Water & Wastewater Pumps Articles

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Concentration and solvent recovery of environmental samples in dichloromethane

by BÜCHI Labortechnik AG  (Feb. 2, 2015)

Environmental samples are usually extracted with an organic solvent which is then concentrated prior to final analysis. In this short note, initial conditions and evaporation settings for the parallel concentration of samples dissolved in dichloromethane (DCM) having different starting volumes are presented. These settings have been optimized for ...

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 ...

Numerical simulation of drainage scenarios for lowering groundwater rise due to construction of a new barrage on the Nile River

by Inderscience Publishers  (Mar. 2, 2015)

The government of Egypt constructed a New Naga Hammadi Barrage (NNHB) 3.6 km downstream of the Old Naga Hammadi Barrage (ONHB). Upon construction, the water level raised by about 0.5 and 4 m upstream and within the river reach between ONHB and NNHB respectively. In this paper, a two–layer groundwater model was built using MicroFEM to study the ...

BBA emergency pump units for a nuclear power plant

by BBA Pumps  (Feb. 26, 2015)

Following the Fukushima nuclear disaster in 2011, safety regulations at many nuclear plants have been considerably tightened, this has led to an increased demand for fire fighting pump systems. These systems must comply with extremely strict requirements and regulations. Working closely together with the Belgian distributor Rental Pumps, BBA Pumps ...

General failures and treatments of centrifugal pump (II)

General failures and treatments of centrifugal pump (II) 1. The lack of traffic Causes and treatment methods are as follows: ...

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