Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of polyaluminum chloride and its clean production process

A technology of polyaluminum chloride and production process, which is applied in the field of water treatment and can solve problems such as discharge

Active Publication Date: 2021-06-08
HENGYANG JIANHENG IND DEV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of slag generated by lightly burning bauxite as raw material in the production process of polyaluminum chloride in the prior art, and waste gas, waste water and waste residue are discharged, the present invention provides a polyaluminum chloride and its clean production process. Light-burned bauxite is replaced by raw materials and pyrite slag, and the waste gas, waste water, and waste residue in the production process are greatly reduced and can be recycled

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of polyaluminum chloride and its clean production process
  • A kind of polyaluminum chloride and its clean production process
  • A kind of polyaluminum chloride and its clean production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The polyaluminum chloride of this embodiment includes the following raw materials in parts by weight: 3 parts of scab material, 0.5 part of pyrite slag, 20 parts of industrial hydrochloric acid, 8 parts of calcium aluminate powder, and 15 parts of water;

[0030] Among them, the scarring material is the scarring material produced in the production process of the alumina plant, and the pyrite cinder is the pyrite cinder produced in the sulfuric acid production process;

[0031] The clean production process of polyaluminum chloride in this example includes acidification reaction, polymerization, filter press, drum drying, acid mist absorption, steam-water separation, and waste gas treatment. The specific process is as follows:

[0032] Add parts by weight of water and industrial hydrochloric acid into the reaction tank while stirring, stir for 3 minutes, then add parts by weight of scab material and pyrite slag into the reaction tank under stirring, and then pass it into t...

Embodiment 2

[0035] The polyaluminum chloride of this embodiment includes the following raw materials in parts by weight: 9 parts of scab material, 2 parts of pyrite slag, 50 parts of industrial hydrochloric acid, 20 parts of calcium aluminate powder, and 50 parts of water;

[0036] Among them, the scarring material is the scarring material produced in the production process of the alumina plant, and the pyrite cinder is the pyrite cinder produced in the sulfuric acid production process;

[0037] The clean production process of polyaluminum chloride in this example includes acidification reaction, polymerization, filter press, drum drying, acid mist absorption, steam-water separation, and waste gas treatment. The specific process is as follows:

[0038]Add parts by weight of water and industrial hydrochloric acid into the reaction tank while stirring, stir for 10 minutes, then add parts by weight of scabbing material and pyrite slag into the reaction tank under stirring, and then pass it in...

Embodiment 3

[0041] The polyaluminum chloride of this embodiment comprises the following raw materials in parts by weight: 6 parts of scab material, 1.3 parts of pyrite slag, 35 parts of industrial hydrochloric acid, 14 parts of calcium aluminate powder, and 33 parts of water;

[0042] Among them, the scarring material is the scarring material produced in the production process of the alumina plant, and the pyrite cinder is the pyrite cinder produced in the sulfuric acid production process;

[0043] The clean production process of polyaluminum chloride in this example includes acidification reaction, polymerization, filter press, drum drying, acid mist absorption, steam-water separation, and waste gas treatment. The specific process is as follows:

[0044] Add parts by weight of water and industrial hydrochloric acid into the reaction tank while stirring, stir for 7 minutes, then add parts by weight of scabbing material and pyrite slag into the reaction tank under stirring, and then pass it...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a polyaluminum chloride and a clean production process thereof, and relates to the technical field of water treatment. The polyaluminum chloride of the present invention includes the following raw materials: scabbing material, pyrite slag, industrial hydrochloric acid, calcium aluminate powder, water; the clean production process of polyaluminum chloride includes: acidification reaction, polymerization, press filtration, drum drying , including acid mist absorption, steam-water separation, and waste gas treatment; the present invention utilizes scab material and pyrite slag as substitute raw materials for light-burned bauxite, which not only can significantly enhance the water purification effect of polyaluminum chloride products, but also Less waste residue is produced, which avoids the problems of waste of resources and environmental pollution caused by traditional light-burned bauxite raw materials. The clean production process of polyaluminum chloride of the present invention can recycle waste gas, waste water and waste residue during the production process. The filter press residue, waste water, and waste gas are utilized as resources, and there is no waste residue, waste water, and waste gas discharge, which is efficient, green, and environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a polyaluminum chloride and a clean production process thereof. Background technique [0002] Coagulation is an essential treatment step in industrial water treatment, and coagulants play a key role in the coagulation process. At present, polyaluminum chloride is the inorganic polymer coagulant with the largest output and sales volume in the country, and it is also the water treatment agent with the largest output and sales volume in the country. my country's polyaluminum chloride manufacturers are mainly concentrated in Henan, Shandong, Hunan, Guangxi and other provinces. According to incomplete statistics, the national output of polyaluminum chloride has reached more than 3 million tons, and the number of manufacturers is nearly 500. [0003] In the prior art, the production process of polyaluminum chloride mainly uses light-burned bauxite to react with hydrochloric ac...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C01F7/60C02F1/52
CPCC01F7/60C02F1/5245
Inventor 何朝晖何青峰姜龙蛟刘晓菲高力
Owner HENGYANG JIANHENG IND DEV