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China Resources Gas Group Ltd

Anaerobic fermentation project with waste water in Qidong Jiangsu Province, China.  The purification project was set up in order to connect the biogas to the city’s gas pipeline. The customer’s challenge Biogas upgrading: the Group aims to make use of what would ordinarily be a by-product – waste water.  Gas is extracted from a water…
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Beijing Guohuan Tsinghua Environment Engineering Design and Research Institute

An aerobic digestion project was commissioned on a closed landfill site in Hubei Province.  Aerobic digestion in this particular application is from a biological waste water treatment process; once sediments are removed from waste water, oxygen is used to break down the organic matter.  The site had been covered with an overlay of clean soil to…
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Guangdong Academy of Agricultural Sciences (GDAAS)

There are 13 research institutes under the GDAAS, including specific foods and crops and fertilizer research. The main mission of the institution is to carry out non-profit research around agricultural science and techniques.  As one of the most important agricultural crops institutions, the Crops Research Institute has been focusing on the development of new varieties…
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LFG engine protection for Viridor

Rapid changes in landfill gas quality can damage the engines it powers.  To keep watch, Viridor has installed static automatic gas analysis and reporting equipment supplied by Geotech at its Whitehead landfill site near Manchester.  Every ten seconds the equipment measures concentrations of CH4, CO2 and O2 and outputs the data in three, 4-20 mA channel…
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Low-flow groundwater sampling on a nuclear site

Nuclear licensed site use of low-flow groundwater sampling shows: Reduced time, reduced quantity of purge water – both thus reducing cost – and reduced risk of operator contact especially with potentially radioactive-contaminated purge water thanks to a self-contained enclosed system. One of the biggest headaches on site is the purge water and the expense of…
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QED pumps are the pumps of choice at North America’s largest landfill

The Puente Hills Landfill in Los Angeles County, California, is the largest operating landfill in North America based on daily tonnage received.   Located in an unincorporated area of Los Angeles County near Whittier, California, it is owned and operated by the Sanitation Districts of Los Angeles County.  It has received approximately 118 million tons…
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