The prevention and control measures must be taken,because SO 2 brougt in thecourse of nonferrous metallurgy does much harm to industrial workers. Active coal absorption isone of practical and effective measurents,which worths studying furthermore.
The article discusses the principle,the process circuit,the main equipment and the process practise of the Cl_2 containing tail gas treatment of nonferrous metallurgy——torrential rinsing and spray washing with sodium hydroxide solution.
With the coming of the new century,Jiulongpo district of Chongqing city has seen an overall so- cial development and has established industry groups with the leading industry of traffic,electric mechanical engineering and nonferrous metal smelting treatment by making use of the other advanced economy circle in Chongqing city and the economy corridor of Chengdu and Chongqing,applying“hi-tech strategy,urbaniza- tion strategy and urban agriculture strategy”.
Supply has increased at an even greater pace as sulfur recovered from oil and gas refining, and from nonferrous metal smelting has displaced voluntary production of sulfur from Frasch mining and pyrites production.
This paper has studied the methods used to treat the Ammonia-Nitrogen wastewater in nonferrous metal refinery industry. These kinds of methods, blow-off method, ion exchange treatment, adsorption treatment and chemical precipitation method are introduced exhaustively. Comparisons of their advantages and disadvantages have been made.
The method is intended for determining the content of cobalt(II) in purification of a zinc sulfate solution to remove impurities and for ecological monitoring of wastewater produced at nonferrous metallurgy plants.
Naboichenko, S.S., Myamchenkov, S.V., and Karelov, S.V., Mysh'yak v tsvetnoi metallurgii (Arsenic in nonferrous metallurgy), Nab
The technology is waste-free including a new method of dehydration of the sediment that forms and which may be employed, in particular, in nonferrous metallurgy or the production of facing plates.
The influence of integration processes in nonferrous metallurgy on costs and prices of enterprises
Based on the results of studies on the main tendencies in the development of world and Russian nonferrous metallurgy, the influence of these factors on costs and prices is analyzed.