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Polyaluminum chloride water purifying agent containing rare earth element and preparation method thereof

A technology of polyaluminum chloride and rare earth elements, applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of general water purification effect of water purifiers and ineffective turbidity removal effect , Unfavorable water quality utilization and other issues, to achieve the effect of improving the effect, improving the turbidity removal rate, and enhancing the turbidity removal rate

Inactive Publication Date: 2019-02-01
湖南贵友新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water purification effect of this water purifier is average, and the effect on the turbidity removal rate of water is not obvious and it is easy to consume a large amount of alkali in the water, which is not conducive to the utilization of water quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A polyaluminum chloride water purifying agent containing rare earth elements, comprising: 60 parts of aluminum chloride block, 30 parts of bauxite, 10 parts of hydrochloric acid, 10 parts of sodium hydroxide, 10 parts of erbium soil, calcium chloride 5 servings.

[0023] Described a kind of polyaluminum chloride water purifying agent containing rare earth element, its preparation method is as follows:

[0024] (1) Place the aluminum chloride block in the grinding tank for grinding, grind it into powder, and then grind and mix it with bauxite and calcium chloride for use;

[0025] (2) Put hydrochloric acid with a mass concentration of 10%-30% and the mixed powder of bauxite, calcium chloride and aluminum chloride in (1) into a reaction kettle with a pressure of 0.5Mpa, and stir while stirring Reactor is heated until temperature is raised to 110 °, and this process continues for 2 hours;

[0026] (3) Pass the mixture in (2) into nitrogen, and then perform cooling treatm...

Embodiment 2

[0031] A polyaluminum chloride water purifying agent containing rare earth elements, comprising: 80 parts of aluminum chloride block, 50 parts of bauxite, 15 parts of hydrochloric acid, 15 parts of sodium hydroxide, 15 parts of erbium soil, calcium chloride 10 servings.

[0032] Described a kind of polyaluminum chloride water purifying agent containing rare earth element, its preparation method is as follows:

[0033] (1) Place the aluminum chloride block in the grinding tank for grinding, grind it into powder, and then grind and mix it with bauxite and calcium chloride for use;

[0034] (2) Put hydrochloric acid with a mass concentration of 10%-30% and the mixed powder of bauxite, calcium chloride and aluminum chloride in (1) into a reaction kettle with a pressure of 0.5Mpa, and stir while stirring Reactor is heated until temperature is raised to 110 °, and this process continues for 2 hours;

[0035] (3) Pass the mixture in (2) into nitrogen, and then perform cooling treat...

Embodiment 3

[0040] A polyaluminum chloride water purifying agent containing rare earth elements, comprising: 100 parts of aluminum chloride block, 65 parts of bauxite, 25 parts of hydrochloric acid, 25 parts of sodium hydroxide, 25 parts of erbium soil, calcium chloride 15 servings.

[0041] Described a kind of polyaluminum chloride water purifying agent containing rare earth element, its preparation method is as follows:

[0042] (1) Place the aluminum chloride block in the grinding tank for grinding, grind it into powder, and then grind and mix it with bauxite and calcium chloride for use;

[0043] (2) Put hydrochloric acid with a mass concentration of 10%-30% and the mixed powder of bauxite, calcium chloride and aluminum chloride in (1) into a reaction kettle with a pressure of 0.5Mpa, and stir while stirring Reactor is heated until temperature is raised to 110 °, and this process continues for 2 hours;

[0044] (3) Pass the mixture in (2) into nitrogen, and then perform cooling trea...

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PUM

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Abstract

Relating to the technical field of water purifying agents, the invention discloses a polyaluminum chloride water purifying agent containing a rare earth element and a preparation method thereof. The polyaluminum chloride water purifying agent containing a rare earth element comprises the following components by weight: 80-100 parts of an aluminum chloride block, 30-65 parts of bauxite, 10-25 partsof hydrochloric acid, 10-25 parts of sodium hydroxide, 10-25 parts of erbium soil and 5-15 parts of calcium chloride. The added rare element erbium can enhance the ductility of alum in water, thus enhancing the turbidity removal rate of wastewater and reducing the consumption of alkali in water, and part of calcium chloride can better stimulate erbium to play a more obvious role. In general, therare element Erbium can improve the turbidity removal rate of wastewater and reduce the alkali consumption in water, and calcium chloride can further improve the effect of erbium element in the polyaluminum chloride water purifying agent.

Description

technical field [0001] The invention relates to the technical field of water purifiers, in particular to a polyaluminum chloride water purifier containing rare earth elements and a preparation method thereof. Background technique [0002] Aluminum and iron polymer inorganic polymer water purifiers are a new type of chemical industry researched and developed from the 1970s to the 1990s, which has played a great role in improving people's quality of life and improving the environment. There are many types of water purifiers, and the production processes are different. Polyaluminum chloride is a water purification material, inorganic polymer coagulant, also referred to as polyaluminum, English abbreviation is PAC, the molecular weight produced due to the bridging effect of hydroxide ions and the polymerization of polyvalent anions Larger, higher charge inorganic polymer water treatment agent. It can be divided into solid and liquid in form. The solid can be divided into brow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00
CPCC02F1/00
Inventor 廖明忠罗小舟
Owner 湖南贵友新材料科技股份有限公司
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