US Patent # 4,251,497. Method for measuring the basic . Method for measuring the basic amount in basic aluminum sulfate solution for removal of SO.sub.2 gas Abstract.
Method for sulphate removal from concentrated MgCl 2 solutions, where the solution is subjected to a high pressure nanofiltration process applying membranes having a dominantly negative surface charge.
Coelectrodeposition of aluminium and cadmium … Coelectrodeposition of aluminium and cadmium from aqueous solutions is shown to be ... It allows easy removal from ... of aluminium sulphate in sulphuric ...
A process for the removal and causticisation of sodium oxalate and/or sodium sulphate from a Bayer process liquor containing sodium carbonate and one or both of sodium oxalate and sodium sulphate in an alumina refinery is described.
A method of decomposing ettringite, to form amorphous aluminium trihydroxide, which includes the step of lowering a pH of a slurry containing ettringite to a value ...
The traces of calcium sulphate will ... References Cited in the file of this patent UNITED STATES PATENTS ... Process of producing soluble salts of aluminium ...
Aluminum sulfate | Al2S3O12 or Al2 ... aluminium sulphate: ... which is then easily reabsorbed and that aluminum removal by the body may be enhanced by preventing the ...
Alum (Aluminium Sulphate) ... Salinity Removal Technologies; Patent. ... Treatment of pulping effluents by using alum and clay - Colour removal and sludge ...
Coelectrodeposition of aluminium and cadmium … Coelectrodeposition of aluminium and cadmium from aqueous solutions is shown to be ... It allows easy removal from ... of aluminium sulphate in sulphuric ...
Alum (Aluminium Sulphate) ... Salinity Removal Technologies; Patent. ... Treatment of pulping effluents by using alum and clay - Colour removal and sludge ...
sulphate removal of acidic/sulphate-rich water to sulphate levels of less than 1 500 mg/l due to precipitation of magnesium and ... which is poly-aluminium-hydroxy
The present invention provides an antacid material based on magnesium aluminium hydroxide and a process for the preparation of an antacid material based upon magnesium aluminium hydroxide, wherein magnesium hydroxide and/or magnesium oxide is reacted with an aqueous solution of aluminium sulphate, in an atomic ratio of magnesium to aluminium of ...
Sulfate Removal Technologies: A Review. ... As a polishing step for sulfate removal, barium salts can be added to precipitate barium sulfate, ...
A process for the removal and causticisation of sodium oxalate and/or sodium sulphate from a Bayer process liquor containing sodium carbonate and one or both of sodium oxalate and sodium sulphate in an alumina refinery is described.
FLUORIDES REMOVAL TECHNOLOGY PATENT 2003 A 02590 has been used. ... The manufacturing firms of fertilizers, of aluminium and glass ,
Veolia Water Technologies has been awarded a patent for the recirculation of sludge for its sulphate removal technology, which is used primarily to treat wastewater from mining operations for discharge or reuse
FLUORIDES REMOVAL TECHNOLOGY PATENT 2003 A 02590 has been used. ... The manufacturing firms of fertilizers, of aluminium and glass ,
Aluminum Sulfate easily hydrolyzes to form insoluble precipitates which aid in removal of tiny particles that cannot be easily filtered and/or are too small to ...
Veolia Water Technologies has been awarded a patent for the recirculation of sludge for its sulphate removal technology, which is used primarily to treat wastewater from mining operations for discharge or reuse
The removal of sulphate from mine water by precipitation as ettringite and the utilisation of the ... Sulphate, nitrate, aluminium, ... Patent WO 2014/033361 A1 ...
The present invention provides a process for the preparation of an antacid material based upon magnesium aluminium hydroxide, wherein magnesium hydroxide and/or magnesium oxide is reacted in an atomic ratio of magnesium to aluminium of 1:1 to 3:1 with an aqueous solution of aluminium sulphate until the pH of the reaction mixture is from 4.0 to ...
Treatment of industrial effluents for neutralization and sulphate ... -oxidation process for the removal of fiee acid, iron and aluminium ... A patent on an ...
Removal of Aluminium ... is US patent pertaining to the removal of aluminum and ... sulphate in double distilled water and is made up to 1 lit. B: ...
Process for making sodium aluminum sulphate . United States Patent 2189179 ... which because of the removal of sodium aluminum sulphate therefrom now ...
POLYALUMINIUM CHLORIDE PACl, SODIUM HYDROXIDE NaOH, ... (aluminium sulphate) ... colour removal in a microfiltration-based water
Treatment of industrial effluents for neutralization and sulphate ... -oxidation process for the removal of fiee acid, iron and aluminium ... A patent on an ...
At Patents you can conduct a Patent Search, ... Removal of heavy metals with gamma dicalcium ... Examples of suitable salts are aluminium sulphate and a waste ...
Process for making sodium aluminum sulphate . United States Patent 2189179 ... which because of the removal of sodium aluminum sulphate therefrom now ...
Sulfate Removal Technologies: ... process of manufacturing aluminium sulphate. Patent US4160815 process for the manufacture of aluminum sulfate by the reaction of ...
PHOSPHORUS REMOVAL FROM MEAT PROCESSING WASTEWATER: INNOVATION IN ... aluminium sulphate), ... Removal From Meat Processing Wastewater: Innovation in Process ...
A New Coagulant for Potable and Wastewater Treatment A.K. Arnold-Smith, ... aluminium sulphate, ... have appeared in the patent lit ...
Sulphate removal from aqueous streams is by far one of the most difficult and onerous tasks in ... Patent; Standard; ... aluminium, analytical methods, chemical ...