Pig Manure into Electricity in North Carolina

US - Hoffland Environmental Inc is introducing its technology to generate electricity from pig manure with the first one-megawatt facility planned for North Carolina near the city of Goldsboro.
calendar icon 27 September 2010
clock icon 3 minute read

Hoffland Environmental Inc (HEI), based in Conroe, Texas, is operating an electricity generating power plant on the island of Cyprus that uses hog manure as its fuel source. The company is now introducing their process/power technology into the United States with the first 1.0 megawatt facility planned for near the city of Goldsboro in North Carolina. The process, called Bio 'Lec, which is a combination of the words biofuel and electricity, utilises anaerobic digestion of hog manure to produce a medium Btu biogas. The plant has the flexibility to handle other organic waste and silage to boost efficiency by improving both biogas and electricity output.

The biogas produced is introduced into a unique spark-ignition engine in order to generate power. (Other systems often utilise a less efficient, pressure-ignition diesel generator set). HEI holds several patents in anaerobic technology and water pollution control equipment that are utilized in the process. The power output can easily be expanded to two or more megawatts depending upon the feedstock-fuel that is available.

The biogas produced by Bio 'Lec is cleaned and dehydrated to maximise fuel efficiency and to avoid pollution. The electricity is fed directly to the grid through a transformer system. Pig manure can be supplemented with material from the local farming community to include olive oil waste, poultry litter and other feedstocks. An additional bonus is that water from the process is an excellent agricultural irrigation water containing nitrogen and phosphorus and also micronutrients.

HEI is an employee-owned company founded in 1978 with the purpose of providing the design, manufacturing, installation and operation of environmental equipment and biological treatment systems that are utilized in the agricultural, process, power and petroleum industries. HEI is a reliable contractor that provides professional engineering assistance in the emerging green industries. HEI has successfully developed and patented economical treatment systems for toxic metals, oil and grease, hydrocarbons, dissolved and suspended solids, animal waste and biofuels (gas, liquid and solids). The company's engineering and manufacturing facility is located in Conroe, Texas, USA.

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