage area and starts.
(4) raw material of this method can be various types of coals: weathered coal, mud coal, brown coal or hard coal etc., raw material sources are extensive, cost is low.
(5) good quality of product of this method, the level of reaching of having wooden (coconut husk, apricot shell, peach shell etc.) gac can be made into the different series product of purposes.
(6) this method facility investment is few, and when living factory rules and regulations mould was identical, its under-capitalization physics method was produced 10% of gac investment.
(7) this method production technology is grasped easily, is suitable for township and village enterprises and starts.
Embodiment 1
1. weathered coal is crushed to 40 now,
2. chemical treatment: get poaching wastewater 600kg, include KOH28kg, add the KOH(technical pure again) 12kg, heating for dissolving is to boiling, and with the reaction 1 hour under continuous condition of stirring of 100kg40 purpose weathered coal, naturally cooling, sedimentation, removes bottom sediment,
3. shaping and drying: above-mentioned soup compound is squeezed into the bar that diameter is 2.5mm through the post press, and is can also be with soup compound directly air-dry or be dried into block to pulverize the back standby through air-dry or 100-140 ℃ of oven dry,
4. carbonization-activation: the Type B sand jar of packing into, refractory mortar seals and stays pore, and scroll shape is arranged the kiln of falling the cigarette of packing into, apart from pushing up 80cm, apart from wall 30cm, is warming up to 1000 ℃ in 24-36 hour, constant temperature 3 hours, naturally cooling is reduced to room temperature,
5. industrial chemicals is reclaimed in rinsing: divide 5 flushings with 6 times of heavy hot water of silt coal, and the waste water metering, it is standby to detect the back,
6. accent pH value: the gac after the rinsing is used dense H down at 100 ℃
2SO
4Soaked 4 hours, and removed impurity, drain, water flushing twice, use (NH again
4)
2CO
3Flushing twice, waste water are made compound manure after transferring pH value with bicarbonate of ammonia.
7. product drying, screening and packing.
This product may use as Gas Phase Adsorption or catalytic carrier gac, and its performance and like product contrast are as follows:
The homemade DX-15 of Xinhua of this product of project U.S. BPL charcoal
Specific surface (m
2/ g)＞1000 1050-1150 1000
Iodine number (mg/g) 1049＞=1050＞1000
CCL adsorptive capacity (%)＞65＞=60/
Bulk density (g/cm
3) 0.4 0.48 0.42
Abrasive wear resistance (%)＞96 90.93＞80
Ash content (%) 12-14＜10 12
Embodiment 2
Among the embodiment 1 the 4th the step B shape sand jar change other step of A type into and proportioning identical.Products obtained therefrom is the liquid phase adsorption gac, and its performance index contrast is as follows:
The project U.S. of the present invention F gac Japan X-700 gac
Specific surface (m
2/ g)＞1000 850-900 1048
Bulk density (g/cm
3) 0.4 0.5-0.6 0.458
Iodine number (mg/g) 1040 850-900 1040
Phenol value (mg/g)＞190/230
Yamamoto Methylene Blue ZF adsorptive value (mg/g)＞250 200-240 195
Abrasive wear resistance (%)＞95 80-85 93
Embodiment 3
Used industrial chemicals KOH gross weight is 43kg, and other proportionings and step are identical with embodiment 1.Product is as carrier active carbon, and its performance comparison is as follows:
Project peach of the present invention, apricot shell charcoal coconut husk charcoal
Bulk density (g/cm
3) 0.39-0.38-0.42
Acetic acid adsorptive capacity (mg/g)＞=580 550 600
Zinc acetate adsorptive capacity (mg/100ml)＞-6.8 6.0 7.0
Abrasive wear resistance (%)＞80-75
Embodiment 4
Proportioning, step are with embodiment 1, and different is that said gac is repeated a destructive distillation again with the method for carbonization-activation again, and the carbonization-activation temperature is 900 ℃ for the first time, and pyrolysis temperature is 1200 ℃ for the second time.Products obtained therefrom is as the gac that extracts gold and silver, and its performance comparison is as follows:
Project russian patent product of the present invention
Micropore pore volume 0.7cm
3/ g 0.3cm
3/ cm
3
Mesopore volume 0.3cm
3/ g 0.09cm
3/ cm
3
Macropore pore volume 0.24cm
3/ cm
3
Abrasive wear resistance (%)＞97 91
Embodiment 5
Used KOH amount is 35kg, and the carbonization-activation temperature is 700 ℃, and other proportioning steps are with embodiment 1, and the performance of gained gac is as follows:
The following micropore pore volume of 10A (cm
3/ g)＞60
Mesopore volume (cm
3/ g) 0.036
Specific surface (m
2/ g)＞800
Abrasive wear resistance (%)＞95
Used industrial chemicals is NaOH, and weight is 15kg, adorns one deck lightweight CaCO in the bottom of jar earlier before the carbonized material tinning
3, other are with embodiment 1.Product performance are as follows:
Iodine number (mg/g)＞800
Yamamoto Methylene Blue ZF adsorptive value (mg/g)＞180
Abrasive wear resistance (%)＞95
Embodiment 7
Raw material is following weathered coal of 40 orders and the following hard coal of 120 orders, mixes at 1: 1 by weight, changes the Type B jar into A type jar, and other proportionings and step are with embodiment 1.
Product performance index is: specific surface (m
2/ g)＞750
Iodine number (mg/g)＞800
Abrasive wear resistance (%) 91
Embodiment 8
Raw material is that the following brown coal of following weathered coal of 40 orders and 120 orders mixed by weight 1: 1, and other proportioning and step are with embodiment 1.Resistance is:
Iodine number (mg/g)＞800
Yamamoto Methylene Blue ZF adsorptive value (mg/g)＞180
Abrasive wear resistance (%)＞95
Claims (7)
1, a kind of chemical catalysis of production high-quality activated carbon, its step comprises: (1) feed coal is crushed to certain particle size, (2) chemical treatment, (3) drying and moulding, (4) carbonization-activation, (5) industrial chemicals is reclaimed in rinsing, (6) transfer pH value after the pickling, (7) product drying, screening, packing is characterized in that described carbonization-activation is that material is packed in the non-metallic tank, indirect heating in kiln formula stove, a step is finished carbonization-activation.
2, chemical catalysis as claimed in claim 1 is characterized in that described non-metallic tank is graphite jar, sand jar or fire proofed wood batch can.
3,, it is characterized in that described kiln formula stove is the kiln of falling the cigarette, disc type kiln or various cob brick kiln as claim 1 and 2 described chemical catalysis.
4, chemical catalysis as claimed in claim 1 is characterized in that described pickling is to adopt the vitriol oil or concentrated nitric acid to soak 1-4 hour at 50 ℃-100 ℃.
5, chemical catalysis as claimed in claim 1 is characterized in that described raw material is to contain the humic acids that the weathered coal of 50% above humic acids or weathered coal or brown coal extracting go out, and industrial chemicals KOH is the heavy 35-50% of coal.
6, chemical catalysis as claimed in claim 1, it is characterized in that the pure humic acids of described raw material or contain the weathered coal of humic acids more than 58%, industrial chemicals is the heavy 35-50% of coal, and the carbonization-activation temperature is 850-1000 ℃, and pyrolysis temperature thereafter is 1000-1250 ℃.
7, chemical catalysis as claimed in claim 1 is characterized in that described industrial chemicals KOH is the heavy 25-45% of coal, and the carbonization-activation temperature is 650-850 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90103828 CN1056663A (en) | 1990-05-23 | 1990-05-23 | Activated carbon produced by catalysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90103828 CN1056663A (en) | 1990-05-23 | 1990-05-23 | Activated carbon produced by catalysis method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1056663A true CN1056663A (en) | 1991-12-04 |
Family
ID=4878260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90103828 Pending CN1056663A (en) | 1990-05-23 | 1990-05-23 | Activated carbon produced by catalysis method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1056663A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100503435C (en) * | 2003-05-16 | 2009-06-24 | 中国人民解放军军事医学科学院毒物药物研究所 | Nano level active carbon and its preparation and use |
| CN102432006A (en) * | 2011-09-22 | 2012-05-02 | 煤炭科学研究总院 | Special activated carbon for oil gas recovery and preparation method thereof |
| CN102602930A (en) * | 2012-03-22 | 2012-07-25 | 西安科技大学 | Method for preparing activated carbon by aid of compound activators |
| CN108529587A (en) * | 2017-08-30 | 2018-09-14 | 北京化工大学 | A kind of preparation method and applications of the biomass graded hole Carbon Materials of phosphorus doping |
| CN110436461A (en) * | 2018-05-02 | 2019-11-12 | 新奥科技发展有限公司 | A kind of active carbon and preparation method thereof |
-
1990
- 1990-05-23 CN CN 90103828 patent/CN1056663A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100503435C (en) * | 2003-05-16 | 2009-06-24 | 中国人民解放军军事医学科学院毒物药物研究所 | Nano level active carbon and its preparation and use |
| CN102432006A (en) * | 2011-09-22 | 2012-05-02 | 煤炭科学研究总院 | Special activated carbon for oil gas recovery and preparation method thereof |
| CN102432006B (en) * | 2011-09-22 | 2013-06-12 | 煤炭科学研究总院 | Oil gas recycling special activated carbon and preparation method thereof |
| CN102602930A (en) * | 2012-03-22 | 2012-07-25 | 西安科技大学 | Method for preparing activated carbon by aid of compound activators |
| CN108529587A (en) * | 2017-08-30 | 2018-09-14 | 北京化工大学 | A kind of preparation method and applications of the biomass graded hole Carbon Materials of phosphorus doping |
| CN110436461A (en) * | 2018-05-02 | 2019-11-12 | 新奥科技发展有限公司 | A kind of active carbon and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Nanda et al. | Biochar as an exceptional bioresource for energy, agronomy, carbon sequestration, activated carbon and specialty materials | |
| CA2710719C (en) | Material and/or fuel produced from biomass | |
| H El-Gamal et al. | Comparison between properties of biochar produced by traditional and controlled pyrolysis | |
| CN108059160B (en) | A kind of production method of bamboo charcoal and carbonization device used in the method | |
| CN108264045A (en) | Method for preparing porous carbon material with ultra-high specific surface area by pyrolyzing tar from waste biomass | |
| CN1017702B (en) | Process to produce high methane content gas mixture from coal | |
| CN106423113B (en) | A kind of preparation method of modified oil shale semi-coke adsorbent | |
| CN104258808B (en) | Method and system for increasing specific surface area of sludge biochar | |
| CN103553040A (en) | Method for preparing porous carbon through co-pyrolysis of petroleum coke and oily sludge | |
| MX2011003732A (en) | System and method for activating carbonaceous material. | |
| CN103894393B (en) | A kind of Kitchen waste hydrothermal processing method and device | |
| CN111302340A (en) | A kind of preparation method of biogas residue biochar | |
| CN112624792A (en) | Ceramsite prepared from byproducts of sludge treatment based on plants, and preparation method and application thereof | |
| CN104495841A (en) | Preparation method of walnut shell-doped sludge activated carbon | |
| CN107857245A (en) | Preparation method of phosphorus-containing sludge-based carbon material with high bioavailability | |
| CN1056663A (en) | Activated carbon produced by catalysis method | |
| CN106675589A (en) | Exhaust gas and waste heat recovery technology for biochar preparation by sludge reduction gasification | |
| CN104743553A (en) | Method and device for co-production of furfural and active carbon | |
| CN115155520B (en) | Phosphoric acid modified sawdust hydrothermal charcoal and its application | |
| CN100427491C (en) | Process for preparing cyclic siloxane by using silicone rubber leftover materials | |
| JP3577223B2 (en) | Activated carbon production method using sludge | |
| CN203807182U (en) | Equipment for preparing activated carbon through furfuraldehyde co-production | |
| Mei et al. | Co-pyrolysis of sewage sludge and grape dreg to produce efficient and low-cost biochar for methylene blue removal: adsorption performance and characteristics | |
| CN105236403A (en) | Method for preparing high-specific-surface-area active carbon by virtue of ultrasonic auxiliary dispersion | |
| CN108910875A (en) | A kind of production method of bamboo bamboo charcoal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |