Composite environment-friendly dust suppressant and preparation method thereof

A dust suppressant and composite technology, which is applied in the field of environmental science, can solve the problems of not having a strong ability to bond dust, the types of dust suppressants are scarce, and the processing technology is complicated and cost effective, so as to effectively remove nitrogen oxides, dust solids, etc. The effect of good knot effect and simple preparation process

Pending Publication Date: 2020-10-30
湖南鑫恒环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wetting-type dust suppressants are generally composed of non-polar lipophilic hydrocarbon chains and polar hydrophilic groups. The disadvantage of using wetting-type chemical dust suppressants is that the scope of application of the same wetting agent is small, which may cause two The possibility of secondary pollution, and does not have a strong ability to bind dust
Adhesive dust suppressants mainly include organic bonding materials such as oil products, waste liquids and waste residues from the papermaking and alcohol industries; Groundwater and surrounding environment are polluted, and there are defects such as complex processing technology and relatively high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A preparation method of a composite environment-friendly dust suppressant, specifically comprising the following steps:

[0027] (1) Weighing raw materials: 5 parts of compound bacterial liquid, 2 parts of cross-linked starch, 5 parts of hibiscus plant gum, 2 parts of fatty alcohol polyoxyethylene ether, 1 part of sodium dodecylbenzenesulfonate, 30 parts of calcium chloride , 60 parts of water; wherein, the bacterial concentration of the composite bacterial liquid is 5×10 7 cells / mL.

[0028] (2) Mix cross-linked starch, fatty alcohol polyoxyethylene ether, sodium dodecylbenzene sulfonate and stir well, then add hibiscus vegetable gum, calcium chloride and water in turn and stir at 40-60°C for 10-20min After the stirring is completed, cool to room temperature, then add the compound bacteria solution and stir evenly to obtain the compound environmental protection dust suppressant.

[0029] Mix the prepared dust suppressant with water at a mass ratio of 1:10, put it int...

Embodiment 2

[0031] A preparation method of a composite environment-friendly dust suppressant, specifically comprising the following steps:

[0032] (1) Weigh raw materials: 8 parts of composite bacterial liquid, 2 parts of esterified starch, 10 parts of hibiscus plant gum, 4 parts of fatty alcohol polyoxyethylene ether, 2 parts of sodium dodecylbenzenesulfonate, 40 parts of calcium lactate, 80 parts of water; among them, the bacterial concentration of the composite bacterial solution is 1×10 10 cells / mL.

[0033] (2) Mix the esterified starch, fatty alcohol polyoxyethylene ether, and sodium dodecylbenzene sulfonate and stir evenly, then add hibiscus vegetable gum, calcium lactate and water in turn and stir at 40-60°C for 10-20min, After the stirring is completed, cool to room temperature, then add the compound bacteria liquid and stir evenly to obtain the compound environmental protection dust suppressant.

[0034] Mix the prepared dust suppressant with water at a mass ratio of 1:10, pu...

Embodiment 3

[0036] A preparation method of a composite environment-friendly dust suppressant, specifically comprising the following steps:

[0037] (1) Weigh raw materials: 7 parts of compound bacterial liquid, 5 parts of maltodextrin, 5 parts of hibiscus plant gum, 3 parts of fatty alcohol polyoxyethylene ether, 2 parts of sodium dodecylbenzenesulfonate, 30 parts of calcium formate, 70 parts of water; among them, the bacterial concentration of the composite bacterial liquid is 9×10 9 cells / mL.

[0038](2) Mix maltodextrin, fatty alcohol polyoxyethylene ether, sodium dodecylbenzene sulfonate and stir evenly, then add hibiscus vegetable gum, calcium formate and water in turn and stir at 40-60°C for 10-20min, After the stirring is completed, cool to room temperature, then add the compound bacteria liquid and stir evenly to obtain the compound environmental protection dust suppressant.

[0039] Mix the prepared dust suppressant with water at a mass ratio of 1:10, put it into a sprayer, and...

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Abstract

The invention discloses a compound environment-friendly dust suppressant and a preparation method thereof. The compound environment-friendly dust suppressant is prepared from, by weight, 5-8 parts ofa compound bacteria liquid, 2-6 parts of modified starch, 5-10 parts of hibiscus syriacus vegetable gum, 2-4 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium dodecyl benzene sulfonate, 30-40 parts of a calcium source and 60-80 parts of water. According to the dust suppressant provided by the invention, the microbial dust suppressant can be used for dust suppression in a low-temperature environment, the dust suppression effect is good, no secondary pollution is generated, and the ecological compatibility is good; the preparation method and the application method of the dust suppressant are simple and convenient, and the cost is low.

Description

technical field [0001] The invention belongs to the field of environmental science and technology, and in particular relates to a composite environment-friendly dust suppressant and a preparation method thereof. Background technique [0002] Coal gangue is a rock associated with coal. It is a solid waste that is separated during coal mining and washing. It is a mixture of various mineral rocks and belongs to sedimentary rock. Coal gangue is currently the largest industrial waste discharge. , Accounting for 10%-15% of coal output, the coal industry invests about 100 million yuan in coal gangue disposal fees every year. The accumulation of coal gangue not only occupies a large amount of land, but also the sulfide contained in the gangue will pollute the air and water sources after being released, causing serious consequences; the pyrite contained in the gangue is easily oxidized by the air, and the heat released can promote The coal contained in the coal gangue is weathered a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/22
CPCC09K3/22
Inventor 钟仁华李威彭诗阳朱娟袁洁
Owner 湖南鑫恒环境科技有限公司
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