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A kind of sewage treatment agent and its application

A sewage treatment agent, stirring reaction technology, applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problems of increasing the burden of sewage treatment, secondary water pollution, etc., to reduce the organic pollution of water bodies, improve the organic pollution of water bodies, and the preparation method. simple effect

Active Publication Date: 2019-05-10
孙锡增
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the mixed use of various flocculants and coagulants can enhance the treatment effect of sewage, if the composition is too complex, it will increase the burden of sewage treatment, and the possibility of unknown elements entering the water body will cause secondary water pollution

Method used

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  • A kind of sewage treatment agent and its application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The sewage treatment agent of the present embodiment is prepared in the following manner:

[0025] Step 1: Add 20 parts by weight of fuming hydrochloric acid to 10 parts by weight of aluminum chips, stir for 2 hours, then add 100 parts by weight of aluminum carbonate, and stir for 12 hours;

[0026] Step 2: adding 100 parts by weight of polyaluminum chloride to 300 parts by weight of water, and fully stirring until completely dissolved;

[0027] Step 3: Mix the substances obtained in Step 1 and Step 2, stir and react for 2 hours to obtain the obtained product.

[0028] How to use: Add about 0.35ml of this product to 50ml of raw sewage.

[0029] Effects of use: After being treated once by the existing sewage treatment method, the COD data is 263mg / L; after being treated by the sewage treatment agent of this embodiment, the COD data is 101mg / L. The BOD data is 30mg / L.

[0030] The COD data of the sewage treated by the Shijiazhuang East Development Zone sewage plant is ...

Embodiment 2

[0032] Step 1: Add 30 parts by weight of fuming hydrochloric acid to 20 parts by weight of aluminum ingot, stir for 8 hours, then add 1000 parts by weight of aluminum carbonate, and stir for 36 hours;

[0033] Step 2: Add 200 parts by weight of polyaluminum chloride to 600 parts by weight of water, and stir until completely dissolved;

[0034] Step 3: Mix the substances obtained in Step 1 and Step 2, and stir and react at 800°C for 3 hours to obtain the obtained product.

[0035] How to use: Add about 0.1ml of this product to 50ml of raw sewage.

[0036] Effects of use: After being treated once by the existing sewage treatment method, the COD data is 263mg / L; after being treated by the sewage treatment agent of this embodiment, the COD data is 93mg / L. The BOD data is 27mg / L.

[0037] The COD data of the sewage treated by the Shijiazhuang East Development Zone sewage plant is 44mg / L, and the color is yellowish; after the sewage treatment agent of this embodiment is retreated,...

Embodiment 3

[0039] Step 1: Add 20 parts by weight of fuming hydrochloric acid to 15 parts by weight of aluminum block, stir for 10 hours, then add 600 parts by weight of iron carbonate, and stir for 24 hours;

[0040] Step 2: adding 130 parts by weight of polyferric chloride to 400 parts by weight of water, and fully stirring until completely dissolved;

[0041] Step 3: Mix the substances obtained in Step 1 and Step 2, and stir and react at 1000° C. for 2 hours to obtain the obtained product.

[0042] How to use: Add about 0.5ml of this product to 50ml of raw sewage.

[0043] Effects of use: After the original sewage liquid of the sewage plant in the East Development Zone of Shijiazhuang City is treated once by the existing sewage treatment method, the COD data is 263mg / L; after being treated by the sewage treatment agent of this embodiment, the COD data is 105mg / L. The BOD data is 30mg / L.

[0044] The COD data of the sewage treated by the Shijiazhuang East Development Zone sewage plant...

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Abstract

The invention relates to the sewage treatment field, and specifically relates to a sewage treatment agent and an application thereof. The sewage treatment agent is prepared through the following steps: adding 10-20 parts by weight of aluminum into 20-30 parts by weight of fuming hydrochloric acid, stirring for 2-10 hours, then adding 100-1000 parts by weight of carbonate, and stirring for 12-36 hours; adding 100-200 parts by weight of polymeric chloride into 300-600 parts by weight of water, and fully stirring until being completely dissolved; mixing the substances obtained in the step 1 and the step 2, carrying out a stirring reaction for at least one hour, and thus obtaining the sewage treatment agent. The sewage treatment agent has concise composition, has simple preparation method, and cannot cause secondary pollution on water bodies due to introduction of a variety of elementary components; treated water bodies are transparent and pure, and conform to national A-level discharge requirements. The sewage treatment agent is particularly suitable for sewage treatment of leather, coking, medicines, electroplating, printing and dyeing, chemical industry, papermaking industries and domestic wastewater with complex pollutants and high degree of pollution.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a sewage treatment agent and its application. Background technique [0002] Conserving natural resources is an important part of wastewater treatment solutions. With the gradual development of industrial and urban functions, sewage treatment has been involved in all aspects of human life, and is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields. Sewage treatment is an indispensable technology for people to protect the environment and love their beautiful homes. [0003] The flocculation process is a key link in sewage treatment, which is often achieved by adding flocculants, which are substances used to precipitate flocs from solutes, colloids, or suspended particles in aqueous solutions. Polyaluminum chloride is due to coagulation With high effect and low price...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52C02F1/56
Inventor 孙锡增
Owner 孙锡增
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