Photochemical degradation agent for treating paper making paper making black liquor and preparation method thereof

A papermaking black liquor and photochemical technology, applied in chemical instruments and methods, physical/chemical process catalysts, energy and wastewater treatment, etc., can solve the problems of high cost and high energy consumption, and achieve the effect of simple operation and low cost

Active Publication Date: 2012-08-15
SHANGHAI DONGSHENG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing potential of using photochemical catalytic technology to degrade papermaking black liquor has not been tapped. For example, by using artificial ultraviolet radiation to degrade paperm

Method used

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  • Photochemical degradation agent for treating paper making paper making black liquor and preparation method thereof
  • Photochemical degradation agent for treating paper making paper making black liquor and preparation method thereof
  • Photochemical degradation agent for treating paper making paper making black liquor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] formula:

[0037] 40 parts of nano-anatase titanium dioxide, 3 parts of 3-methacryloxypropyltrimethoxysilane, 0.3 parts of cobalt acetylacetonate, 5 parts of visible light absorbing agent, 1 part of bismuth nitrate, 0.5 parts of cerium trichloride, 0.1 part of sodium rhodium chloride, 3 parts of nano-ferric oxide, and 1 part of nano-copper oxide.

[0038] The visible light absorber is composed of the following components in parts by weight:

[0039] 12 parts of methanol;

[0040] 85 parts of ethanol

[0041] 0.15 parts of 1,1'-diethyl-3,3'-bis(γ-sulfopropyl)5,5'-bistrifluoromethylimidazocyanine sodium salt

[0042] 0.15 parts of 3,3-diethyl-9-methylthiocarbocyanine iodide salt,

[0043] Mix all the above items and heat to 40°C to dissolve to obtain a visible light absorber;

[0044] Preparation:

[0045] Raise the temperature of nano-anatase titanium dioxide to make the temperature of titanium dioxide powder 85°C, then spray 3-methacryloxypropyltrimethoxysilane, s...

Embodiment 2

[0047] formula:

[0048] 42 parts of nano-anatase titanium dioxide, 4 parts of 3-methacryloxypropyltrimethoxysilane, 0.4 parts of cobalt acetylacetonate, 7 parts of visible light absorbing agent, 0.9 parts of bismuth nitrate, 0.6 parts of cerium trichloride, 0.15 parts of sodium rhodium chloride, 3 parts of nano-ferric oxide, and 1.5 parts of nano-copper oxide.

[0049] The visible light absorber is composed of the following components in parts by weight:

[0050] 8 parts of methanol;

[0051] Ethanol 95 parts

[0052] 0.15 parts of 1,1'-diethyl-3,3'-bis(γ-sulfopropyl)5,5'-bistrifluoromethylimidazocyanine sodium salt

[0053] 0.05 parts of 3,3-diethyl-9-methylthiocarbocyanine iodide salt,

[0054] Mix all the above items and heat to 40°C to dissolve to obtain a visible light absorber;

[0055] Preparation:

[0056]Raise the temperature of the nano-anatase titanium dioxide to make the titanium dioxide powder temperature 90°C, then spray 3-methacryloxypropyltrimethoxysilan...

Embodiment 3

[0058] formula:

[0059] 44 parts of nano anatase titanium dioxide, 5 parts of 3-methacryloxypropyltrimethoxysilane, 0.5 parts of cobalt acetylacetonate, 9 parts of visible light absorbing agent, 0.6 parts of bismuth nitrate, 0.7 parts of cerium trichloride, 0.2 parts of sodium rhodium chloride, 2.5 parts of nano-ferric oxide, and 2 parts of nano-copper oxide.

[0060] Visible light absorber is the same as embodiment 1.

[0061] Preparation:

[0062] Raise the temperature of nano-anatase titanium dioxide to make the temperature of titanium dioxide powder 85°C, then spray 3-methacryloxypropyltrimethoxysilane, stir for 60 minutes, add cobalt acetylacetonate solution, and stir for 20 minutes After adding the visible light absorbing agent, continue to stir. After an interval of 20 minutes, add bismuth nitrate solution. Iron, add nano-sized copper oxide after an interval of 10 minutes, and stir for 60 minutes to evaporate the solvent in the powder to obtain the product

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Abstract

The invention provides a photochemical degradation agent for treating paper making paper making black liquor and a preparation method thereof. The photochemical degradation agent comprises the following components in parts by weight: 40-60 parts of nano anatase titanium white, 3-6 parts of 3-methylacryloyloxypropyltrimethoxy silane, 5-15 parts of visible light absorber, 1-3 parts of bismuth nitrate, 1-3 parts of cerous chloride, 3-6 parts of nano ferric oxide and 1-3 parts of nano copper oxide. The photochemical degradation agent for treating organic matters in paper making black liquor integrates photochemistry, catalytic technology and nano chemistry, and can treat the organic matters in the black liquor through photochemical degradation by fully utilizing the inexhaustible natural resource sunlight and combining advanced photochemistry, catalytic technology and nano technology at present; and thus, the invention is very suitable for high-efficiency low-consumption environmental management in China. The technique and preparation method, which have the advantage of low cost and are simple to operate, are more suitable for medium and small paper making enterprises in development.

Description

technical field [0001] The invention relates to a photochemical degradation agent for treating papermaking black liquor, strictly speaking, it is a new material for treating papermaking black liquor integrating photochemistry, catalytic technology and nanometer chemistry. Background technique [0002] China is a big paper-making country, and it is also a big agricultural country. Every year, wheat straw and straw provide a large amount of raw materials for the paper-making industry, but at the same time, it also produces a large amount of waste liquid-paper-making black liquor. Disposing of paper-making black liquor is a complicated process. , each papermaking enterprise adopts a variety of methods to deal with black liquor, and has achieved remarkable results. With the continuous improvement of science and technology, various high-tech and high value-added new materials are applied in various fields, and have become indispensable materials in industry, agriculture, military...

Claims

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Application Information

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IPC IPC(8): B01J31/38C02F1/30C02F103/28
CPCY02W10/37
Inventor 施晓旦郭和森
Owner SHANGHAI DONGSHENG NEW MATERIALS
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