CN101954105A - Method for removing odor of feces and urine of animals and poultry through oxidation - Google Patents
Method for removing odor of feces and urine of animals and poultry through oxidation Download PDFInfo
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- CN101954105A CN101954105A CN2010102928613A CN201010292861A CN101954105A CN 101954105 A CN101954105 A CN 101954105A CN 2010102928613 A CN2010102928613 A CN 2010102928613A CN 201010292861 A CN201010292861 A CN 201010292861A CN 101954105 A CN101954105 A CN 101954105A
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- ferrate
- urine
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- fecaluria
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The invention discloses a method for removing odor of feces and urine of animals and poultry through oxidation, which is characterized in that: solid ferrate fine powder of 300 to 500 meshes is spread on the feces and urine of animals and poultry (10 to 25mg is spread for each liter of feces and urine), and 3 to 6 percent hydrogen dioxide solution is sprayed (3mL is sprayed for each liter of feces and urine). By utilizing the strong oxidability of the ferrate and strong oxidability of hydroxyl radicals generated by hydrogen dioxide under the catalysis of a ferrate reduction product, the method completely radically remove various odor components through oxidation. Meanwhile, through the strong oxidability, cell walls and cell membranes of bacteria are damaged, microorganisms in the feces and urine of animals and poultry are killed, the odor is inhibited from being generated radically, and secondary pollution is free. The solid ferrate is adopted, so the instability of an aqueous solution agent of ferrate is avoided and high-efficiency and long-lasting deodorization effect is achieved. The deodorization method has the advantages of simpleness, no need of complicated facility, no addition of personnel and equipment, no investment cost and lower operating cost.
Description
Technical field
The present invention relates to a kind of animal dung urine deodorizing method and application thereof.
Background technology
The development of the fast development, particularly large-scale cultivation of producing along with livestock and poultry breeding industry, the generation of a large amount of animal wastes causes the poultry industry development and the contradiction of environmental pollution to show especially day by day.The topmost pollutant of livestock and poultry breeding industry are fecaluria and foul smell that anaerobic fermentation produced thereof.The main component of foul smell is volatile fatty acid, indole, phenolic compound, ammonia, volatile amine, volatile sulfur compounds etc.
Large-scale odor removal investment and operating cost are all higher, and for the higher point source of concentration of emission, effect is obvious.But to the uncontrollable discharge source of livestock and poultry farm and so on, collection and confinement of gases pipeline complexity, cost of investment increases greatly, and treatment effect is also undesirable.Existing market also has the deodorizer of employing deodorant, mainly contains chemical deodorizing agent, plant deodorant, microbial deodorant.Chemical deodorizing agent and plant deodorant are except that cost is higher, and the chemical deodorizing agent may produce secondary pollution, and the microbial deodorant cost is low than the above two, mainly are that flora is less, the cause that fermentation costs reduces, but flora I haven't seen you for ages reduces deodorizing effect.In addition, microbial deodorant can not long storage time, is difficult to long-distance transportation, and application is restricted.
Large-scale odor removal investment and operating cost are all higher, and for the higher point source of concentration of emission, effect is obvious.But to the uncontrollable discharge source of livestock and poultry farm and so on, collection and confinement of gases pipeline complexity, cost of investment increases greatly, and treatment effect is also undesirable.Existing market also has the deodorizer deodorant, mainly contains chemical deodorizing agent, plant deodorant, microbial deodorant.Though microbial deodorant can be kept permanent deodorizing effect, deodorizing effect is slow, and the deodorization rate is not high.And microbial deodorant can not long storage time, is difficult to long-distance transportation, and application is restricted.Chemical deodorizing agent and plant deodorant are except that cost is higher, and present chemical deodorizing agent may produce secondary pollution, chemical deodorizing agent such as H
2O
2, KMnO
4Can effectively remove H
2Foul gas such as S, methanthiol needs the long period and produces that toxic byproduct is arranged yet utilize such chemical oxide to remove stench.Therefore must seek the chemical deodorizing agent that oxidability is stronger and do not produce toxic byproduct.
Ferrate (FeO
4 2-) having a strong oxidizing property, its oxidability even be higher than ozone all has very strong oxidisability in whole pH scope, do not produced toxic byproduct, and its reduction product Fe (III) is a kind of good flocculating agent.Discover that potassium ferrate can be oxidized to nitrogen oxide, methanol and nitrogen respectively fast with azanol, N-methyl hydroxylamine, N-aniline, adjacent methyl hydroxylamine.The clearance of phenol in 20min can reach 98%.Potassium ferrate has good deactivation to escherichia coli, f2 virus, Q phagus beta, can also effectively kill staphylococcus aureus, bacillus subtilis black variety gemma and Candida albicans.Ferrate has caused the extensive concern of research worker as a kind of green novel water-treatment medicament.
But ferrate decomposes in water soon, and the Oxidation time is short, and some more dysoxidizable oxidation operations are incomplete.For this reason, with ferrate and hydrogen peroxide associating, the reduction product Fe of ferrate (III) catalyzing hydrogen peroxide produces the stronger hydroxyl radical free radical of oxidability, further oxidation odorous substance.
Summary of the invention
The method that the purpose of this invention is to provide a kind of foul smell of oxidation removal poultry fecaluria, it can overcome the above-mentioned shortcoming of prior art, and deodorizing method is simple, and cost is lower, and deodorizing effect is remarkable and permanent, non-secondary pollution.Livestock and poultry farm can needn't increase employee and equipment by oneself.
Animal dung urine deodorizing method of the present invention, (every liter of fecaluria spills 10～25mg), sprays 3%～6% hydrogenperoxide steam generator (every liter of fecaluria sprays 3mL) again and gets final product to it is characterized in that spilling on the poultry fecaluria earlier 300-500 purpose ferrate solid fines.
The advantage of animal dung urine deodorizing method provided by the invention is:
1) utilizes the strong oxidizing property of ferrate, rapidly oxidation removal part foul smell.Utilize hydrogen peroxide to produce the stronger hydroxyl radical free radical of oxidability again under the catalytic action of ferrate reduzate, complete oxidation is removed various foul smell compositions.Make deodorizing effect both rapid, efficient again permanent.
2) utilize the strong oxidizing property of ferrate, destroy cell wall, the cell membrane of antibacterial, and the enzyme in the cellularity, kill the microorganism in the poultry fecaluria, fundamentally suppress the generation of foul smell.
3) without any need for the deodorization facility, no cost of investment.Though the price of solid ferrate is higher, consumption is few.If adopt the aqueous solution of ferrate, though deodorizing effect is rapid, on rubbish, uses 10 minutes and take effect, impermanent, lose oxidation deodorant effect along with the decomposition of ferrate, will spray several times at least even tens every day.Therefore totle drilling cost is lower.
4) do not produce secondary pollution, but also help the subsequent treatment utilization of fecaluria.The reduction product Fe of ferrate (III) is a kind of good flocculating agent, and is nontoxic.Ferrate self decomposition also can produce oxygen.Peroxide breakdown also can produce oxygen, and the fecaluria oxygen content is increased, and produces foul smell thereby reduce by the fecaluria anaerobic fermentation.The water that hydrogen peroxide decomposes produces does not have influence to environment.
5) adopt solid ferrate, avoid the unstability of ferrate water preparation, and with hydrogen peroxide co-oxidation odorous substance.Deodorizing effect is permanent, after the sprinkling, can keep not having stink 4 days.
6) storing of ferrate solid is convenient.Livestock and poultry farm can spray and use voluntarily with using with joining, and is simple and convenient.
The specific embodiment
Following examples adopt the various foul smell compositions of gas chromatogram (flame photometric detector) assay determination, the gas analysis condition is as follows: vaporizer temperature and detector temperature are 220 ℃, 70 ℃, 220 ℃, column temperature adopts temperature programming, and at first 35 ℃ kept 1 minute down; Heated up 7.67 minutes with 15 ℃/minute speed again, kept 2 minutes down at 150 ℃; Heated up 2.4 minutes with 25 ℃/minute speed again, until 210 ℃; Kept 5 minutes down at 210 ℃ at last.Sampling volume is 1 μ L, is carrier gas (the ND indicated concentration is very low can not monitor, and concentration has been lower than the detectability 0.5mg/L of instrument in other words) with the helium.Odor concentration adopts organoleptic method.
Embodiment 1: ferrate is to the influence research of deodorizing effect
1) with the fine ground one-tenth 300 purpose fine powders of potassium ferrate, standby.
2) get hydrogen peroxide concentrated solution (30%), it is 5% weak solution 350mL that water is mixed with concentration, standby.
3) prepare 24 plastics bucket with covers (high 22cm, bottom internal diameter 18cm, top internal diameter 30cm), swine excrement and urine mixing and stirring are starchiness, in every bucket, put 5L.
4) on the fecaluria of 21 buckets, spill the potassium ferrate fine powder of stating different quality earlier, spray the 15mL hydrogenperoxide steam generator again, make parallel assay for 3 one group.Only spray distilled water 15mL on the fecaluria of 3 buckets in addition, in contrast.Immediately lid is built.Extract 10mL fecaluria mixed liquor after 2 hours, analyze the concentration of wherein several foul smell compositions, and differentiate the stench degree with sense organ.Treatment effect is shown in Table 1.
The deodorizing effect of the potassium ferrate of table 1 different amounts on pig manure urine
As seen from Table 1, along with the raising of potassium ferrate consumption, the concentration of various foul smell compositions all descends thereupon.The potassium ferrate consumption surpasses after the 125mg, the fall of the concentration of various foul smell compositions is little, consider deodorizing effect and cost two aspects, so the potassium ferrate consumption is comparatively suitable with 50～125mg, the dosage of potassium ferrate is advisable with every liter of fecaluria 10～25mg.
Embodiment 2: hydrogen peroxide dosage is to the influence research of deodorizing effect
1) with the fine ground one-tenth 500 purpose fine powders of potassium ferrate, standby.
2) get different volumes hydrogen peroxide concentrated solution (30%), water is mixed with the solution 50mL of 1%～10% concentration respectively, and is standby.
3) prepare 24 plastics bucket with covers (high 22cm, bottom internal diameter 18cm, top internal diameter 30cm), swine excrement and urine mixing and stirring are starchiness, in every bucket, put 5L.
4) on the fecaluria of 21 buckets, spill 75mg potassium ferrate fine powder earlier, spray the hydrogenperoxide steam generator of 15mL variable concentrations again, make parallel assay for 3 one group.Only spray distilled water 15mL on the fecaluria of 3 buckets in addition, in contrast.Immediately lid is built.Extract 10mL fecaluria mixed liquor after 2 hours, analyze the concentration of wherein several foul smell compositions, and differentiate the stench degree, average with sense organ.Treatment effect is shown in Table 2.
The deodorizing effect of the hydrogen peroxide of table 2 different amounts on pig manure urine
As seen from Table 2, along with the raising of hydrogenperoxide steam generator concentration, the concentration of various foul smell compositions all descends thereupon.Peroxide hydrogen solution concentration surpasses after 3%, the fall of the concentration of various foul smell compositions is little, consider deodorizing effect and cost two aspects, so the peroxide hydrogen solution is comparatively suitable with 3%～6% concentration, the dosage of hydrogen peroxide is advisable with every liter of fecaluria 0.15～0.3g.
Embodiment 3: the long-lasting research of deodorizing effect
1) with the fine ground one-tenth 500 purpose fine powders of potassium ferrate, standby.
2) get certain volume hydrogen peroxide concentrated solution (30%), water is mixed with the solution 50mL of 5% concentration, and is standby.
3) prepare 3 plastics bucket with covers (high 22cm, bottom internal diameter 18cm, top internal diameter 30cm), swine excrement and urine mixing and stirring are starchiness, in every bucket, put 5L.
3) on fecaluria, spill 75mg potassium ferrate fine powder earlier, spray the 15mL Hydrogen Peroxide Dilute Solution again, immediately lid is built after the sprinkling.Sprinkling is preceding, sprinkling is extracted 10mL fecaluria mixed liquor respectively after 12 hours, 24 hours, 48 hours, 72 hours, 96 hours, 120 hours, analyzes the concentration of wherein several foul smell compositions.And differentiate the stench degree with sense organ.Treatment effect is shown in Table 3.
The deodorizing effect of different testing times of table 3 to pig manure urine compares
As seen from Table 3, behind sprinkling ferrate and the hydrogen peroxide, the foul smell composition descends significantly, and each composition gos up to some extent after 120 hours, and this shows that the deodorization time can reach 96 hours (about 4 days).
Claims (6)
1. the method for an oxidation removal poultry fecaluria foul smell, (every liter of fecaluria spills 10～25mg), sprays 3%～6% hydrogenperoxide steam generator (every liter of fecaluria sprays 3mL) again and gets final product to it is characterized in that spilling on the poultry fecaluria earlier 300-500 purpose ferrate solid fines.
2. the method for a kind of oxidation removal poultry fecaluria foul smell according to claim 1 is characterized in that the ferrate solid is a 300-500 purpose fine powder.
3. the method for a kind of oxidation removal poultry fecaluria foul smell according to claim 1, the consumption that it is characterized in that the ferrate solid fines are that every liter of fecaluria spills 10～25mg.
4. the method for a kind of oxidation removal poultry fecaluria foul smell according to claim 1 is characterized in that the dosage of hydrogen peroxide is advisable with every liter of fecaluria 0.15～0.3g.
5. the method for a kind of oxidation removal poultry fecaluria foul smell according to claim 1 is characterized in that ferrate is potassium ferrate or Na2Fe04.
6. the application of a kind of oxidation removal poultry fecaluria foul smell according to claim 1 is characterized in that the application on feces of livestock and poultry, urine, slurry of feces and urine, compost deodorizing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102928613A CN101954105A (en) | 2010-09-16 | 2010-09-16 | Method for removing odor of feces and urine of animals and poultry through oxidation |
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| CN2010102928613A CN101954105A (en) | 2010-09-16 | 2010-09-16 | Method for removing odor of feces and urine of animals and poultry through oxidation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338162A (en) * | 2014-08-28 | 2015-02-11 | 重庆安碧捷高新技术产业投资有限公司 | SRR deodorant for treating garbage stench and deodorization method thereof |
| CN104892162A (en) * | 2015-05-30 | 2015-09-09 | 韦秀学 | Method for preparing fertilizer from mixed animal manure |
| CN105498494A (en) * | 2015-12-29 | 2016-04-20 | 辛集市远翔环保能源科技有限公司 | Disinfection deodorant for livestock breeding |
| CN105819589A (en) * | 2016-04-05 | 2016-08-03 | 北京化工大学 | Method for removing biogas slurry odor |
| CN107879573A (en) * | 2017-11-26 | 2018-04-06 | 山西益鑫泰生物科技有限公司 | A kind of feces of livestock and poultry deodorant |
| CN108585962A (en) * | 2018-06-12 | 2018-09-28 | 齐鲁工业大学 | The method, apparatus and system of foul smell during removal feces of livestock and poultry aerobic fermentation |
| CN109626526A (en) * | 2018-12-25 | 2019-04-16 | 同济大学 | A method of control corrosive pipeline and odor |
| CN109734155A (en) * | 2019-01-24 | 2019-05-10 | 上海锦泰新能源环保有限公司 | A kind of fecal sewage treatment method |
| CN110642485A (en) * | 2019-10-30 | 2020-01-03 | 冯强 | Method for treating animal excrement |
| CN111991597A (en) * | 2020-08-05 | 2020-11-27 | 河南蓝图环保科技有限公司 | Liquid deodorant for toilet and preparation method thereof |
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| CN101088926A (en) * | 2006-06-12 | 2007-12-19 | 深圳职业技术学院 | Combined water-treating farrate-fenton reagent process |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338162A (en) * | 2014-08-28 | 2015-02-11 | 重庆安碧捷高新技术产业投资有限公司 | SRR deodorant for treating garbage stench and deodorization method thereof |
| CN104338162B (en) * | 2014-08-28 | 2017-02-15 | 重庆安碧捷高新技术产业集团有限公司 | Deodorant for treating garbage stench and deodorization method thereof |
| CN104892162A (en) * | 2015-05-30 | 2015-09-09 | 韦秀学 | Method for preparing fertilizer from mixed animal manure |
| CN104892162B (en) * | 2015-05-30 | 2017-08-08 | 天津诚一安优科技有限公司 | A kind of method that fertilizer is prepared by mixing animal wastes |
| CN105498494A (en) * | 2015-12-29 | 2016-04-20 | 辛集市远翔环保能源科技有限公司 | Disinfection deodorant for livestock breeding |
| CN105819589A (en) * | 2016-04-05 | 2016-08-03 | 北京化工大学 | Method for removing biogas slurry odor |
| CN107879573A (en) * | 2017-11-26 | 2018-04-06 | 山西益鑫泰生物科技有限公司 | A kind of feces of livestock and poultry deodorant |
| CN108585962A (en) * | 2018-06-12 | 2018-09-28 | 齐鲁工业大学 | The method, apparatus and system of foul smell during removal feces of livestock and poultry aerobic fermentation |
| CN109626526A (en) * | 2018-12-25 | 2019-04-16 | 同济大学 | A method of control corrosive pipeline and odor |
| CN109626526B (en) * | 2018-12-25 | 2022-02-08 | 同济大学 | Method for controlling corrosion and odor of pipeline |
| CN109734155A (en) * | 2019-01-24 | 2019-05-10 | 上海锦泰新能源环保有限公司 | A kind of fecal sewage treatment method |
| CN110642485A (en) * | 2019-10-30 | 2020-01-03 | 冯强 | Method for treating animal excrement |
| CN111991597A (en) * | 2020-08-05 | 2020-11-27 | 河南蓝图环保科技有限公司 | Liquid deodorant for toilet and preparation method thereof |
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Application publication date: 20110126 |