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CN1371888A - Compound trace element chelated fertilizer and preparation method thereof - Google Patents

Compound trace element chelated fertilizer and preparation method thereof Download PDF

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Publication number
CN1371888A
CN1371888A CN 01103973 CN01103973A CN1371888A CN 1371888 A CN1371888 A CN 1371888A CN 01103973 CN01103973 CN 01103973 CN 01103973 A CN01103973 A CN 01103973A CN 1371888 A CN1371888 A CN 1371888A
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CN
China
Prior art keywords
acid
trace element
amino acid
hydrolysis
humic acids
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Pending
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CN 01103973
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Chinese (zh)
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邵建华
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Individual
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Individual
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Priority to CN 01103973 priority Critical patent/CN1371888A/en
Publication of CN1371888A publication Critical patent/CN1371888A/en
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Abstract

The preparation method of complex type trace element chelate fertilizer incldues the following steps: adding trace element in waste protein, hydrolyzing with acid to produce amino acid trace element chelate sat liquid, then using alkali to extract humic acid liquid from peat and using it as neutralizer to remove acid from amino acid hydrolysate, at the same time produce trace element chealte using amino acid and humic acid as ligand. Because the difference of two ligands is large in properties of molecular weiht, chelating rate, solubility, decomposition speed in soil and absorption speed by plant, so that it can provide different trace elements for crops so as to can ensure the requirements of crops for trace elements.

Description

A kind of compound trace element chelated fertilizer and preparation method thereof
The present invention relates to a kind of compound trace element chelated fertilizer and preparation method thereof.
Chelated trace element of compound amino acid generally uses and obtains good effect of increasing production in China as foliage fertilizer, but as it then is not reported as the base manure trace element supplement.One of reason is the little fertile cost height of amino acid, because of its solubleness is big, is easily taken away loss by water after entering soil, and amino acid is the nutritive substance of various microorganisms in the soil, can be digested and assimilated by microorganism, thereby reduce the effect of utilizing of amino-acid trace element.Former two is amino-acid chelate production cost height therefore, although utilize discarded albumen and reduced production cost, in and spent acid consume a large amount of liquid caustic soda, the neutralization back generates a large amount of inorganic salt, and cost is raise, quality reduces.
The present invention utilizes alkali lye to extract earlier humic acids in the mud coal, again with it as neutralizing agent, the amino acid hydrolysis that neutralizes is with acid.The humic acids that generates as good trace element chelated dose, makes it " alkali is dual-purpose " simultaneously.Humic acids only could dissolve under the meta-alkalescence condition, and in PH>7 o'clock, the inorganic salt hydrolysis of trace element generates precipitation of hydroxide, is difficult to and the humic acids chelating.And PH<7 o'clock, humic acids does not dissolve, and is more difficult as ligand chelating dissolved metal ion.The present invention again with solubleness bigger alkaline humic acid solution plays chelating, neutralization reaction with chelating amino acids with trace element under acidic conditions, solved humic acids problem of difficult chelated microelement all under acid-base condition.Because the molecular weight of humic acids microelement chelate is big, stable performance, be difficult for by microbial consumption, can prolong the time of utilizing for farm crop, effectively reduce production cost, obtain the effect of killing two birds with one stone, make this compound inner complex both can be used for doing foliage fertilizer, water fertilizing, drip irrigation fertilizer can be used as base manure again, also can be composite with other composite fertilizer, BB fertilizer.Overcome amino acid because of the cost height, easily run off and be difficult to the shortcoming used as base manure, had both amino acid, humic acids advantage, had bigger use range and better effect of increasing production than single ligand as ligand.
For achieving the above object, the technical solution used in the present invention is:
1. producing of composite aminoacid chelating liquid: will discard protein 10 00kg and add in 3000 liters of enamel reactors, and add hydrochloric acid 1500~2000kg of 30~35%, the passageway is steam heated to 100 ℃ of hydrolysis.After the protein dissolving, add trace element 100~150kg (inorganic salt are converted into the element meter) under 100~110 ℃, continue hydrolysis after 4~8 hours, remove spent acid, be composite aminoacid chelating liquid with vacuum-evaporation.
2. producing of humic acid solution: at 10m 3Iron flask in add 2% NaOH solution 8m 3, stir, add mud coal 1T again, be heated to boiling, kept 2 hours, surplus heat is filtered with plate-and-frame filter press.Filtrate through vacuum concentration to 2m 3, be the humic acids concentrated solution.
3. the composite aminoacid chelating liquid that will produce is controlled PH5-6 with the neutralization of humic acids concentrated solution, is dried with spray drying device, is finished product.
In conjunction with the embodiments, the present invention is further described:
Example 1:
Take by weighing the 1000kg feather stem and join 3000 liters of enamel reactors, be heated to 100 ℃, hydrolysis 2 hours is all dissolved to feather stem, adds ZnSO 47H 2O 200kg, FeSO 47H 2O200kg, MnSO 4H 2O 200kg, CuSO 45H 2O 50kg continues hydrolysis 5 hours down at 100~110 ℃, and vacuum-evaporation deacidifies to 500 liters, makes composite aminoacid chelating liquid A.Other gets mud coal 1000kg, stirs to add down 7m is housed 3In the iron flask of 2% NaOH solution, lead directly to and be steam heated to boiling, kept 2 hours, surplus heat is removed insolubles with plate-and-frame filter press.Solution with vacuum concentration to 2m 3, make humic acid solution B, B liquid is added the A neutralization, make PH reach 5-6 and continue to be concentrated into glue, suction spraying machine drying is compound trace element chelated fertilizer required for the present invention.
Example 2:
Take by weighing the 1000kg cotton cake dregs, join 3000 liters of enamel reactors, add the H of 1800kg35% 2SO 4, being heated to 100~110 ℃, hydrolysis 8 hours is aminoacids solution A.Other gets 7m 32% KOH adds 10m 3Iron flask in, stir progressively to add down and be crushed to 100 purpose mud coals.Lead directly to and be steam heated to boiling, and stirred 2 hours, filter, remove the lixiviating insolubles, solution is humic acids B.B liquid is progressively added the solution A neutralization, regulate PH and reach 5-6, add MnSO 4H 2O, 600kg carry out chelatropic reaction under 100 ℃, be compound humic acids manganese liquid C, with C liquid spray tower drying, are compound chelating manganese fertilizer required for the present invention.

Claims (8)

1. compound trace element chelated fertilizer and preparation method thereof, be that waste protein is added trace element, with generating amino acid trace element chelated salt liquid after the acid hydrolysis, the humic acid liquid of getting in the mud coal with the alkali lixiviate is made neutralizing agent again, remove the acid of amino acid hydrolyticsolution, control PH=5-6.Generate the microelement chelate that the amino acid humic acids is a ligand simultaneously.
2. waste protein according to claim 1 can be that the people sends out, hair, hoof, angle, the grouts of vegetables oil, silkworm chrysalis and the protein that reclaims of pig hair, feather, ox horn and all fowl poultry kinds from industrial effluent.
3. trace element according to claim 1 can be Fe, the inorganic salt of Cu, Zn, Mn, B, rare earth or oxide compound.
4. can be H according to the described hydrolysis of claim 1 with acid 2SO 4, HCL, H 3PO 4And any two or three mixed acid of three kinds of acid.
5. can be weathered coal, humic acids content 20~65% according to the described mud coal of claim 1.
6. neutralizing agent according to claim 1 can be humic acids, the xanthohumic acid liquid that the lixiviate mud coal extracts.
7. the method for hydrolysis amino acid according to claim 1, be to discard protein 10 to add the enamel reactor for 0 part, add 150~250 parts of concentration again and be 15~40% acid solution, add micro-inorganic salt or oxide compound after 1~2 hour 100~110 ℃ of following hydrolysis, continued hydrolysis, chelating 2~8 hours.
8. be to be that 1~10% alkali lye adds mud coal or weathered coal with concentration according to the described humic acids extraction process of claim 1, be heated to 80~105 ℃, lixiviate 1~4 hour generates alkaline humate.
CN 01103973 2001-02-19 2001-02-19 Compound trace element chelated fertilizer and preparation method thereof Pending CN1371888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01103973 CN1371888A (en) 2001-02-19 2001-02-19 Compound trace element chelated fertilizer and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01103973 CN1371888A (en) 2001-02-19 2001-02-19 Compound trace element chelated fertilizer and preparation method thereof

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CN1371888A true CN1371888A (en) 2002-10-02

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CN 01103973 Pending CN1371888A (en) 2001-02-19 2001-02-19 Compound trace element chelated fertilizer and preparation method thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206109A (en) * 2010-03-29 2011-10-05 史蒂芬·苏克 A preparation method of keratin fertilizer with colloidal humic acid additive and keratin fertilizer with humic acid additive
CN103232282A (en) * 2012-09-28 2013-08-07 石河子大学 Amino acid composite drip-irrigation fertilizer
CN103601600A (en) * 2013-06-19 2014-02-26 中农舜天生态肥业有限公司 Double-enzyme synergized sustain-released urea and preparation method thereof
CN103708892A (en) * 2013-12-27 2014-04-09 四川通丰科技有限公司 Production method of amino acid secondary element fertilizer
CN106083449A (en) * 2016-06-07 2016-11-09 潍坊学院 A kind of method that waste water produced with poultry feather processing feather powder prepares organic liquid compound fertilizer for water preparation
CN106431769A (en) * 2016-10-26 2017-02-22 秦皇岛五弦维爱科技开发有限公司 Fertilizer synergist containing amino acid and preparation method of fertilizer synergist
CN108929149A (en) * 2018-06-28 2018-12-04 广西浙缘农业科技有限公司 A method of Liquid organic fertilizer is prepared using bagasse paper-making pulping black liquor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206109A (en) * 2010-03-29 2011-10-05 史蒂芬·苏克 A preparation method of keratin fertilizer with colloidal humic acid additive and keratin fertilizer with humic acid additive
CN102206109B (en) * 2010-03-29 2015-01-28 史蒂芬·苏克 Preparation method of keratin fertilizer with colloidal humic acid additive and keratin fertilizer with humic acid additive
CN103232282A (en) * 2012-09-28 2013-08-07 石河子大学 Amino acid composite drip-irrigation fertilizer
CN103601600A (en) * 2013-06-19 2014-02-26 中农舜天生态肥业有限公司 Double-enzyme synergized sustain-released urea and preparation method thereof
CN103708892A (en) * 2013-12-27 2014-04-09 四川通丰科技有限公司 Production method of amino acid secondary element fertilizer
CN103708892B (en) * 2013-12-27 2015-12-09 四川通丰科技有限公司 A kind of method for producing amino acid middle element fertilizer
CN106083449A (en) * 2016-06-07 2016-11-09 潍坊学院 A kind of method that waste water produced with poultry feather processing feather powder prepares organic liquid compound fertilizer for water preparation
CN106431769A (en) * 2016-10-26 2017-02-22 秦皇岛五弦维爱科技开发有限公司 Fertilizer synergist containing amino acid and preparation method of fertilizer synergist
CN108929149A (en) * 2018-06-28 2018-12-04 广西浙缘农业科技有限公司 A method of Liquid organic fertilizer is prepared using bagasse paper-making pulping black liquor

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