Pump consultant, Brian Nesbitt attempts to clarify the technical language used by pump engineers by explaining common terms used in conjunction with pump application and pump design. 23 February 2010
In May 2009 the spa town of Baden Baden, Germany, played host to the European Desalination Society’s Conference and Exhibition on Desalination for the Environment - Clean Water and Energy. Discussions focussed on the problems that many countries face in providing water for their populations, industries and agriculture. Bryan Orchard reports. 13 August 2009
Despite the tight credit markets and challenging global economy, 2008 saw further consolidation within the pump sector. Listed below are the transactions that took place during the first and second quarters of 2008. Third and fourth quarter deals were published in the February 2009 issue of Pump Industry Analyst. Subscribers to Pump Industry Analyst have access to a 4-year archive on the website as part of their annual subscription. 03 June 2009
As the world’s population rises and developing countries improve their standards of living, there will be an ever increasing demand for fresh water. One option is sea water desalination. Here, we take a look at the main types of desalination and some of the technology meeting this need. 26 March 2009
The Water Corporation of Western Australia turned on the country's largest seawater reverse osmosis (SWRO) plant back in November 2006, starting the delivery of a planned 45 gigalitres of drinking water a year into the Perth public supply system. Bryan Orchard looks at the technologies involved. 20 March 2009
Corrosion is the greatest problem encountered in stainless steel structures widely used in seawater pumps - even specialised brine pumps such as those used in desalination, oil & gas, chemical, thermal and nuclear power plants. Here, M Miyasaka and H Yakuwa of Ebara discuss the solutions currently on offer for surmounting crevice corrosion and take a look at the latest advances in this field. 20 March 2009
Throughout the Middle East and Arabian Gulf, multi-stage flash evaporation desalination is very much the preferred technology for the production of potable water. Several factors contribute to this, the key ones being the abundance of waste heat and the corrosive nature of the region's seawater. Bryan Orchard looks at how one company, Japan's Ebara, has addressed the issue of seawater intake pumping. 20 March 2009
Modern reverse osmosis desalination plants operate with high base load capacity and therefore the mechanical reliability and efficiency of high-pressure membrane feed pumps deserve thorough consideration. Production losses due to mechanical failure or higher energy consumption due to lower hydraulic efficiency can be significant factors in the plant operating costs. Miguel Angel Rivas, product portfolio manager for Sulzer Pumps, discusses the options available. 05 March 2009
World Pumps took the opportunity to catch up with KSB's Dr Klaus Wagner (vice president sales, Water Segment) to find out more about the company's current product development programmes and its commitment to the desalination and water supply business. 05 March 2009
A deteriorating water supply system on Toas Island in Venezuela made it necessary to install a large reverse osmosis desalination system, designed by the WET division of ITT. A steady stream of potable water is now available for the island residents. 02 March 2009
Mining salt often leaves caverns that have to be filled to stabilize them once extracted. One method is to fill these caverns with tailings produced during the salt purification process. A hydraulic, quadruple-action piston membrane pump, ideally suited for abrasive liquid media, from ABEL was found to be the best solution to transport the packing from the hopper into the mine via a pipeline. 02 March 2009
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