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Agent for source control of household garbage stench as well as preparation and application methods of agent

A domestic waste and stench technology, applied in the field of domestic waste stench source control agent and its preparation and use, can solve the problem of unorganized stench emission, achieve the effect of eliminating stench taste, strong universality, and warm composition

Inactive Publication Date: 2016-02-17
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the current situation of domestic waste being discarded and piled up in a centralized manner in villages and towns and some urban districts, the stench is distributed unorganized, the current situation of stench control technology and management blank, and the problems existing in the direct application of the existing technology, the present invention provides a method to realize the disposal of domestic waste from the source. Agents for suppressing the emission of malodorous substances

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Pharmacy preparation:

[0028] First put 2.4g of PVA-1788 into 100mL of distilled water, heat and dissolve in a water bath at 90°C, add 100mL of 50% by mass ethanol solution after cooling, mix well, then add 3.0gPVP and 1.0gHPMC respectively, and mix well again to obtain the medicament;

[0029] Domestic waste samples: See Table 1 for the materials and mass ratios used in the test.

[0030] Table 1

[0031] material

mass ratio

kitchen

53.8％

waste paper

14.5％

plastic and rubber

11.1％

cloth

2.4％

sludge

18.2％

total

100.0％

[0032] The domestic garbage in the experiment was prepared in two groups, one of which was used as the control. After uniform distribution, spray the agent prepared in Example 1 on the experimental group, so that the agent can cover the surface of the household garbage, and then cover the household garbage with a plastic bag for 48 hours. During the process, the p...

Embodiment 2

[0035] Except that the solvent is a mixture of 50% by mass ethanol solution and 1% by mass glycerin, the rest of the preparation process of the improved agent 1 is the same as that of Example 1. Household refuse composition is also identical with embodiment 1

[0036] The experimental household waste was equally divided into the experimental group and the control group. Spray the improved agent 1 on the experimental group so that the agent covers the surface of the household garbage, and then cover the two groups of household garbage with plastic bags for 48 hours.

[0037] Results: After 48 hours, the experimental group did not produce obvious odor, while the control group had obvious fishy odor.

Embodiment 3

[0039] Household waste composition and embodiment 1 are the same batch.

[0040] Drug preparation: first put 2.4g of PVA-1788 into 100mL of distilled water, heat and dissolve in a water bath at 90°C, add 100mL of distilled water as a solvent after cooling, mix well, then add 3.0gPVP and 1.0gHPMC respectively, mix well again, and get improved The deodorant agent 2.

[0041] The high temperature weather for several days made the experimental domestic garbage produce a more pungent stench. After spraying the improved medicament 2 to the surrounding air, obvious odor control was achieved, the sensory odor was eliminated, and other odors would not be produced after the agent was sprayed.

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PUM

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Abstract

The invention relates to an agent for source control of household garbage stench as well as preparation and application methods of the agent. The preparation method comprises steps as follows: 0.4%-2.0% by mass of polyvinyl alcohol, 1.0%-3.0% by mass of polyvinylpyrrolidone and 0.5%-1.8% by mass of hydroxypropyl methyl cellulose are taken firstly, polyvinyl alcohol is added to water and stirred, an aqueous polyvinyl alcohol solution with the mass concentration of 0.8%-4.0% is prepared and is cooled to the room temperature, an isometric solvent is added and uniformly stirred, finally, polyvinylpyrrolidone and hydroxypropyl methyl cellulose are sequentially added and sufficiently and uniformly mixed, and the stench removing agent is obtained. The agent is sprayed to the surface of household garbage, a film layer is formed rapidly, and the source stench of the household garbage is shielded accordingly, or different effective components are doped for elimination of stench in air. The stench removing agent is simple to prepare, the stench removing principle is novel, the effect is obvious, the secondary pollution is avoided, the requirement for equipment is not high, and the agent can be widely applied to other industrial fields with stench pollution production.

Description

technical field [0001] The invention relates to a medicament for controlling the source of domestic waste stench and its preparation and use method, belonging to the technical field of domestic waste treatment. Background technique [0002] Since 2005, China has become the country with the largest amount of household waste. According to the statistical yearbook data of the National Bureau of Statistics of the People's Republic of China, the total amount of domestic garbage removal and transportation in the country reached 172.386 million tons in 2013, and the total amount of garbage harmless treatment accounted for 88.84% of the removal volume, of which 68.16% was sanitary landfill treatment. 30.10% are incinerated, and the remaining 1.74% are harmlessly disposed of in other ways. Odor pollution may be generated in the whole process of domestic waste from generation, collection and transportation to treatment and disposal, and most of them belong to open pollution sources. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L29/04C08L39/06C08L1/28A62D3/30A62D3/02
Inventor 赵由才张杰李杭芬夏发发周涛牛冬杰
Owner TONGJI UNIV
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