CN103319254B - Recycling method of monopotassium phosphate mother liquor produced by double decomposition reaction - Google Patents
Recycling method of monopotassium phosphate mother liquor produced by double decomposition reaction Download PDFInfo
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- CN103319254B CN103319254B CN201310266321.1A CN201310266321A CN103319254B CN 103319254 B CN103319254 B CN 103319254B CN 201310266321 A CN201310266321 A CN 201310266321A CN 103319254 B CN103319254 B CN 103319254B
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Abstract
The invention discloses a recycling method of monopotassium phosphate mother liquor produced by double decomposition reaction. The mother liquor of monopotassium phosphate produced by the double decomposition reaction is recycled to prepare a biological compound fertilizer and be used as an ingredient of culture medium of edible fungi. Thus, the resources are saved; the waste is fully utilized.
Description
Technical field
The present invention relates generally to a kind of circulation utilization method, particularly relates to a kind of replacement(metathesis)reaction and produces potassium primary phosphate mother liquid recycling method.
Background technology
Adopt the replacement(metathesis)reaction of energy-conserving and environment-protective solid material to produce potassium primary phosphate, mainly carry out replacement(metathesis)reaction by solid material Repone K and monoammonium phosphate, reaction formula is as follows: NH
4h
2pO
4+ KCL=KH
2pO
4+ NH
4cL
In this production technique, raw material is solid, nontoxic, harmless, and byproduct can utilize again.Three-waste free discharge, produce simple, less input.Produce in replacement(metathesis)reaction in the mother liquor of potassium primary phosphate simultaneously, containing nitrogen, phosphorus, potassium composition, can recycle, reduce resource consumption.
Summary of the invention
The object of the invention is just to provide a kind of replacement(metathesis)reaction and produces potassium primary phosphate mother liquid recycling method.
The present invention is achieved by the following technical solutions:
A kind of replacement(metathesis)reaction produces potassium primary phosphate mother liquid recycling method, comprises the following steps:
(1) replacement(metathesis)reaction described in is NH
4h
2pO
4+ KCL=KH
2pO
4+ NH
4cL, after concentrated, cooling, crystallization, obtains the mother liquor containing nitrogen, phosphorus, potassium composition;
(2) in the mother liquor obtained, add the distiller's dried grain of mother liquor weight 3-5%, the oil soil slag of 3-4%, the pomace of 4-5%, the wood fragments bits of 1-2%, the manioc waste of 2-3%, the straw powder of 1-2%, the ferrous sulfate of 4-6%, the ammonium molybdate of 1-2%, the alum powder of 0.2-0.3%, the unslaked lime of 0.1-0.2%, the humic acids of 0.1-0.2%, mixing and stirring, air storage 10-12 hour under physical environment, granulation after drying, obtains composite bio-fertilizer;
(3) add in the mother liquor obtained mother liquor weight 6-8 rice straw powder doubly, 2-3 doubly rice bran, the brown sugar of 80-90%, the terra alba of 70-80%, the soybean protein powder of 60-80%, the montmorillonite powder of 10-20%, mixing and stirring, add the wetting properties derosal aqueous solution stirring that concentration is 50-60% again, make water content reach 60-65%, obtain culture medium of edible fungus.
Advantage of the present invention is:
The mother liquor in the present invention, replacement(metathesis)reaction being produced potassium primary phosphate carries out recycling and utilizes, and can make composite bio-fertilizer, also as the composition of culture medium of edible fungus, can save resource, waste material is fully utilized.
Embodiment
Embodiment 1
A kind of replacement(metathesis)reaction produces potassium primary phosphate mother liquid recycling method, comprises the following steps:
(1) replacement(metathesis)reaction described in is NH
4h
2pO
4+ KCL=KH
2pO
4+ NH
4cL, after concentrated, cooling, crystallization, obtains the mother liquor containing nitrogen, phosphorus, potassium composition;
(2) add in the mother liquor obtained the distiller's dried grain of mother liquor weight 3%, 4% oil soil slag, 5% pomace, 1% wood fragments bits, 2% manioc waste, the straw powder of 2%, ferrous sulfate, the ammonium molybdate of 2%, the alum powder of 0.3% of 6%, the unslaked lime of 0.2%, the humic acids of 0.2%, mixing and stirring, air storage 12 hours under physical environment, granulation after drying, obtains composite bio-fertilizer;
(3) add in the mother liquor obtained the rice straw powder of mother liquor weight 6 times, 2 times rice bran, 90% brown sugar, the terra alba of 80%, the soybean protein powder of 80%, the montmorillonite powder of 20%, mixing and stirring, add the wetting properties derosal aqueous solution stirring that concentration is 60% again, make water content reach 65%, obtain culture medium of edible fungus.
Claims (1)
1. replacement(metathesis)reaction produces a potassium primary phosphate mother liquid recycling method, it is characterized in that comprising the following steps:
(1) replacement(metathesis)reaction described in is NH
4h
2pO
4+ KCl=KH
2pO
4+ NH
4cl, after concentrated, cooling, crystallization, obtains the mother liquor containing nitrogen, phosphorus, potassium composition;
(2) in the mother liquor obtained, add the distiller's dried grain of mother liquor weight 3-5%, the oil soil slag of 3-4%, the pomace of 4-5%, the wood fragments bits of 1-2%, the manioc waste of 2-3%, the straw powder of 1-2%, the ferrous sulfate of 4-6%, the ammonium molybdate of 1-2%, the alum powder of 0.2-0.3%, the unslaked lime of 0.1-0.2%, the humic acids of 0.1-0.2%, mixing and stirring, air storage 10-12 hour under physical environment, granulation after drying, obtains composite bio-fertilizer;
(3) in the mother liquor obtained, add mother liquor weight 6-8 rice straw powder doubly, 2-3 rice bran, the brown sugar of 80-90%, the terra alba of 70-80%, the soybean protein powder of 60-80% doubly, the montmorillonite powder of 10-20%, mixing and stirring, add the wetting properties derosal aqueous solution stirring that concentration is 50-60% again, make water content reach 60-65%, obtain culture medium of edible fungus.
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CN103319254A CN103319254A (en) | 2013-09-25 |
CN103319254B true CN103319254B (en) | 2015-05-13 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105149016A (en) * | 2015-10-29 | 2015-12-16 | 黄尚勋 | Method for achieving replacement reaction through resin-free autologous bed ion exchange method |
CN108191526A (en) * | 2018-01-23 | 2018-06-22 | 安徽嘉联生物科技有限公司 | A kind of Pesticidal foliage fertilizer composition suitable for vegetables |
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CN101857214A (en) * | 2010-07-12 | 2010-10-13 | 四川川恒化工股份有限公司 | Method for producing potassium dihydrogen phosphate with double decomposition method |
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CN103159195A (en) * | 2013-04-12 | 2013-06-19 | 成都川科化工有限公司 | Method for preparing potassium dihydrogen phosphate from low-concentration wet-process phosphoric acid |
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2013
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CN1065059A (en) * | 1992-05-08 | 1992-10-07 | 刘凡 | Humic acid type compound spray fertilizers |
CN1205834A (en) * | 1998-08-14 | 1999-01-27 | 潘鑫 | Formulation and preparation process of champignon cultivating material |
US20110008450A1 (en) * | 2007-12-15 | 2011-01-13 | Barry Douglas Moore | Slow Release Compositions |
CN101857214A (en) * | 2010-07-12 | 2010-10-13 | 四川川恒化工股份有限公司 | Method for producing potassium dihydrogen phosphate with double decomposition method |
CN102617248A (en) * | 2012-03-28 | 2012-08-01 | 常熟市南洋化肥有限公司 | Soil fertilizer composition |
CN102862964A (en) * | 2012-09-08 | 2013-01-09 | 湖北三宁化工股份有限公司 | Device and method for producing monopotassium phosphate by using double decomposition |
CN103159195A (en) * | 2013-04-12 | 2013-06-19 | 成都川科化工有限公司 | Method for preparing potassium dihydrogen phosphate from low-concentration wet-process phosphoric acid |
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