Production method of flocculating water purifying agent containing silicon and aluminum humate

A technology of humic acid salt and production method, which is applied in the fields of flocculation/sedimentation water/sewage treatment, chemical instruments and methods, water/sewage treatment, etc., which can solve the problems of secondary environmental damage and non-recyclability

Active Publication Date: 2020-09-04
辽宁三谷农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sludge after water purification contains many non-degradable toxic and harmful amides, which cause secondary damage to the environment and cannot be reused

Method used

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  • Production method of flocculating water purifying agent containing silicon and aluminum humate
  • Production method of flocculating water purifying agent containing silicon and aluminum humate
  • Production method of flocculating water purifying agent containing silicon and aluminum humate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Put 100kg of humic acid on a dry basis into the kneader, add 50kg of water, knead and stir evenly, continue to knead and stir while adding 10kg of sodium silicate, 10kg of sodium aluminate, and 5kg of potassium hydroxide, continue kneading and stirring for 30 minutes, and then add coke Sodium sulfite 5kg, sodium bisulfite 5kg, continue kneading and stirring for 30 minutes, put the mixture into the screw extruder, adjust the temperature to 150°C to form irregular strips, cool naturally, and pulverize the finished silicon and aluminum humate flocculation water purifier.

Embodiment 2

[0027] Put 100kg of humic acid on a dry basis into the kneader, add 50kg of water, knead and stir evenly, continue to knead and stir while adding 15kg of sodium silicate, 5kg of sodium aluminate, and 10kg of potassium hydroxide, continue kneading and stirring for 30 minutes, and then add coke Sodium sulfite 5kg, sodium bisulfite 5kg, continue kneading and stirring for 30 minutes, put the mixture into the screw extruder, adjust the temperature to 180°C to form irregular strips, cool naturally, and pulverize the finished silicon and aluminum humate flocculation water purifier.

Embodiment 3

[0029] Put 100kg of humic acid on a dry basis into the kneader, add 50kg of water, knead and stir evenly, continue kneading and stirring while adding 12kg of sodium silicate, 8kg of sodium aluminate, and 8kg of potassium hydroxide, continue kneading and stirring for 30 minutes, and then add coke Sodium sulfite 5kg, sodium bisulfite 5kg, continue kneading and stirring for 30 minutes, put the mixture into a screw extruder, adjust the temperature to 165°C to form irregular strips, cool naturally, pulverize with a pulverizer, pack, and obtain finished silicon and aluminum Humate flocculating water purifier.

[0030] The silicon, aluminum humate flocculation water purifying agent product index that the present invention obtains:

[0031] a. Water-soluble organic matter ≥ 70%;

[0032] b. Water insoluble ≤ 3%

[0033] c. Water-soluble silicon mass fraction (on a dry basis) ≥ 2%

[0034] d. Water-soluble aluminum mass fraction (on a dry basis) ≥ 3%

[0035] e. Moisture ≤ 20%

[...

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Abstract

The invention relates to a production method of a flocculating water purifying agent containing silicon and aluminum humate. The production method comprises the following steps: adding 100 parts by weight of humic acid in terms of dry basis into a kneader, adding 50 parts by weight of water, and conducting kneading and uniform stirring; continuing to knead and stir while adding 10-15 parts by weight of sodium silicate, 5-10 parts by weight of sodium aluminate and 5-10 parts by weight of potassium hydroxide; continuing kneading and stirring for 30 minutes; then adding 5 parts by weight of sodium pyrosulfite and 5 parts by weight of sodium hydrogen sulfite, and continuing to knead and stir for 30 minutes; and adding a formed mixture into a screw extruder, adjusting a temperature to 150-180 DEG C, carrying out treatment to enable the mixture to be in an irregular strip shape, and performing natural cooling and crushing so as to obtain the flocculating water purifying agent containing silicon and aluminum humate. The flocculating water purifying agent has the advantages that water purifying effect is good, mineral salt, metal salt and nitrite in water and soil can be removed, and the agent is friendly to environment and free of secondary pollution; and when the agent is used for purifying sewage without heavy metal pollution in brewery, food processing plants and the like, sludge obtained by purification can be used for producing organic fertilizers and flower culture substrates, so waste recycling is realized.

Description

technical field [0001] The invention relates to a production method of a flocculating water purifying agent containing silicon and aluminum humate. It is mainly used for harmless water purification treatment of breweries, food processing plants, agricultural production and urban domestic sewage, and the sludge can be reused. Background technique [0002] Commonly used flocculating water purifiers are polymer polyacrylamides produced from dimethylamine, polyethylene polyamine, formaldehyde and acrylonitrile as raw materials, and polymerized with an initiator. In the process of water purification, aluminates, silicates, and hydrogen peroxide should be used together, and the effect is obvious. The sludge after water purification contains many non-degradable toxic and harmful amides, which cause secondary damage to the environment and cannot be reused. With the enhancement of people's awareness of drinking water and food safety, the impact of dissolved pollutants in water and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52
CPCC02F1/5263
Inventor 陈建江周全军陈佳瑞崔广弛
Owner 辽宁三谷农业科技有限公司
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