Search

Your search keyword '"Czernik, Stefan"' showing total 43 results
Start Over Author "Czernik, Stefan"
43 results on '"Czernik, Stefan"'

1. Biomass Conversion

Author

Decker, Stephen R., Sheehan, John, Dayton, David C., Bozell, Joseph J., Adney, William S., Aden, Andy, Hames, Bonnie, Thomas, Steven R., Bain, Richard L., Brunecky, Roman, Lin, Chien-Yuan, Amore, Antonella, Wei, Hui, Chen, Xiaowen, Tucker, Melvin P., Czernik, Stefan, Sluiter, Amie, Zhang, Min, Magrini, Kim, Himmel, Michael E., Kent, James A., editor, Bommaraju, Tilak V., editor, and Barnicki, Scott D., editor

Published
2017
Full Text
View/download PDF

3. Biomass Conversion

Author

Decker, Stephen R., Sheehan, John, Dayton, David C., Bozell, Joseph J., Adney, William S., Hames, Bonnie, Thomas, Steven R., Bain, Richard L., Czernik, Stefan, Zhang, Min, Himmel, Michael E., and Kent, James A., editor

Published
2012
Full Text
View/download PDF

4. Biomass Conversion

Author

Decker, Stephen R., Sheehan, John, Dayton, David C., Bozell, Joseph J., Adney, William S., Hames, Bonnie, Thomas, Steven R., Bain, Richard L., Czernik, Stefan, Zhang, Min, Himmel, Michael E., and Kent, James A., editor

Published
2007
Full Text
View/download PDF

16. Fast Pyrolysis of Biomass:A Handbook

Author

Bridgwater, Anthony, Czernik, Stefan, Diebold, James, Meier, Dietrich, Oasmaa, Anja, Peacocke, G., Piskorz, Jan, and Radlein, D.

Published
1999

17. A perspective on oxygenated species in the refinery integration of pyrolysis oil

Author

Talmadge, Michael S., primary, Baldwin, Robert M., additional, Biddy, Mary J., additional, McCormick, Robert L., additional, Beckham, Gregg T., additional, Ferguson, Glen A., additional, Czernik, Stefan, additional, Magrini-Bair, Kimberly A., additional, Foust, Thomas D., additional, Metelski, Peter D., additional, Hetrick, Casey, additional, and Nimlos, Mark R., additional

Published
2014
Full Text
View/download PDF

36. BIOMASS DERIVED, CARBON SEQUESTERING, DESIGNED FERTILIZERS.

Author

Magrini-Bair, Kimberly A., Czernik, Stefan, Pilath, Heidi M., Evans, Robert J., Pin Ching Maness, and Leventhal, Joel

Abstract

This work explores the hypothesis that functionalized biomass-derived chars (charcoal) can act as fertilizer-delivering, carbon-sequestering soil amendments. A naturally occurring precedent for this approach is based on recent results that clearly link increased soil productivity with charcoal-like Terra Preta deposits, which are characterized by enhanced microbial and fungal activity and are found in both temperate and tropical climates. In this work, peanut shell pellets were pyrolyzed under mild conditions (400°C). The resulting char retained nitrogen from the feedstock's high protein content. This char also provided the baseline material for further nutrient addition by reaction of pyrolysis oil with urea to add more bioavailable nitrogen. Replicated plant growth tests with corn conducted in a controlled greenhouse environment showed that these biomass-derived chars, as produced (raw) and chemically reacted (functionalized) with urea and pyrolysis oil, enhanced above and below ground plant growth similar to the periodic addition of an aqueous NPK fertilizer to the potting soil used for all experiments. We also found that char (raw and functionalized) addition to soil significantly enhanced root growth and that char could support the growth and subsequent release of nitrogen-fixing bacteria (Azotobacter vinelandii) into soils. These promising results provide the basis to design renewable time-release fertilizers for promoting above and below ground plant growth that also sequester carbon in the soil. Sustainable benefits [ABSTRACT FROM AUTHOR]

Published
2009

43. Hydrogen production from the fermentation of corn stover biomass pretreated with a steam-explosion process

Author

Datar, Rohit, Huang, Jie, Maness, Pin-Ching, Mohagheghi, Ali, Czernik, Stefan, and Chornet, Esteban

Subjects
*HYDROGEN production, *LIGNOCELLULOSE, *STEAM, *CORNSTALKS, *HEMICELLULOSE, *FERMENTATION, *SEWAGE disposal plants, *SEWAGE sludge, *FEEDSTOCK, *BUTYRIC acid
Abstract

Lignocellulosic biomass contains 70–80% carbohydrates and could serve as the ideal feedstock for fermentative hydrogen production. We conducted the pretreatment of corn stover using a steam-explosion process and studied its fermentability for hydrogen production. Using natural inoculant obtained from the heated sludge of a local wastewater treatment plant, we demonstrated that the indigenous microbes were capable of efficiently fermenting the aqueous hydrolyzate derived from the hemicellulose fraction of the steam-pretreated corn stover with and without acid during pretreatment. Biogas contained equal amounts of hydrogen and carbon dioxide. The carbon mass balance is approximately 84%, with acetic and butyric acids as the major carbon byproducts along with carbon dioxide. Hydrogen molar yields of 2.84 and 3.0 were obtained using the mixed sugars present in the hydrolyzate derived from neutral and acidic steam explosion, respectively. These findings verify that hemicellulose from corn stover could be a suitable feedstock for hydrogen production via dark fermentation. [Copyright &y& Elsevier]

Published
2007
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results