Water & Wastewater Pumps Articles

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Large Diameter Impellers Make Trash Pumps More Versatile

by Griffin Dewatering  (Jan. 22, 2014)

The introduction of these impellers allow for a higher range of discharge pressure. Pumps are available in many types—diaphragm, positive displacement and progressive cavity—but the most common is a centrifugal pump. Centrifugal pumps have an impeller that spins, transferring energy to the fluid by centrifugal force and directing the ...

Math Solutions: Pump Performance and Efficiency Calculations

by Environmental Services by Daniel L. Theobald  (Sep. 27, 2014)

Water Online’s “Math Solutions” series, presented by wastewater consultant and trainer Dan Theobald (“Wastewater Dan”), instructs operators on Pump Performance and Efficiency calculations. Pump performance and efficiency calculations on your certification exams or ...

Hol’z dir! Sustainable briquette manufacture in the Augustinuswerk Jessen case study

by WEIMA Maschinenbau GmbH  (Sep. 22, 2014)

Since only very recently the Augustinuswerk in Jessen has been producing wood briquettes under its own brand name of “Hol’z dir” in a separate workshop for the handicapped. Only machines from shredder specialist WEIMA are used for production, their own production facilities being only a few kilometres away in Großnaundorf. ...

Energy Efficient Vertical Turbine Pumps Promote Sustainable Mining Efforts

by Neptuno Fluid Technology Lid  (Sep. 1, 2014)

The computational fluid dynamics process advances highly efficient pump designs for difficult applications. Energy is a strategic input for the mining industry in Latin America and worldwide. Mining requires large amounts of energy, which drives up total operational costs. In Chile, mining companies consume 34 percent of the total energy produced ...

Paper mill installs APEX hose pumps for abrasive pigment dosing

by Watson-Marlow Pumps Group  (Jul. 30, 2014)

Paper mill installs APEX hose pumps for abrasive pigment dosing The Beetham, Cumbria plant of BillerudKorsnäs has replaced a progressive cavity (PC) pump with APEX10hose pump technology from Watson-Marlow Pumps ...

Verderflex Dura Hose Pump Replaces Troubled Diaphragm Metering Pump

by Verderflex Peristaltic Pumps - part of the Verder Group  (Jun. 24, 2014)

The Challenge A water treatment plant in the US state of Georgia uses several wells to provide its residents and industries with fresh water. Each well site had to be equipped with the appropriate treatment equipment to ensure that the water meets and exceeds regulatory requirements. One such well site used a diaphragm-style reciprocating metering ...

The application of high pressure jetting drilling in Eastern Sichuan

by Inderscience Publishers  (Jun. 2, 2014)

Based on the problem of the low rate of penetration (ROP) of well sections above Xujiahe formation (mainly sandstone and mudstone) in Eastern Sichuan, Southwest of China, this paper discusses the feasibility of a high pressure jetting drilling scheme in this area and analyses its mechanism of increasing ROP. The paper establishes a physical model ...

Eccentric Disc Pumps Create Product Recovery Cost Savings

by MOUVEX  (Jun. 1, 2014)

As budgets tighten, operators of manufacturing facilities must implement new ways to meet established production quotas while spending less money. Improved operational efficiencies can critically affect the profitability of food and beverage, pharmaceutical, and cosmetic manufacturers, from the most basic productionline level through entire plant ...

Centrifuge Technology in Drilling Fluid Recycling

by KEMTRON Technologies, Inc.  (Jun. 1, 2014)

Drilling fluid additives and the water that contains them are an essential part and expense of successfully completing a horizontal directional drilling (HDD) installation, and the longer the bore and larger the product being installed, the more drilling fluids cost. Therefore, it makes economic sense to recycle drilling fluids by removing ...

Some Chemical Applications Require the Range of a Positive Displacement Pump

by MOUVEX  (May 1, 2014)

Chemical manufacturing includes complex processes. In fact, chemical manufacturing processes are so intricate that, typically, several unit operations exist within an overall process. These may include cracking, distillation and evaporation, gas absorption, and scrubbing and solvent extraction. Within these operations, transferring is the process ...

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