CN112876296A - Deodorization method applied to kitchen waste compost - Google Patents
Deodorization method applied to kitchen waste compost Download PDFInfo
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- CN112876296A CN112876296A CN202110132586.7A CN202110132586A CN112876296A CN 112876296 A CN112876296 A CN 112876296A CN 202110132586 A CN202110132586 A CN 202110132586A CN 112876296 A CN112876296 A CN 112876296A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/80—Separation, elimination or disposal of harmful substances during the treatment
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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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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a deodorization method applied to kitchen waste compost, which comprises the following steps: a. physically squeezing and separating the raw kitchen garbage to obtain dry components with the water content of not more than about 30%; b. spraying the dry component with deodorant A; c. uniformly mixing the sprayed garbage with the deodorant B; the deodorizer is added twice before the garbage fermentation for deodorization treatment, so that the generation of odor in the compost preparation process can be effectively reduced and inhibited.
Description
Technical Field
The invention relates to the field of garbage treatment, in particular to a deodorization method applied to kitchen garbage compost.
Background
Kitchen waste, also known as organic waste and perishable waste, refers to perishable biomass domestic waste such as food material waste, leftovers, overdue food, melon peel and fruit stone, green plants of flowers and plants, traditional Chinese medicine dregs and the like, has the characteristics of being perishable, low in calorific value, rich in organic matter content and the like, is difficult to properly treat by conventional landfill and incineration, is more easy to cause environmental pollution, and has certain potential safety hazard. At present, composting harmless treatment of kitchen waste is generally adopted at home and abroad, so that organic substances in the kitchen waste can be converted into stable humus substances, a fertilizer with high nutritional value is produced, loss of nutritional substances is avoided, and the treatment capacity and cost of household waste can be reduced. However, in the composting process of the kitchen waste, foul smell is generated. The existing deodorizing bactericides have various deodorizing modes, such as physical adsorption, chemical reaction deodorization, microbial catalytic degradation deodorization and the like, the deodorizing modes are generally incompatible, and one preparation only has a deodorizing function and means, so the effect of the deodorant is limited.
Disclosure of Invention
In view of the above, the present invention provides a deodorizing method for kitchen waste compost, which can effectively reduce and inhibit the generation of odor during the preparation of compost.
The invention relates to a deodorization method applied to kitchen garbage compost, which comprises the following steps: a. physically squeezing and separating the raw kitchen garbage to obtain dry components with the water content of not more than about 30%;
b. spraying the dry component with deodorant A;
c. uniformly mixing the sprayed garbage with the deodorant B;
the deodorant A is a plant extract and comprises the following raw materials in parts by weight: 3-6 parts of clove, 0.5-1.5 parts of lemon, 1-3 parts of cananga odorata, 1-3 parts of lavender, 0.5-1.5 parts of citrus, 0.5-2 parts of peppermint, 3-6 parts of roselle and 1-3 parts of ginger;
the deodorant B comprises the following raw materials in parts by weight: 25-35 parts of super absorbent resin, 12-16 parts of cyclodextrin, 3-8 parts of potassium dichloroisocyanate, 6-9 parts of activated alumina, 3-8 parts of neutral thenardite, 1-5 parts of glyoxylic acid, 6-12 parts of N, N-dialkyl amino allyl sulfonate, 1-3 parts of 3, 4-dihydro-2H-pyran, 1-3 parts of polyvinylpyrrolidone, 5-10 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 1-3 parts of nano titanium dioxide, 1-3 parts of regulating stabilizer and 0.5-2 parts of compatilizer;
further, in the step b, the usage amount of the deodorant A is 0.2-0.5% of the weight of the dry garbage components;
further, in the step c, the addition amount of the deodorant B is 1-2% of the dry components of the garbage;
further, the compatilizer is a mixture of 2,4, 6-trimethoxy benzaldehyde pentaerythritol carbonate and a water-based epoxy resin;
further, the mass ratio of the 2,4, 6-trimethoxy benzaldehyde pentaerythritol carbonate to the water-based epoxy resin is 3: 1;
further, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, Arabic gum and fatty alcohol-polyoxyethylene ether;
further, the mass ratio of the sodium carboxymethylcellulose to the arabic gum to the fatty alcohol-polyoxyethylene ether in the stabilizer is 2: 1: 2.
the invention has the beneficial effects that: the deodorization method applied to the kitchen waste compost can effectively reduce and inhibit the generation of odor in the compost preparation process by adding the deodorant twice before the waste fermentation for deodorization treatment. Firstly spraying deodorant A to adsorb harmful substances and bacteria in garbage, and deodorant A can be evenly attached to garbage materials, when deodorant B is added again, deodorant B is evenly attached to deodorant A and garbage materials, the garbage materials are harrowed in all directions and firmly attached to the garbage materials, deodorant A is adsorbed by super absorbent resin in deodorant B again, deodorant A is released again when the super absorbent resin absorbs percolate, the continuous sterilization and deodorization effects are achieved, and odor molecules generated in subsequent fermentation are captured by deodorant A and deodorant B in multiple mode. The added deodorant can perform deodorization and sterilization in multiple modes at the same time, and can ensure that the multiple deodorization modes performed at the same time are free from interference and have mutual promotion effect. The potassium dichloroisocyanate, the activated alumina and the neutral thenardite are matched for use, so that the generated chloride can play a role in oxidative decomposition while deodorization is carried out; the glyoxylic acid can be subjected to condensation reaction with odor molecules to achieve the aim of deodorization, and the super absorbent resin is used for absorbing leachate generated in stacking; deodorizing N, N-dihydroamino allyl sulfonate and 3, 4-dihydro-2H-pyran by an addition reaction; the cyclodextrin can generate inclusion compound to achieve the purpose of deodorization, and the polyvinylpyrrolidone and the plant extract can inhibit the generation and release of odor molecules under the combined action; the 4- (1-piperidyl) -3-nitrophenylacetamide can inhibit the breeding of bacteria in garbage stack, and the nano titanium dioxide can react with organic matters in the bacteria to generate carbon dioxide and water, so that the water generated during sterilization and deodorization can be absorbed by the super absorbent resin. The deodorizing method applied to the kitchen waste compost is used for sterilizing and deodorizing through various physical and chemical actions, and the effect is realized at the same time, the deodorizing method applied to the kitchen waste compost is not only free from interference when various deodorizing means are used through the added stabilizing and regulating agent and the compatilizer, and has mutual promoting effects, such as the regulating and stabilizing agents of sodium carboxymethyl cellulose, Arabic gum and fatty alcohol-polyoxyethylene ether are matched with the super absorbent resin to play a role in deodorizing and also play a role in regulating the stabilizing agent, and the deodorizing method is based on the special properties of the substances and the adopted additives.
Detailed Description
Example one
The deodorizing method applied to the kitchen waste compost of the embodiment comprises the following raw materials in parts by weight: 25 parts of super absorbent resin, 12 parts of cyclodextrin, 3 parts of potassium dichloroisocyanate, 6 parts of activated alumina, 3 parts of neutral thenardite, 1 part of glyoxylic acid, 6 parts of N, N-dialkyl amino allyl sulfonate, 1 part of 3, 4-dihydro-2H-pyran, 1 part of polyvinylpyrrolidone, 5 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 1 part of nano titanium dioxide, 1 part of regulating stabilizer and 0.5 part of compatilizer;
the deodorant A comprises the following raw materials in parts by weight: is prepared from clove 3 parts, lemon 0.5 part, cananga odorata 1 part, lavender 1 part, orange 0.5 part, peppermint 0.5 part, rose 3 parts, and ginger 1 part;
in this embodiment, the compatibilizer is a mixture of 2,4, 6-trimethoxy benzal pentaerythritol carbonate and an aqueous epoxy resin, and the mass ratio of the 2,4, 6-trimethoxy benzal pentaerythritol carbonate to the aqueous epoxy resin is 3: 1;
in this embodiment, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, acacia and fatty alcohol-polyoxyethylene ether, and the mass ratio of the sodium carboxymethylcellulose, the acacia and the fatty alcohol-polyoxyethylene ether in the adjusting stabilizer is 2: 1: 2.
example two
The deodorizing method applied to the kitchen waste compost of the embodiment comprises the following raw materials in parts by weight: 35 parts of super absorbent resin, 16 parts of cyclodextrin, 8 parts of potassium dichloroisocyanate, 9 parts of activated alumina, 8 parts of neutral thenardite, 5 parts of glyoxylic acid, 12 parts of N, N-dialkyl amino allyl sulfonate, 3 parts of 3, 4-dihydro-2H-pyran, 3 parts of polyvinylpyrrolidone, 10 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 3 parts of nano titanium dioxide, 3 parts of an adjusting stabilizer and 2 parts of a compatilizer;
the deodorant A comprises the following raw materials in parts by weight: 6 parts of clove, 1.5 parts of lemon, 3 parts of cananga odorata, 3 parts of lavender, 1.5 parts of citrus, 2 parts of peppermint, 6 parts of rose and 3 parts of ginger;
in this embodiment, the compatibilizer is a mixture of 2,4, 6-trimethoxy benzal pentaerythritol carbonate and an aqueous epoxy resin, and the mass ratio of the 2,4, 6-trimethoxy benzal pentaerythritol carbonate to the aqueous epoxy resin is 3: 1;
in this embodiment, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, acacia and fatty alcohol-polyoxyethylene ether, and the mass ratio of the sodium carboxymethylcellulose, the acacia and the fatty alcohol-polyoxyethylene ether in the adjusting stabilizer is 2: 1: 2.
EXAMPLE III
The deodorizing method applied to the kitchen waste compost of the embodiment comprises the following raw materials in parts by weight: 25 parts of super absorbent resin, 16 parts of cyclodextrin, 3 parts of potassium dichloroisocyanate, 9 parts of activated alumina, 3 parts of neutral thenardite, 5 parts of glyoxylic acid, 6 parts of N, N-dialkyl amino allyl sulfonate, 3 parts of 3, 4-dihydro-2H-pyran, 1 part of polyvinylpyrrolidone, 10 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 3 parts of nano titanium dioxide, 1 part of regulating stabilizer and 2 parts of compatilizer;
the deodorant A comprises the following raw materials in parts by weight: 3 parts of clove, 1.5 parts of lemon, 1 part of cananga odorata, 3 parts of lavender, 0.5 part of citrus, 2 parts of peppermint, 3 parts of rose and 3 parts of ginger;
in this embodiment, the compatibilizer is a mixture of 2,4, 6-trimethoxy benzal pentaerythritol carbonate and an aqueous epoxy resin, and the mass ratio of the 2,4, 6-trimethoxy benzal pentaerythritol carbonate to the aqueous epoxy resin is 3: 1;
in this embodiment, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, acacia and fatty alcohol-polyoxyethylene ether, and the mass ratio of the sodium carboxymethylcellulose, the acacia and the fatty alcohol-polyoxyethylene ether in the adjusting stabilizer is 2: 1: 2.
example four
The deodorizing method applied to the kitchen waste compost of the embodiment comprises the following raw materials in parts by weight: 35 parts of super absorbent resin, 12 parts of cyclodextrin, 8 parts of potassium dichloroisocyanate, 6 parts of activated alumina, 8 parts of neutral thenardite, 1 part of glyoxylic acid, 12 parts of N, N-dialkyl amino allyl sulfonate, 1 part of 3, 4-dihydro-2H-pyran, 3 parts of polyvinylpyrrolidone, 5 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 1 part of nano titanium dioxide, 3 parts of regulating stabilizer and 0.5 part of compatilizer;
the deodorant A comprises the following raw materials in parts by weight: 6 parts of clove, 0.5 part of lemon, 3 parts of cananga odorata, 1 part of lavender, 1.5 parts of citrus, 0.5 part of peppermint, 6 parts of rose and 1 part of ginger;
in this embodiment, the compatibilizer is a mixture of 2,4, 6-trimethoxy benzal pentaerythritol carbonate and an aqueous epoxy resin, and the mass ratio of the 2,4, 6-trimethoxy benzal pentaerythritol carbonate to the aqueous epoxy resin is 3: 1;
in this embodiment, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, acacia and fatty alcohol-polyoxyethylene ether, and the mass ratio of the sodium carboxymethylcellulose, the acacia and the fatty alcohol-polyoxyethylene ether in the adjusting stabilizer is 2: 1: 2.
EXAMPLE five
The deodorizing method applied to the kitchen waste compost of the embodiment comprises the following raw materials in parts by weight: 27 parts of super absorbent resin, 12 parts of cyclodextrin, 6 parts of potassium dichloroisocyanate, 8 parts of activated alumina, 3 parts of neutral thenardite, 5 parts of glyoxylic acid, 10 parts of N, N-dialkyl amino allyl sulfonate, 1 part of 3, 4-dihydro-2H-pyran, 3 parts of polyvinylpyrrolidone, 6 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 2 parts of nano titanium dioxide, 2 parts of an adjusting stabilizer and 0.8 part of a compatilizer;
the deodorant A comprises the following raw materials in parts by weight: 4 parts of clove, 1.3 parts of lemon, 1 part of cananga odorata, 2 parts of lavender, 0.7 part of citrus, 1.8 parts of peppermint, 4 parts of rose and 2 parts of ginger;
in this embodiment, the compatibilizer is a mixture of 2,4, 6-trimethoxy benzal pentaerythritol carbonate and an aqueous epoxy resin, and the mass ratio of the 2,4, 6-trimethoxy benzal pentaerythritol carbonate to the aqueous epoxy resin is 3: 1;
in this embodiment, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, acacia and fatty alcohol-polyoxyethylene ether, and the mass ratio of the sodium carboxymethylcellulose, the acacia and the fatty alcohol-polyoxyethylene ether in the adjusting stabilizer is 2: 1: 2.
EXAMPLE six
The deodorizing method applied to the kitchen waste compost of the embodiment comprises the following raw materials in parts by weight: 30 parts of super absorbent resin, 14 parts of cyclodextrin, 5 parts of potassium dichloroisocyanate, 7 parts of activated alumina, 5 parts of neutral thenardite, 3 parts of glyoxylic acid, 8 parts of N, N-dialkyl amino allyl sulfonate, 2 parts of 3, 4-dihydro-2H-pyran, 2 parts of polyvinylpyrrolidone, 7 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 5 parts of plant extract, 2 parts of nano titanium dioxide, 2 parts of regulating stabilizer and 1 part of compatilizer;
the deodorant A comprises the following raw materials in parts by weight: 4 parts of clove, 1 part of lemon, 2 parts of cananga odorata, 2 parts of lavender, 1 part of citrus, 1.5 parts of peppermint, 4 parts of rose and 2 parts of ginger;
in this embodiment, the compatibilizer is a mixture of 2,4, 6-trimethoxy benzal pentaerythritol carbonate and an aqueous epoxy resin, and the mass ratio of the 2,4, 6-trimethoxy benzal pentaerythritol carbonate to the aqueous epoxy resin is 3: 1;
in this embodiment, the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, acacia and fatty alcohol-polyoxyethylene ether, and the mass ratio of the sodium carboxymethylcellulose, the acacia and the fatty alcohol-polyoxyethylene ether in the adjusting stabilizer is 2: 1: 2.
in the above embodiments, the super absorbent resin is a modified polyvinyl alcohol, and is formed by reacting polyvinyl alcohol with cyclic acid anhydride.
Test example: the deodorant A and the deodorant B in the first embodiment of the invention are used for deodorizing kitchen waste compost (sample example), and compared with kitchen waste independent compost ((comparative example)), the type, type content, total weight and the like of the kitchen waste adopted by the independent compost and the compost deodorized by the method of the invention are the same, and the usage amount of the deodorant A is 0.2 percent of the weight of dry components of the waste; the addition amount of the deodorant B is 1% of the dry components of the garbage, the process and the steps of the subsequent composting treatment are the same, the odor test method adopts the conventional test method in the prior art, and the comparison result is as follows:
sample example compared to control example:
1) sample example gaseous odor direct emission Source H2The emission reduction of the accumulated discharge amount of S can reach 98 percent, and the emission reduction of ammonia can reach 70 percent.
2) From the results of olfaction, the sample case basically meets the requirement of no odor in the composting process, while the comparative case has strong odor in the composting process and still has obvious odor at the end of composting.
The effects of the other embodiments of the invention are better than those of the first embodiment.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A deodorization method applied to kitchen garbage compost is characterized in that: the method comprises the following steps:
a. physically squeezing and separating the raw kitchen garbage to obtain dry components with the water content of not more than about 30%;
b. spraying the dry component with deodorant A;
c. uniformly mixing the sprayed garbage with the deodorant B;
the deodorant A is a plant extract and comprises the following raw materials in parts by weight: 3-6 parts of clove, 0.5-1.5 parts of lemon, 1-3 parts of cananga odorata, 1-3 parts of lavender, 0.5-1.5 parts of citrus, 0.5-2 parts of peppermint, 3-6 parts of roselle and 1-3 parts of ginger;
the deodorant B comprises the following raw materials in parts by weight: 25-35 parts of super absorbent resin, 12-16 parts of cyclodextrin, 3-8 parts of potassium dichloroisocyanate, 6-9 parts of activated alumina, 3-8 parts of neutral thenardite, 1-5 parts of glyoxylic acid, 6-12 parts of N, N-dialkyl amino allyl sulfonate, 1-3 parts of 3, 4-dihydro-2H-pyran, 1-3 parts of polyvinylpyrrolidone, 5-10 parts of 4- (1-piperidyl) -3-nitrophenylacetamide, 1-3 parts of nano titanium dioxide, 1-3 parts of regulating stabilizer and 0.5-2 parts of compatilizer.
2. The deodorizing method for kitchen waste compost according to claim 1, wherein: in the step b, the usage amount of the deodorant A is 0.2-0.5% of the weight of the dry components of the garbage.
3. The deodorizing method for kitchen waste compost according to claim 2, wherein: in the step c, the addition amount of the deodorant B is 1-2% of the dry components of the garbage.
4. The deodorizing method for kitchen waste compost according to claim 1, wherein: the compatilizer is a mixture of 2,4, 6-trimethoxy benzaldehyde pentaerythritol carbonate and water-based epoxy resin.
5. The deodorizing method for kitchen waste compost according to claim 2, wherein: the mass ratio of the 2,4, 6-trimethoxy benzaldehyde pentaerythritol carbonate to the water-based epoxy resin is 3: 1.
6. the deodorizing method for kitchen waste compost according to claim 3, wherein: the adjusting stabilizer is a mixture of sodium carboxymethylcellulose, Arabic gum and fatty alcohol-polyoxyethylene ether.
7. The method of claim 4, wherein the deodorizing method comprises: the mass ratio of sodium carboxymethylcellulose to arabic gum to fatty alcohol-polyoxyethylene ether in the regulation stabilizer is 2: 1: 2.
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| CN115141043A (en) * | 2022-06-29 | 2022-10-04 | 牛勇 | Green organic fertilizer and preparation process thereof |
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