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Chin SY, Shahruddin S, Chua GK, Samsudin NA, Mudalip SKA, Ghazali NFS, Jemaat Z, Salleh SF, Said FM, Nadir N, Ismail NL, Ng SH. Toward Sustainable Production of Sugar-Based Alkyl Polyglycoside Surfactant─A Comprehensive Review on Synthesis Route and Downstream Processing. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Affiliation(s)
- Sim Yee Chin
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Sara Shahruddin
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Gek Kee Chua
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Nur Amalina Samsudin
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Siti Kholijah Abdul Mudalip
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Noor Fadhila Syahida Ghazali
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Zulkifly Jemaat
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Siti Fatihah Salleh
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Farhan Mohd Said
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Najiah Nadir
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Nur Liyana Ismail
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Su Han Ng
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
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Abstract
Due to rapid urbanization and industrialization, the population density of the world is intense in developing countries. This overgrowing population has resulted in the production of huge amounts of waste/refused water due to various anthropogenic activities. Household, municipal corporations (MC), urban local bodies (ULBs), and industries produce a huge amount of waste water, which is discharged into nearby water bodies and streams/rivers without proper treatment, resulting in water pollution. This mismanaged treatment of wastewater leads to various challenges like loss of energy to treat the wastewater and scarcity of fresh water, beside various water born infections. However, all these major issues can provide solutions to each other. Most of the wastewater generated by ULBs and industries is rich in various biopolymers like starch, lactose, glucose lignocellulose, protein, lipids, fats, and minerals, etc. These biopolymers can be converted into sustainable biofuels, i.e., ethanol, butanol, biodiesel, biogas, hydrogen, methane, biohythane, etc., through its bioremediation followed by dark fermentation (DF) and anaerobic digestion (AD). The key challenge is to plan strategies in such a way that they not only help in the treatment of wastewater, but also produce some valuable energy driven products from it. This review will deal with various strategies being used in the treatment of wastewater as well as for production of some valuable energy products from it to tackle the upcoming future demands and challenges of fresh water and energy crisis, along with sustainable development.
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Bermejo PM, Raghavendran V, Gombert AK. Neither 1G nor 2G fuel ethanol: setting the ground for a sugarcane-based biorefinery using an iSUCCELL yeast platform. FEMS Yeast Res 2020; 20:5836716. [PMID: 32401320 DOI: 10.1093/femsyr/foaa027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 05/11/2020] [Indexed: 11/12/2022] Open
Abstract
First-generation (1G) fuel ethanol production in sugarcane-based biorefineries is an established economic enterprise in Brazil. Second-generation (2G) fuel ethanol from lignocellulosic materials, though extensively investigated, is currently facing severe difficulties to become economically viable. Some of the challenges inherent to these processes could be resolved by efficiently separating and partially hydrolysing the cellulosic fraction of the lignocellulosic materials into the disaccharide cellobiose. Here, we propose an alternative biorefinery, where the sucrose-rich stream from the 1G process is mixed with a cellobiose-rich stream in the fermentation step. The advantages of mixing are 3-fold: (i) decreased concentrations of metabolic inhibitors that are typically produced during pretreatment and hydrolysis of lignocellulosic materials; (ii) decreased cooling times after enzymatic hydrolysis prior to fermentation; and (iii) decreased availability of free glucose for contaminating microorganisms and undesired glucose repression effects. The iSUCCELL platform will be built upon the robust Saccharomyces cerevisiae strains currently present in 1G biorefineries, which offer competitive advantage in non-aseptic environments, and into which intracellular hydrolyses of sucrose and cellobiose will be engineered. It is expected that high yields of ethanol can be achieved in a process with cell recycling, lower contamination levels and decreased antibiotic use, when compared to current 2G technologies.
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Affiliation(s)
| | - Vijayendran Raghavendran
- Department of Molecular Biology and Biotechnology, University of Sheffield, Firth Court, Western Bank, Sheffield S10 2TN, UK
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Haouache S, Karam A, Chave T, Clarhaut J, Amaniampong PN, Garcia Fernandez JM, De Oliveira Vigier K, Capron I, Jérôme F. Selective radical depolymerization of cellulose to glucose induced by high frequency ultrasound. Chem Sci 2020; 11:2664-2669. [PMID: 34084325 PMCID: PMC8157487 DOI: 10.1039/d0sc00020e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The depolymerization of cellulose to glucose is a challenging reaction and often constitutes a scientific obstacle in the synthesis of downstream bio-based products. Here, we show that cellulose can be selectively depolymerized to glucose by ultrasonic irradiation in water at a high frequency (525 kHz). The concept of this work is based on the generation of H˙ and ˙OH radicals, formed by homolytic dissociation of water inside the cavitation bubbles, which induce the cleavage of the glycosidic bonds. The transfer of radicals on the cellulose particle surfaces prevents the side degradation of released glucose into the bulk solution, allowing maintaining the selectivity to glucose close to 100%. This work is distinguished from previous technologies in that (i) no catalyst is needed, (ii) no external source of heating is required, and (iii) the complete depolymerization of cellulose is achieved in a selective fashion. The addition of specific radical scavengers coupled to different gaseous atmospheres and ˙OH radical dosimetry experiments suggested that H˙ radicals are more likely to be responsible for the depolymerisation of cellulose.
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Affiliation(s)
- Somia Haouache
- Institut de Chimie des Milieux et Matériaux de Poitiers, Université de Poitiers-CNRS 1 Rue Marcel Doré 86073 Poitiers France .,INRA, Site de la Géraudière 44316 Nantes France
| | - Ayman Karam
- Institut de Chimie des Milieux et Matériaux de Poitiers, Université de Poitiers-CNRS 1 Rue Marcel Doré 86073 Poitiers France
| | - Tony Chave
- ICSM, Univ Montpellier, CNRS, CEA, ENSCM Bagnols-sur-Cèze France
| | - Jonathan Clarhaut
- Institut de Chimie des Milieux et Matériaux de Poitiers, Université de Poitiers-CNRS 1 Rue Marcel Doré 86073 Poitiers France
| | - Prince Nana Amaniampong
- Institut de Chimie des Milieux et Matériaux de Poitiers, Université de Poitiers-CNRS 1 Rue Marcel Doré 86073 Poitiers France
| | - José M Garcia Fernandez
- Institute for Chemical Research, CSIC and University of Sevilla Americo Vespucio 49, Isla de la Cartuja 41092 Sevilla Spain
| | - Karine De Oliveira Vigier
- Institut de Chimie des Milieux et Matériaux de Poitiers, Université de Poitiers-CNRS 1 Rue Marcel Doré 86073 Poitiers France
| | | | - François Jérôme
- Institut de Chimie des Milieux et Matériaux de Poitiers, Université de Poitiers-CNRS 1 Rue Marcel Doré 86073 Poitiers France
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Deficiency of β-Glucosidase Beneficial for the Simultaneous Saccharification and Lipid Production by the Oleaginous Yeast Lipomyces starkeyi. Appl Biochem Biotechnol 2019; 190:745-757. [PMID: 31485895 DOI: 10.1007/s12010-019-03129-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 08/25/2019] [Indexed: 10/26/2022]
Abstract
It is inevitably for cellobiose to be co-generated during enzymatic hydrolysis of cellulose, especially when the cellulase is lack of β-glucosidase activity. In the present study, cellobiose was found superior to glucose for cell growth by L. starkeyi, regardless of the sugar concentrations. Glucose was assimilated preferentially when cellobiose and glucose were co-fermented. Deficiency of β-glucosidase was observed to be beneficial for the simultaneous saccharification and lipid production (SSLP). High lipid titer and cellulose conversion of 9.1 g/L and 92.4%, respectively, were achieved when cellulase with low β-glucosidase activity was supplemented. The SSLP achieved higher lipid titer of 9.5 g/L when a pre-hydrolysis process was introduced. The glucosidase generated by L. starkeyi was primarily cell-bound, which contributed significantly to the cellobiose utilization and the high lipid production. These results provided a novel scheme for enhanced lipid production from lignocellulosic biomass with reduced enzyme usage, which is believed to facilitate the design of a more cost-effective lignocellulose-to-lipid route.
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