Sökning: onr:"swepub:oai:DiVA.org:hig-26930" >
Impact of Condition...
Impact of Conditioning Prior to Dilute Acid Deconstruction of Biomass for the Production of Fermentable Sugars
-
- Kapoor, Manali (författare)
- DBT-IOC Centre for Advance Bioenergy Research, R&D Centre, Indian Oil Corporation Ltd, Faridabad, India
-
- Soam, Shveta, 1987- (författare)
- DBT-IOC Centre for Advance Bioenergy Research, R&D Centre, Indian Oil Corporation Ltd, Faridabad, India
-
- Semwal, Surbhi (författare)
- DBT-IOC Centre for Advance Bioenergy Research, R&D Centre, Indian Oil Corporation Ltd, Faridabad, India
-
visa fler...
-
- Gupta, Ravi P. (författare)
- DBT-IOC Centre for Advance Bioenergy Research, R&D Centre, Indian Oil Corporation Ltd, Faridabad, India
-
- Kumar, Ravindra (författare)
- DBT-IOC Centre for Advance Bioenergy Research, R&D Centre, Indian Oil Corporation Ltd, Faridabad, India
-
- Tuli, Deepak K. (författare)
- DBT-IOC Centre for Advance Bioenergy Research, R&D Centre, Indian Oil Corporation Ltd, Faridabad, India
-
visa färre...
-
(creator_code:org_t)
- 2017-03-31
- 2017
- Engelska.
-
Ingår i: ACS Sustainable Chemistry and Engineering. - : American Chemical Society (ACS). - 2168-0485. ; 5:5, s. 4285-4292
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- Cost of cellulases is a major impediment in commercialization of cellulosic ethanol. To reduce the enzyme doses for the production of fermentable sugars from rice straw (RS), a series of alkali conditioning experiments were conducted prior to dilute acid (DA) pretreatment. This approach resulted in removal of a majority of extractives, ash, acetic acid, and part lignin, and thus resulted in lowering pseudolignin formation thereby increasing enzymatic hydrolysis yields. Glucan hydrolysis of 69.8%, 74.0%, and 83.5% was obtained at 10 wt % water insoluble solid (WIS) using 8 FPU enzyme/g WIS of biomass conditioned using 0.2, 0.4, and 0.5 wt % alkali prior to pretreatment, which is 14–37% higher than the control (61.0%). The overall sugar recovery in these experiments were 69.2%, 70.2%, and 68.5% at 15 wt % WIS resulting in a sugar concentration greater than 120 g/L, which in turn can produce approximately 5–6% w/v ethanol concentration in fermentation broth. It was found that this approach resulted in a decrease of the enzyme consumption vis-a-vis the conventional process by 46.4% to recover the same amount of sugars. This lowering of enzyme consumption has resulted in net savings, after taking into account the cost of alkali used in the conditioning steps.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Nyckelord
- Alkali conditioning
- Dilute acid pretreatment
- Economic analysis
- Enzymatic hydrolysis
- Rice straw
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas