Anna Ackerley

TL-131 – Eliminating Underground Waste Lines

Reprinted from Chemical Processing Les Owens, Facilities Engineer, Nalco Chemical Co., Garyville, LA John McCallion, Senior Technical Editor Non-metallic collection system ends underground waste lines Corrosion rebuffed, environment protected To eliminate any possibility of soil or groundwater contamination, Nalco Chemical Co. moved all waste handling lines aboveground at its Garyville, LA, plant in 1993. A …

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TL-132 – Critical selection factors for thermoplastic pumps

Reprinted from Chemical Processing Dan Besic, Chief Engineer, Vanton Pump & Equipment Corp. Non-metallics offer broad abrasion and superior corrosion resistance Although the use of thermoplastic pumps has become so common that some designs are now being carried on the shelves in distribution stocks, for those applications involving highly corrosive or abrasive fluids, selection of …

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TL-155 – How to Specify Nonmetallic Sealless Pumps for Transferring Acidic, Caustic, Abrasive and Toxic Solutions

Kenneth Comerford Vice President Vanton Pump and Equipment Corp. Ever tightening regulations and heightened environmental responsibility have driven industrial and municipal facilities to rethink leak prevention, particularly when handling acidic, caustic and abrasive solutions that cause packing and mechanical seals to fail, and toxic solutions that demand failsafe containment. To transfer these solutions, operations and …

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TL-159 – Pump Material Selection Guide: Bromine

Reprinted from World Pumps Guide to the selection of materials for pumping the halogen bromine In this second of a series of articles on materials selection for pumping corrosive, abrasive and hazardous chemicals, George Black considers the problems presented by bromine. Dense, toxic and highly aggressive, its handling demands specialized pumping solutions, as illustrated by …

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TL-160 – Neutralizing Noxious Odors at Singapore’s Ulu Pandan Sewage Treatment Works

Reprinted from Water Engineering & Management Water & Waste Digest By Larry Lewis and Ken Galardi, P.E. Three significant reputations for innovative, reliable solutions to environmental problems came together as the Singapore Ministry of the Environment (ENV) planned for expansion and upgrading of its water and wastewater treatment facilities at Ulu Pandan Sewage Treatment Works …

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TL-161 – Pump Material Selection Guide: NaOH Sodium Hydroxide/NaOCl Sodium Hypochlorite

Reprinted from World Pumps Guide to the selection of materials for pumping NaOH and NaOCl This third article in an on-going series on the selection of materials for pumping corrosive, abrasive and hazardous chemicals considers the challenges presented by the caustic alkali sodium hydroxide and its close relative sodium hypochlorite. George Black looks at the …

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TL-162 – What’s New with Thermoplastic Centrifugal Pumps?

Reprinted from Pumps and Processes By George Black, Materials Engineering Consultant, Vanton Pump & Equipment Corp. A fresh look at recent design developments Every research study on pump usage clearly indicates that horizontal centrifugal pumps are the most widely used pump type for industrial, chemical and municipal processing, and waste treatment operations. Many years ago, …

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TL-164 – Converting Peroxide Waste into Profitable Sewage Disinfectant

Reprinted from PROCESSING By Anthony Lawson, Director of Engineering, Foremost Machine Builders, Inc. Creative processing system converts hazardous peroxide waste into profitable sewage disinfectant A large international supplier of medical devices approached Foremost Machine Builders, Inc., of New Jersey with a serious problem: How to extract a 50 percent solution of hydrogen peroxide from used …

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TL-165 – Grand Coulee Dam Uses Six Cantilever Pumps to Ensure the Reliability of Three 805 Megawatt Turbines

Reprinted from WATER & WASTES DIGEST G. Michael Stromback, Senior Mechanical Engineer With an installed capacity of 6,809 megawatts, the Grand Coulee Dam located on the Columbia River in the state of Washington is the largest hydro project in North America. For a short time following its completion, it was known as the largest hydro …

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