Wiefferink, IEC expand geomembrane networks with partnership

July 26th, 2016

In a press release issued last week, Wiefferink B.V. (Oldenzaal, Netherlands) and Industrial & Environmental Concepts Inc. (Lakeville, Minn., USA) have expanded their geomembrane networks via a new partnership. “The unprecedented growth and expansion of both companies led to this collaboration and agreement,” according to the release. In terms of products and services, both companies […]

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Avoiding geomembrane whales and hippos in surface impoundments

April 25th, 2016

The incidence of geomembrane whales/hippos in surface impoundments containing various types of liquids is, unfortunately, not uncommon. See, for example, GSI White Paper #30, which discusses corrective actions after they occur. This article, however, addresses the situation before it occurs. Clearly, the presence of a geomembrane creates anomalies in the underlying subgrade that can cause […]

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Bio-digester supplies energy to 3,000 farms

January 11th, 2016

The principle of action of the digestive system of a cow served as a model to create a container that receives organic waste, mostly livestock manure, where it is mixed with millions of bacteria to obtain natural gas integrated mostly of methane, called biogas, as well as a high-quality bio-fertilizer. The biodigester, commercially called Biobolsa […]

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Seaman introduces XR-5PW geomembrane

October 30th, 2015

High-performance fabric manufacturer Seaman Corp., Wooster, Ohio, has expanded its line of XR-5® grade geomembranes with the XR-5PW. Specifically engineered for potable water floating covers, 45-mil XR-5PW offers high strength, UV protection and resistance to punctures and tears. It is the only coated fabric with NSF-61 approval for potable water contact. Featuring Seaman’s proprietary knit […]

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GCL woven side against geomembrane

October 1st, 2015

Flammability? Zip ties? MARV? Ponds? GT Specs? Questions and answers from the GMA Techline. I seem to recall a webinar or presentation in which the presenter warned against using the woven side of a GCL against a geomembrane due to bentonite squeeze-out and subsequent slippage. Instead, the nonwoven side was recommended against the geomembrane with […]

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Burke announces partners for CSPE geomembranes

September 8th, 2015

San Jose, Calif.-based Burke Industries announced in a Sept. 8 press release that it has established exclusive strategic partnerships with Colorado Lining International Inc. (CLI) and Layfield Environmental Systems Corp. (Layfield) for the distribution and fabrication of all Burke chlorosulfonated polyethylene (CSPE) geomembrane products and systems. The two companies will manage Burke’s CSPE geomembranes in […]

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Report from the North American Geosynthetics Society (NAGS)

April 1st, 2015

By Bob Mackey ASTM Committee D35 on Geosynthetics The ASTM Committee D35 on Geosynthetics met in New Orleans, La., Jan. 28–30, 2015. There was significant progress within several of the D35 subcommittees as noted here: Subcommittee D35.03 on Permeability and Filtration The issue that generated a great deal of discussion at the January meeting of […]

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