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Water treatment agent and preparation method and application thereof

A technology of water treatment agent and water quality regulator, applied in textile industry wastewater treatment, neutralized water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of limited decolorization effect, secondary environmental pollution and high treatment cost , to achieve the effect of enhancing floc settling performance, no secondary pollution, and less dosage

Inactive Publication Date: 2013-03-20
北京泛博科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic polymer compounds are widely used, but their decolorization effect is limited; organic polymer compounds have better sedimentation effect, but the treatment cost is high, and it will cause secondary pollution to the environment

Method used

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  • Water treatment agent and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Preparation of water quality conditioner: put 80kg of calcium oxide and 10kg of aluminum potassium sulfate into a pulverizer, adjust the sieve aperture of the pulverizer to 100 mesh, and pulverize twice; then mix 10kg of magnesium sulfate heptahydrate with the above pulverized powder The mixture is poured into a mixing tank, and mixed for 24 hours to obtain a water quality regulator;

[0026] 2. Preparation of flocculant: put 30kg of ferrous sulfate and 90kg of magnesium sulfate heptahydrate into a pulverizer, adjust the sieve aperture of the pulverizer to 150 mesh, and pulverize once; then mix 1kg of polyacrylamide (molecular weight 11 million) with pulverizer The good powder is poured into the mixing tank and mixed for 20 hours to obtain the iron-magnesium composite decolorizing flocculant;

[0027] Store the water quality conditioner and flocculant prepared above separately.

[0028] 3. Wastewater treatment: apply the above water treatment agent to leather tannin...

Embodiment 2

[0033] 1. Preparation of water quality conditioner: put 75kg of calcium oxide and 10kg of aluminum potassium sulfate into a pulverizer, adjust the sieve aperture of the pulverizer to 120 mesh, and pulverize twice; then mix 20kg of magnesium sulfate heptahydrate with the above pulverized powder The mixture is poured into a mixing tank, and mixed for 40 hours to obtain a water quality regulator;

[0034] 2. Preparation of flocculant: put 30kg of ferrous sulfate and 70kg of magnesium sulfate heptahydrate into a pulverizer, adjust the sieve aperture of the pulverizer to 150 mesh, and pulverize once; then mix 3kg of polyacrylamide (molecular weight: 11 million) with the above Pour the pulverized powder into a mixing tank and mix for 5 hours to obtain the iron-magnesium composite decolorizing flocculant;

[0035] Store the water quality conditioner and flocculant prepared above separately.

[0036] 3. Wastewater treatment: apply this water treatment agent to fur dyeing wastewater t...

Embodiment 3

[0041] 1. Preparation of water quality conditioner: put 60kg of calcium oxide and 20kg of aluminum potassium sulfate into a pulverizer, adjust the sieve aperture of the pulverizer to 100 mesh, and pulverize twice; then mix 15kg of magnesium sulfate heptahydrate with the pulverized above-mentioned powder The mixture is poured into a mixing tank, and mixed for 35 hours to obtain a water quality regulator;

[0042]2. Preparation of flocculant: Put 10kg of ferrous sulfate and 90kg of magnesium sulfate heptahydrate into a pulverizer, adjust the sieve aperture of the pulverizer to 120 mesh, and pulverize once; then mix 5kg of polyacrylamide (molecular weight: 11 million) with the above The pulverized powder is poured into a mixing tank and mixed for 10 hours to obtain an iron-magnesium composite decolorizing flocculant;

[0043] Store the water quality conditioner and flocculant prepared above separately.

[0044] 3. Wastewater treatment: apply this water treatment agent to textile...

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Abstract

The invention discloses a novel water treatment agent and a preparation method and application thereof. The water treatment agent consists of a water quality conditioning agent and a magnesium-iron composite decoloring flocculating agent; the water quality conditioning agent is prepared by the following formula which comprises the components in parts by weight: 50-90 parts of calcium oxide, 10-40 parts of aluminium potassium sulfate and 10-30 parts of magnesium sulfate heptahydrate; and the magnesium-iron composite decoloring flocculating agent is prepared by the following formula which comprises the components in parts by weight: 5-30 parts of ferrous sulphate, 60-90 parts of magnesium sulfate heptahydrate and 0.1-5 parts of flocculation increasing agent. The water treatment agent can be used for waste water treatment of industrial waste water, especially in the leather industry, the fur industry and the textile printing and dyeing industry with serious pollution. When being used for sewage treatment, the water treatment agent has little investment, fast effect, good treatment effect and no secondary pollution; and the water treatment agent has low cost, and the production method is simple and convenient and has no pollution.

Description

technical field [0001] The invention relates to a new type of water treatment agent, which includes a new iron-magnesium composite decolorizing flocculant and its matching water quality regulator; the invention also relates to a preparation method of the water treatment agent, and the The application of water treatment agent in sewage treatment, especially in the treatment of acidic colored industrial wastewater. Background technique [0002] Sewage treatment, especially the treatment of heavily polluted leather, fur and textile wastewater has always been a problem that plagues the development of these industries. At present, the world's water treatment chemicals are developing in the direction of high efficiency, low toxicity, no secondary pollution, specialization, compounding, and multifunctionality. [0003] Traditional flocculants are divided into inorganic and organic. Inorganic flocculants mainly include polyaluminum chloride, ferric chloride, etc., while organic flo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04C02F1/52C02F1/66C02F103/30C02F103/24
Inventor 郑超斌郑红超王睿李郑坤
Owner 北京泛博科技有限责任公司
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