Water & Wastewater Pumps Articles

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DESMI Lifts Green Ship Business Case

by DESMI A/S  (Apr. 30, 2015)

New rules call for fresh approach It’s hardly news that the shipping industry is mobilising to meet the demands of wave after wave of new environmental regulations. From the IMO’s ballast water management legislation to EEDI (the Energy Efficiency Design Index for new ships) and SEEMP (Ship Energy Efficiency Management Plan), ...

Long-life Oil Pumps – Ditlev Reefer

by DESMI A/S  (May 27, 2015)

After 25 years, it was finally time to replace the old ROTAN pumps. They say that on average, a pump’s life is about 10 – 15 years if you overhaul and maintain the pump properly, but in the case of the pumps used back in 1990 when Chartworld Shipping Corporation, Greece, built the cargo ship Ditlev Reefer, the pump life was 25 years. ...

Slot Injector™ Aeration System for Membrane Bioreactor (MBR) Plants

by KLa Systems, Inc.  (May 26, 2015)

KLa Systems has recently completed our 23rd MBR aeration system project using our Slot Injector™ aeration technology. These plants are for industrial customers and although predominantly in the food & beverage sector, we have also supplied MBR aeration systems for leachate treatment, chemical and petrochemical processing effluent. Slot ...

BA-C500 pump still going strong after 10,000 hours in service

by BBA Pumps  (May 15, 2015)

A high volume jet water pump has been working on board of a sand dredger, belonging to the Dutch company De Vries & van de Wiel, since May 2010. This big 20" pump has worked flawlessly without significant maintenance since the first ...

Pump as turbine implementation in a dynamic numerical model: cost analysis for energy recovery in water distribution network

by IWA Publishing  (Apr. 28, 2015)

In complex systems characterized by the presence of private tanks and water scarcity conditions, water managers usually apply intermittent distribution, trying to reduce the water volumes supplied to the users and pipe leakages, or use pressure reduction valves for controlling pressure in the network. The application of pumps as turbines (PATs) ...

Pump Stations Transfer of Ownership

by CountyClean Environmental Services  (Apr. 10, 2015)

The change in ownership of private sewage pumping stations is set to take place from now until October 2016. CountyClean Environmental Services advise on the changes currently underway. Some privately owned pumping ...

A history of water distribution systems and their optimisation

by IWA Publishing  (Apr. 8, 2015)

Water distribution systems have a very long and rich history dating back to the third millennium B.C. Advances in water supply and distribution were followed in parallel by discoveries and inventions in other related fields. Therefore, it is the aim of this paper to review both the history of water distribution systems and those related fields ...

How can I make my lab greener? 5 tips to reduce your lab’s carbon footprint

by Camlab Limited  (Mar. 27, 2015)

Many laboratories want to make their operation more environmentally friendly and reduce their carbon footprint. The 5 steps below are a good starting point for simple changes to get closer to being a green lab We’ve been reading the great tips and ideas on mygreenlab.org to reduce the carbon footprint of your lab. Why not try ...

Pumps for the Booming FPSO Sector

by Sulzer Ltd  (Mar. 11, 2015)

In the last few years, several new offshore oil fields have been discovered. The current findings from Petrobras and other companies in the pre-salt province, located in the Brazilian continental shelf, suggest reserves of over 50 billion barrels of oil. Extracting the pre-salt oil is challenging and done increasingly with floating production ...

Southside, Arkansas - Case Study

by Environment One Corporation  (Mar. 9, 2015)

Rural area faced failing septic tanks in soggy land that didn't perc well. The Problem Failing septic tanks needed to be replaced. Gravity sewers were cost-prohibitive, requiring deep trenches and massive disruption. The Solution E/One's grinder pump stations easily replaced septic tanks. Improving the infrastructure was required in order to ...

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