CN102775015A - Method for treating high-concentration ammonia nitrogen in urine - Google Patents
Method for treating high-concentration ammonia nitrogen in urine Download PDFInfo
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- CN102775015A CN102775015A CN2012102534292A CN201210253429A CN102775015A CN 102775015 A CN102775015 A CN 102775015A CN 2012102534292 A CN2012102534292 A CN 2012102534292A CN 201210253429 A CN201210253429 A CN 201210253429A CN 102775015 A CN102775015 A CN 102775015A
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- urine
- ammonia nitrogen
- concentration ammonia
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- kudzu
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Abstract
The invention discloses a method for treating high-concentration ammonia nitrogen in urine. The method includes: firstly, taking freshly voided urine, feeding the freshly voided urine into excrement, hermetically sealing up for storage for 15-30 days and waiting for organic nitrogen in the urine to be completely hydrolyzed; secondly, adding 20-40ppm of puerarin and regulating the pH (potential of hydrogen) value to 6.0-6.5; thirdly, adding magnetic nano nickel oxide colloid in the mass ratio of 5-10% and stirring for 10-15 min at the speed of 300r/min; and finally, performing aeration treatment with a microporus nano aerator and obtaining a suspended matter layer on the upper portion of the urine prior to cleaning up. The method is capable of effectively removing high-concentration ammonia nitrogen in urine wastewater, so that sewage can be safely discharged, secondary pollution is saved, and removal rate can be higher than 99%.
Description
Technical field
The present invention relates to a kind of processing urine middle and high concentration ammonia nitrogen method, belong to the environmental protection field.
Background technology
Ammonia nitrogen in the waste water is the important factor that causes lake and sealing offshore Haicheng City eutrophication phenomenon; And most of the nitrogen exists with the form of ammonia nitrogen in the urine; Ammonia nitrogen in the human urine has accounted for 80% of influent ammonia nitrogen load in the wastewater treatment, though the composition of urine can satisfy the demand of plant-growth to nutritive substance, works as a large amount of ammonia nitrogen waste waters and enters water body and will cause body eutrophication; Cause water body black smelly; Even to crowd and biological generation toxic action, so the ammonia nitrogen of effectively handling in the urine is to be significant to environment protection.
At present; The method of handling for urine has a lot, and like struvite crystallization technique (being called MAP again), the struvite technology can directly be converted into the ammonia nitrogen in the waste water available mineral manure and become a kind of more promising treatment process; People such as Ban with this process application in from separated urine, reclaiming ammonia nitrogen; And obtained the effect of anticipation, but they have adopted the freshly voided urine as research object on the one hand, and in the urine urea short period of time when condition is fit to can separate and cause urine pH, the considerable change of ammonia nitrogen isoconcentration; On the other hand; For avoiding the adjusting of pH in the reaction process, they adopt the solid MgO that adds inconvenience as precipitation agent, have therefore influenced the efficient and the application of MAP technology.In addition, can also use the air supporting method to handle the ammonia nitrogen in the urine, Shi Shuncun, ten thousand people such as august wisdom adopt chemical by-products such as magnesia and by-product phosphoric acid to carry out chemical air supporting method and handle; Ammonia nitrogen removal is effective; Technical feasibility, environmental effect is obvious, but can only accomplish the ammonia nitrogen in high density pretreating effect; High ammonia nitrogen in the urine still fails to remove, and is easy to generate environmental pollution.
Fresh urine is weakly acidic, and pH is about 6-7, and staple has urea, ammonia, phosphoric acid salt, organic substance, bacterium etc.; The biodegradable of high density urine is grown bacterium rapidly; The result makes urine in collection and process of storing, and great variation takes place chemical ingredients, because the urine hydrolysis generates ammonia and carbonic acid gas; Make pH rise to 9 rapidly, NH in the urine behind the hydrolysis-stable
4 +-N concentration can reach 8000mg/L.Therefore, adopting the gentle float glass process of the MAP precipitator method is target to handle ammonia nitrogen, must not reach the control of pollution.For the urine waste water that contains ammonia nitrogen in high density, also lack a kind of removal efficient height, free of contamination high ammonia nitrogen removal method at present.
Summary of the invention
The present invention is directed to the ammonia nitrogen in high density removal of handling in the urine waste water and thoroughly and easily do not cause secondary pollution problem; A kind of processing urine middle and high concentration ammonia nitrogen method is provided; This method can effectively be deviate from the ammonia nitrogen of urine waste water middle and high concentration, makes the sewage can safety dumping, non-secondary pollution.
Technological method of the present invention is:
A kind of processing urine middle and high concentration ammonia nitrogen method, its method live in:
(1) get freshly voided urine, introduce ight soil, airtight sealing up for safekeeping 15～30 days treats that the organonitrogen complete hydrolysis in the urine is an ammonia nitrogen;
(2) kudzu of interpolation 20～40ppm is plain, and regulating pH is 6.0～6.5;
(3) adding mass ratio again is 5～10% magnetic Nano nickel oxide colloid, stirs 10～15min with the speed of 300r/min;
(4) carry out aeration with the porous nano aerator and handle, urine top obtains one deck suspended substance, removes to get final product.
Described magnetic Nano nickel oxide colloid is: basic nickel carbonate separates behind concentrated hydrochloric acid, saturated strong sodium oxide alcohol solution dipping; With adding the oxygen the third two fine polar of carrying out in the throw out that obtains; In being immersed in diethyl-aniline, methyl-prop aniline equal solvent, stir; Post precipitation is used washed with de-ionized water, and oven dry gets final product.
The bubble aperture that the sudden and violent gas device of said porous nano produces is 0.1～0.5 μ m.
Beneficial effect of the present invention is:
(1) magnetic Nano nickel oxide colloidal is introduced can strengthen its absorption property and increase than table is bent and is amassed;
(2) plain through adding kudzu, strengthened surperficial hydrogen bond action power, strengthened with waste water in the binding ability of ammonia or ammonia radical ion.
Embodiment
Get freshly voided urine earlier, airtight sealing up for safekeeping 15～30 days treats that the organonitrogen complete hydrolysis in the urine is an ammonia nitrogen; Add the plain 20～40ppm of kudzu smash to pieces behind the kudzu then, regulating pH is 6.0～6.5, adds mass ratio again and be 5～10% magnetic Nano nickel oxide colloid; Speed with 300r/min stirs 10～15min; Carry out aeration with the porous nano aerator at last and handle, urine top obtains one deck suspended substance, removes to get final product.
Described magnetic Nano nickel oxide colloid: basic nickel carbonate separates behind concentrated hydrochloric acid, saturated strong sodium oxide alcohol solution dipping; With adding the oxygen the third two fine polar of carrying out in the throw out that obtains; In being immersed in diethyl-aniline, methyl-prop aniline equal solvent, stir; Post precipitation is used washed with de-ionized water, and oven dry gets final product.
The bubble aperture that the sudden and violent gas device of said porous nano produces is 0.1～0.5 μ m.
Below through instance the present invention is elaborated:
Instance 1
Get freshly voided urine earlier, introduce ight soil, airtight sealing up for safekeeping 15 days; Etc. the organonitrogen complete hydrolysis in the urine is ammonia nitrogen, adds then and smashs the plain 20ppm of the kudzu of extracting behind the kudzu to pieces, and regulating pH is 6.0; Add mass ratio again and be 5% magnetic Nano nickel oxide colloid, stir 10min, carry out the aeration processing with the porous nano aerator at last with the speed of 300r/min; Urine top obtains one deck suspended substance, removes to get final product.
With aforesaid method urine is detected, record ammonia nitrogen concentration and be reduced to 0.4mg/L from 9000mg/L, emission standard reaches country-level standard, and ammonia nitrogen removal frank is more than 99%.
Instance 2
Get freshly voided urine earlier, introduce ight soil, airtight sealing up for safekeeping 20 days; Treat that the organonitrogen complete hydrolysis in the urine is an ammonia nitrogen, add then and smash the plain 30ppm of the kudzu of extracting behind the kudzu to pieces that regulating pH is 6.2; Add mass ratio again and be 8% magnetic Nano nickel oxide colloid, stir 12min, carry out the aeration processing with the porous nano aerator at last with the speed of 300r/min; Urine top obtains one deck suspended substance, removes to get final product.
With aforesaid method urine is detected, record ammonia nitrogen concentration and be reduced to 0.3mg/L from 7000mg/L, emission standard reaches country-level standard, and ammonia nitrogen removal frank is more than 99%.
Instance 3
Get freshly voided urine earlier, introduce ight soil, airtight sealing up for safekeeping 30 days; Treat that the organonitrogen complete hydrolysis in the urine is an ammonia nitrogen, add then and smash the plain 40ppm of the kudzu of extracting behind the kudzu to pieces that regulating pH is 6.5; Add mass ratio again and be 10% magnetic Nano nickel oxide colloid, stir 15min, carry out the aeration processing with the porous nano aerator at last with the speed of 300r/min; Urine top obtains one deck suspended substance, removes to get final product.
With aforesaid method urine is detected, record ammonia nitrogen concentration and be reduced to 0.2mg/L from 6000mg/L, emission standard reaches country-level standard, and ammonia nitrogen removal frank is more than 99.9%.
Claims (3)
1. handle urine middle and high concentration ammonia nitrogen method for one kind, it is characterized in that:
(1) get freshly voided urine, introduce ight soil, airtight sealing up for safekeeping 15～30 days treats that the organonitrogen complete hydrolysis in the urine is an ammonia nitrogen;
(2) the plain 20～40ppm of the kudzu of extracting behind the kudzu is smashed in interpolation to pieces, and regulating pH is 6.0～6.5;
(3) adding mass ratio again is 5～10% magnetic Nano nickel oxide colloid, stirs 10～15min with the speed of 300r/min;
(4) carry out aeration with the porous nano aerator and handle, urine top obtains one deck suspended substance, removes to get final product.
2. according to the said a kind of processing urine middle and high concentration ammonia nitrogen method of claim 1, it is characterized in that: described magnetic Nano nickel oxide colloid does; Basic nickel carbonate separates behind concentrated hydrochloric acid, saturated strong sodium oxide alcohol solution dipping; With adding the oxygen the third two fine polar of carrying out in the throw out that obtains; In being immersed in diethyl-aniline, methyl-prop aniline equal solvent, stir, post precipitation is used washed with de-ionized water, and oven dry gets final product.
3. according to the said a kind of processing urine middle and high concentration ammonia nitrogen method of claim 1, it is characterized in that: the bubble aperture that the sudden and violent gas device of said porous nano produces is 0.1～0.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102534292A CN102775015A (en) | 2012-07-18 | 2012-07-18 | Method for treating high-concentration ammonia nitrogen in urine |
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| CN2012102534292A CN102775015A (en) | 2012-07-18 | 2012-07-18 | Method for treating high-concentration ammonia nitrogen in urine |
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| CN2012102534292A Pending CN102775015A (en) | 2012-07-18 | 2012-07-18 | Method for treating high-concentration ammonia nitrogen in urine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570111A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in circuit board etching wastewater in soxhlet extraction way by using surfactant |
| CN103570160A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in urine by using surfactant |
| CN104743665A (en) * | 2014-12-17 | 2015-07-01 | 中国航天员科研训练中心 | Experimental device for microbiological treatment of urine wastewater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020045329A (en) * | 2000-12-08 | 2002-06-19 | 김윤규, 정주영, 심옥진, 정몽헌 | Apparatus for filtering water in a membraned-combining type |
| US20050016920A1 (en) * | 2003-07-21 | 2005-01-27 | Ch2M Hill, Inc. | Chemically enhanced primary sludge fermentation method |
| CN1765841A (en) * | 2004-10-26 | 2006-05-03 | 黄海智 | Method for innocent treatment of dung or urine of stock and fowl and utilization |
| CN101386430A (en) * | 2008-10-17 | 2009-03-18 | 中国科学院生态环境研究中心 | Method for high-efficiently and conveniently treating non-point source pollution using ferric oxide nano material |
| CN102167434A (en) * | 2011-02-15 | 2011-08-31 | 常州大学 | Method for recovering nitrogen and phosphorous from urine |
-
2012
- 2012-07-18 CN CN2012102534292A patent/CN102775015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020045329A (en) * | 2000-12-08 | 2002-06-19 | 김윤규, 정주영, 심옥진, 정몽헌 | Apparatus for filtering water in a membraned-combining type |
| US20050016920A1 (en) * | 2003-07-21 | 2005-01-27 | Ch2M Hill, Inc. | Chemically enhanced primary sludge fermentation method |
| CN1765841A (en) * | 2004-10-26 | 2006-05-03 | 黄海智 | Method for innocent treatment of dung or urine of stock and fowl and utilization |
| CN101386430A (en) * | 2008-10-17 | 2009-03-18 | 中国科学院生态环境研究中心 | Method for high-efficiently and conveniently treating non-point source pollution using ferric oxide nano material |
| CN102167434A (en) * | 2011-02-15 | 2011-08-31 | 常州大学 | Method for recovering nitrogen and phosphorous from urine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570111A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in circuit board etching wastewater in soxhlet extraction way by using surfactant |
| CN103570160A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in urine by using surfactant |
| CN104743665A (en) * | 2014-12-17 | 2015-07-01 | 中国航天员科研训练中心 | Experimental device for microbiological treatment of urine wastewater |
| CN104743665B (en) * | 2014-12-17 | 2017-02-22 | 中国航天员科研训练中心 | Experimental device for microbiological treatment of urine wastewater |
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Application publication date: 20121114 |