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Multielement polyphosphate ferric chloride coagulant and preparation method thereof

A polyphosphorus ferric chloride and coagulant technology, which is applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problems of sediment generation, poor water purification ability, and difficult storage of products, and achieves fast hydrolysis reaction and mixing. Excellent coagulation performance, solve the effect of difficult and stable storage

Inactive Publication Date: 2014-07-30
JIASHAN LVYE ENVIRONMENTAL PROTECTION MATERIAL FACTORY
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AI Technical Summary

Problems solved by technology

However, these coagulants still have the following problems: 1. The water purification ability is poor; 2. The product produces sediment during storage; 3. The product with high concentration is not easy to store stably

Method used

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  • Multielement polyphosphate ferric chloride coagulant and preparation method thereof
  • Multielement polyphosphate ferric chloride coagulant and preparation method thereof

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Experimental program
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Effect test

Embodiment Construction

[0019] The technical characteristics of the present invention will be further elaborated below in conjunction with specific embodiments.

[0020] The embodiment of the present invention adopts following process formula:

[0021] 180 parts of hydrochloric acid washing solution for steel products, 100 parts of iron powder, 300 parts of hydrochloric acid, 395 parts of water, 10 parts of sodium chlorate oxidizing agent, 5 parts of additives, 5 parts of trisodium phosphate, 5 parts of yam glue, etc.

[0022] Experimental report on coagulation effect contrast of coagulant of the present invention and other similar products

[0023] 1. Experiment date: 2012.11.12

[0024] 2. Raw water for test: Raw water temperature of Hongxi Wastewater Treatment Plant: 7°C, COD Cr : 2315.6mg / L.

[0025] 3. Test samples: Table 1

[0026] sample density content% Basicity% Manufacturer poly aluminum chloride 1.241 10.34 (Al 2 o 3 ) 80.62 Jiashan Lvye Environmental Pro...

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Abstract

The invention discloses a multielement polyphosphate ferric chloride coagulant and a preparation method thereof. The coagulant consists of the following raw materials by weight: 180 parts of steel hydrochloric acid washing liquid, 100 parts of iron powder, 300 parts of hydrochloric acid, 395 parts of water, 10 parts of a sodium chlorate oxidation agent and 5 parts of an auxiliary agent, 5 parts of trisodium phosphate and 5 parts of yam glue. The invention has the following advantages: a novel product added with the organic natural flocculant has water purification capacity increased by 5-10% than usual poly ferric chloride; and the novel product added with phosphate delays hydrolysis reaction of Fe<3+>, prevents generation of sediment, and solves the weakness of unstable storage of a high-concentration old product, so as to ensure the stability of the product.

Description

technical field [0001] The invention relates to a novel coagulant, in particular to a multi-component polyphosphorous ferric chloride coagulant and a preparation method thereof, belonging to the technical field of coagulants. Background technique [0002] With the improvement of people's requirements for the quality of living environment and the aggravation of water pollution, on the one hand, the water consumption and grade are increasing and comprehensively improved, while on the other hand, the polluting water shortage is becoming more and more serious. [0003] Therefore, the purification treatment of drinking water and wastewater has been highly valued, and coagulation and sedimentation treatment is currently one of the most widely used water purification treatment methods. Coagulants are mainly used for the purification of drinking water and industrial wastewater, and the treatment of special water quality (such as oily sewage, printing and dyeing papermaking sewage, s...

Claims

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Application Information

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IPC IPC(8): C02F1/52
Inventor 俞明华阮忠强陈凤金
Owner JIASHAN LVYE ENVIRONMENTAL PROTECTION MATERIAL FACTORY
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