Water & Wastewater Pumps Articles

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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 ...

Top 5 Causes for AODD Pump Failure

by Aquflow Metering pumps  (Feb. 12, 2015)

1.       Air Valve Stalling, Clogging or Leaking: Stalling of the air valve often has to do with the design of the airways inside the valve. If the design in less than optimal it will stall under certain conditions. Same can be said about leakage of air where the air mostly blows through the valve instead of being redirected to ...

Lamix - anaerobic sewage treatment EGSB - Case Study

by PP-EKO Sp. z o.o.  (Feb. 4, 2015)

Executed as "design and build" contract anaerobic wastewater treatment in paper Lamix is one of the first of it's kind in Polish and Central European P&P. WWTP built in EGSB (expanded granular sludeg bed) anaerobic reactors technology is heavy duty, rubust and easy to extend. It purifies industrial sewage from recycled paper factory (tissue ...

Are our Water Systems at Risk?

by British Columbia Water & Waste Association (BCWWA)  (Feb. 1, 2015)

Assessing the Financial Sustainability of BC’s Municipal Water and Sewer Systems Reliable water, sewer, and storm water systems are essential to public health, a clean environment, and a strong economy. But British Columbia’s systems may be at risk – aging infrastructure, growth, strengthened regulations, seismic risk, and ...

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 ...

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: ...

Optimal operation efficiency and control of water pumps in multiple water reservoir system: case study in Korea

by IWA Publishing  (Feb. 4, 2015)

Pumping regimes for water distribution systems have been established to reduce pump operation costs. Optimization of water reservoir networks has been studied extensively for operating pumps efficiently. According to research, optimization reduces pump operation costs by approximately 10–20%. However, comparing economic benefits ...

Optimization of pumping schedule based on water demand forecasting using a combined model of autoregressive integrated moving average and exponential smoothing

by IWA Publishing  (Feb. 4, 2015)

Stable water supply to end users is the most important element in water supply systems (WSSs). The portion of energy used by the water distribution system is up to 40% of the total energy consumed by WSSs. To save energy cost for pumping systems, a number of attempts have been made. Especially, an optimization scheme for scheduling the ...

Detailed Instructions of Choosing Pumps Part 1

Detailed Instructions of Choosing Pumps Part 1   According to the basic principles presented before and the basic conditions, the detailed instructions are as below: 1. According to ...

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