Corn stover biomass feedstocks with uniform particle size distribution profiles at retained field moisture contents
First Claim
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1. A corn stover particle feedstock characterized by a substantially uniform size distribution profile as determined by the following protocol:
- drying approximately 1000 g of the corn stover particle feedstock to constant weight at 110°
F.;
pouring 400 g of the dried corn stover particles into a stacked screen assembly consisting of in a contiguous size-ordered array;
a top ⅜
-inch screen having 9.53 mm nominal sieve openings,a No. 4 screen having 4.75 mm nominal sieve openings,a No. 10 screen having 2.00 mm nominal sieve openings,a No. 16 screen having 1.18 mm nominal sieve openings,a No. 20 screen having 0.84 mm nominal sieve openings,a No. 35 screen having 0.50 mm nominal sieve openings,a No. 50 screen having 0.30 mm nominal sieve openings,a No. 100 screen having 0.15 mm nominal sieve openings, and a bottom pan;
shaking the stacked screen assembly for 10 minutes on a motorized tapping sieve shaker;
weighing corn stover particles retained on each of the screens; and
determining that the corn stover particle feedstock is characterized by a substantially uniform size distribution profile if the sum of the weights of corn stover particles retained on any contiguous five of the screens exceeds 320 g in total.
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Abstract
Corn-stover biomass feedstocks characterized by tight particle size distribution profiles at field moisture contents.
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Citations
15 Claims
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1. A corn stover particle feedstock characterized by a substantially uniform size distribution profile as determined by the following protocol:
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drying approximately 1000 g of the corn stover particle feedstock to constant weight at 110°
F.;pouring 400 g of the dried corn stover particles into a stacked screen assembly consisting of in a contiguous size-ordered array; a top ⅜
-inch screen having 9.53 mm nominal sieve openings,a No. 4 screen having 4.75 mm nominal sieve openings, a No. 10 screen having 2.00 mm nominal sieve openings, a No. 16 screen having 1.18 mm nominal sieve openings, a No. 20 screen having 0.84 mm nominal sieve openings, a No. 35 screen having 0.50 mm nominal sieve openings, a No. 50 screen having 0.30 mm nominal sieve openings, a No. 100 screen having 0.15 mm nominal sieve openings, and a bottom pan; shaking the stacked screen assembly for 10 minutes on a motorized tapping sieve shaker; weighing corn stover particles retained on each of the screens; and determining that the corn stover particle feedstock is characterized by a substantially uniform size distribution profile if the sum of the weights of corn stover particles retained on any contiguous five of the screens exceeds 320 g in total. - View Dependent Claims (2, 3, 4, 5)
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6. A corn stover particle feedstock characterized by a substantially uniform size distribution profile as determined by the following protocol:
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drying approximately 1000 g of the corn stover particle feedstock to constant weight at 110°
F.;pouring 400 g of the dried corn stover particles into a stacked screen assembly consisting of in a contiguous size-ordered array; a top 1-inch screen having 25.00 mm nominal sieve openings, a ½
-inch screen having 12.50 mm nominal sieve openings,a ⅜
-inch screen having 9.53 mm nominal sieve openings,a ¼
-inch screen having 6.30 mm nominal sieve openings,a No. 4 screen having 4.75 mm nominal sieve openings, a No. 8 screen having 2.38 mm nominal sieve openings, a No. 16 screen having 1.18 mm nominal sieve openings, a No. 20 screen having 0.84 mm nominal sieve openings, and a bottom pan; shaking the stacked screen assembly for 10 minutes on a motorized tapping sieve shaker; weighing corn stover particles retained on each of the screens; and determining that the corn stover particle feedstock is characterized by a substantially uniform size distribution profile if the sum of the weights of corn stover particles retained on any contiguous five of the screens exceeds 320 g in total. - View Dependent Claims (7, 8, 9, 10)
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11. A corn stover particle feedstock characterized by a substantially uniform size distribution profile as determined by the following protocol:
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drying approximately 1000 g of the corn stover particle feedstock to constant weight at 110°
F.;pouring 400 g of the dried corn stover particles into a stacked screen assembly consisting of in a contiguous size-ordered array; a top 3-inch screen having 75.00 mm nominal sieve openings, a 1.5-inch screen having 37.50 mm nominal sieve openings, a 1-inch screen having 25.00 mm nominal sieve openings, a ½
-inch screen having 12.50 mm nominal sieve openings,a ¼
-inch screen having 6.30 mm nominal sieve openings,a ⅛
-inch screen having 3.18 mm nominal sieve openings,a No. 16 screen having 1.18 mm nominal sieve openings, and a bottom pan; shaking the stacked screen assembly for 10 minutes on a motorized tapping sieve shaker; weighing corn stover particles retained on each of the screens; and determining that the corn stover particle feedstock is characterized by a substantially uniform size distribution profile if the sum of the weights of corn stover particles retained on any contiguous five of the screens exceeds 320 g in total. - View Dependent Claims (12, 13, 14, 15)
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Specification
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Current AssigneeForest Concepts LLC
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Original AssigneeForest Concepts LLC
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InventorsDooley, James H., Lanning, David N.
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Primary Examiner(s)KILIMAN, LESZEK B
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Application NumberUS14/676,133Publication NumberTime in Patent Office531 DaysField of Search428/402US Class Current1/1CPC Class CodesA01G 13/0262 Mulches, i.e. covering mate...B02C 18/142 with two or more inter-enga...B02C 18/16 DetailsB02C 23/14 with more than one separatorC10L 5/363 Pellets or granulatesC10L 5/442 Wood or forestry wasteC10L 5/445 Agricultural waste, e.g. co...D21B 1/061 using cutting devicesY02A 40/28 specially adapted for farmingY02E 50/10 Biofuels, e.g. bio-dieselY02E 50/30 Fuel from waste, e.g. synth...
