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Papermaking sewage treatment agent and preparation method thereof

A technology of papermaking sewage and treatment agent, which is applied in water/sewage treatment, water/sludge/sewage treatment, flocculation/sedimentation water/sewage treatment, etc. It can solve the problems of difficult to meet the wastewater treatment requirements, long sedimentation treatment time and low treatment effect. Inadequate and other problems, to achieve the effect of low requirements for process equipment and parameter conditions, good use effect, and simple processing technology

Inactive Publication Date: 2017-12-08
ANHUI XUANTONG IND DESIGN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the papermaking process, the non-cellulose part of the raw material is finally discharged to become papermaking black liquor. Papermaking black liquor contains lignin, cellulose, volatile organic acids, etc., and has an odor. If it is not treated effectively, it will be harmful serious pollution of the environment
[0003] In the prior art, the treatment method for papermaking sewage is mainly to add coagulant, flocculant, etc. in batches, and then carry out multi-stage precipitation. These traditional methods not only have poor treatment effect, but also take a long time for precipitation treatment, which is difficult to meet the requirements of wastewater treatment. processing requirements

Method used

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  • Papermaking sewage treatment agent and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0021] 1), Weigh the following raw materials in parts by weight: 66 parts of fruit shell powder, 10 parts of zinc chloride, 15 parts of polyaluminum chloride, 15 parts of polyacrylamide, 5 parts of bentonite, 5 parts of zinc white powder, and 8 parts of trioctylamine , 12 parts of cellulase, 6 parts of zinc oleate, 4 parts of silica powder, 7 parts of potassium laureth phosphate, described fruit shell powder is by walnut shell powder, chestnut shell powder, hazelnut shell powder according to 1:1: The mass ratio of 1 is obtained by mixing, and the shell powder is passed through a 100-mesh sieve;

[0022] 2), adding 5 times the mass of hydrochloric acid with a concentration of 10% to the fruit shell powder in step 1) for aging, then washing with water until neutral, and drying at 75°C for 13 hours;

[0023] 3) Add the ripened and dried husk powder in step 2) together with other raw materials except husk powder weighed in step 1) into the reaction kettle, and preheat and mix at 7...

Embodiment 2

[0025] 1), Weigh the following raw materials in parts by weight: 66 parts of fruit shell powder, 8 parts of zinc chloride, 12 parts of polyaluminum chloride, 12 parts of polyacrylamide, 4 parts of bentonite, 6 parts of zinc white powder, 7 parts of trioctylamine , 12 parts of cellulase, 6 parts of zinc oleate, 3 parts of silica powder, 6 parts of potassium lauryl ether phosphate, described nut shell powder is made of walnut shell powder, chestnut shell powder, macadamia nut shell powder according to 1:1 The mass ratio of :1 is obtained by mixing, and the shell powder is passed through a 100-mesh sieve;

[0026] 2), add 4 times the mass of hydrochloric acid with a concentration of 10% to the fruit shell powder in step 1) for aging, then wash with water until neutral, and bake at 80°C for 12 hours;

[0027] 3) Add the ripened and dried husk powder in step 2) together with other raw materials except husk powder weighed in step 1) into the reaction kettle, and preheat and mix at 6...

Embodiment 3

[0029] 1), Weigh the following raw materials in parts by weight: 70 parts of fruit shell powder, 8 parts of zinc chloride, 12 parts of polyaluminum chloride, 15 parts of polyacrylamide, 5 parts of bentonite, 57 parts of zinc white powder, and 8 parts of trioctylamine , 12 parts of cellulase, 8 parts of zinc oleate, 5 parts of silica powder, 7 parts of potassium lauryl ether phosphate, and the described fruit shell powder is obtained by mixing walnut shell powder and chestnut shell powder according to the mass ratio of 1:1 , the husk powder is passed through a 100-mesh sieve;

[0030] 2), adding 5 times the mass of hydrochloric acid with a concentration of 10% to the fruit shell powder in step 1) for aging, then washing with water until neutral, and drying at 70°C for 15 hours;

[0031] 3) Add the ripened and dried husk powder in step 2) together with other raw materials except husk powder weighed in step 1) into the reaction kettle, and preheat and mix at 70°C Stir for 2 hour...

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Abstract

The invention belongs to the field of sewage treatment and in particular relates to a papermaking sewage treatment agent. The papermaking sewage treatment agent is prepared from the following raw materials in parts by weight: 60 to 70 parts of shell powder, 8 to 10 parts of zinc chloride, 10 to 15 parts of polyaluminum chloride, 10 to 15 parts of polyacrylamide, 3 to 5 parts of bentonite, 5 to 7 parts of zincite powder and 5 to 8 parts of trioctylamine; a preparation method of the treatment agent comprises the following steps: weighing all the raw materials in parts by weight according to the requirement; after the shell powder is subjected to pre-treatment including curing and the like, putting the shell powder and the other raw materials into a reaction kettle together; pre-heating, mixing and stirring for 2h to 3h under the condition that the temperature is 65 DEG C to 75 DEG C; then raising the temperature to 100 DEG C to 110 DEG C, and standing and keeping heat for 1h to 2h; then discharging a product, naturally cooling and sealing and packaging. A processing method of the papermaking sewage treatment agent disclosed by the invention is simple; suspended matters, inorganic salt and organic matters in papermaking sewage can be effectively coagulated and adsorbed and the treatment efficiency of the sewage is improved.

Description

technical field [0001] The invention belongs to the field of sewage treatment, and in particular relates to a papermaking sewage treatment agent and a preparation method thereof. Background technique [0002] The paper industry uses wood, straw, reeds, rags, etc. as raw materials, and cellulose is separated by high-temperature and high-pressure cooking to make pulp. In the papermaking process, the non-cellulose part of the raw material is finally discharged to become papermaking black liquor. Papermaking black liquor contains lignin, cellulose, volatile organic acids, etc., and has an odor. If it is not treated effectively, it will be harmful The environment is seriously polluted. [0003] In the prior art, the treatment method for papermaking wastewater is mainly to add coagulant, flocculant, etc. in batches, and then carry out multi-stage precipitation. These traditional methods not only have poor treatment effect, but also take a long time for precipitation treatment, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/56C02F1/54C02F1/52B01J20/26B01J20/30C02F103/28
CPCC02F1/56B01J20/0244B01J20/0248B01J20/0288B01J20/103B01J20/12B01J20/22B01J20/24B01J20/261B01J2220/46B01J2220/4806B01J2220/4812B01J2220/4825C02F1/5236C02F1/5263C02F1/54C02F2103/28
Inventor 王丽李彦
Owner ANHUI XUANTONG IND DESIGN CO LTD
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