New tubular ceramic membranes have been developed that provide a high packing density of the filtration area. These new ceramic membrane filter elements have been proven in case studies in oily wastewater treatment applications. Steffen Heidenreich and Winfried Michell of Pall Filtersystems GmbH describe the findings.
21 October 2011
Pushing back the influence of electrostatics on filter media while operating in an energy efficient manner is a major goal in air filtration. Dr. Andreas Seeberger of IREMA FILTER GmbH describes some recent developments.
31 March 2011
A steel producer in the United Arab Emirates planned an expansion of the existing steel plant and desalination facility. Due to the high fouling risk associated with Arabic Gulf waters, incorporating a pre-treatment technology was essential. The company chose an ultrafiltration system which combined a resilient membrane with anti-fouling properties.
02 December 2010
A District created to promote public health decided to scrub off-gas odours from its Vallejo wastewater treatment plant. The two open aeration basins were targeted as part of the odour control upgrade. A retractable geomembrane cover was selected for the basins, which combines a gas-tight barrier with low life cost benefits.
12 August 2010
IFAT has developed into one of the world's leading trade fairs for water, sewage, waste and raw materials management. Due to popular demand, IFAT is switching to a two year cycle, beginning with an exhibition on 13-17 September at the Munich Trade Fair Centre, Germany. Filtration +Separation canvassed some exhibitors to find out what will be on display.
12 August 2010
Stephen Coulson, chief technical officer at P2i and inventor of its liquid repellent nano-coating technology, looks at how plasma processing is transforming filtration products.
12 August 2010
This fourth article, in Ken Sutherland's series on the smaller end-use equipment application sectors, features the use of filtration equipment in the medical and healthcare sectors. These are vital to life and provide a major use for membrane media.
11 August 2010
Data from existing tests are of little use to HVAC system designers. Paolo Tronville of the Politecnico di Torino and Richard Rivers of EQS Inc. discuss a set of tests which could provide data for rational system design choices.
09 August 2010
Researchers at Usak University in Turkey have investigated the effect of needling intensity and knitted reinforcement fabric on some mechanical properties of needle-punched nonwoven filters. Mehmet Emin Yüksekkaya reports on the findings.
21 July 2010
Dr. M. Shirato, Emeritus Professor at Nagoya University and Honorary President of the Filtration Society — Japan Association, reviews the history, current technology and future developments of automatic filter presses in Japan.
21 July 2010