US Patent Application for METHOD FOR ... - Justia Patents Search
More specifically, the present invention relates to a process for production of polyaluminium chloride solution, which process comprises mixing hydrogen chloride with, and bringing it to react...
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US20100061919A1 - Production of polyaluminum chloride ... - ...
A method is provided for the production of a stable mid- and high-basicity polyaluminum chloride and polyaluminum chlorosulfate, respectively from sodium aluminate and aluminum chloride or low-...
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US-6036935-A - Polyaluminum Chlorides and ... - Unified Patents
The present invention is directed to a process for the production of polyaluminum chlorides and polyaluminum chlorosulfates useful as coagulants in water treatment. In addition, the invention is directed to the products made by the disclosed processes.
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Polyaluminium chloride preparation method - Google Patents
Search specific patents by importing a CSV or list of patent publication or application numbers. The invention relates to a polyaluminium chloride preparation method, which belongs to the...
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US Patent Application for PRODUCTION OF POLYALUMINUM ...
The present invention relates to a process for the production of polyaluminium salts, preferably polyaluminium sulphate and polyaluminium chloride, and derivatives thereof, from aluminium containing raw materials and acids, wherein microwaves are used for
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US Patent Application for Treatment of polyaluminium compoun ...
Justia Patents Removing Specified Material US Patent Application for Treatment of polyaluminium compounds Patent Application (Application #20030089661) Treatment of polyaluminium compounds Oct 29, 2002 - AKZO NOBEL N.V.
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... cost-effective preparation method of polyaluminium chlo ...
EP0769473B1 EP96402174A EP96402174A EP0769473B1 EP 0769473 B1 EP0769473 B1 EP 0769473B1 EP 96402174 A EP96402174 A EP 96402174A EP 96402174 A EP96402174 A EP 96402174A EP 0769473 B1 EP0769473 B1 EP 0769473B1 ferric sulfate we can also mention basic aluminum sulfates and basic aluminum chlorosulfates such as those described in French patent application FR 2 418 297 or those forming the subject ...
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Method for producing polyaluminium chloride - Google Patents ...
The invention relates to a method for producing polyaluminium chloride, which comprises the following steps: adding aluminum-containing waste residue into solution of hydrochloric acid and reacting at 90 to 120 DEG C and under a normal pressure for 3 to 5 hours ...
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... cost-effective preparation method of polyaluminium chlo ...
Polyaluminium Chloride - Process, Properties and Functions, Applications, Patent, Consultants, Company Profiles, Reports, Market Information Brief Contents on the CD Rom Aluminium chlorohydrate is a group of salts having the general formula AlnCl(3n-m ...
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Method for producing polyaluminium chloride - Google Patents ...
The invention relates to a method for producing polyaluminium chloride, which comprises the following steps: adding aluminum-containing waste residue into solution of hydrochloric acid and reacting at 90 to 120 DEG C and under a normal pressure for 3 to 5 hours ...
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Polyaluminium Chloride - Process, Properties and Functions ...
Polyaluminium Chloride - Process, Properties and Functions, Applications, Patent, Consultants, Company Profiles, Reports, Market Information Brief Contents on the CD Rom Aluminium chlorohydrate is a group of salts having the general formula AlnCl(3n-m ...
Get Price... cost-effective preparation method of polyaluminium chlo ...
Transfer of patent application or patent right or utility model 2011-08-17 TR01 Transfer of patent right Effective date of registration: 20110712 Address after: 529000 No. two, 10, port, Guangdong, Jiangmen Patentee after:
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Preparing Method of Polyaluminium Chloride - Google Patents ...
폴리염화알루미늄 무기 응집제의 제조방법{Preparing Method of Polyaluminium Chloride} {Preparing Method of Polyaluminium Chloride} 본 발명은 폴리염화알루미늄 무기 응집제의 제조방법에 관한 것으로, 특히 고염기도 PAC 응집제를 Al 2 O 3 농도 15% 이상의 고농도로 단일 공정으로 제조하는 방법에 관한 것이다.
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Application of Polyaluminium Chloride Coagulant in Urban ...
Polyaluminium Chloride - Process, Properties and Functions, Applications, Patent, Consultants, Company Profiles, Reports, Market Information Brief Contents on the CD Rom Aluminium chlorohydrate is a group of salts having the general formula AlnCl(3n-m ...
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... cost-effective preparation method of polyaluminium chlo ...
of polyaluminium chloride (PAC) coagulant agent: Characterization and comparative application for water/wastewater … ARTICLE in DESALINATION · NOVEMBER 2009 Impact Factor: 3.96 · DOI: 10.1016 ...
Get PricePolyaluminium Chloride | PDF | Water Purification - Scribd
This document provides information about a polyaluminum chloride (PAC) production process. It describes the advantages of the proposed improved PAC process over conventional processes, including producing PAC with higher concentrations and basicity. The key products are an 18% Al2O3 PAC and a 9% Al2O3 PAC. A typical plant would produce 30,000 tons of PAC per year. The process involves reacting ...
Get PriceProduction method for polyaluminum chloride - Google Patents ...
The invention relates to a production method for polyaluminum chloride. According to the method, bauxite and calcium aluminate powder are used as main raw materials. The method comprises the following concrete steps: (1) heating 0.8 to 1.3 tons of hydrochloric ...
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Production method of polyaluminium chloride - Google Patents ...
Polymerize aluminum chloride (PAC) is a kind of inorganic polymer flocculant efficiently in water treatment, and chemical general formula is [Al 2 (OH) n Cl 6-n] m, mainly the mechanism effect such as catch by compressing bilayer, absorption charge neutrality, adsorption bridging, throw out net, make in the water trickle suspended particles and colloidal particle takes off surely, gathering ...
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A process for producing polyaluminium chloride - Google Pate ...
the present invention relates to a process for production of polyaluminium chloride solution, which process comprises mixing hydrogen chloride with, and bringing it to react with, under heating, aluminium hydroxide and a sulphate-containing press cake, whereby at least part of said reaction is carried out at overpressure, and that said part is heated to a temperature above the upper limit of ...
Get Priceolyaluminium Chloride: Key Chemical for Water Purification
295138073 - EP 0884278 A1 19981216 - A process for producing polyaluminium chloride - A process for production of polyaluminium chloride solution, which process comprises mixing hydrogen chloride with, and bringing it to react with, under heating, aluminium ...
Get PricePolyaluminium Chloride(PAC) water treatment agents for ...
PAC Applications Drinking water and sanitary sewage. Industrial water, industrial waste water, mine and water for oilfield injection, chemical waste water in industry of paper-making, metallurgy, washed coal and leather. Industry and makes waste water recyclable ...
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Polyaluminium Chloride and Anionic Polyacrylamide Water ...
APPLICATION NOTE 4.07.01 PURE WATER TREATMENT BY CHEMICAL w w w . k p a t e n t s . c o m POLYALUMINIUM CHLORIDE PACl, SODIUM HYDROXIDE NaOH, SODIUM HYPOCHLORITE NaOCl Typical end products Drinking water, medical
Get Price(PDF) The use of polyaluminium chloride for removing colour, ...
The present invention is precisely in order to the production of a kind of simple, the easy-operating high-purity polyaluminium chloride for solving the above problems and proposing Method, with aluminium hydroxide, calcium aluminate powder and industrial synthesis ...
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... - Preparation method of high basic polyaluminium chlori ...
A method for preparing high basic polyaluminum chloride is provided to reduce a used amount of a coagulant and to improve turbidity and removal of organic substances and floating matters. A method includes the steps of: mixing 10 to 49.5 wt% of aluminum ...
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Application Prospect of Polyaluminium Chloride in Pipeline ...
Application of Polyaluminium Chloride (PAC) in Wastewater Treatment. China Resources Comprehensive Utilization, 2011, 29(09): 51-53. [2] Luting Pan, Yubao Shu, Jian Wang, Lei Wu.
Get PriceWhat is a polyaluminium chloride preparation method?
The invention relates to a polyaluminium chloride preparation method, which belongs to the chemical field. The polyaluminium chloride comprises the following components by weight: 100-120 parts of bauxite, 150-180 parts of 20-30% of hydrochloric acid, 60-80 parts of calcium aluminate and 20-30 parts of calcium carbonate.
What is polyaluminium chloride (PAC)?
According to EP 181 847, the finished product obtained is a saturated solution of polyaluminium chloride containing about 5.5-6 % by weight of aluminum at the most.; it is indicated in the patent specification that PAC containing more than about 6 % by weight of aluminum gives an unstable product that easily crystallises.
What is the abbreviation for polyaluminium chloride solution?
Below "polyaluminium chloride solution" is abbreviated "PAC". EP 181 847 discloses a process of the same general kind as that of the present invention.
How PAC is used in pulp & paper industry?
PAC:s are also used in the pulp and paper industry. The problem to be solved by the present invention is thus to provide a process for production of a stable PAC from aluminum hydroxide, press cake and hydrogen chloride, which PAC contains more than about 6 % by weight of aluminum, and to provide such a stable PAC.
How to prepare poly Aluminium chloride?
1. a preparation method for poly aluminium chloride, is characterized in that, by weight, comprises hydrochloric acid 150-180 part, calcium aluminate 60-80 part, calcium carbonate 20-30 part of bauxitic clay 100-120 part, 25-30%, comprises the following steps: (1), by bauxitic clay calcination 0.5-2h at 1200-1500 ℃, pulverize;
How Bauxite is used to prepare polyaluminium chloride?
According to the invention, bauxite is taken as a raw material to prepare polyaluminium chloride, the cost is low, and the prepared polyaluminium chloride has high degree polymerization and good adsorption effect. The invention belongs to chemical field, be specifically related to a kind of preparation method of poly aluminium chloride.
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