Science & Technology in Chemical Industry
About: Science & Technology in Chemical Industry is an academic journal. The journal publishes majorly in the area(s): Diesel fuel & Catalysis. Over the lifetime, 119 publication(s) have been published receiving 270 citation(s).
TL;DR: The plasma diagnostic techniques in plasma science were reviewed from the aspects of probe, spectral analysis, mass spectrum, energy spectrum, and so on.
Abstract: In this paper,The plasma diagnostic techniques in plasma science were reviewed from the aspects of probe, spectral analysis, mass spectrum, energy spectrum, and so on. Up-to-date applications of plasma diagnostic techniques in plasma chemistry were summarized?
Abstract: The supercritical water has some special characteristics that common water has no, and it can mix with oxygen with any ratio and offer solvent condition of SCWO reaction. It is a new research aspect to apply the SCWO technology on environmental protection. The technology has rapid development in recent years because of its many advantages such as low cost, good speed and high efficiency in disposing of wastes. The paper introduces the characteristics of supercritical water and the principles of SCWO, and reviews the applications of SCWO technique in treating poison organic wastes, downflow sludge and human metabolism, and point out the problems of SCWO during the research, and finally the application progresses in industry are introduced.
TL;DR: In chemical industries, hydroxynitrile lyase is used as an important industrial biocatalyst for the synthesis of chiral cyanohydrins by exploiting the reversible enzymatic reaction.
Abstract: Hydroxynitrile lyases are the versatile group of enzymes,which play a significant defensive role in plant system against microbial attack. In chemical industries, hydroxynitrile lyase is used as an important industrial biocatalyst for the synthesis of chiral cyanohydrins by exploiting the reversible enzymatic reaction. Cyanohydrins are biologically active compounds used in synthesis of β-amino alcohols, a-hydroxy ketones anda-hydroxy acids, which have importance as fine chemicals, Pharmaceuticals and agrochemicals. Protein engineering and site directed mutagenesis have been used to change the active site and alter the substrate specificity of various ydroxynitrile lyases. Many recombinant hydroxynitrile lyases have been expressed in Escherichia coli, Saccharomyces cerevisiae and Pichia pastoris.
Abstract: With the gradual strictness of the environmental laws,the requirement for the quality of gasoline is getting higherIt has resulted in a continuing world wide effort to reduce sulfur levels in gasolineThe reducing of gasoline sulfur is considered to be an effective means for improving air qualityThe desulfurization technology has become a key technology in various oil refinery enterprisesSulfur compounds in gasoline come mainly from FCC(Fluid Catalytic Cracking),so research and development of FCC gasoline desulfurization technology are very importantAt present,technologies of reducing sulfur content of FCC gasoline include FCC raw oil hydrodesulfurization,FCC gasoline hydrodesulfurization,solvent extraction desulfurization,catalytic cracking desulfurization,oxidative desulfurization,biodesulfurization,and adsorption desulfurizationThe paper reviews advances in FCC gasoline desulfurization technologies at home and abroad
Abstract: Fracturing liquid contains lots of organic additive,complicated composition,high COD,difficult to handle.This experiment research object is water-based fracturing fluid from a petrochemical company effluent treatment plant,on the basis of the analysis on the water characteristics,putting forward preoxidation-coagu-flocculation-ozone deeply oxidation composite process.The results show that after preoxidation-coagu-flocculation treatment,the CODOH-KI removal is 82.3%,then using ozone for deeper oxidation,CODOH-KI removal is 86.5%,fracturing Liquid has a good treatment effect.
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