Biomass fuel from woody crops for electric power generation

Perlack, R.D.; Wright, L.L.; Huston,; Schramm, W.

doi:10.2172/96907

Cited by 20 publications

(9 citation statements)

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“…Planting techniques generally followed those established for short‐rotation woody crops, which were developed for the production of bioenergy and fiber (Perlack et al 1995). Seven rows were trenched in each plantation to a depth of 1 m, with a spacing of 2.4 m between the rows.…”

Section: Methodsmentioning

confidence: 99%

Long‐term changes in ground water chemistry at a phytoremediation demonstration site

et al. 2005

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A field-scale demonstration project was conducted to evaluate the capability of eastern cottonwood trees (Populus deltoides) to attenuate trichloroethene (TCE) contamination of ground water. By the middle of the sixth growing season, trees planted where depth to water was <3 m delivered enough dissolved organic carbon to the underlying aquifer to lower dissolved oxygen concentrations, to create iron-reducing conditions along the plume centerline and sulfate-reducing or methanogenic conditions in localized areas, and to initiate in situ reductive dechlorination of TCE. Apparent biodegradation rate constants for TCE along the centerline of the plume beneath the phytoremediation system increased from 0.0002/d to 0.02/d during the first six growing seasons. The corresponding increase in natural attenuation capacity of the aquifer along the plume centerline, from 0.0004/m to 0.024/m, is associated with a potential decrease in plume-stabilization distance from 9680 to 160 m. Demonstration results provide insight into the amount of vegetation and time that may be needed to achieve cleanup objectives at the field scale.

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Section: Methodsmentioning

confidence: 99%

Long‐term changes in ground water chemistry at a phytoremediation demonstration site

et al. 2005

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“…They result in dramatically reduced emission of VOCs and are less toxic to handle the petroleum fuels [41]. One other significant advantage relate specifically to water: both ethanol and biodiesel are biodegradable and break down readily, reducing their potential impact on soil and water [42]. Biodiesel is far more soluble than petroleum diesel, enabling marine animals survive in far higher concentrations of it than petroleum if fuel spills occur (due to lower risk of suffocation) [43].…”

Section: Water Pollutionmentioning

confidence: 99%

Environmental Impacts of Production of Biodiesel and Its Use in Transportation Sector

Chauhan¹,

Shukla²

2011

Environmental Impact of Biofuels

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“…Specific activities in each phase depend on the site quality which influences the degree of site preparation necessary; choice of species, planting density, and rotations; required cultural management and soil amendments (fertilization, weed control, animal control, and pest management); as well as transport and logistics [Broek, 2000;Perlack et al, 1997].…”

Section: Economics Of Energy Crop Productionmentioning

confidence: 99%

“…Therefore, patterns of weeding [14] and fertiliser application are important determinants Articles of yield levels [Perlack et al, 1997]. The planting density and rotation schemes also influence the growing characteristics and biomass yields.…”

Section: Economics Of Energy Crop Productionmentioning

confidence: 99%

Biomass and bioenergy supply from Mozambique

Batidzirai

Faaij

Smeets

2006

Energy for Sustainable Development

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Modern biofuels are a promising long-term renewable energy source which has potential to address both environmental impacts and security concerns posed by current dependence on fossil fuels. Energy crops represent the largest potential source of bioenergy feedstocks but land availability is a crucial precondition for this. On the basis of global bioenergy production potential assessments, Mozambique was identified as one of the promising biomass production regions in tropical Africa. It has capacity to produce up to 6.7 EJ (all energy values for fuels in HHV) of bioenergy annually with moderate introduction of agricultural technology and using strict sustainability criteria (i.e., protecting forests and meeting growing food demand). Essential for realising this potential is rationalisation in agriculture and livestock-raising, and potential increases of up to 7 times current productivities can be achieved with moderate technology introduction. Efficient logistics are also essential to ensure competitive biomass supply to the international market. Using six regions of Mozambique as potential sites of biomass production, this study analysed and compared the cost and energy use of supplying pellets, pyrolysis oil and Fischer-Tropsch (FT) fuels to the international market.Production costs of eucalyptus vary from 0.6 to 1.15 Euro/GJ for biomass productivities ranging between 7 and 25 tdm/ha/yr for arid to productive regions. Using Rotterdam harbour as an international destination for biofuels, the lowest delivered biofuel costs are 2.6 Euro/GJ for pellets, 3.2 Euro/GJ for pyrolysis oil and 6.8 Euro/GJ for FT fuels produced via circulating fluidised bed gasification (all originating from Sofala province). Lower costs are achieved for early conversion to pellets and pyrolysis close to biomass plantation sites, in contrast with FT fuels, for which costs are lower with centralised production. Comparison of the three biofuels using FT fuel as a reference (by further conversion of pellets and pyrolysis oil to FT fuels via entrained flow gasification) shows that it is more attractive to densify into and distribute pellets and pyrolysis oil early in the supply chain. FT fuels derived from pellets and pyrolysis oil result in lower fuel costs of 4.5 and 4.8 Euro/GJ respectively. Where biomass feedstock is not limited, large-scale conversion (GWth,in) directly to FT fuels using entrained flow gasification may result in much lower fuel cost.

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Biomass fuel from woody crops for electric power generation

Cited by 20 publications

References 0 publications

Long‐term changes in ground water chemistry at a phytoremediation demonstration site

Long‐term changes in ground water chemistry at a phytoremediation demonstration site

Environmental Impacts of Production of Biodiesel and Its Use in Transportation Sector

Biomass and bioenergy supply from Mozambique

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