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Biomass (in the context of energy generation) is matter from recently living (but now dead) organisms which is used for bioenergy production. There are variations in how such biomass for energy is defined, e.g. only from plants, [8] or from plants and algae, [9] or from plants and animals. [10]
The biomass that is used as input materials consists of recently living (but now dead) organisms, mainly plants. [2] Thus, fossil fuels are not regarded as biomass under this definition. Types of biomass commonly used for bioenergy include wood, food crops such as corn, energy crops and waste from forests, yards, or farms.
Enviva Inc. is the world's largest producer of wood pellets used for energy production. The company has been the subject of controversy regarding its sustainability with an environmental group's analysis suggesting Enviva is responsible for 50 acres a day of clear-cut land and significantly increased CO 2 production compared to coal per megawatt-hour.
Rancho Cordova-based Clean Energy Systems wants to turn the former Covanta Delano LLP plant at 31500 Pond Road — which until 2015 turned 1,200 tons per day of woody waste ... Delano-area biomass ...
Dec. 4—Kern's ambitious list of carbon burial proposals has lengthened with the addition of an early-stage, relatively inexpensive plan for reusing an idle biomass plant near Delano to combust ...
Some cogeneration plants are fired by biomass, [11] or industrial and municipal solid waste (see incineration). Some CHP plants use waste gas as the fuel for electricity and heat generation. Waste gases can be gas from animal waste, landfill gas, gas from coal mines, sewage gas, and combustible industrial waste gas. [12]
The country's vast agricultural sector provides ample feedstock for biomass plants, including crop residues like rice husks and straw. India is another prominent player in the biomass power sector. With a large agricultural base and significant biomass resources, India has leveraged these advantages to expand its renewable energy portfolio.
BECCS also face technical concerns about efficiency of burning biomass. While each type of biomass has a different heating value, biomass in general is a low-quality fuel. Thermal conversion of biomass typically has an efficiency of 20-27%. [42] For comparison, coal-fired plants have an efficiency of about 37%. [43]