Research Abstracts

The transport of zinc complexes ions through an anion exchange membrane was evaluated by the treatment of solutions with and without cyanide. The ionic transport was analyzed as a function of the applied current density and of the cyanide and hydroxyl concentration. Experimental results showed that

This work presents thermoeconomic design for a multi-effect evaporation–mechanical vapor compression (MEE– MVC) desalination process. Exergy and thermoeconomic mathematical models of the considered process units are developed and presented in this work. The design data of an existing MEE–MVC (1500 m

An investigation was conducted to determine the feasibility of using reverse osmosis (RO) membranes to treat water containing up to 50% (by volume) oil. The effect of varying the feed pressure, pH and temperature on separation performance of two thin film composite polyamide RO membranes was evaluat

Desalination of seawater has become an important and growing industry due to the present water shortage in some Mediterranean countries. This activity may result in some environmental impacts, mainly generated by the discharge into the sea of the brine produced, which can affect marine benthic commu

The quantity and quality of feed water for desalting is critical for efficient operation of a desalination plant. This paper considers a synthetic permeable system designed to take advantages of the advances in directional drilling as well as incorporate the use of geotextile fabrics to transfer the

Sea water desalination plants discharge a concentrated brine effluent into coastal waters. Modern, large capacity plants require submerged discharges, in form of a negatively buoyant jet, that ensure a high dilution in order to minimize harmful impacts on the marine environment. Existing design prac

An innovative alternating of anoxic and anaerobic membrane bioreactor (AAAM) process was developed to enhance nitrogen and phosphorus removal simultaneously. The process was composed of a continuous aerated MBR and an alternating anaerobic and anoxic zone containing two separated bioreactors (reacto

The study was undertaken to examine feasibility of biological treating of landfill leachate in anaerobic submerged membrane bioreactor. The aim of the work was to estimate the optimal concentration of leachate in the reactor influent and process parameters on the base of anaerobic digestion efficien

A model of microbial membrane bioreactor with convective flow through the membrane is presented in the paper. Permeability coefficients hi in reference to microbial cells, substrates and possible reaction products as well as intensification coefficient Ψ which is a hydrodynamic parameter very signif

Discharging the nutrient rich aquaculture effluents into inland water bodies and oceans is becoming a serious concern due to the adverse effect that brings in the form of eutrophication and subsequent damages to those waters. A laboratory scale biological reactor consisting of a denitrifying compart