Wastewater treatment

Reverse osmosis (RO) is a pressure driven membrane process which has been widely applied and recognized as the leading technology of desalination process. Improvement in RO technology including advanced membrane material, module and process design, and energy recovery has led to cost reduction which

Nanofiltration (NF) membranes have come a long way since it was first introduced during the late 80's. With properties in between those of ultrafiltration (UF) and reverse osmosis (RO), NF membranes have been used in many interesting applications especially in water and wastewater treatment and desalin

Saline water such as seawater or brackish water is a potential source for drinking water or for non-potable applications, but the existing desalination techniques are energy intensive. Therefore, there is an urgent need to develop sustainable desalination methods. Microbial desalination cells (MDCs)

• Life cycle assessment of engineered osmosis and osmotic dilution are performed • Environmental impacts of forward osmosis can be competitive with deep well disposal • The cost of FO can be significantly lower (up to 60%) than deep well disposal • FO energy demand with no upstream pretreatment is a

Produced water from unconventional gas and oil extraction may be hypersaline with uncommon combinations of dissolved ions. The aim of this analysis is to aid in the selection of produced water treatment technology by identifying the temperature, pH, and recovery ratio under which mineral solid forma

• Highly impaired liquid streams can be sustainably treated by forward osmosis. • Forward osmosis treatment of drilling mud and produced water was evaluated. • Water recovery N 70% was achieved in pilot and demonstration scales. Forward osmosis is a suitable and effective process for treatment of di

This study aims first to elicit residents’ Willingness to Pay (WTP) for the provision of central wastewater treatment and second farmers’ WTP for recycled water. A case study on a rural and costal tourist area is presented, located at the Municipality of Kissamos in northwest Crete. In the context o

A continuous adsorption study in a fixed-bed column was carried out by using phoenix tree leaf powder as an adsorbent for the removal of methylene blue (MB) from aqueous solution. The effect of flow rate, influent MB concentration and bed depth on the adsorption characteristics of adsorbent was inve

The treatment of wastewater containing suspended solids (SS) is an important topic related to strict environmental regulation and wastewater reuse in the preparation of carclazyte catalyst. This study indicated that the addition of an inorganic flocculant, anhydrous aluminum sulphate (AAS), to waste

A novel osmotic membrane bioreactor (OsMBR) is presented. The system utilizes a submerged forward osmosis (FO) membrane module inside a bioreactor. Through osmosis, water is transported from the mixed liquor across a semi-permeable membrane, and into a draw solution (DS) with a higher osmotic pressu