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A nickel alloy for use in phosphoric acid production
An advanced high Cr 6Mo alloy is being increasingly used by producers of phosphoric acid. This paper reviews laboratory data and presents new field data as well as updates on equipment performance in operating phosphoric acid production plants. ...
Alloy selection for caustic soda service
Caustic soda and chlorine are co-produced by the electrolysis of a sodium chloride solution. This paper reviews criteria for materials selection, materials of construction, and provides a reference list. ...
Alloy selection in wet-process phosphoric acid plants
The performance of alloys depends to a large extent on an understanding and control of the impurities contained in the phosphate rock. The role of the intermediate Ni-Cr-Fe-Mo-Cu alloys in these systems has been given special emphasis, as they are flexible and more readily able to cope with changes in feedstock. ...
Alloys to resist chlorine, hydrogen chloride and hydrochloric acid.
The author first discusses the types of corrosion that can occur when handling chlorine, hydrogen chloride and hydrochloric acid, before looking at the suitability of various materials for these three media. ...
Metal dustring resistance of Ni-alloy in syngas environments
Long-term tests were conducted by Sumitomo on several iron and nickel base alloys to evaluate the metal dusting behavior upon cyclic heating and cooling. In addition, the resistance to SCC susceptibility in ammonia environments, the mechanical property, thermal stability and resistance to metal dusting corrosion of weldment are researched. Obtained results are as follows:...
Selection and performance of stainless steels and other nickel-bearing alloys in sulphuric acid.
Sulphuric acid is one of the most widely used industrial chemicals, In this paper, the author considers the manufacturing process, and then suggests suitable materials for each stage of production and distribution. ...
Stainless steels and nickel-bearing alloys in organic acids
The author considers the suitability of various materials for a range of common organic acids. He concludes that the performance of the various alloys largely depends on the characteristics of the contaminants contained in the organic acids and on operating temperatures. ...
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