Water & Wastewater Pumps Articles

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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 ...

Ultrasonic level measurement: a Modern Classic!

by Endress Hauser Instruments International AG  (Jun. 12, 2014)

Radar technology has long had the reputation of being the best method of level measurement available - but does this also apply to the wastewater market? Based on its physical characteristics, radar technology certainly offers great flexibility and high performance. However, from an objective standpoint, non-contact level measurement using ...

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 ...

Case study: in-situ surfactant enhanced DNAPL recovery pilot project-refinery site montreal canada

by Ivey International Inc.  (Jul. 10, 2014)

Project Facts Active chemical refinery (20 acre site) Several DNAPL (chlorobenzene and dichlorobenzenes) and BTEX stored on-site Multiple DNAPL and BTEX spill events reported over a site history extending back to the 1950's. DNAPL and BTEX impacts to both the local soil and groundwater covering an 8 acre (+) area Risk: potential risk for ...

PaniPipe: saving water case study

by Syngenta  (Jun. 23, 2014)

A collaboration between the International Rice Research Institute (IRRI) and Syngenta led to a simple, yet valuable solution for rice farmers in rural Bangladesh. The technology called PaniPipe, saved farmers irrigation costs, conserved groundwater, and reduced diesel fuel used to pump water. The PaniPipe, inserted into the ground vertically, ...

Peristaltic Pumping in Dairy CIP System

by Verderflex Peristaltic Pumps - part of the Verder Group  (Jun. 12, 2014)

The Challenge One of the largest UK manufacturers of fresh dairy products for the food industry was using air diaphragm pumps to dose peracetic acid into the final rinse water of both raw and finished CIP (Clean-in-place) routines. CIP (Cleaning-in-place) is a critical hygiene process that helps to maintain the hygienic condition of the process ...

In-Situ Remediation of Heavy Metals Using Sulfur-Based Treatment Technologies

by Graus Chemicals, LLC  (Jun. 9, 2014)

The Metal Problem Highly toxic and highly soluble metals are contained in numerous waste streams including those from power, chemical, electronics facilities, general manufacturing plants, and mining facilities. Lead, chromium, arsenic, zinc, cadmium, copper, and mercury are the most common metal contaminants found on remediation project sites (US ...

What You Need to Know about Electronic Automation of Hydraulically-operated, Diaphragm-actuated Control Valves

by IWA Publishing  (May 9, 2014)

Hydraulically controlled, diaphragm-actuated control valves are the mainstay of the waterworks industry to control pressure, flow, level, pump control, and at times to meter. These automatic control valves are controlled by pilots to do specific tasks and are mainly single-set-point systems. With the need to remotely actuate and control the valves ...

Pumping Polyelectrolyte in waste water treatment

by Verderflex Peristaltic Pumps - part of the Verder Group  (Apr. 30, 2014)

The Challenge An industrial waste water treatment company required a cost effective solution to pumping polyelectrolyte. The plant engineers approached Verderflex distributor, Global Pumps Australia, for a solution to the following problems: Existing helical rotor pumps were expensive to run and maintain The replacement pump would have to be able ...

Process optimisation for solvent salvaging from sludge case study

by AVA - Huep GmbH u. Co. KG  (Apr. 14, 2014)

Manufacturers of painl removers are now obliged to take back used and contaminated paint remover due to environmental laws and market pressure. AVA supplies thermal vertical evaporation plants in order to reduce the disposal costs created by this and to salvage the solvents contained in the sludge. This offers the advantage that the contaminated ...

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