water reclamation Articles

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Efficiency and reliability of membrane processes in a water reclamation plant

by IWA Publishing  (Jun. 26, 2015)

Performance of a water reclamation plant using ultrafiltration (UF) and reverse osmosis (RO) treating 280,000 m3/d of wastewater was evaluated over 1 year. Statistical analyses were performed on flow rate, temperature, pH, total suspended solids (TSS), total dissolved solids (TDS), biochemical oxygen demand (BOD5) and total coliforms. Variations ...

Water reuse and reclamation: a contribution to energy efficiency in the water cycle

by IWA Publishing  (Jun. 26, 2015)

Water and energy are two of the most important resources of the 21st century. Water is required to supply energy and, at the same time, energy is required to supply water. In urban water management, the key factor is warm water heating. Depending on the quality of the raw water, the provision of drinking water requires the application of ...

Assessing the potential of using water reclamation to improve the water environment and economy: scenario analysis of Tianjin, China

by IWA Publishing  (May 21, 2015)

Tianjin City in China is a typical area that suffers from a serious water resource shortage and pollution problems, and this situation has spurred the use of reclaimed water as an additional source of water and an efficient method of improving water quality. This study aims to assess the reclaimed water utilisation amount available and its ...

Validation of the Goreangab Reclamation Plant in Windhoek, Namibia against the 2008 Australian Guidelines for Water Recycling

by IWA Publishing  (Mar. 13, 2015)

Australia has had Guidelines in place for water recycling (for all uses other than the augmentation of drinking water supplies) since 2006. These Guidelines were extended to cover potable reuse in May 2008 and have been applied to two potable reuse projects in Australia – one a trial plant in Perth, Western Australia and the second for a ...

Effect of preozonation on wastewater reclamation by the combination of ozonation and soil aquifer treatment

by IWA Publishing  (Feb. 4, 2015)

A series of column experiments and risk evaluation showed that preozonation was a better option to enhance the performance of soil aquifer treatment (SAT) than ozonation after SAT with respect to dissolved organic carbon, trace organic contaminants, and disinfection byproducts. This is a good example to show that upgrading pretreatments can be ...

Seasonal and influent characteristic effects on hydrogen sulfide generation at a water reclamation plant

by IWA Publishing  (Oct. 29, 2014)

Correlations between sulfide generation and seasonal influent wastewater characteristics were identified based on a long-term monitoring program in summer and winter at a water reclamation plant. During summer, the emission rates of hydrogen sulfide (H2S) from the liquid treatment processes increased substantially compared to those during winter ...

Reclaimed water for the Tarragona petrochemical park

by IWA Publishing  (Apr. 8, 2015)

The Camp de Tarragona Water Reuse Project is an emblematic example of how regional water scarcity can be overcome by considering reclaimed secondary effluent, which would otherwise be disposed of in the Mediterranean Sea, as an essential component of integrated water resources management. An advanced water reclamation plant (AWRP) was completed ...

The energy-saving anaerobic baffled reactor membrane bioreactor (EABR-MBR) system for recycling wastewater from a high-rise building

by IWA Publishing  (Jun. 12, 2015)

A novel energy-saving anaerobic baffled reactor–membrane bioreactor (EABR-MBR) system has been developed as a compact biological treatment system for reuse of water from a high-rise building. The anaerobic baffled reactor (ABR) compartment had five baffles and served as the anaerobic degradation zone, followed by the aerobic MBR ...

Performance Comparison of RO and NF Systems

by MASAR Technologies, Inc.  (Jun. 17, 2015)

The nanofiltration train (NF-A) and reverse osmosis train (RO-A) at Port Hueneme Brackish Reclamation Demonstration Facility in Southern California have both suffered from biofouling since startup in November 1998 until the plant implemented a raw water chloramination scheme in June 2000 (around 13,500 hours of operation). Moreover, the ...

Director and Officer Liability in Ontario – Very Serious Business

by GLOBE Foundation  (Jun. 11, 2015)

Last week I blogged about board responsibility and the need for management systems and tools to achieve compliance throughout the organization. This morning I had the chance to attend a conference, “ ...

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