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Focus on Valves

Hayward Flow Control Thermoplastic butterfly valve enables many stopping positions With its advanced, one-piece thermoplastic design and construction, the patent-pending BYV Series Butterfly Valve offers a variety of design advances, including a hand lever that features a 72-spline interlock mechanism…

A new generation of dry running agitator seals

This company has launched a new generation of dry-running shaft seals for agitators. In addition to the known benefits of this type of mechanical seal, the new SeccoMix1 is also silent running and has been prototype-tested for use in ATEX…

Tank cleaning in explosion-proof zones

By means of high-pressure water, various incrustations can be removed inside of autoclaves, reactors, spray towers and vessels. The pump unit discharges high-pressure water (up to 1,600 bars) through the company’s Tank Cleaning Head Nozzles. The water jet cuts through…

A new line of electrically driven solids-handling pumps

These-auto prime pumps have a capacity of 100 to a maximum of 6,500 m3/h. The BA diesel-driven pumps have been actively used on the market for many years. Now, with the development of a new standard norm block construction (NMC)…

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Mechanical Seals Update: Pharmaceutical and Food Applications

Second only to electric motors, centrifugal pumps are the most common machine used in the chemical process industries (CPI). Pumps are serving in every conceivable fluid application. They move all manner of fluids from wastewater to paper pulp, from ultra-clean…

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Magnetically Driven Pumps: An Overview

Magnetically driven (mag drive) centrifugal pumps have been in use since 1947 when the first magdrive pump was developed. Mag drives have always been the workhorse pump in applications with corrosive and often toxic fluid applications, and particularly over the…

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This process realizes large costs savings for manufacturing silicon wafers

Crystal Solar Inc. (Santa Clara, Calif.; www.xstalsolar.com) is preparing for high-volume production of silicon wafers using a process that forms the wafers directly from trichlorosilane (TCS) gas using a chemical vapor deposition (CVD) epitaxy process that can significantly lower the…

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Demonstration plants for biomass-to-sugar technology under construction

Edeniq Inc. (Visalia, Calif.; www.edeniq.com) announced progress in building demonstration facilities in Brazil and China that feature the company’s proprietary process for converting cellulosic biomass into industrial sugar for fermentation or catalytic conversion (diagram). In Brazil’s São Paulo state, Edeniq…

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Microporous vanadosilicate efficiently removes cesium from wastewater

The effective removal of Cs+ ions from contaminated groundwater, seawater, and radioactive nuclear waste is crucial for public health and for the operation of nuclear power plants. Although several methods for the removal of Cs+ ions have been developed, there…

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This production process cuts Pt usage in catalytic converters in half

Chemists from the National Institute of Advanced Industrial Science and technology (AIST; Tsukuba City, Japan; www.aist.go.jp) have developed a procedure for making the catalysts used in catalytic converters for treating the exhaust from diesel engines. The process, developed with support…