Technology for the production of paper filler based on silica gel-waste from the production of fluoride salts

Applications: paper and cardboard production

Brief essence of the development: the technology provides for the processing of silica gel with a suspension of quicklime followed by filtration on a drum vacuum filter

Main advantages: obtaining filler based on local raw materials, disposal of toxic production waste

Specifications:

White,%90-92
pH of the aqueous extract6-7.5
Average particle size of filler, μm20-25

Form of protection of intellectual property: applications for inventions a20100727 dated May 13, 2010, a20100865 dated June 3, 2010, and 0101046 dated July 8, 2010

Significance for the Republic of Belarus: Import substitution, complete disposal of toxic production waste

Economic indicators: the estimated cost of the filler is 120 thous. RUB / t

Commercial offer: sale of technical specifications and regulations for the production of filler