CN1434002A - Deodorant, modified deodorant and deodorizing method for refuse compost - Google Patents
Deodorant, modified deodorant and deodorizing method for refuse compost Download PDFInfo
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- CN1434002A CN1434002A CN03118138A CN03118138A CN1434002A CN 1434002 A CN1434002 A CN 1434002A CN 03118138 A CN03118138 A CN 03118138A CN 03118138 A CN03118138 A CN 03118138A CN 1434002 A CN1434002 A CN 1434002A
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- deodorizing
- reodorant
- modifying agent
- compost
- deodorant
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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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a deodorization treatment method in the course of producing organic compost by organic solid wastes. The deodorant of said invention contains chitosan, acetic acid and perfume, and the described deodorization improving agent contains rhamnolipid and sucrose ester, and the method of said deodorization treatment includes the following steps: in material-collecting pit before garbage separation system adding diluted deodorant, then in the mixing stirring equipment after garbage separation adding diluted deodorizatino improving agent. Said invention can obviously remove the foul smell in the course of producing garbage compost and compost product, and can reduce breeding of mosquito and fly, can improve environment condition and can raise quality and value of compost product.
Description
Technical field: the present invention relates to organic solid waste and handle, particularly organic solid waste is produced the deodorizing processing in the organic compost process.
Background technology: along with The development in society and economy, quickening of urbanization process, the increase of urban population, the raising of living standards of the people, the generation of domestic waste is also constantly increasing.Since 1979, on average with the speed increment in every year nearly 10%, the rate of increase of a few cities is up to 15%～20% for the Chinese city domestic refuse.So huge quantity of refuse is discarded in environment, has both surpassed the naturally ability of dissolving, severe contamination water body, atmosphere, soil, and the harm ecotope and the people's health influences urban development, has caused the significant wastage of resource again.Therefore, how to make that domestic waste is innoxious, minimizing, resource utilization, turning waste into wealth becomes the big and medium-sized cities problem demanding prompt solution.
It is one of most widely used in the world three kinds of waste disposal methods at present that the composting process of domestic refuse is handled.And, adopt composting technology processing organic solid waste and mud just becoming more and more extensive because it has, resource utilization degree advantages of higher little to environmental hazard.
Composting process is to rely on microorganisms such as the extensive bacterium that exists of occurring in nature, actinomycetes, fungi, promotes controllably that artificially the organism that can be degraded by microorganisms in the rubbish is converted into the Biochemical processes of stable soil ulmin.Its product-compost can become the soil improvement agent that imposes on farmland, orchard, nursery, improves the soil property in poor ridge soil, provides growth required nutritive element to crop.It both can solve the problem of outlet of municipal wastes, can reach the purpose of resource utilization again, had good economic benefit and social benefit.Therefore, compost treatment is regarded as solving the approach of a significant of domestic waste, sewage sludge treatment.But in the actual motion of domestic waste and sludge composting factory, a subject matter of existence be in the composting process and composting production in the generation of foul odour, and in composting process, grow a large amount of mosquitos and flies.So both severe contamination the environment of plant area and peripheral region, the physical and mental health of harm garbage compost staff of plant area and surrounding resident has also reduced the commodity value of composting production widely, directly has influence on the survival and development of composting production on fertilizer market.
Foul gas can be divided into five classes by chemical constitution: 1. sulfocompound, as hydrogen sulfide, sulfurous gas, mercaptan, thioether; 2. nitrogenous compound is as amine, acid amides, indoles; 3. halogen and derivative are as chlorine, halohydrocarbon; 4. hydro carbons: alkane, alkene, alkynes, aromatic hydrocarbon; 5. oxygen-containing organic compound is as alcohol, phenol, aldehyde, ketone, organic acid etc.The method of handling foul smell has technology such as soda acid absorption, chemistry are covered, chemisorption, catalyticcombustion, microbial deodorization usually.Disclose a kind of air deodorization agent and deodorizing method as Chinese 90101673.X patent application specification, this reodorant contains citric acid, lactic acid, D-tartrate; No. 00106382.0 patent application specification of China discloses a kind of quick-acting biologically deodouring agent, this quick-acting biologically deodouring agent will make up by microorganism species such as isolating thermophilic microorganism, heat-resistant bacillus, pseudomonas, Xanthomonas campestris from soil, compost, can eliminate the foul gas in organic ight soil.Though these reodorant have certain effect, but owing to only used single deodorization technology, usually can not reduce the generation of foul gas new in the compost treatment process or can not remove stench foul smell in the different domestic refuse of all kinds of compositions quickly and efficiently, can not quicken the compost maturity process and shorten the production cycle.
Summary of the invention: the method that the object of the present invention is to provide a kind of reodorant, deodorizing modifying agent and compost deodorizing to handle, active adsorption, cover, remove original various foul gass in the rubbish, and reduce the new foul gas of generation in the garbage compost process significantly.
The technical scheme that realizes the foregoing invention purpose is: reodorant contains chitosan, acetate and spices, the component of this reodorant and the weight proportion of each component are as follows: chitosan 0.2-1.2%, acetate 1-6%, spices 0.01-0.03%, water 93-98%; The deodorizing modifying agent contains rhamnolipid and sucrose fat, and the weight proportion of each component of deodorizing modifying agent is as follows: rhamnolipid 0.2-1.2%, sucrose fat 0.2-2.0%, water 97-99%; The method that the garbage compost deodorizing is handled is in cheating gathering materials before the refuse classification system, to press 1～3% of rubbish weight and add diluted reodorant; In the mixed stirring device behind refuse classification, press 1～6% of rubbish weight then, add diluted deodorizing modifying agent.
Description of drawings:
The general flow chart that Fig. 1 handles for the garbage compost deodorizing.
Be described in further detail below the present invention:
The multiple deodorization technologies such as combinatorial chemistry absorption of the present invention, chemistry are covered, chemical modifying; Use novel absorption material, Quick adsorption, cover, remove original various foul gas in the rubbish; Use surfactant, in the improvement composting process The microenvironment of growth of microorganism, reduce significantly the generation of foul gas new in the composting process. 1, deodorant
The reodorant prescription is: chitosan (0.2-1.2%); Acetate (1-6%); Spices (0.01-0.03%); Water (93-98%).
Reodorant major ingredient--chitosan (Chitosan; Deacetylated chitin; Flonac N; chitosan; chitosan; soluble chitin; chitosan; chitosan; chitosan; soluble chitin; the viscosity chitin) is a kind of crustacean; arthropods; the water-soluble products that generates behind the chitin deacetylate of mushroom etc.; can not damage original regeneration microorganism in the rubbish; no residual toxicity; not the preferential degradation material of microorganism in the compost system, but finally can be degraded by microorganisms as organism.At occurring in nature, the chitin resource is very abundant, is to be only second to cellulosic natural high moleculer eompound.Chitosan, chemistry (1,4)-2-amino by name-2-deoxidation-callose is the most important derivative of chitin.Molecular weight tens0000 is to hundreds of thousands of.Different because of method for making, processing condition and requirement, the deacetylation degree can be by 60% to 100%, and the employed chitosan of this reodorant can be bought the commercially available prod, also can make by oneself.The preparation method is chitin is heated to 110 ℃ of deacetylation 60%-85% that reacted 1-1.5 hour and obtained in 40～45%NaOH solution a product.It can adsorb malodor molecules such as the ammonia in the rubbish, amine, hydrogen sulfide, isovaleric acid, lipid acid, thiomethyl alcohol, sulfuration methyl alcohol, wrap up, form polymkeric substance, prevent the release of malodor molecule, and in composting process subsequently by microbiological degradation, the effect that mask malodors, expulsion mosquitos and flies are arranged of the spices in the reodorant improves operator's Working environment simultaneously.2, deodorizing modifying agent
The prescription of deodorizing modifying agent: rhamnolipid (0.2-1.2%); Sucrose fat (0.2-2.0%); Water (97-99%).
In the garbage compost process and the foul odour in the composting production mainly be the meta-bolites that putrefactive bacterium raised growth breeding is under anaerobic produced.Therefore improve the processing condition of garbage compost process, promote the growth of aerobic microbiological, press down the growth of putrefactive bacterium, can effectively reduce the generation of foul gas.Rhamnolipid in the deodorizing modifying agent of the present invention is a kind of bio-surfactant, can buy the commercially available prod, also can obtain by cultivating specified strain.Sucrose fat also is a kind of use tensio-active agent widely.They all can improve the microenvironment of microorganism growth, make water form stable liquid film on the granulated garbage surface, the reaction for microorganism of maximum possible provides surperficial environment, increase organism, the solubleness of oxygen in moisture film, quicken microorganism, improve the bioavailability of hardly degraded organic substance organic decomposition, promote the growth of aerobic microbiological, press down the growth of putrefactive bacterium, thereby effectively reduce the generation of foul gas, can significantly reduce growing of mosquitos and flies simultaneously.3, the method for deodorizing processing:
Reodorant is in 1: the ratio water distribution dilution of (50～100), that is: with 1 liter of reodorant water distribution (50～100) litre, make flushing liquor, add in the hole that gathers materials before the refuse classification system, thereby in the process that the refuse classification subsequently stirs reodorant can with the rubbish thorough mixing, make the foul odour in the rubbish promptly obtain absorption, neutralize and cover, and reduce mosquitos and flies in the starting stage of compost production run.The add-on of deodorizing flushing liquor is generally the 1-3% of rubbish weight according to the composition and the stench degree of rubbish.
The deodorizing modifying agent is in 1: the ratio water distribution dilution of (50～100), that is: with 1 liter of deodorizing modifying agent water distribution (50～100) litre, make flushing liquor, add in the mixed stirring device behind refuse classification, make the deodorizing modifying agent in mixed stirring device with the rubbish thorough mixing, thereby improve the microenvironment of microorganism growth in the compost fermentation, promote the growth of aerobic microbiological, press down the growth of putrefactive bacterium, effectively reduce the generation of foul gas, and improve the degradation efficiency of aerobic microbiological to solid organic waste substances, significantly reduce growing of mosquitos and flies.The add-on of deodorizing modifying agent flushing liquor is generally the 1-6% of rubbish weight according to the water ratio of rubbish and organic content and decide.
As needing to replenish reodorant or deodorizing modifying agent, then can regulate reodorant or the deodorizing modifying agent that adds above-mentioned concentration in the sprinkling system in the garbage compost operational process at refuse moisture.Along with replenishing of moisture, reodorant or deodorizing modifying agent just can enter in the junk-heap body, thus absorption with in and foul odour in the composting process and the microenvironment of improving the compost microbe growth.
The reodorant of the application of the invention can adsorb, eliminate, cover rubbish Central Plains foul smelling gas fast, and use the microenvironment that deodorizing modifying agent of the present invention can improve microorganism growth, quicken microorganism to organic decomposition, promote the growth of aerobic microbiological, press down the growth of putrefactive bacterium, in the garbage compost process, produce new foul gas thereby effectively reduce.This method can obviously remove in the garbage compost process and composting production in foul odour, reduce growing of mosquitos and flies, improve the envrionment conditions of compost plant area and peripheral region, improve the commodity value of composting production.
Embodiment:
The rubbish moiety (%) of present embodiment is as shown in the table:
Organism inorganics kitchen surplus waste paper fibre bamboo radwood rubber glass-ceramic metal coal ash adobe 43.00 4.80 3.60 2.80 4.10 4.00 3.90 33.80
The prescription of reodorant is: chitosan (0.4%); Acetate (3%); Osmanthus flower fragrance (0.01%); Water (96.6%).
Reodorant dilutes in 1: 100 ratio water distribution, that is: with 100 liters of 1 liter of reodorant water distributions, make flushing liquor, add in the hole that gathers materials before the refuse classification system, in the process that refuse classification subsequently stirs, reodorant can with the rubbish thorough mixing, make in the rubbish foul odour the starting stage of compost production run promptly obtain absorption, eliminate and cover, and reduce mosquitos and flies, improve Working environment.The add-on of deodorizing flushing liquor is 1% of a rubbish weight.
The prescription of deodorizing modifying agent is: rhamnolipid (0.3%); Sucrose fat (0.7%); Water (99%).
The deodorizing modifying agent dilutes in 1: 100 ratio water distribution, that is: with 100 liters of 1 liter of deodorizing modifying agent water distributions, make flushing liquor, add in the mixed stirring device behind refuse classification, make the deodorizing modifying agent in mixed stirring device with the rubbish thorough mixing, thereby improve the microenvironment of microorganism growth in the compost fermentation, promote the growth of aerobic microbiological, suppress the growth of putrefactive bacterium, effectively reduce the generation of foul gas, and improve the degradation efficiency of aerobic microbiological to solid organic waste substances, significantly reduce growing of mosquitos and flies.The add-on of the deodorizing modifying agent flushing liquor of present embodiment is 4% of a rubbish weight.
Concentration (mL/m before the deodorizing effect foul gas composition deodorizing of reodorant and deodorizing modifying agent
3) concentration (mL/m after the deodorizing
3) clearance (%)
2.7 1.4 48.1 methylamines, 19.8 4.5 77.3 ethamine, 12.6 4.2 66.7 hydrogen sulfide, 52.4 17.2 67.2 indoles 6.2 2.5 59.7
Claims (5)
1, a kind of reodorant is characterized in that this reodorant contains chitosan, acetate and spices, and the weight proportion of each component of this reodorant is as follows:
Chitosan 0.2-1.2%
Acetate 1-6%
Spices 0.01-0.03%
Water 93-98%
2, the supporting deodorizing modifying agent of the described reodorant of a kind of and claim 1 is characterized in that this deodorizing modifying agent contains rhamnolipid and sucrose fat, and the weight proportion of each component of deodorizing modifying agent is as follows:
Rhamnolipid 0.2-1.2%
Sucrose fat 0.2-2.0%
Water 97-99%
3, a kind of above-mentioned reodorant, deodorizing modifying agent of using carries out the method that the garbage compost deodorizing is handled, and it is characterized in that pressing 1～3% of rubbish weight and adding diluted reodorant in the hole that gathers materials before the refuse classification system; In the mixed stirring device behind refuse classification, press 1～6% of rubbish weight then, add diluted deodorizing modifying agent.
4, the method for handling by the described garbage compost deodorizing of claim 3, it is characterized in that the reodorant that successively adds and deodorizing modifying agent are all with 1: the volume ratio water distribution of (50～100) is diluted.
5, the method for handling by claim 3 or 4 described garbage compost deodorizing is characterized in that in the compost production run process that also the reodorant of available above-mentioned concentration or deodorizing modifying agent join moisture and regulate reodorant or the deodorizing modifying agent in the additional junk-heap body in the sprinkling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031181384A CN1220655C (en) | 2003-03-05 | 2003-03-05 | Deodorant, modified deodorant and deodorizing method for refuse compost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031181384A CN1220655C (en) | 2003-03-05 | 2003-03-05 | Deodorant, modified deodorant and deodorizing method for refuse compost |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1434002A true CN1434002A (en) | 2003-08-06 |
| CN1220655C CN1220655C (en) | 2005-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031181384A Expired - Fee Related CN1220655C (en) | 2003-03-05 | 2003-03-05 | Deodorant, modified deodorant and deodorizing method for refuse compost |
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| CN (1) | CN1220655C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120058895A1 (en) * | 2004-06-01 | 2012-03-08 | Agscitech | Compositions and methods for controlling pests with glycolipids |
| CN104784728A (en) * | 2015-04-09 | 2015-07-22 | 北京建筑材料科学研究总院有限公司 | Deodorant applicable to organic solid waste treatment and application of deodorant |
| CN104800876A (en) * | 2015-04-09 | 2015-07-29 | 北京建筑材料科学研究总院有限公司 | Deodorant suitable for organic solid waste suitable for heat treatment and application of deodorant |
| CN105689356A (en) * | 2014-11-27 | 2016-06-22 | 魏星 | Process for making biomass fuel by mixing municipal domestic garbage with industrial organic garbage |
| CN106670216A (en) * | 2017-02-23 | 2017-05-17 | 贵州欧瑞信环保科技有限责任公司 | Deodorant for garbage decomposition and reduction |
| CN109289499A (en) * | 2018-11-02 | 2019-02-01 | 广州三环保有限公司 | The production method of the formula and biological deodorant of biological deodorant |
| CN110615699A (en) * | 2019-09-06 | 2019-12-27 | 广西大学 | Fermentation method of organic solid waste |
| CN112246849A (en) * | 2020-09-29 | 2021-01-22 | 天津中材工程研究中心有限公司 | Organic contaminated soil deodorant and preparation method and application thereof |
-
2003
- 2003-03-05 CN CNB031181384A patent/CN1220655C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120058895A1 (en) * | 2004-06-01 | 2012-03-08 | Agscitech | Compositions and methods for controlling pests with glycolipids |
| US8680060B2 (en) * | 2004-06-01 | 2014-03-25 | Agscitech Inc. | Compositions and methods for controlling pests with glycolipids |
| CN105689356A (en) * | 2014-11-27 | 2016-06-22 | 魏星 | Process for making biomass fuel by mixing municipal domestic garbage with industrial organic garbage |
| CN104784728A (en) * | 2015-04-09 | 2015-07-22 | 北京建筑材料科学研究总院有限公司 | Deodorant applicable to organic solid waste treatment and application of deodorant |
| CN104800876A (en) * | 2015-04-09 | 2015-07-29 | 北京建筑材料科学研究总院有限公司 | Deodorant suitable for organic solid waste suitable for heat treatment and application of deodorant |
| CN104784728B (en) * | 2015-04-09 | 2017-09-05 | 北京建筑材料科学研究总院有限公司 | A kind of deodorant handled suitable for organic solid castoff and its application |
| CN104800876B (en) * | 2015-04-09 | 2017-12-05 | 北京建筑材料科学研究总院有限公司 | A kind of deodorant of organic solid castoff for being applied to heat treatment and its application |
| CN106670216A (en) * | 2017-02-23 | 2017-05-17 | 贵州欧瑞信环保科技有限责任公司 | Deodorant for garbage decomposition and reduction |
| CN109289499A (en) * | 2018-11-02 | 2019-02-01 | 广州三环保有限公司 | The production method of the formula and biological deodorant of biological deodorant |
| CN110615699A (en) * | 2019-09-06 | 2019-12-27 | 广西大学 | Fermentation method of organic solid waste |
| CN112246849A (en) * | 2020-09-29 | 2021-01-22 | 天津中材工程研究中心有限公司 | Organic contaminated soil deodorant and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1220655C (en) | 2005-09-28 |
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