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Straw-fiber-paper-pulp-waste-liquid surfactant and preparing method thereof

A technology of surfactant and pulp waste liquid, applied in chemical instruments and methods, dissolution, chemical/physical processes, etc., can solve environmental pollution and other problems, achieve the effect of simple process and widen utilization channels

Inactive Publication Date: 2017-01-11
MAANSHAN MCC17 ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The method of using straw to produce fiber has been relatively mature, but the fiber production process will produce a large amount of pulp waste liquid, which contains a large amount of suspended solids, organic pollutants and toxic substances. If it is directly discharged without treatment, it will cause serious damage. environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A straw fiber pulp waste liquid surfactant of the present invention is prepared from the following raw materials according to the mass percentage: straw treatment waste liquid: 40%-60%; sodium dodecylbenzenesulfonate: 10%-20%; Hydrogen peroxide: 5% to 10%; Sodium lignosulfonate: 3% to 8%; Sodium sulfate: 5% to 15%.

[0022] As a preferred technical solution of the present invention, the straw treatment waste liquid is the waste liquid after lignin fiber is prepared from crop straw, and the lignin fiber content is not more than 5%.

[0023] As a preferred technical solution of the present invention, the sodium dodecylbenzenesulfonate is light yellow powder with a weight loss rate of 60% and a CMC value of 2.5mmol / L.

[0024] As a preferred technical solution of the present invention, the sodium lignosulfonate has a weight percentage of less than 3% of reducing substances, less than 1.0% of water insoluble substances, and less than 2% of inorganic salts.

[0025] As a pr...

Embodiment 2

[0034] A straw fiber pulp waste liquid surfactant, which is prepared from the following raw materials according to mass percentage: straw treatment waste liquid: 40%; sodium dodecylbenzene sulfonate; 15%; hydrogen peroxide: 5%; lignin Sodium sulfonate: 3%; Sodium sulfate 5%.

[0035] Preferably, the straw treatment waste liquid is the waste liquid after lignin fiber is prepared from crop straw, and the lignin fiber content is not more than 5%.

[0036] Preferably, the sodium dodecylbenzenesulfonate is light yellow powder with a weight loss rate of 60% and a CMC value of 2.5mmol / L.

[0037] Preferably, for the sodium lignosulfonate, the mass percentage of reducing substances is less than 3%, the mass percentage of water insoluble substances is less than 1.0%, and the mass percentage of inorganic salts is less than 2%.

[0038] Preferably, the sodium sulfate is in powder form, the mass percentage of sodium sulfate is ≥ 99%, the mass percentage of chloride is ≤ 0.7%, the mass pe...

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Abstract

The invention discloses a straw-fiber-paper-pulp-waste-liquid surfactant and a preparing method thereof. The straw-fiber-paper-pulp-waste-liquid surfactant is prepared from, by mass, 40%-60% of waste straw treatment liquid, 10%-20% of sodium dodecyl benzene sulfonate, 5%-10% of hydrogen peroxide, 3%-8% of sodium lignin sulfonate and 5%-15% of sodium sulfate. The preparing method of the straw-fiber-paper-pulp-waste-liquid surfactant includes the following steps that 1, the waste straw treatment liquid is boiled for 2 h, the temperature is reduced to be 80 DEG C, and the constant temperature is kept; 2, the sodium dodecyl benzene sulfonate, the sodium lignin sulfonate and the sodium sulfate are added, the mixture is stirred for 1 h, and the stirring speed is 100 revolutions / min; 3, the hydrogen peroxide is added, the mixture continues to be stirred for 30 min, and the straw-fiber-paper-pulp-waste-liquid surfactant is obtained. The straw-fiber-paper-pulp-waste-liquid surfactant and the preparing method thereof have the advantages that waste straw-fiber liquid is recycled, and the using ways of the waste straw-fiber liquid is broadened; the technology is simple, and a large energy consumption device is not required.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a straw fiber pulp waste liquid surfactant and a preparation method thereof. Background technique [0002] As agricultural waste, straw is generated in huge quantities every year. my country produces 900 million tons of straw every year, and Anhui Province produces about 70 million tons of straw every year; however, the use value of waste straw is not high, and incineration as fertilizer or fuel is still the most important treatment method, but this treatment method not only causes waste of resources It is wasteful, and it is easy to cause fire risk and environmental pollution, and even become the chief culprit of harming the urban environment. It is increasingly urgent to carry out research on the comprehensive utilization of straw. [0003] The main component of straw is fibrous substance. According to research, straw fiber as a toughening material can play a certain crack-r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F17/00C09K23/00
CPCC09K23/018
Inventor 李亚辉柯能好钱元弟王璠陈贺王孝平王慧
Owner MAANSHAN MCC17 ENG TECH CO LTD