Back to Search
Start Over
Integrated bioconversion of pulp and paper primary sludge to second generation bioethanol using Saccharomyces cerevisiae ATCC 26602
- Source :
- Web of Science, Repositório Institucional da UNESP, Universidade Estadual Paulista (UNESP), instacron:UNESP
- Publication Year :
- 2016
- Publisher :
- Elsevier B.V., 2016.
-
Abstract
- Made available in DSpace on 2018-11-26T17:06:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-11-01 project Energy and Mobility for Sustainable Regions - EMSURE Primary sludge, from different pulp and paper mills, was used as feedstock in simultaneous saccharification and fermentation (SSF) processes to produce ethanol. SSF was carried out with Saccharomyces cerevisiae ATCC 26602 yeast and NS 22192 enzymatic extract using 150 g L-1 of carbohydrates (CH) from primary sludge. The effect of sterilization, reduction of enzyme dosage and fed-batch vs. batch conditions were studied. The removal of sterilization can be considered since no contamination or atypical by-products were observed, although SSF efficiency slightly decreased. The reduction of the enzyme dosage from 35 to 15 FPU g(CH)(-1) was successful. Despite of initial mixing difficulties, batch SSF enabled higher ethanol concentration (41.7 g L-1), conversion yield (48.9%) and productivity (0.78 g L-1 h(-1)), compared to the fed-batch process at the same conditions of low enzyme dosage of 5 FPU g(CH)(-1) and high solids content of 21.7%, rarely found in literature. Published by Elsevier Ltd. Univ Coimbra, Fac Sci & Technol, CIEPQPF, Dept Chem Engn, Polo 2,Rua Silvio Lima, P-3030790 Coimbra, Portugal Sao Paulo State Univ, Dept Engn & Food Technol, Rua Cristovao Colombo 2265, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil Sao Paulo State Univ, Dept Engn & Food Technol, Rua Cristovao Colombo 2265, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil project Energy and Mobility for Sustainable Regions - EMSURE: CENTRO-07-0224-FEDER-002004
- Subjects :
- Paper
0106 biological sciences
Environmental Engineering
Bioconversion
020209 energy
Bioengineering
Bioethanol
Saccharomyces cerevisiae
02 engineering and technology
Raw material
engineering.material
01 natural sciences
Hydrolysis
Primary sludge
010608 biotechnology
0202 electrical engineering, electronic engineering, information engineering
Waste Management and Disposal
Unbleached pulp
Ethanol
Sewage
Waste management
Renewable Energy, Sustainability and the Environment
Chemistry
Pulp (paper)
General Medicine
Sterilization (microbiology)
Pulp and paper industry
Yeast
Biofuel
Fermentation
engineering
Simultaneous saccharification and fermentation
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Web of Science, Repositório Institucional da UNESP, Universidade Estadual Paulista (UNESP), instacron:UNESP
- Accession number :
- edsair.doi.dedup.....ff62792f4787e8c60dda70466f2b4ba8