Research Abstracts

Hydrolysis of pectins extracted from sugar beet, black currant, and red currant were studied by Aspergillus niger polygalacturonase enzyme and strong product inhibition was found. A thermostated membrane bioreactor was applied for the reaction to avoid inhibition and vacuum was used in the permeate

Transport of basic amino acids during the electrodialysis is studied and the procedures of their recovery from various mixtures are suggested. Peculiarities of basic amino acids transfer through the ion-exchange membranes are closely connected with their amphoteric nature and high values of isoelect

Research on the treatment of two kinds model urban wastewater (W1, W2) with the contents of edible oil were carried out by activated sludge method in the membrane bioreactor. Biodegradation degree for readily and sparingly biodegradable compounds was determined on the basic of COD, BOD and TOC remov

This work deals with the feasibility of an olive vegetation wastewater purification process consisting of two consecutive steps: coagulation followed by membrane separation. The target of this work was to reach a purification grade of the wastewater compatible with the limits for the discharge into

The effectiveness of soil remediation process, consisting of the soil washing, microfiltration and pervaporation process to remove iso-octane (VOC) was investigated. The several different parameters influencing the washing process were investigated: type of the soil (sand and sandy clay), time of th

Application of helical Couette Á Taylor flow (CTF) for reduction of membrane fouling in the process of radioactive wastes treatment was considered. The experiments were carried out with model solutions of cobalt ions (Co2+). Ultrafiltration process combined with complexation with polyacrylic acid or

Wastewater reclamation and reuse are being widely implemented due to the lack of fresh water. When salinity is a limiting parameter to obtain the required water quality for agricultural uses, a desalination step is necessary to achieve it. Therefore, techniques such as nanofiltration (NF) or reverse

In this work, we present the relations between the transport coefficients for the system multi-ion solution/ionexchange membrane resulting from the neglecting of ion Á ion interactions. We present one of the possible sets of the practical transport coefficients for that system, and we show how to ob

This work describes the determination of carboxylic acid overall mass transfer coefficients in a circulating flow experimental set-up composed of a flat plate dialyzer and a concentrate reservoir. Sodium acetate and sodium propionate were used as the sodium salts of carboxylic acids. By referring to

Water scarcity makes industrial wastewater reuse necessary, especially in those industries characterized by both high water consumptions and extremely polluted effluents as textile industries. Membrane technologies are very efficient to treat industrial effluents for water reuse successfully, since