saudi arabia saccharification and fermentation processes

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  • Enzymatic saccharification and fermentation of

    1 Department of Biology, College of Science, King Khalid University, P.O. Box 3100, Abha 61417, Saudi Arabia. Abstract. The bioconversion of cellulosic wastes into high-value bio-products by saccharification and fermentation processes is an important step that can reduce the environmental pollution caused by agricultural wastes.

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  • Enzymatic saccharification and fermentation of

    Enzymatic saccharification and fermentation of cellulosic date palm wastes to glucose and lactic acid. Alrumman SA(1). Author information: (1)Department of Biology, College of Science, King Khalid University, P.O. Box 3100, Abha 61417, Saudi Arabia. Electronic address: [email protected]

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  • Enzymatic saccharification and fermentation of

    2016-1-27 · The bioconversion of cellulosic wastes into high-value bio-products by saccharification and fermentation processes is an important step that can reduce the environmental pollution caused by agricultural wastes. In this study, enzymatic saccharification of treated and untreated date palm cellulosic wastes by the cellulases from Geobacillus ...

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  • Enzymatic saccharification and fermentation of

    2016-1-1 · The saccharification was increased to 94.88% by removal of the hydrolysate after 24 h by using a two-step hydrolysis. Significant lactic acid production (27.8 mg/mL) was obtained by separate saccharification and fermentation after 72 h of incubation. The results indicate that production of fermentable sugar and lactic acid is feasible and may ...

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  • Enzymatic saccharification and fermentation of

    Introduction. At present, the conversion of low-value agriculture wastes into valuable commodities, energy, chemicals and microbial protein by saccharification and fermentation processes is not economically feasible, largely due to the costs of cellulosic materials and cellulolytic enzymes, as well as technical problems associated with cellulose saccharification. 1–5 There is an increased ...

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  • Ethanol production from date wastes: Adapted

    2019-12-1 · For Saudi Arabia, from 1.07 million tons of date fruits and 24 million date trees, there is a potential to produce 438 million litres of ethanol, which is the highest among all countries. DWs in Saudi Arabia are also more than those in Iran. Similarly, for all other countries, the estimated average production of ethanol is given in Fig. 7 ...

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  • Bioethanol production with cellulase enzyme from

    2021-6-18 · Bioethanol production from the saccharification and fermentation of the sesame seed residues The reducing sugar content was 0.26 g/L for the fermentation medium before the saccharification process. After the growth of the Bacillus cereus for 48 h under optimum fermentation conditions, the reducing sugar content was elevated to 8.8 fold (2.3 g/L ...

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  • Processes | Free Full-Text | Economic Analysis of ...

    A new process for conversion of sugarcane bagasse to ethanol was analyzed for production costs and energy consumption using experimental results. The process includes a sequential three-stage deacetylation, hot water, and disk-refining pretreatment and a commercial glucose-xylose fermenting S. cerevisiae strain. The simultaneous saccharification and co-fermentation (SScF) step used was ...

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  • Production of bioethanol from four species of

    2021-1-1 · We have identified the saccharification and fermentation processes for optimal bioethanol production by these plants. Specifically, the optimal starch-to-sugar conversion required the enzyme α-amylase and amyloglucosidase in a ratio of 2:1 (v/v) and fermentation for 24 h at 50 °C.

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  • Optimization of low-temperature energy-efficient ...

    2019-11-7 · Leaves of Conocarpus erectus are potential feedstock for bioethanol production due to their lower lignin and higher cellulosic content and are among one of the least explored biomass sources. The present study reported a low-temperature (90 °C) energy-efficient pretreatment method for the release of fermentable sugars from C. erectus leaves and its conversion into bioethanol by using ...

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  • Enzymatic saccharification and fermentation of

    Introduction. At present, the conversion of low-value agriculture wastes into valuable commodities, energy, chemicals and microbial protein by saccharification and fermentation processes is not economically feasible, largely due to the costs of cellulosic materials and cellulolytic enzymes, as well as technical problems associated with cellulose saccharification. 1–5 There is an increased ...

    Get Price
  • Processes | Free Full-Text | Economic Analysis of ...

    A new process for conversion of sugarcane bagasse to ethanol was analyzed for production costs and energy consumption using experimental results. The process includes a sequential three-stage deacetylation, hot water, and disk-refining pretreatment and a commercial glucose-xylose fermenting S. cerevisiae strain. The simultaneous saccharification and co-fermentation (SScF) step used was ...

    Get Price
  • Current Methodologies and Advances in Bio-ethanol ...

    Simultaneous saccharification and fermentation (SSF) is an approach, where the saccharification of biomass is combined with simultaneous fermentation of the released sugars in a single reactor. Therefore, as soon as the sugars are formed from biomass, they are rapidly converted into ethanol thus minimising the accumulation of inhibitory sugars ...

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  • Plate Heat Exchanger industrial, Plate Heat Exchangers

    2021-6-15 · Liquefaction, Saccharification, Fermentation, Condensation, Heat Recovery, Reboiler Processes ” alt=”Chemicals & Petrochemicals”/> Chemicals & Petrochemicals. Solvent Recovery, Cooling & Heating of Acids and Caustic Solutions, Heat Recovery from Flue Gases.

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  • On the Optimization of Fermentation Conditions for ...

    The present study aims to assess the impact of the type of yeast consortium used during bioethanol production from starchy biowastes and to determine the optimal fermentation conditions for enhanced bioethanol production. Three different yeast strains, Saccharomyces cerevisiae, Pichia barkeri, and Candida intermedia were used in mono- and co-cultures with pretreated waste-rice as substrate.

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  • Laboratory instrument for fermentation validation

    Continuous and real-time measurements. The Gas Endeavour® allows for continuous and on-line monitoring of alcoholic fermentation processes by continuously following the emission of carbon dioxide in real-time. Fully integrated and automatic, the Gas Endeavou r ® significantly reduces labour and skill demands compared to competitive solutions.

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  • Closely related fungi employ diverse enzymatic

    These data demonstrate that Aspergillus species and possibly also other related fungi employ significantly different approaches to degrade plant biomass. This makes sense from an ecological perspective where mixed populations of fungi together degrade …

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  • Renewable Fuels from Biomass: Technical Hurdles and ...

    international energy crisis resulted from an attack on Israel by Egypt, Saudi Arabia and other Arab countries. OPEC embargoed oil exports to the US and stated they would drop oil production by 5% per month. Oil prices in the US quadrupled from 4.50 to 22.50 per barrel and rationing was implemented. The embargo ended in March 1974, with

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  • An Effective Conversion of Cotton Waste Biomass to

    2016-5-2 · Bioethanol, a renewable energy source, is an alternative to petroleum or gasoline obtained from fossil fuel. About 35 % of oxygen present in the fuel ethanol helps in the complete combustion and thus, reduces harmful tailpipe emissions from the vehicles which pose health hazards [].Lignocellulosic biomass are the potent resources for the production of bioethanol and it can be blended with the ...

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  • ND EnergyRESEARCH SYMPOSIUM

    2019-4-4 · simultaneous saccharification and fermentation of lignocellulosic biomass ... Resources in Saudi Arabia Stefano Castruccio ACMS ... processes. However, it is difficult to develop microbial biocatalysts that can survive and thrive in the IL environment, as well as perform efficient biotransformation under these intense, high salt ...

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  • Current Methodologies and Advances in Bio-ethanol ...

    Simultaneous saccharification and fermentation (SSF) is an approach, where the saccharification of biomass is combined with simultaneous fermentation of the released sugars in a single reactor. Therefore, as soon as the sugars are formed from biomass, they are rapidly converted into ethanol thus minimising the accumulation of inhibitory sugars ...

    Get Price
  • Saccharification of Cellulose by Recombinant

    The noncellulolytic actinomycete Rhodococcus opacus strain PD630 is the model oleaginous prokaryote with regard to the accumulation and biosynthesis of lipids, which serve as carbon and energy storage compounds and can account for as much as 87% of the dry mass of the cell in this strain. In order to establish cellulose degradation in R. opacus PD630, we engineered strains that episomally ...

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  • Advances in 2nd Generation of Bioethanol Production

    2021-1-13 · Advances in 2nd Generation of Bioethanol Production presents a comprehensive overview of technologies and strategies for the conversion of lignocellulosic biomass. This includes issues like sustainable production, environmental and economic benefits, and the main hurdles for upscaling and achieving commercial viability.

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  • Renewable Fuels from Biomass: Technical Hurdles and ...

    international energy crisis resulted from an attack on Israel by Egypt, Saudi Arabia and other Arab countries. OPEC embargoed oil exports to the US and stated they would drop oil production by 5% per month. Oil prices in the US quadrupled from 4.50 to 22.50 per barrel and rationing was implemented. The embargo ended in March 1974, with

    Get Price
  • Bioenergy production from bamboo: Potential source

    2021-6-18 · Bioenergy Production from Bamboo: Potential Source from Malaysia’s Perspective. Kit Ling Chin, a Shamsudin Ibrahim, b Khalid Rehman Hakeem, c Paik San H’ng, a,b, * Seng Hua Lee, b and Mohd Azmi Mohd Lila d. Global energy sectors are facing the crucial challenge of sustainability and diversification of energy resources.

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  • Review: Bio-polyethylene from Wood Wastes |

    2019-10-17 · The global annual production of ethylene in 2017 was 150 million tons [].The United States, China, and Saudi Arabia are the leading producers, representing about 40% of the worldwide production [].The production of ethylene has been usually performed by the petrochemical industry from hydrocarbons as raw material (ethane, propane, or naphtha) using a catalytic thermal cracking with …

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  • The yeast Geotrichum candidum encodes functional

    2017-9-12 · G. candidum AA9 LPMOs could be appropriate enzymes for consolidated bioprocessing (CBP), which combines enzyme production, saccharification, and fermentation in a single step . One of the strategies for engineering a CBP biocatalyst is to develop recombinant yeast strains displaying cellulases and hemicellulases on the cell surface [31, 32].

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  • Assessment of Combinations between Pretreatment

    2013-5-14 · The bioethanol production from lignocellulosic materials is a socially and environmentally well-accepted option; however, its technical and economic feasibility needs to be established. In order to know if the bioethanol production from this feedstock has a potential for implementation, we developed a comparison of 16 process configurations based on four pretreatment methods and six conversion ...

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  • Abu-Bakr M Gomaa | King AbdulAziz University (KAU)

    Abu-Bakr M Gomaa. King AbdulAziz University (KAU) Jeddah, Saudi Arabia, Biochemistry, Faculty Member. Download. CURRICULUM VITA (C.V) Name : Dr. Abu-Bakr Mahmoud Hassanein Gomaa Title : Professor Nationality : Egyptian Date of birth : July 8, 1954 Place of Birth : Cairo, Egypt Marital status : Married Languages : Arabic, English and to some ...

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  • –1 Archive of SID

    61321, Saudi Arabia. ... development of fermentation processes using cheap carbon sources is important for commercial scale production (Cazetta et al., 2007). ... saccharification activity was 15 IUmg –1, measured as the initial rate of reducing

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  • Original Research Optimization of Cellulase Production ...

    Saccharification and Fermentation by Co-culture Technique To initiate the saccharification process, the cellulose-degrading bacteria were grown in cellulose basal medium at the optimum fermentation conditions with mixing at 120 rpm for 72 hours. The culture …

    Get Price
  • Saccharification of Cellulose by Recombinant

    The noncellulolytic actinomycete Rhodococcus opacus strain PD630 is the model oleaginous prokaryote with regard to the accumulation and biosynthesis of lipids, which serve as carbon and energy storage compounds and can account for as much as 87% of the dry mass of the cell in this strain. In order to establish cellulose degradation in R. opacus PD630, we engineered strains that episomally ...

    Get Price
  • Showcase Projects » VOGELBUSCH Biocommodities

    Some 400,000 liters per day of crude industrial alcohol from a refinery in Saudi Arabia are processed in the Bahrain unit. After entering the plant, the feed is purified in a rectification column where low-boiling substances such as diethylether and acetaldehyde are separated before being dehydrated by molecular sieve technology to achieve a ...

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  • Process Units » VOGELBUSCH Biocommodities

    This plant for baby milk powder and protein drink concentrates was realised by Vogelbusch in 2002 with a process licensed from a German producer of infant formula. The enterprise is the first manufacturer of infant formula in the Middle East. The production capacity is 32 tons per day. The plant location,...

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  • Saccharomyces cerevisiae | BioEnergy Consult

    2021-3-23 · Physical pretreatment processes employ the mechanical comminution or irradiation processes to change only the physical characteristics of biomass. The physio-chemical process utilizes steam or steam and gases, like SO2 and CO2. The chemical processes employs acids (H2SO4, HCl, organic acids etc) or alkalis (NaOH, Na2CO3, Ca(OH)2, NH3 etc).

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  • Assessment of Combinations between Pretreatment

    2013-5-14 · The bioethanol production from lignocellulosic materials is a socially and environmentally well-accepted option; however, its technical and economic feasibility needs to be established. In order to know if the bioethanol production from this feedstock has a potential for implementation, we developed a comparison of 16 process configurations based on four pretreatment methods and six conversion ...

    Get Price
  • A method for quick capital cost estimation of ...

    Jean‐Luc Dubois is scientific director at Arkema. He is in charge of Corporate R&D linked with catalysis, processes, and renewables. After graduating from the Hautes Etudes Industrielles, he carried out voluntary service overseas in Saudi Arabia at the King Fahd University of Petroleum and Minerals Research Institute.

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  • Molecular characterization of Trichoderma asperellum

    2021-6-18 · Several agricultural wastes, due to their abundant availability, have been used for production of enzymes via fermentation processes. Wheat bran, sugarcane bagasse, rice straw, wheat straw, corn cobs, soy bran, rice husk, coffee husk, and barley are the most common agro-industrial wastes used as substrates (Sanchéz 2009; Hanbyul et al. 2017).

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  • Venkata Sunil Jagani - Senior Engineer - SABIC

    4. Working as a team member in Saccharification processes to develop packed bed enzymatic saccharification process and Pretreatment of biomass, lignin separation, solvent recovery, kinetic modeling, Process design and development. 5.

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  • –1 Archive of SID

    61321, Saudi Arabia. ... development of fermentation processes using cheap carbon sources is important for commercial scale production (Cazetta et al., 2007). ... saccharification activity was 15 IUmg –1, measured as the initial rate of reducing

    Get Price
  • Original Research Optimization of Cellulase Production ...

    Saccharification and Fermentation by Co-culture Technique To initiate the saccharification process, the cellulose-degrading bacteria were grown in cellulose basal medium at the optimum fermentation conditions with mixing at 120 rpm for 72 hours. The culture …

    Get Price
  • Saccharification of Cellulose by Recombinant

    The noncellulolytic actinomycete Rhodococcus opacus strain PD630 is the model oleaginous prokaryote with regard to the accumulation and biosynthesis of lipids, which serve as carbon and energy storage compounds and can account for as much as 87% of the dry mass of the cell in this strain. In order to establish cellulose degradation in R. opacus PD630, we engineered strains that episomally ...

    Get Price
  • Process Units » VOGELBUSCH Biocommodities

    This plant for baby milk powder and protein drink concentrates was realised by Vogelbusch in 2002 with a process licensed from a German producer of infant formula. The enterprise is the first manufacturer of infant formula in the Middle East. The production capacity is 32 tons per day. The plant location,...

    Get Price
  • Prosopis Juliflora Bark – An Alternate Feedstock in the ...

    Further, delignified lignocellulosic biomass was subjected to Simultaneous Saccharification and Fermentation (SSF) studies using Kluyveromyces marxianus (MTCC 1389) and commercial cellulase enzyme. The effect of operating parameters such as pH, temperature, substrate concentration and inoculum concentration were investigated and found to be 4.9 ...

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  • ISOLATION AND CHARACTERIZATION OF CELLULASE

    2018-9-17 · inhibition of cellulase, thus it is better to carry out saccharification and fermentation simultaneously. In the same year Mtui, (2009) highlighted various types of pretreatment methods and value added products being obtained from the lignocellulosic wastes. Khan et al., (2011), isolated cellulase producing bacterial strain from cow dung.

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  • Catalytic amino acid production from biomass-derived ...

    2018-5-15 · Today, amino acids are primarily manufactured via microbial cultivation processes, which are costly, are time consuming, and require extensive separations processes. As an alternative, chemocatalytic approaches to produce amino acids from renewable feedstocks such as bio-based sugars could offer a rapid and potentially more efficient means of amino acid synthesis, but efforts to date …

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  • Molecular characterization of Trichoderma asperellum

    2021-6-18 · Several agricultural wastes, due to their abundant availability, have been used for production of enzymes via fermentation processes. Wheat bran, sugarcane bagasse, rice straw, wheat straw, corn cobs, soy bran, rice husk, coffee husk, and barley are the most common agro-industrial wastes used as substrates (Sanchéz 2009; Hanbyul et al. 2017).

    Get Price
  • Biomanufacturing By Jian-Jiang Zhong

    Get BEST PRICE AT AXTON BOOKS on Biomanufacturing - By Jian-Jiang Zhong - 9783540205012 - (Springer-verlag Berlin Heidelberg) - Advances in bioproducts manufacturing such …

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  • A parametric study ot protease production in batch

    1991-3-5 · Hao Zhou, Cheng-Zhang Wang, Jian-Zhong Ye, Hong-Xia Chen, Ran Tao, Yu-Si Zhang, Solid-state fermentation of Ginkgo biloba L. residue for optimal production of cellulase, protease and the simultaneous detoxification of Ginkgo biloba L. residue using Candida tropicalis and Aspergillus oryzae, European Food Research and Technology, 10.1007/s00217 ...

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