Potential applications of renewable energy sources
01/03/2009 · For the base case where a natural gas boiler was used to generate the total heat and carbon dioxide for the greenhouse, using the average natural gas price of about C$8.25/GJ, the annual energy cost for a 7.5 ha greenhouse is C$1,459,234. The present worth of using a natural gas boiler for 25 years will be C$10.2 million at 10% discount rate.
To better understand current greenhouse heating practices a survey of Vermont greenhouse
Consequently, the change in carbon density from converting forestland to cropland would be -84.72 metric tons of C/hectare/year of biomass plus -3.60 metric tons C/hectare/year of soil C, minus 10.26 metric tons C/hectare/year from drained organic soils, equaling a total loss of 98.5 metric tons C/hectare/year (or -39.89 metric tons C/acre/year) in the year of conversion.
Greenhouse Gases Equivalencies Calculator - Calculations
Notes: Life cycle analysis data from: Carbon and energy balances for a range of biofuels options Elsayed, MA, Matthews, R, Mortimer, ND. Study for DTI URN 03/836, Greenhouse gas reporting - Conversion factors 2016, and: Comparison of energy systems using life cycle assessment A special report for the World Energy Council July 2000 Greenhouse gas reporting: Conversion Factors 2019 From the gov
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3) Explore the applicability of larger-scale biomass heating systems for Vermonts vegetable farms with multiple greenhouses. These systems are needed to achieve significant conversion of the industry from fossil to biomass fuels. 4) Conduct research to identify combustion efficiency and emission levels of different biomass greenhouse heating
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