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Inline conversion measurements in chem. reactions are in general and esp. in polymn. reactions necessary for process monitoring and control. For polymn. monitoring, the sound propagation (UPV) can be related to the texture of the bulk with a high accuracy. ...
This paper is the second part of a description of the online monitoring through ultrasound propagation velocity measurements of styrene polymn. in a continuous recycle reactor. A set of calibrations and a simple math. model are proposed to interpret the ex ...
Industry requires continuously new chemical processes to convert raw materials to valuable products limiting the formation of by-products. Since a few years, an increasing interest has been given to the intensification of chemical processes. This represent ...
Ultrasound propagates through an elastic medium at a rate or speed named the ultrasound propagation velocity (UPV). This velocity is detd. by the rate at which the wave energy is transmitted, inversely related to the square root of the d. and compressibili ...
Adsorption to a chelating resin (Chelamine Std.) is a method for recovering heavy metals from wastewater contg. very light quantities of heavy metals (
A continuously operated reactor was developed for the limited hydrolysis of whey protein using sol. trypsin. It consisted of a stirred tank followed by a tubular device. A stirred tank was used because it allows pH control to be achieved more easily. The t ...
Non-uniform voltage distribution across the electrode area results in inhomogeneous thin-film RF plasma deposition in large-area reactors. In this work, a two-dimensional analytic model for the calculation of the voltage distribution across the electrode a ...
Arsenic redox cycling was examined in source waters of the Los Angeles Aqueduct, specifically at Hot Creek, a tributary of the Owens River. Elevated arsenic concentrations in Hot Creek result from geothermal inputs. Total arsenic and As(III) concentrations ...
Segmented flow comprising discrete volumes of a liquid reaction mixture separated by discrete volumes of immiscible fluid is passed through a tubular reactor for residence times sufficient to precipitate a powder product from the reaction mixture. USE-Manu ...
Monoclonal IgA antibodies have been produced by a hybridoma cell line grown in different bioreactors using serum-contg. and protein-free media in both basal and fortified versions. The effects of culture conditions on IgA prodn. and quality were studied us ...
