tailieunhanh - Ebook Encyclopedic dictionary of named processes in chemical technology: Part 1

(BQ) Encyclopedic dictionary of named processes in chemical technology provides a single-source reference on an extensive array of named processes. It provides concise descriptions of those processes in chemical technology that are known by special names that are not self-explanatory. | Comyns, Alan E. “Dictionary.” Encyclopedic Dictionary of Named Processes in Chemical Technology Ed. Alan Boca Raton: CRC Press LLC, 2000 A Aachen See DR. A-B [Adsorptions-Belebsungsverfahren, German, meaning Adsorption-Activation process] A two-stage *Activated Sludge process for treating sewage and industrial wastes. The first stage (A) is highly loaded, the second (B) is low loaded. Such a system can cope with sudden changes in the quantity and quality of effluent feed. Developed in 1983 by B. Bohnke at the Technical University of Aachen and subsequently engineered by Esmil, UK. Horan, N. J., Biological Wastewater Systems, John Wiley & Sons, Chichester, England, 1990, 69. Gray, N. F., Activated Sludge: Theory and Practice, Oxford University Press, Oxford, 1990, 110. ABATE A process for removing hydrogen sulfide from sour gases such as landfill gas. The gas, containing oxygen in addition to the hydrogen sulfide, is passed through water containing an iron chelate compound, which oxidizes the hydrogen sulfide to elemental sulfur. Dispersants keep the sulfur in suspension until its concentration reaches 10 percent. Developed by Dow Chemical, derived from the Dow/Shell *SulFerox process. Chem. Eng. (.), 1996, 103(11), 19. Abbot-Cox A method of applying vat dyes to cellulosic textiles in package form. The dispersed dye, with a dispersing agent, is circulated through the package. The dye becomes substantially transferred to the material by the gradual addition of an electrolyte such as sodium sulfate. When the dye has been transferred to the fabric, it is reduced in situ. The color is restored by a mild oxidizing agent such as hydrogen peroxide. Fischer-Bobsien, ., Internationales Lexicon Textilveredlung+Grenzgebiete, Rhenus Handelsgesellschaft, Vadus, Liechenstein, 1966, 1123. ABC Also called Chiyoda ABC. A process for treating heavy hydrocarbons from tar sands by *hydrocracking. Piloted by the Chiyoda Chemical Engineering and Construction Company

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