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Combined steam-explosion toward vacuum and dilute-acid spraying of wheat straw. Impact of severity factor on enzymatic hydrolysis

Zoulikha, Maache-Rezzoug; Thierry, Maugard; Jean-Michel … - In: Renewable Energy 78 (2015) C, pp. 516-526

This study deals with the development of an eco-friendly hydrothermal pretreatment of wheat straw. This pretreatment involves moderate temperatures without generation of liquid fractions allowing to reduce the energy input consumption and the environmental impact and enhance the enzymatic...

Persistent link: https://www.econbiz.de/10011208711

Evaluation and optimization of two stage sequential in situ transesterification process for fatty acid methyl ester quantification from microalgae

Kumar, Vikram; Muthuraj, Muthusivaramapandian; … - In: Renewable Energy 68 (2014) C, pp. 560-569

This study demonstrates a direct transesterification (DT) method for reliable quantification of microalgal lipid. Primary screening of various transesterification methods and the types of biomass (wet, oven dried and lyophilized) were performed with heterotrophically grown Chlorella sp. FC2 IITG...

Persistent link: https://www.econbiz.de/10010806526

Optimization of conversion of waste rapeseed oil with high FFA to biodiesel using response surface methodology

Yuan, Xingzhong; Liu, Jia; Zeng, Guangming; Shi, Jingang; … - In: Renewable Energy 33 (2008) 7, pp. 1678-1684

methodology (RSM) was used to optimize the conditions for the maximum conversion to biodiesel and understand the significance and …

Persistent link: https://www.econbiz.de/10010806800

Biodiesel production from crude canola oil by two-step enzymatic processes

Jang, Myung Gwi; Kim, Deog Keun; Park, Soon Chul; Lee, … - In: Renewable Energy 42 (2012) C, pp. 99-104

. Optimization of transesterification was performed by response surface methodology (RSM). A total of 20 experiments based on RSM …

Persistent link: https://www.econbiz.de/10010804816

Hydrolysis of hemicellulose from barley straw and enhanced enzymatic saccharification of cellulose using acidified zinc chloride

Kim, Tae Hoon; Oh, Kyeong Keun; Ryu, Hyun Jin; Lee, … - In: Renewable Energy 65 (2014) C, pp. 56-63

A chemical fractionation process using acidified zinc chloride (ZnCl2) was investigated to recover hemicellulose. The process variables of the fractionation process, including reaction temperature, reaction time, and ZnCl2 concentration, were selected as factors of the experimental design by...

Persistent link: https://www.econbiz.de/10011043832

Hydrogen production from aqueous-phase reforming of sorghum biomass: An application of the response surface methodology

Meryemoğlu, Bahar; Hasanoğlu, Arif; Kaya, Burçak; … - In: Renewable Energy 62 (2014) C, pp. 535-541

methodology (RSM) based on the Box–Behnken design (BBD) to produce hydrogen gas. The results showed that RSM based on the BBD was …

Persistent link: https://www.econbiz.de/10011043998

Physicochemical characterization of alkali pretreated sugarcane tops and optimization of enzymatic saccharification using response surface methodology

Sindhu, Raveendran; Kuttiraja, Mathiyazhakan; Binod, … - In: Renewable Energy 62 (2014) C, pp. 362-368

Alkali pretreatment of sugarcane tops was carried out with 3% NaOH for 60 min at 121 °C in a laboratory autoclave. The effect of solid loading, enzyme loading, incubation time and surfactant concentration on enzymatic saccharification was studied using a response surface method according to...

Persistent link: https://www.econbiz.de/10011044013

Enhancing the production of biofuels from cottonseed oil by fixed-fluidized bed catalytic cracking

Li, Hong; Shen, Benxian; Kabalu, J.C.; Nchare, Mominou - In: Renewable Energy 34 (2009) 4, pp. 1033-1039

The production of biofuels from cottonseed oil by fixed-fluidized bed catalytic cracking at ambient pressure was studied. The effect of reaction temperature (400–500°C), catalyst-to-oil ratio (6–10)and residence time (50–90s) were studied over the yields of bio-gasoline and light fuel oil...

Persistent link: https://www.econbiz.de/10011044678

Study of the effects of operating factors on the resulting producer gas of oil palm fronds gasification with a single throat downdraft gasifier

Guangul, Fiseha M.; Sulaiman, Shaharin A.; Ramli, Anita - In: Renewable Energy 72 (2014) C, pp. 271-283

Malaysia has abundant but underutilized oil palm fronds. Although the gasification of biomass using preheated inlet air as a gasifying medium is considered an efficient and environmentally friendly method, previous studies were limited to certain types of biomass wastes and gasifier designs....

Persistent link: https://www.econbiz.de/10011044805

Microwave-assisted pyrolysis of palm kernel shell: Optimization using response surface methodology (RSM)

Jamaluddin, Muhammad 'Azim; Ismail, Khudzir; Ishak, Mohd; … - In: Renewable Energy 55 (2013) C, pp. 357-365

In this study, response surface methodology (RSM) based on central composite rotatable design (CCRD) was applied to … individual experiments were conducted to optimize the combination effects of the variables. RSM based upon CCRD can be applied to … the RSM based on CCRD is efficiently applicable for the pyrolysis study using microwave-assisted pyrolysis system. The …

Persistent link: https://www.econbiz.de/10011045692