Extraction of Valuable Components From Alumosilicate Natural and Technogenic Materials Under Alumina Production by Sintering

Shepelev, I. I.; Sakhachev, Aleksey; Zhyzhaev, Anatoly M.; Dashkevich, R. Ya.; Golovnykh, N. V.

doi:10.21285/1814-3520-2018-4-202-214

Cited by 2 publications

(1 citation statement)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Aluminium industry is one of the largest in Russian non-ferrous metallurgy; "RUSAL" activity is aimed at extraction of bauxite, alumina refining, and primary aluminum production, as well as powders and alloys on its basis. Company emploees together with scientists improve electrolysis technologies of alumina-cryolite melts for achieving high technical and economical indexes [2,3], expansion of the raw material base [4,5] and environmental improvement [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Ways of Solving the Ecological Problem of Alluminium Smelting Hard Waste Disposa

Somov¹,

Nemchinova²,

Tyutrin³

2019

Proceedings of the VIII Science and Technology Conference “Contemporary Issues of Geology, Geophysics and Geo-Ecology of the No

View full text Add to dashboard Cite

Chemical composition and main physical-chemical characteristics (apparent density, electrical resistivity, thermal conductivity, compression strength) carbon cathode block samples of spent lining for aluminium electrolysis unit produced by OJSC "RUSAL Krasnoyarsk"; it is shown that to increase the bath service life it is necessary to form a crust to decrease alumina-cryolite melts penetration into electrolysis carbon cathode blocks which will reduce environmental impact.

show abstract

Section: Introductionmentioning

confidence: 99%

Ways of Solving the Ecological Problem of Alluminium Smelting Hard Waste Disposa

Somov¹,

Nemchinova²,

Tyutrin³

2019

Proceedings of the VIII Science and Technology Conference “Contemporary Issues of Geology, Geophysics and Geo-Ecology of the No

View full text Add to dashboard Cite

show abstract

Development of Alumina Production Technology by sintering of TPP Waste

Fomina

Vlasova

2020

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

Russia is experiencing a steady shortage of raw materials for the production of alumina, and therefore, the search for unconventional cheap raw materials for its production is very relevant.In this paper, we consider two types of raw materials for the alumina production -ash and slag waste from CHPP-9 (Angarsk) and New Irkutsk CHPP (Irkutsk) PJSC “Irkutskenergo”, and wet magnetic separation tails obtained after the separation of iron-containing components.Laboratory studies were conducted on the sintering of the charge from ash and slag waste, tailings of wet magnetic separation with limestone and soda.Self-moldering sinter obtained; the recovery of alumina from them during leaching was 87% forNew Irkutsk CHPP and 83% for CHPP-9. The optimal conditions of experiments on sintering samples of ash-and-slag materials were determined.Two-stage desiliconization and carbonization of sinter leaching solutions, and calcination of aluminum hydroxide experiments were carried out.Alumina, corresponding in composition to metallurgical alumina (alumina content of 97,77%) was obtained.The technological scheme of alumina production from ash and slag waste of thermal power plants of the Irkutsk region is proposed.

show abstract

Extraction of Valuable Components From Alumosilicate Natural and Technogenic Materials Under Alumina Production by Sintering

Cited by 2 publications

References 0 publications

Ways of Solving the Ecological Problem of Alluminium Smelting Hard Waste Disposa

Ways of Solving the Ecological Problem of Alluminium Smelting Hard Waste Disposa

Development of Alumina Production Technology by sintering of TPP Waste

Contact Info

Product

Resources

About