Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for preparing polyaluminium chloride through catalyst of deposed molecular sieve

A technology of polyaluminum chloride and waste molecular sieve, applied in aluminum chloride, aluminum halide and other directions, can solve the problems of high production cost, low production efficiency, long production cycle, etc., and achieves low production cost, short production cycle, and improved aluminum The effect of content

Active Publication Date: 2005-10-26
CCTEG SHENYANG RES INST
View PDF2 Cites 20 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its production cycle is too long, and it takes 24 to 72 hours for the aging reaction alone, so the production efficiency is low and the production cost is high

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Take 80 grams of spent molecular sieve catalyst and 250 grams of 20% hydrochloric acid, add them into the reactor at the same time, and heat to reflux for 2.5 hours. Add 26 grams of calcium aluminate powder into the container, heat and reflux for 0.5 hour, and filter after the reaction. Pour the filtrate into the aging reactor, add 25 grams of calcium carbonate powder to the filtrate, keep the aging reaction at 65° C. for 1 hour, and obtain the final product. The aluminum oxide content of the product is 10.5%, and the basicity is 75%, both of which meet the national standards.

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 present invention discloses a method for preparing aluminium polychloride by utilizing waste molecular sieve catalyst. Said method includes the following steps: A. adopting catalytic cracked waste molecular sieve catalyst of oil refinery and adding hdyrochloric acid, making them react to prepare aluminum chloride solution; B. adding calcium aluminate into the above-mentioned aluminium chloride solution to coarsely regulate basicity; and C. adding calcium carbonate into aluminium polychloride with low basicity, regulating basicity of product, and curing so as to obtain the aluminium polychloride with high basicity.

Description

Technical field: [0001] The invention relates to a production method for preparing polyaluminum chloride by using a waste molecular sieve catalyst. The invention belongs to the technical field of preparing inorganic macromolecule flocculants by utilizing waste molecular sieves of oil refineries. Background technique: [0002] Polyaluminum chloride, also known as basic aluminum chloride. It is an inorganic polymer flocculant with good water purification effect, and it is one of the most widely used and sold largest flocculants in water treatment engineering. Its general formula is [Al 2 (OH) n Cl 6-n ] m In the formula, 1≤n≤5, m≤10. Compared with traditional flocculants, polyaluminum chloride has the characteristics of fast floc formation, fast precipitation, wide application range, significantly improved water purification efficiency, reduced dosage, and reduced operating costs. In addition, polyaluminum chloride can also be used in papermaking, precision casting, adv...

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
IPC IPC(8): C01F7/56
Inventor 毛欣聂雅玲车仁智杨进邹积杉张杰
Owner CCTEG SHENYANG RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com