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Production process of high-efficiency and high-concentration polyaluminum ferric chloride sulfate

A technology for polymerizing aluminum-iron bis-acid and production process, which is applied in the fields of iron compounds, inorganic chemistry, water/sludge/sewage treatment, etc. It can solve the problems of high active ingredients and lack of promotion of liquid products, so as to improve the degree of polymerization Effect

Active Publication Date: 2017-04-19
蓝保(厦门)水处理科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the active ingredient of the solid product of polyaluminium-ferric acid is still higher than that of the liquid product, the water treatment effect of the solid product and the liquid product is about 1:3
Solid products are more cost-effective for long-distance transportation, so the market for liquid products is still not effectively promoted

Method used

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  • Production process of high-efficiency and high-concentration polyaluminum ferric chloride sulfate
  • Production process of high-efficiency and high-concentration polyaluminum ferric chloride sulfate

Examples

Experimental program
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Effect test

Embodiment 1

[0031]Step 1: Add an appropriate amount of water in an acid-resistant primary reaction kettle with a stirring device heated by steam, add 155 parts of industrial hydrochloric acid and 13 parts of 98% sulfuric acid according to the proportion under constant stirring, and add 56 parts of the hydrochloric acid solution at normal pressure and temperature. part of iron-containing bauxite powder, stirred until dissolved; then continue to heat up until the temperature of the reaction system is controlled at 105-125°C, and keep it under normal pressure for 5 hours; take samples for detection;

[0032] Step 2: Pump the primary feed liquid obtained in Step 1 into an acid-resistant polymerization secondary reaction kettle with a stirring device heated by steam, add an appropriate amount of water under constant stirring, and add 60 parts of calcium aluminate powder, and add During the process, the reaction self-heating is used to increase the temperature of the feed liquid. After the addit...

Embodiment 2

[0037] Step 1: Add an appropriate amount of water in an acid-resistant primary reaction kettle heated by steam with a stirring device, add 129 parts of industrial hydrochloric acid and 9 parts of 98% sulfuric acid according to the proportion under constant stirring, and add 40 parts of the hydrochloric acid solution at normal pressure and temperature. part of iron-containing bauxite powder, stirred until dissolved; then continue to heat up until the temperature of the reaction system is controlled at 105-125°C, and keep it under normal pressure for 4 hours; take samples for detection;

[0038] Step 2: Pump the primary feed liquid obtained in Step 1 into an acid-resistant polymerization secondary reaction kettle with a stirring device heated by steam, add an appropriate amount of water under constant stirring, and add 49 parts of calcium aluminate powder, and add During the process, the reaction self-heating is used to increase the temperature of the feed liquid. After the addit...

Embodiment 3

[0043] Step 1: Add an appropriate amount of water in an acid-resistant primary reaction kettle heated by steam with a stirring device, add 141 parts of industrial hydrochloric acid and 12 parts of 98% sulfuric acid according to the proportion under constant stirring, and add 47 parts of hydrochloric acid to the hydrochloric acid solution at normal pressure and temperature. part of iron-containing bauxite powder, stirred until dissolved; then continue to heat up until the temperature of the reaction system is controlled at 105-125°C, and keep it under normal pressure for 4.5 hours; sampling and testing;

[0044] Step 2: Pump the primary feed liquid obtained in Step 1 into an acid-resistant polymerization secondary reaction kettle with a stirring device heated by steam, add an appropriate amount of water under constant stirring, and add 56 parts of calcium aluminate powder, and add During the process, the reaction self-heating is used to increase the temperature of the feed liqui...

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Abstract

The invention discloses a production process of high-efficiency and high-concentration polyaluminum ferric chloride sulfate. The production process comprises the following steps: under a condition ofnot adding a large amount of technological equipment and other raw materials, extracting aluminum and ferric ions from ferric trihydrate alumina mineral powder by a sulfuric acid and hydrochloric aciddi-acid dissolving mode, performing polymerization reaction with calcium aluminate powder, and generating the high-efficiency and high-concentration liquid polymerized di-acid ferro-aluminum througha negative pressure synergic concentration process to replace a conventional solid product. The process is simple, practical and easy to operate; the water purification effect of the prepared high-efficiency and high-concentration liquid polymerized di-acid ferro-aluminum and the water purification effect of the conventional solid product is about 1 to 1; and the equipment investment is low, the cost performance of the raw materials is high, the production cost is greatly reduced, and the production process is suitable for industrial production.

Description

technical field [0001] The invention belongs to the technical field of production of polyaluminum iron bisacid, and in particular relates to a production process of high-efficiency and high-concentration polyaluminum iron bisacid. Background technique [0002] Polymerized aluminum iron bis-acid is a new type of high-efficiency water purifier, which combines the advantages of aluminum salt series and iron salt series high-efficiency water purifiers. It has high active ingredients, high basicity, high degree of polymerization, dense molecular chain network, It has the advantages of large structure, stronger adsorption and cohesion ability and better water purification effect in the process of water purification. It is an efficient, fast, low consumption, non-toxic and safe inorganic high-efficiency water purifier. [0003] At present, there are mainly two types of polyaluminum iron bisacids: liquid (total active ingredients of aluminum and iron ≥ 10.5%) and solid (total active...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C01G49/00
CPCC01G49/00C02F1/5245
Inventor 陈嘉宾吕奋勇王志巍吕奋志
Owner 蓝保(厦门)水处理科技有限公司
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