ethanol production from maize silage as lignocellulosic biomass

... ethanol, up from 4 billion gallons in 2004. Production of ethanol in Brazil utilizes sugar and molasses from sugarcane as a primary feedstock. In addition to Brazil, production of ethanol from ... produced from either sugarcane molasses or sugar beet molasses. Other studies have shown that molasses-based ethanol production is economically feasible in the United States (Rein). Ethanol ... 2004. Production of ethanol in Brazil utilizes sugar and molasses from sugarcane as a primary feedstock and thus demonstrates the technical feasibility of sugar-to -ethanol production. Corn-based...

Ngày tải lên: 22/02/2014, 05:20

... 2004. Production of ethanol in Brazil utilizes sugar and molasses from sugarcane as a primary feedstock and thus demonstrates the technical feasibility of sugar-to -ethanol production. Corn-based ... feedstock from a supply location to an ethanol facility. Production of ethanol from molasses would appear to be relatively cost competitive with corn- based ethanol (Table 25). Ethanol could ... produced from either sugarcane molasses or sugar beet molasses. Other studies have shown that molasses-based ethanol production is economically feasible in the United States (Rein). Ethanol...

Ngày tải lên: 08/03/2014, 06:20

... 1990a. Ethanol production from municipal solid waste via acid hydrolysis. Energy Biomass Wastes 13:1281- 93. 16. Green M, Kimchie S, Malester I, Shelef G, Rugg B. 1990b. Ethanol production from ... certain plastics, etc.; 3) inert waste such as construction and demolition waste, dirt, rocks, debris; 4) composite wastes such as waste clothing, Tetra Paks, and waste plastics such as toys; ... solid waste via acid hydrolysis. Energy from Biomass and Wastes 13:1281-93. 17. Himmel ME. 2007. Biomass Recalcitrance: Engineering Plants and Enzymes for Biofuels Production. Science (Washington,...

Ngày tải lên: 09/03/2014, 00:20

Ngày tải lên: 06/07/2014, 18:20

Ngày tải lên: 06/07/2014, 18:20

... lipid content as well as lipid productivity was measured. Other conditions of incubation such as light intensity, pure CO 2 gas flow rate and temperature were all the same as the corresponding ... Microalgae have been suggested as very good candidates for fuel production because of their advantages of higher photosynthetic eficiency, higher biomass production and faster growth compared to ... biodiesel production. Factors responsible for good growing of microalgae such as CO 2 and nitrogen concentration were investigated. It was found that total lipid content was increased after...

Ngày tải lên: 21/02/2014, 10:20

... lipid content as well as lipid productivity was measured. Other conditions of incubation such as light intensity, pure CO 2 gas flow rate and temperature were all the same as the corresponding ... reported that the yield of biomass increased significantly when the CO 2 molar fraction in the injected gas was reduced. They also showed that with less CO 2 in the injected gas, the O 2 generation ... around this value which was the same pH range as that using lower CO 2 flow rate. As the growth recovered at the same time during the gradual increase of pH, it was evidence from this result that...

Ngày tải lên: 21/02/2014, 10:20

... the USDA-ARS to assist researchers in reducing the cost of ethanol from corn. This model, incorporated in commercial process simulation software, ASPEN Plus, was based on data from ethanol producers, ... and the co-products involved in ethanol production. This model has served as a base case to evaluate the cost advantages of various process alternatives such as continuous high-gravity fermentation with ... lignocellulose-to -ethanol process was initially developed by NREL in 1995. A database of physical properties for the components of lignocellulosic feedstocks was developed. 21 The rigorous ASPEN Plus model was...

Ngày tải lên: 22/02/2014, 05:20

... of biomass feedstock into a consistent gaseous intermediate that can then be reliably converted to liquid fuels. The biomass gasification product gas (“synthesis gas” or simply “syngas”) has ... implements mixed alcohol production from gasification of lignin-rich bioconversion residues to maximize the liquid fuel yield per delivered ton of biomass. Biomass gasification can convert ... Biomass Gasification/Mixed Alcohol Design Report - Establishes a cost and quality baseline for technology improvements for $1.07/gal thermochemical ethanol by 2012 from indirect biomass...

Ngày tải lên: 25/03/2014, 10:20

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 09:08

Ngày tải lên: 05/09/2013, 16:11

Ngày tải lên: 05/09/2013, 16:11

... chitinase A was incubated with (GlcNAc) 2 , neither a decrease in (GlcNAc) 2 nor an increase in GlcNAc was observed upon incubation up to 57 h (Fig. 3A). In contrast, when (GlcNAc) 3 was the ... generated as reaction products than to act as substrates. As judged by the patterns of the product formation, the release of dimers, trimers and tetramers from the hexamer was considered to result from ... a chitinase from the rubber tree Hevea brasi- liensis. FEBS Lett 478, 119–122. 20 Fukamizo T, Sasaki C, Schelp E, Bortone K & Rober- tus JD (2001) Kinetic properties of Chitinase-1 from the fungal...

Ngày tải lên: 20/02/2014, 01:20

... dehydrogenase; F 420 , coenzyme F 420 ; Fgd, F 420 -dependent glucose-6-phosphate dehydrogenase; Fno, F 420 H 2 : NADP + oxidoreductase; Fpo, F 420 H 2 dehydrogenase complex; FprA, F 420 H 2 oxidase; ... stereospecificity at C4 of NAD(P) for alcohol dehydrogenase from Methanogenium organophilum and for (R)-2-hydroxyglutarate dehydrogenase from Acidaminococcus fermentans as determined by 1 H-NMR spectroscopy. ... hydrogenase (Frh) [12,13]; F 420 -dependent formate dehydrogenase (Frd) [14]; F 420 -specific alcohol dehydrogenase (Adf) [6]; F 420 -dependent methylene- tetrahydromethanopterin dehydrogenase (Mtd)...

Ngày tải lên: 20/02/2014, 03:20

... made from any starch, sugar, or cellulosic feedstock. In fact, ethanol has been created from a variety of grains and from grass and straw, wood fibers, and sugarcane. Though ethanol production from ... States it will have to be made from lignocellulosic biomass (Industrial Bioprocessing). In the end, biomass- to -ethanol production may be attractive because biomass would cost less than corn. In ... to the embargo was increased use of the fuel extender “gasohol ” (or E-10), a mixture of one part ethanol made from corn mixed with nine parts gasoline. Because gasohol was made from a renewable...

Ngày tải lên: 09/03/2014, 00:20

...

Ngày tải lên: 18/03/2014, 11:20

... isolated from peripheral blood, bone marrow and umbilical cord blood for exam- ple, but problems arising from immunogenic matching, resulting in rejection or graft-versus-host disease, as well as the ... b-globin gene (b S ) that is responsible for the disease. Fibroblasts from a diseased animal were reprogrammed into iPSCs, and the sickle cell anemia was corrected by homologous recombination. These ... hypothesized, a parent population known as hemangioblasts [38,39]. Using the differenti- ation of mouse ESC as an in vitro model, Keller’s group isolated blast colony-forming cells that were shown...

Ngày tải lên: 22/03/2014, 17:20

... reaction was strongly dependent upon the catalyst applied. As is evident from Fig. 8, when the catalyst amount increased from 1.0% to 6.0%, the biodiesel production yield was increased. However, ... Biodiesel production from waste cooking oil catalyzed by TiO 2 eMgO mixed oxides. Bioresour Technol 2010;101:9570e6. biomass and bioenergy 35 (2011) 2787e2795 2795 decreased, which was possibly ... yields grew as the methanol-loading molar ratio increased, and the biodiesel yield was increased considerably. The maximum biodiesel yield (90.59%) was obtained when the molar ratio was very close...

Ngày tải lên: 05/05/2014, 08:42

... stationary phase. Appar- ently, there was a metabolic shift from heterofermentative to homolactic pathway de- pendent on the growth phase. The production of both acetate and ethanol was growth associated, with ... forma- tion was relatively small and was delayed. How- ever, neither ethanol nor acetate was produced once cells reached the stationary phase, indicating that their production was growth-associated. ... 200 ml sample of the gas phase was analyzed as described above. The total pressure inside the serum bottle was measured with a digital pressure meter (Galaxy). The amount of gas (H 2 or CO 2 ) produced...

Ngày tải lên: 05/05/2014, 08:44