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Pump Industry features, January 2010

Reducing water in an activated sludge tank

A small wastewater treatment plant in Switzerland needed an economical solution to tackle the initial stages of the process. The company found the answer i

 
Clearing the blockages and sealing the leaks

A European sewage treatment works was experiencing problems with constant blockages and leaking glands. Access difficulties meant that maintenance costs we

 

A US city required a pump capable of accurately dosing 15% sodium hypochlorite for their new wastewater treatment plant. Pumping this anti-bacterial chemic

 

Flexibility is key when supplying the power to help access the water supply in a variety of different duties, from an African desert to organic farming in

 

Three 70 year old drainage pumps were unable to cope when flooding occurred at a UK power station in 2007. After complete replacement proved impossible due

 

A crude oil processing vessel off the Norwegian coast required high-pressure pumps to extract natural gas. The expense of the limited floor space onboard w

 

Constructing a massive off-shore liquid gas project required transporting temporary living quarters to the site by barge. During loading, the barge had to

 

A manufacturer of anti-icing products needed to improve efficiency. The delicate structure of these products required a very gentle pumping action with min

 

A Danish company was having trouble transferring water-based ink onto print rollers. A gentler solution was needed which would ensure the ink was bubble-fr

 

The thaw after heavy snowfall in Wiltshire, UK, resulted in localised flooding and road closures. The excess water needed to be cleared quickly. The Counci

 

The external screens of a European battery breaking and recycling plant were regularly becoming blocked. The mounting downtime led the company to explore o

 

The world's largest passenger jet needed to save weight in order to maximize fuel efficiency and payload capacity. A number of challenges steered the engin

 

The development of intensive shrimp farming business in the last decades has created a need to design special features for seawater pumping. High water dem

 

Dieter Klefoth and Stefan Seemer look at a demand-based speed-controlled pump system. This, with new submersible pumps together with state-of-the-art contr

 

Torrential rain waterlogged building works at a road in Prague, causing a deep crater to appear. A pump solution was needed which could deal with the emerg

 

The pumps in a Scottish distillery were struggling to cope with the abrasive lime used for dosing. A peristaltic hose pump was selected for its abrasion re

 

The use of seawater for all of Gibraltar’s flushing needs is both economical and problematic. The Waterport pumping facility required a system which could

 

Staff at a UK brewery had to manually empty mash waste from the equipment, costing time and energy. A pump was needed which could handle the highly viscous

 

The largest civil engineering project in Ireland entailed building a road tunnel under a roaring tidal river. The massive components had to be prepared in

 

A park operator wanted to make savings on swimming pool energy bills. The results of a trial conducted on two of the pools filtration pumps deduced that th

 

Refurbishing an ageing district heating system in Constanta, Romania using new hot-water recirculation pumps, associated variable speed drives and other co

 

A UK zoo required a systems upgrade to comply with EMC directives and standards whilst simultaneously increasing efficiency. Three animal enclosures were r

 

A mineral wool production facility was on the lookout for a compressed air solution to integrate into its upgrade programme. The installation of a compress

 

In April 2008, a new world record height of 606 m for pumping concrete was set on the Burj Dubai Tower in Dubai. Bryan Orchard looks at the high pressure p

 

Engineers at a European power station's FGD plant wanted to reduce SO2 emissions at the same time as maintaining consistent site efficiency. Installing two

 

When archaeologists discovered a haul of 16th century shipwrecks at a Norwegian building site, they realised that quick and efficient drainage had to be at

 

The population around Stockholm, Norway, is developing rapidly and new homes are needed. A range of hard-wearing submersible pumps have helped to transport

 

A European duck meat producer wanted to save energy and reduce costs by improving the drive control of its refrigeration plants, the greatest consumers of

 

A European steel manufacturer wanted to see how significant energy savings could be achieved in its hydraulic systems. Tests were carried out to establish

 

The damaged pipe at a Swedish unloading terminal led to the creation of a special design for molten sulphur tanks. This required a 17 m long vertical pump

 

To reduce productivity losses caused by process equipment failure, a US specialty chemicals manufacturer has tried a number of monitoring technologies for

 

To maintain its 24/7 schedule, a US chemical plant relies on ammonia shipped via a 14-mile-long pipeline. However, when repairs came due an alternate metho

 

When an international paint producer was looking to upgrade its plant in Finland, it was also looking to cure a number of problems and decided upon LPP pum

 

Part of a massive sewers project in Northern Ireland requires the installation of dry well submersible pumps below ground. As the integrity of these depend

 

Pump consultant, Brian Nesbitt attempts to clarify the technical language used by pump engineers by explaining common terms used in conjunction with pump a

 

In this short series of articles, Rafael Ocampo examines the basic theory concerning fatigue, the influence of stress raisers on fatigue failure, and the s

 

The director of design consultancy at PumpSupport, Hans Vogelesang, presents a five-part series covering energy savings in pumps.

 

Two critical exhaust fans in an oil tanker were damaged, putting the ship out of action for two weeks and costing its owners around €60,000. A hand-held de

 

More than 60,000 visitors attended this years Pinkpop Festival drawn by headline acts including Bruce Springstein, Depeche Mode and Franz Ferdinand. The th

 

The Sable natural gas energy installation, found offshore of Nova Scotia, Canada, is the largest construction project ever undertaken in the province and i

 

One of the more challenging applications for a pump is the hazardous conditions on an oil rig out at sea. A European oil and gas equipment manufacturer ens

 

In a bid to become as energy efficient as possible, Anglian Water asked Bravini to find an alternative to the old screw pump gearboxes at their trial site

 

When a Norwegian oil refinery set its sights on becoming the safest in Europe, it challenged Jet Set Hydro Technics to develop a method for removing worn s

 

A new CFdesign module, which facilitates carrying out multi-scenario design studies, has allowed Cornell Pump to spend more time on pump design, and much l

 

Recent floods in Prague have required the implementation of control measures to protect the historic city from contamination from flooding and the threat o

 

Three of Ireland’s largest stadiums have recently been overhauled and Tsurumi Pumps was chosen for pitch dewatering and sewage handling. The systems includ

 

When a Swedish wastewater treatment plant invested in new decanter centrifuges, Emotron variable speed drives were chosen. This was one of the first times

 

Urgent calls following flood warnings in the Midwest US prompted portable pump manufacturer and rental company, Godwin, to into action. The company’s quick

 

The additives present in many modern sealing compounds, can be quite abrasive, and finding a dosing pump that can handle them without problems is more of a

 

When Carpetright decided to amalgamate its distribution sites into one large warehouse, it needed to become fire compliant with minimum site traffic and a

 

When an Arizona power plant wanted to increase the capacity of pumps used to avoid the possibility of overflow, it was imperative the pumps be protected fr

 
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