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Biological deodorizing composite filler and preparation method thereof

A composite packing and biological deodorization technology, applied in the field of deodorizing packing, can solve the problems of restricting the economy, purification efficiency and service life of a biological filter tower, and achieve the effect of good deodorization effect, non-corrosion and rich organic nutrition.

Active Publication Date: 2018-03-27
河南永泽环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although composite fillers combine the advantages of inorganic fillers and organic fillers, the inherent shortcomings of inorganic fillers and organic fillers still restrict the economy, purification efficiency and service life of biological filter towers.

Method used

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  • Biological deodorizing composite filler and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A biological deodorizing composite filler, made from the following raw materials in weight percentage: 20% of urban waste construction waste (masonry and concrete), 40% of high-calcium fly ash, 25% of leaf powder, binder (vinyl acetate- Ethylene copolymer emulsion) 15%.

[0023] The leaf powder is prepared by the following treatment: after drying the leaves at 105° C. for 2 hours, grinding them into powder with a grinder, and passing through a 35-mesh sieve, the size of the leaf powder is less than 0.5 mm.

[0024] The preparation method of described biological deodorization composite filler comprises the following steps:

[0025] 1) Process waste construction waste into particles with a size of 1-5mm;

[0026] 2) High-calcium fly ash and leaf powder were mixed in proportion for 30 minutes, followed by adding binder and water to mix to obtain a mixed slurry; in step 2), the added water was 0.8 times the sum of the weight of each raw material;

[0027] 3) The obtained ...

Embodiment 2

[0029] A biological deodorizing composite filler, made from the following raw materials in weight percentage: 25% of urban waste construction waste (masonry and concrete), 35% of high-calcium fly ash, 20% of leaf powder, binder (vinyl acetate- Ethylene copolymer emulsion) 20%.

[0030] The leaf powder is prepared by the following treatment: after drying the leaves at 105° C. for 2 hours, grinding them into powder with a grinder, and passing through a 35-mesh sieve, the size of the leaf powder is less than 0.5 mm.

[0031] The preparation method of described biological deodorization composite filler comprises the following steps:

[0032] 1) Process waste construction waste into particles with a size of 1-5mm;

[0033] 2) High-calcium fly ash and leaf powder were mixed in proportion for 30 minutes, followed by adding binder and water to mix to obtain a mixed slurry; in step 2), the added water was 0.6 times the sum of the weight of each raw material;

[0034] 3) The obtained ...

Embodiment 3

[0036] A biological deodorizing composite filler, made from the following raw materials in weight percentage: 30% of urban waste construction waste (masonry and concrete), 30% of high-calcium fly ash, 30% of leaf powder, binder (vinyl acetate- Ethylene copolymer emulsion) 10%.

[0037] The leaf powder is prepared by the following treatment: after drying the leaves at 105° C. for 2 hours, grinding them into powder with a grinder, and passing through a 35-mesh sieve, the size of the leaf powder is less than 0.5 mm.

[0038] The preparation method of described biological deodorization composite filler comprises the following steps:

[0039] 1) Process waste construction waste into particles with a size of 1-5mm;

[0040] 2) High-calcium fly ash and leaf powder were mixed in proportion for 30 minutes, and binder and water were added in turn to mix to obtain a mixed slurry; in step 2), the water added was 1 times the sum of the weight of each raw material;

[0041] 3) The obtaine...

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Abstract

The invention relates to a biological deodorizing composite filler which is prepared from the following materials by weight percentage: 20-30% of urban abandoned construction waste, 30-40% of high-calcium coal ash, 20-30% of leaf powder, and 10-20% of an adhesive. According to the invention, various components are sufficiently and uniformly mixed, and the mixture is put into a die to be extruded into a porous cylinder, and can be used after being dried. The filler has relatively high mechanism strength, and is good in stability, good in caking property, long in service life, relatively low incost, strong in buffering capacity, rich in organic nutrients, good in air permeability, and remarkable in deodorizing effect.

Description

technical field [0001] The invention belongs to the technical field of deodorizing fillers, and in particular relates to a biological deodorizing composite filler and a preparation method thereof. Background technique [0002] The filler is one of the core components of the biological trickling deodorization device, and it is the carrier for the growth of microorganisms and the transfer of substances, and its performance directly affects the purification effect of exhaust gas. In the current deodorization technology, the fillers used mainly include organic fillers, inorganic fillers and composite fillers. [0003] Traditional organic fillers such as soil, compost, peat, wood chips, corncobs, etc. can provide microorganisms with organic matter as a nutrient source, and there is no need to add nutrients to microorganisms during operation, but they are often damaged due to the decomposition of organic matter during operation. This will lead to the collapse and compaction of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/04
CPCC04B26/045C04B2111/00793C04B2111/00663C04B18/16C04B18/08C04B18/26
Inventor 路晏红周明吕可成
Owner 河南永泽环境科技有限公司
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