CN1190080A - 制备碱金属和碱土金属氰化物颗粒的方法及由此获得的高纯度碱金属氰化物颗粒 - Google Patents
制备碱金属和碱土金属氰化物颗粒的方法及由此获得的高纯度碱金属氰化物颗粒 Download PDFInfo
- Publication number
- CN1190080A CN1190080A CN98100078A CN98100078A CN1190080A CN 1190080 A CN1190080 A CN 1190080A CN 98100078 A CN98100078 A CN 98100078A CN 98100078 A CN98100078 A CN 98100078A CN 1190080 A CN1190080 A CN 1190080A
- Authority
- CN
- China
- Prior art keywords
- alkali metal
- gas
- reactor
- bed
- metal cyanide
- 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.)
- Granted
Links
- -1 alkali metal cyanide Chemical class 0.000 title claims abstract description 75
- 229910052783 alkali metal Inorganic materials 0.000 title claims abstract description 61
- 239000008187 granular material Substances 0.000 title claims abstract description 28
- 229910052784 alkaline earth metal Inorganic materials 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000007789 gas Substances 0.000 claims abstract description 154
- 238000000034 method Methods 0.000 claims abstract description 130
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000000243 solution Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims abstract description 12
- 238000005469 granulation Methods 0.000 claims abstract description 11
- 230000003179 granulation Effects 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 29
- 239000000376 reactant Substances 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 17
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 14
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 claims description 14
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 9
- 150000003818 basic metals Chemical class 0.000 claims description 8
- 239000006227 byproduct Substances 0.000 claims description 8
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims description 8
- 239000008246 gaseous mixture Substances 0.000 claims description 8
- 229910052728 basic metal Inorganic materials 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000005243 fluidization Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 240000007651 Rubus glaucus Species 0.000 claims description 2
- 235000011034 Rubus glaucus Nutrition 0.000 claims description 2
- 235000009122 Rubus idaeus Nutrition 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 239000012798 spherical particle Substances 0.000 claims description 2
- 229910001038 basic metal oxide Inorganic materials 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 29
- 239000000203 mixture Substances 0.000 abstract description 14
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract description 9
- 238000006189 Andrussov oxidation reaction Methods 0.000 abstract description 8
- 239000007900 aqueous suspension Substances 0.000 abstract description 3
- 150000001340 alkali metals Chemical class 0.000 abstract description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 abstract 1
- 150000008041 alkali metal carbonates Chemical class 0.000 abstract 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000001141 propulsive effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- ZQULWKDLLXZZSP-UHFFFAOYSA-N calcium cyanide Chemical compound [Ca+2].N#[C-].N#[C-] ZQULWKDLLXZZSP-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000009477 fluid bed granulation Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008649 adaptation response Effects 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
- C01C3/10—Simple alkali metal cyanides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
Abstract
Description
| 实施例1 | 实施例2 | |
| 排放气温度(℃) | 105 | 110 |
| NaCNNaOHNa2CO3甲酸钠H2O | 98.301.010.180.180.33 | 98.071.120.080.110.62 |
Claims (16)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19704180A DE19704180C1 (de) | 1997-02-05 | 1997-02-05 | Verfahren zur Herstellung von Alkalicyanid- und Erdalkalicyanid-Granulaten und hierbei erhältliche Alkalicyanid-Granulate hoher Reinheit |
| DE19704180.9 | 1997-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1190080A true CN1190080A (zh) | 1998-08-12 |
| CN1176021C CN1176021C (zh) | 2004-11-17 |
Family
ID=7819283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981000789A Expired - Lifetime CN1176021C (zh) | 1997-02-05 | 1998-01-24 | 制备碱金属和碱土金属氰化物颗粒的方法及由此获得的高纯度碱金属氰化物颗粒 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US5958588A (zh) |
| EP (1) | EP0857689B1 (zh) |
| JP (1) | JP3537656B2 (zh) |
| KR (1) | KR100422264B1 (zh) |
| CN (1) | CN1176021C (zh) |
| AP (1) | AP786A (zh) |
| AU (1) | AU721518B2 (zh) |
| BR (1) | BR9800554A (zh) |
| CA (1) | CA2228809A1 (zh) |
| CZ (1) | CZ28998A3 (zh) |
| DE (2) | DE19704180C1 (zh) |
| ES (1) | ES2137788T3 (zh) |
| RU (1) | RU2201895C2 (zh) |
| SK (1) | SK14398A3 (zh) |
| TW (1) | TW371649B (zh) |
| ZA (1) | ZA98908B (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750235A (zh) * | 2015-06-18 | 2018-03-02 | Epc工程与技术有限公司 | 制备碱金属氰化物的方法中的含氰化物的废气和废水的解毒的有效方法 |
| CN109603279A (zh) * | 2019-02-22 | 2019-04-12 | 高云芝 | 一种升降温分段拦截提取物的过滤机组 |
| CN110198778A (zh) * | 2017-01-25 | 2019-09-03 | 蒂森克虏伯工业解决方案股份公司 | 用于在流化床造粒中进行热回收的方法和设备 |
| CN113015699A (zh) * | 2018-09-14 | 2021-06-22 | 博特化工装置股份公司 | 生产苛性钠颗粒的方法和装置 |
| CN116096676A (zh) * | 2020-07-14 | 2023-05-09 | 赛安可公司 | 改进的碱金属氰化物生产 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10006862A1 (de) * | 2000-02-16 | 2001-09-06 | Degussa | Verfahren zur Herstellung von Formlingen anorganischer Cyanide und nach dem Verfahren erhältliche Produkte |
| NO315275B1 (no) * | 2001-02-23 | 2003-08-11 | Norsk Hydro As | Frittflytende produkter omfattende kaliumformiat |
| DE10127240B4 (de) * | 2001-05-22 | 2005-05-12 | Hüttlin, Herbert, Dr.h.c. | Vorrichtung zum Behandeln von partikelförmigem Gut |
| DE10150325A1 (de) | 2001-10-15 | 2003-04-24 | Degussa | Verfahren zur Herstellung oder Beschichtung von Granulaten, Vorrichtung zur Durchführung des Verfahrens und hiernach erhältliche Granulate |
| DE102005026326A1 (de) * | 2005-06-07 | 2006-12-14 | Basf Ag | Verfahren zur Herstellung von Salzen der Blausäure |
| US8894961B2 (en) | 2009-05-22 | 2014-11-25 | E I Du Pont De Nemours And Company | Sodium cyanide process |
| DE102011075595A1 (de) * | 2011-05-10 | 2012-11-15 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Kohlefasern |
| CN102502708B (zh) * | 2011-10-21 | 2013-11-13 | 重庆紫光天化蛋氨酸有限责任公司 | 一种高纯度、高收率的碱金属或碱土金属氰化物的制备方法 |
| DE102012220341A1 (de) * | 2012-11-08 | 2014-05-08 | Evonik Industries Ag | Kohlenstofffaserherstellung mit verbesserter Blausäuregewinnung |
| DE102015211231A1 (de) * | 2015-06-18 | 2016-12-22 | Epc Engineering Consulting Gmbh | Weiterentwickelte Anlage zur Herstellung von Natriumcyanid |
| CN110470789B (zh) * | 2019-08-26 | 2022-07-05 | 四川达兴能源股份有限公司 | 一种焦炉煤气中氰化氢的测定方法 |
| CN115364777B (zh) * | 2020-12-24 | 2023-09-08 | 内蒙古华镒环境工程有限公司 | 铅银渣回收方法 |
| CN114857578B (zh) * | 2022-05-31 | 2024-10-29 | 邹平县宏旭热电有限公司 | 一种改善四角切圆锅炉火焰中心偏斜的热态研究方法 |
| DE102023127413A1 (de) | 2023-10-09 | 2025-04-10 | Dbfz Deutsches Biomasseforschungszentrum Gemeinnützige Gmbh | Vorrichtung und Verfahren zur Herstellung von Alkalihydrogencarbonaten aus biogenem Kohlendioxid und zur Aufbereitung von biogenem Rohgas sowie granuliertes Alkalihydrogencarbonat |
| CN117466390A (zh) * | 2023-10-20 | 2024-01-30 | 华能应城热电有限责任公司 | 一种电化学法回收蓝铁矿装置及其工作方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB320733A (en) * | 1928-09-15 | 1929-10-24 | Ig Farbenindustrie Ag | Improvements in the manufacture and production of calcium cyanide |
| US1909042A (en) * | 1928-10-15 | 1933-05-16 | Roessler & Hasslacher Chemical | Calcium cyanide |
| JPS52110300A (en) * | 1976-03-12 | 1977-09-16 | Nippon Soda Co Ltd | Production of high purity alkali cyanate |
| US4394522A (en) * | 1981-06-01 | 1983-07-19 | Mobay Chemical Corporation | Catalytic hydrogenation of di(4-aminophenyl)methane |
| CA1247316A (en) * | 1985-04-04 | 1988-12-28 | Daniel E. Harrison | Sodium cyanide briquetting |
| US4847062A (en) * | 1987-09-24 | 1989-07-11 | E. I. Du Pont De Nemours And Company | Process for production of sodium cyanide |
| DE3832883A1 (de) * | 1988-09-28 | 1990-03-29 | Degussa | Verfahren zur herstellung von alkalicyaniden |
| DE4240318A1 (de) * | 1992-12-01 | 1994-06-09 | Glatt Ingtech Gmbh | Verfahren zur Herstellung von festem Natriumcyanid |
| DE4240576C2 (de) * | 1992-12-04 | 1996-04-18 | Degussa | Alkalicyanid-Granulate und Verfahren zu ihrer Herstellung |
-
1997
- 1997-02-05 DE DE19704180A patent/DE19704180C1/de not_active Expired - Fee Related
-
1998
- 1998-01-14 DE DE59800022T patent/DE59800022D1/de not_active Expired - Lifetime
- 1998-01-14 ES ES98100504T patent/ES2137788T3/es not_active Expired - Lifetime
- 1998-01-14 EP EP98100504A patent/EP0857689B1/de not_active Expired - Lifetime
- 1998-01-19 TW TW087100658A patent/TW371649B/zh active
- 1998-01-24 CN CNB981000789A patent/CN1176021C/zh not_active Expired - Lifetime
- 1998-01-30 CZ CZ98289A patent/CZ28998A3/cs unknown
- 1998-02-02 JP JP02078098A patent/JP3537656B2/ja not_active Expired - Lifetime
- 1998-02-02 SK SK143-98A patent/SK14398A3/sk unknown
- 1998-02-04 AP APAP/P/1998/001197A patent/AP786A/en active
- 1998-02-04 CA CA002228809A patent/CA2228809A1/en not_active Abandoned
- 1998-02-04 ZA ZA98908A patent/ZA98908B/xx unknown
- 1998-02-04 AU AU52930/98A patent/AU721518B2/en not_active Expired
- 1998-02-04 RU RU98101812/12A patent/RU2201895C2/ru active
- 1998-02-04 BR BR9800554-5A patent/BR9800554A/pt not_active IP Right Cessation
- 1998-02-05 KR KR1019980003189A patent/KR100422264B1/ko not_active Expired - Lifetime
- 1998-02-05 US US09/018,894 patent/US5958588A/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750235A (zh) * | 2015-06-18 | 2018-03-02 | Epc工程与技术有限公司 | 制备碱金属氰化物的方法中的含氰化物的废气和废水的解毒的有效方法 |
| CN112320819A (zh) * | 2015-06-18 | 2021-02-05 | Epc工程与技术有限公司 | 制备碱金属氰化物的方法中的含氰化物的废气和废水的解毒的有效方法 |
| CN107750235B (zh) * | 2015-06-18 | 2021-03-19 | Epc工程与技术有限公司 | 制备碱金属氰化物的方法中的含氰化物的废气和废水的解毒的有效方法 |
| US11905179B2 (en) | 2015-06-18 | 2024-02-20 | Cyplus Gmbh | Efficient method for decontaminating waste gases and waste water containing cyanide in a method for producing alkali metal cyanides |
| CN110198778A (zh) * | 2017-01-25 | 2019-09-03 | 蒂森克虏伯工业解决方案股份公司 | 用于在流化床造粒中进行热回收的方法和设备 |
| CN113015699A (zh) * | 2018-09-14 | 2021-06-22 | 博特化工装置股份公司 | 生产苛性钠颗粒的方法和装置 |
| CN109603279A (zh) * | 2019-02-22 | 2019-04-12 | 高云芝 | 一种升降温分段拦截提取物的过滤机组 |
| CN116096676A (zh) * | 2020-07-14 | 2023-05-09 | 赛安可公司 | 改进的碱金属氰化物生产 |
| CN116096676B (zh) * | 2020-07-14 | 2024-04-16 | 赛安可公司 | 改进的碱金属氰化物生产 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10310424A (ja) | 1998-11-24 |
| AU721518B2 (en) | 2000-07-06 |
| EP0857689A1 (de) | 1998-08-12 |
| CA2228809A1 (en) | 1998-08-05 |
| AP786A (en) | 1999-11-26 |
| JP3537656B2 (ja) | 2004-06-14 |
| ZA98908B (en) | 1998-08-04 |
| CZ28998A3 (cs) | 1998-08-12 |
| CN1176021C (zh) | 2004-11-17 |
| TW371649B (en) | 1999-10-11 |
| ES2137788T3 (es) | 1999-12-16 |
| US5958588A (en) | 1999-09-28 |
| DE59800022D1 (de) | 1999-09-30 |
| KR19980071088A (ko) | 1998-10-26 |
| AU5293098A (en) | 1998-08-13 |
| EP0857689B1 (de) | 1999-08-25 |
| BR9800554A (pt) | 1999-09-28 |
| SK14398A3 (en) | 1998-08-05 |
| DE19704180C1 (de) | 1998-08-20 |
| AP9801197A0 (en) | 1998-03-31 |
| RU2201895C2 (ru) | 2003-04-10 |
| KR100422264B1 (ko) | 2004-05-27 |
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