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Optimal N Application Rates on Switchgrass for Producers ...

This study analyzes the effects of N fertilizer application rates on profitability of growing switchgrass and using the feedstock in a pyrolysis biorefinery facility to create a source of sustainable aviation fuel (SAF) supply in Tennessee. Switchgrass (Panicum virgatum L.) is a perennial bunchgrass native to North America with traits suitable for biofuel and co-product …

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The first switchgrass harvest this fall is expected to yield 2 dry tons per acre, which is about one-third of its full potential of 7 dry tons per acre. Harvesting and storage methods are being studied this winter, comparing square and round bales that are both tarped and left uncovered, as well as being set on the ground, on gravel and on pallets.

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The TcEG1 beetle (Tribolium castaneum) cellulase produced ...

Switchgrass tillers were collected at the R1 developmental stage from triplicate greenhouse-grown plants and air dried for 3 weeks at room temperature before grinding to 1 mm (20 mesh) particle size. Sugar release efficiency was determined via NREL high-throughput sugar release assays on pretreated extractives- and starch-free samples [ 31, 32 ].

Switchgrass (Panicum virgatum L) flag leaf transcriptomes ...

Switchgrass (Panicum virgatum L.) is a perennial C 4 species that is likely to be grown as a source of biomass for the biofuel sector (Vogel et al. 2011).Perenniality resides in the belowground rhizome and crown tissues that are the primary sources of tiller buds. Dormant tiller buds elongate in spring to produce aboveground biomass.

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The grinding system will reportedly be used to manufacture transmission parts for the carmaker's electric vehicle (EV) product line. GCH Machinery redesigned and repurposed the automaker's older dual-head grinder to the latest technology; in addition, the redesign was aimed at fulfilling the automaker's green initiative.

Iron incorporation both intra- and extra-cellularly ...

The FerIN switchgrass improved by 15% in height and 65% in yield, whereas the FerIN/IBPex transgenics showed enhancement up to 30% in height and 115% in yield. The FerIN and FerIN/IBPex switchgrass had 27% and 51% higher in planta iron accumulation than the empty vector (EV) control, respectively, under normal growth conditions.

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(PDF) Direct mechanical energy measures of hammer mill ...

Direct mechanical energy measures of hammer mill comminution of switchgrass, wheat straw, and corn stover and analysis of their particle size distributions. Download. Related Papers. Comminution Properties of Biomass in Hammer Mill and its Particle Size Characterization. By Nehru Chevanan.

Economic and Environmental Analysis for Corn Stover and ...

Supply logistics systems for corn (Zea mays L.) stover and switchgrass (Panicum virgatum L.) with two collection methods, round bales and rectangular bales, are developed. A location in the US Midwest is assumed with corn grown on highly productive crop land and switchgrass grown on less productive land. Bales (15 % moisture wet basis) are stored at …

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Overexpression of a rice BAHD acyltransferase gene in ...

Switchgrass (Panicum virgatum L.) is a promising bioenergy feedstock because it can be grown on marginal land and produces abundant biomass. Recalcitrance of the lignocellulosic components of the switchgrass cell wall to enzymatic degradation into simple sugars impedes efficient biofuel production. We previously demonstrated that overexpression …

The Potential for Biomass Energy Crop Production in Canada

Switch-grass fuel pellets Co-firing switch-grass with coal Switchgrass cellulosic ethanol and electricity Grain corn ethanol Biomass yield per hectare (ODT) 10 10 10 6.5 Direct biomass energy yield (GJ/ha) 185 185 185 136.5 Energy yield after conversion (GJ/ha) 175.8 58.3 73.0 (67.2 ethanol + 5.8 electricity) ...

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Implementation of switchgrass as feedstock for a ...

Switchgrass (panicum virgatum) is an optimal bioenergy crop due to its ability to grow in dry climates, ... large hopper, which will feed directly into a grinder. This will allow for smoother pressing, as the grounded ... that it may be necessary to arrange for backup suppliers in case of emergency shortage. All possible locations

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Overexpression of AtLOV1 in Switchgrass Alters Plant ...

Background Switchgrass (Panicum virgatum L.) is a prime candidate crop for biofuel feedstock production in the United States. As it is a self-incompatible polyploid perennial species, breeding elite and stable switchgrass cultivars with traditional breeding methods is very challenging. Translational genomics may contribute significantly to the genetic improvement of …

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Liquefaction and substitution of switchgrass (Panicum ...

A hammer mill (New Holland grinder model 358, New Holland, PA.) with 3.175-mm (1/8 in.) sieve size was used for particle size reduction. Particles from switchgrass were collected and oven-dried at 105 °C for 12 h and kept in a …

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This disclosure describes processes for using a single cellulosic feedstock or a combination of two or more different cellulosic feedstocks with a starch component to produce a fermented product. The process includes separating the components of the cellulosic feedstocks with fractionation, pretreating a component with wet fractionation with chemicals, hydrolysis and fermentation of …

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Blades Newsletter: Cenusa Bioenergy: Switchgrass: Better ...

The cost to mow, bale, transport and process switchgrass was $2,345 per poultry house (spread at 3" depth of bedding) compared to $2,750 for pine shavings, a 15% savings. An average size poultry house (about 20,000ft2) required 13.4 tons of switchgrass. At 3 tons of switchgrass per acre, this meant that each poultry house bedded with ...

(PDF) Comminution Properties of Biomass in Hammer Mill and ...

and 2.8 mm screen sizes for hammer mill grinding of switchgrass. Mani et al. (2002, 2004a) found that switchgrass had the highest specific energy requirement (27.6 kWh/Mg) to grind

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Modeling and Optimization of Quality Variability for ...

A Vermeer TG5000 tub grinder (Vermeer Corporation, Pella, IA, USA) was utilized to unpack and grind the switchgrass in January 2012. Once the biomass was ground, the next step was to sample the moisture content and the chemical composition; the measures for the chemical composition were obtained with a near-infrared (NIR) technology.

Summary of Chariton Valley Switchgrass Co-Fire Testing at ...

these goals were met. The design target for the switchgrass handling system was 12.5 ton/h (11.3 tonne/h), which we exceeded after a redesign of the secondary grinder in our system. We had hoped to burn over 3,000 tons (2,722 tonnes) of switchgrass during this first round of testing,

Switchgrass (Panicum virgatum) for Biofuel Production ...

A hammer mill (New Holland grinder model 358, New Holland, PA.) with 3.175-mm (1/8 in.) sieve size was used for particle size reduction. Particles from switchgrass were collected and oven-dried at 105 °C for 12 h and kept in a …

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