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China had 26.5 million biogas plants, with an output of 10.5 billion cubic meter biogas until 2007. The annual biogas output has increased to 248 billion cubic meter in 2010. [117] The Chinese government had supported and funded rural biogas projects. [118] As of 2023, more than 30 million rural Chinese households use biogas digesters. [114]: 172
The Alpena biorefinery plant in the USA. A biorefinery is a refinery that converts biomass to energy and other beneficial byproducts (such as chemicals). The International Energy Agency Bioenergy Task 42 defined biorefining as "the sustainable processing of biomass into a spectrum of bio-based products (food, feed, chemicals, materials) and bioenergy (biofuels, power and/or heat)". [1]
Issues relating to biofuel are social, economic, environmental and technical problems that may arise from biofuel production and use. Social and economic issues include the "food vs fuel" debate and the need to develop responsible policies and economic instruments to ensure sustainable biofuel production. Farming for biofuels feedstock can be ...
Many of the smaller plants are located on farms and or other sources of biogas. Smaller biogas plants tend not to contribute heat to district heating networks. Denmark intends to increase production and use of biogas from 4 PJ consumption in 2015 to 17 PJ by 2020 with the goal of using 50% of manure in the country. [13]
Biogas plant model diagram. A bio-energy village is a regionally oriented concept for the use of renewable energy sources in rural areas.The system uses biomass from local agriculture and forestry in a biogas powerplant to meet the complete energy requirements of a village, such as electricity and district heating.
In some instances, torrefaction of biomass may benefit the power plant if energy crops/biomass is the material the converted fossil fuel power plant will be using. [16] Also, when using energy crops as the fuel, and if implementing biochar production, the thermal power plant can even become carbon negative rather than just carbon neutral.
Bamboo is one of the fastest growing plant/biomass which can be used as feed stock for BtL. Most bamboo species are native to warm and moist tropical and to warm temperate climates. [ 5 ] [ better source needed ] However, many species are found in diverse climates, ranging from hot tropical regions to cool mountainous regions and highland cloud ...
On April 25, 2006, Executive Order S-06-06, the Bioenergy Action Plan was issued by the then governor of California, Arnold Schwarzenegger, outlining a set of target goals which would establish the increasing use and production of biofuels and biopower for both electricity generation and substitution of natural gas and petroleum within the state of California.