Thermoplastic pipework for gas and leachate extraction at landfill site

Thermoplastic pipework for gas and leachate extraction at landfill site Thermoplastic pipework for gas and leachate extraction at landfill site The inclined leachate extraction bore at Somerset County Council's Wellington landfill site uses ABS pipework from Durapipe of Cannock Somerset County Council's landfill site at Wellington, inclined bore has been designed to be effective as the near Taunton, is making extensive use of thermoplastic site fills up over its remaining life. pipework from Durapipe for extraction of methane Durapipe's materials were chosen for both gas and landfill gas and leachate. leachate systems because of their ease of installation, The site has been in use since 1972 and has a robustness and corrosion resistance. projected life of another ten years. When filled, it will Wide range of sizes contain around two million m3 of domestic refuse, to a maximum depth of 35m. Durapipe's ABS, PVC, polyethylene and polypropylene The landfill gas generated by decomposing refuse can systems are all available in a wide range of sizes with a cause environmental problems, and to prevent this, comprehensive selection of fittings. ABS and PVC Somerset CC's County Surveyor's Department has sunk systems are jointed by a cold solvent cement welding 14 wells into the site to collect the gas and prevent method, and polyethylene and polypropylene by electro- migration. fusion, butt or socket fusion or, for the PushFast polyethylene system, mechanical jointing. The wells use polypropylene pipework, the well head units use ABS, and gas is transported in medium-density Ball and diaphragm valves, both manual and actuated, polyethylene pipework, via dewatering legs, to a flare-off are made in ABS, PVC and polypropylene. For larger- site. All pipework is supplied by Durapipe. diameter pipework, Dura-Felton butterfly valves are It is hoped that the gas, typically 66% methane, will be made from an epoxy composite. used in future as a fuel source by the brickworks which Durapipe is a member of the Glynwed International adjoins the site. pic group of companies. The company manufactures thermoplastic pressure pipework systems including valves in ABS, PVC, polyethylene and polypropylene, Separate system and also a specialist compressed air distribution system. A separate system has been installed to extract Durapipe's products are sold to a wide variety of leachate. The existing bore was becoming corroded, industries worldwide. and a new 30m vertical bore and a novel inclined bore have been put in. Durapipe's ABS, PVC and poly­ Details: Durapipe, Norton Canes, Cannock, Stafford­ propylene pipework is used. shire. WS11 3NS. Tel: 0543 79909. Typical leachate is of neutral pH and contains ammonia, nitrates and various metal chlorides, and is at a temperature of around 25° C. Composition, temperature and BOD and COD values are monitored before the leachate is put to the sewer. Submersible pumps are used in both bores. The ANTI-CORROSION August 1990 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Anti-Corrosion Methods and Materials Emerald Publishing

Thermoplastic pipework for gas and leachate extraction at landfill site

Anti-Corrosion Methods and Materials, Volume 37 (8): 1 – Aug 1, 1990

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0003-5599
DOI
10.1108/eb060870
Publisher site
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Abstract

Thermoplastic pipework for gas and leachate extraction at landfill site The inclined leachate extraction bore at Somerset County Council's Wellington landfill site uses ABS pipework from Durapipe of Cannock Somerset County Council's landfill site at Wellington, inclined bore has been designed to be effective as the near Taunton, is making extensive use of thermoplastic site fills up over its remaining life. pipework from Durapipe for extraction of methane Durapipe's materials were chosen for both gas and landfill gas and leachate. leachate systems because of their ease of installation, The site has been in use since 1972 and has a robustness and corrosion resistance. projected life of another ten years. When filled, it will Wide range of sizes contain around two million m3 of domestic refuse, to a maximum depth of 35m. Durapipe's ABS, PVC, polyethylene and polypropylene The landfill gas generated by decomposing refuse can systems are all available in a wide range of sizes with a cause environmental problems, and to prevent this, comprehensive selection of fittings. ABS and PVC Somerset CC's County Surveyor's Department has sunk systems are jointed by a cold solvent cement welding 14 wells into the site to collect the gas and prevent method, and polyethylene and polypropylene by electro- migration. fusion, butt or socket fusion or, for the PushFast polyethylene system, mechanical jointing. The wells use polypropylene pipework, the well head units use ABS, and gas is transported in medium-density Ball and diaphragm valves, both manual and actuated, polyethylene pipework, via dewatering legs, to a flare-off are made in ABS, PVC and polypropylene. For larger- site. All pipework is supplied by Durapipe. diameter pipework, Dura-Felton butterfly valves are It is hoped that the gas, typically 66% methane, will be made from an epoxy composite. used in future as a fuel source by the brickworks which Durapipe is a member of the Glynwed International adjoins the site. pic group of companies. The company manufactures thermoplastic pressure pipework systems including valves in ABS, PVC, polyethylene and polypropylene, Separate system and also a specialist compressed air distribution system. A separate system has been installed to extract Durapipe's products are sold to a wide variety of leachate. The existing bore was becoming corroded, industries worldwide. and a new 30m vertical bore and a novel inclined bore have been put in. Durapipe's ABS, PVC and poly­ Details: Durapipe, Norton Canes, Cannock, Stafford­ propylene pipework is used. shire. WS11 3NS. Tel: 0543 79909. Typical leachate is of neutral pH and contains ammonia, nitrates and various metal chlorides, and is at a temperature of around 25° C. Composition, temperature and BOD and COD values are monitored before the leachate is put to the sewer. Submersible pumps are used in both bores. The ANTI-CORROSION August 1990

Journal

Anti-Corrosion Methods and MaterialsEmerald Publishing

Published: Aug 1, 1990

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