Article
Agricultural Engineering
Carla Ferreira dos Santos Vieira, Mateus Cavichioli Codogno, Francisco Maugeri Filho, Rubens Maciel Filho, Adriano Pinto Mariano
Summary: This study demonstrates that Clostridium beijerinckii DSM 6423 is able to co-ferment first- and second-generation sugars while consuming lactic acid, resulting in high butanol yield.
BIORESOURCE TECHNOLOGY
(2021)
Article
Biotechnology & Applied Microbiology
Alejandro Hurtado, Catalina Arroyave, Carlos Pelaez
Summary: This study evaluated the feasibility of using effluent from anaerobic digestion of vinasse as a replacement for freshwater in ethanol production, finding that it can be reused to dilute sugarcane molasses for ethanol production without affecting the vitality of yeast cells. Further research is needed to understand the relationship between buffering capacity of the molasses/effluent mixture and ethanol production.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Engineering, Chemical
Ayele Alemu, Minale Getachew, Gulam Mohammed Sayeed Ahmed, Vineet Tirth, Ali Algahtani
Summary: This study conducted at a laboratory scale at the ethanol plant of Metehara sugar factory aimed to assess the impact of recycling vinasse into the fermentation process on effluent reduction. The results showed that up to 20% vinasse recycling did not affect ethanol yield, fermentation efficiency, residual sugar concentration, or calcium oxide content. However, above 20% recycling, ethanol yield and fermentation efficiency decreased significantly. Recycling 20% vinasse led to a reduction in vinasse generation and water consumption. The study suggests that recycling vinasse up to 20% is feasible without affecting the distillery's performance.
Article
Agricultural Engineering
Ruiling Gao, Lian Xiong, Mengkun Wang, Fen Peng, Hairong Zhang, Xinde Chen
Summary: Coupled fermentation of Clostridium acetobutylicum and oleaginous yeasts was conducted to produce acetone-butanol-ethanol (ABE) and lipids from sugarcane molasses. The results showed that the ABE fermentation wastewaters could be effectively treated and the added value of the products could be increased through coupling with lipid-producing fermentation process. Different types of wastewaters were analyzed and classified based on their carbon source content and structure. Oleaginous yeasts, including Trichosporon dermatis and Lipomyces starkeyi, were cultured on the two types of wastewaters and their lipid productions and removals of COD and ammonia were evaluated. The findings suggest that Trichosporon dermatis performed well on both types of wastewaters, while Lipomyces starkeyi achieved the highest lipid production on Type-2 wastewater.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Energy & Fuels
Sarah de Souza Queiroz, Fanny Machado Jofre, Henrique Azank dos Santos, Andres Felipe Hernandez-Perez, Maria das Gracas de Almeida Felipe
Summary: Co-production systems are a strategy used to diversify production chains and enable more profitable processes. This study evaluated the co-production of xylitol and ethanol by Candida tropicalis using sugarcane by-products and molasses supplementation. The results showed the potential for integrating xylitol and ethanol production in sugarcane biorefineries by utilizing sugarcane by-products.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Energy & Fuels
Siwames Netsopa, Mallika Boonmee Kongkeitkajorn, Prawphan Yuvadetkun, Tatsuya Matsuno, Atsushi Minamino, Takuya Kasahara, Koji Kobayashi, Shigeyuki Funada
Summary: The impact of integrating cellulosic sugar syrup (CSS) into molasses-based ethanol production was assessed. The results showed that integrating CSS did not affect ethanol production and fermentation efficiency. It also reduced the chemical oxygen demand (COD) of the spent wash and increased its biodegradability.
Article
Green & Sustainable Science & Technology
Laise Moura Furtado, Dairon Perez Fuentes, Romulo Augusto Ando, Pedro Vitoriano Oliveira, Denise Freitas Siqueira Petri
Summary: Low-cost eco-friendly adsorbents, consisting of CMC, PDA, and BG, were developed for water treatment. These biobased adsorbents showed high efficiency in removing Pb2+ ions and other metal ions from wastewater. Their potential application in the treatment of complex wastewater from undergraduate laboratories was demonstrated.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Biochemistry & Molecular Biology
Sameeha Syed Abdul Rahman, Saroja Pasupathi, Sugumaran Karuppiah
Summary: This study compares the yield of microbial dextran using treated sugarcane molasses as a feed stock from different treatment methods. The structural analysis and rheological behavior of the produced dextran are also investigated.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Review
Agricultural Engineering
Prawat Sukphun, Worapong Wongarmat, Tsuyoshi Imai, Sureewan Sittijunda, Sumate Chaiprapat, Alissara Reungsang
Summary: The transition to renewable energy sources is essential for a sustainable future. This review focuses on the potential of two-stage anaerobic digestion (TSAD) for utilizing waste from the sugar and ethanol industries, specifically for biohydrogen and methane production. Various factors affecting TSAD process performance are discussed, along with its ability to reduce greenhouse gas emissions. The review also highlights recent findings and promising future research related to TSAD, including advanced approaches like meta-omics, gene manipulation, and bioaugmentation.
BIORESOURCE TECHNOLOGY
(2023)
Article
Food Science & Technology
Arianna Nunez Caraballo, Anna Ilina, Rodolfo Ramos Gonzalez, Cristobal N. Aguilar, Georgina Michelena Alvarez, Adriana Carolina Flores Gallegos, Jose Sandoval-Cortes, Miguel A. Aguilar-Gonzalez, Nicolas Oscar Soto-Cruz, Jose Daniel Garcia Garcia, Jose L. Martinez-Hernandez
Summary: The study compared the fermentation with immobilized system and free yeast, showing that the presence of manganese ferrite nanoparticles significantly reduced fermentation time, increased ethanol titer and productivity.
FRONTIERS IN SUSTAINABLE FOOD SYSTEMS
(2021)
Article
Green & Sustainable Science & Technology
R. S. Vilela, L. T. Fuess, F. T. Saia, C. R. M. Silveira, C. A. Oliveira, P. A. Andrade, A. Langenhoff, B. van der Zaan, F. Cop, G. B. Gregoracci, M. H. R. Z. Damianovic
Summary: This study presents an alternative bioenergy management approach for sugarcane molasses through two-stage anaerobic digestion system, showcasing efficient biohydrogen production in the acidogenic stage and effective methane production at low organic loading rates in the methanogenic stage. It was observed that efficient methane production was only achieved at lower OLR, indicating the prevailing hydrogenotrophic methanogenesis pathway in the system.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Agricultural Engineering
Xiaoming Guo, Hualei Chen, Zhiming Wang, Zhaojie Chen, Shujuan Yu
Summary: This study explores the effectiveness of sugarcane molasses (SCM) in inducing low methoxy pectin (LMP) gelation for the first time and demonstrates a strategy for preparing LMP gels with antioxidant properties.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Engineering, Environmental
Yanan Li, Jie Wan, Hongliang Gao, Xuexia Yang
Summary: Curdlan production by Agrobacterium sp. DH-2 using sugarcane molasses as a carbon source was investigated. Pretreatment of molasses and optimization of the medium composition resulted in a significant increase in curdlan production. The addition of (NH4)(2)HPO4 was found to be effective in enhancing curdlan production.
JOURNAL OF POLYMERS AND THE ENVIRONMENT
(2023)
Article
Engineering, Environmental
Eduardo Bittencourt Sydney, Julio Cesar de Carvalho, Luiz Alberto Junior Letti, Antonio Irineudo Magalhaes, Susan Grace Karp, Walter Jose Martinez-Burgos, Esteffany de Souza Candeo, Cristine Rodrigues, Luciana Porto de Souza Vandenberghe, Carlos Jose Dalmas Neto, Luis Alberto Zevallos Torres, Adriane Bianchi Pedroni Medeiros, Adenise Lorenci Woiciechowski, Carlos Ricardo Soccol
Summary: The sugarcane industry produces large amounts of waste and has a significant environmental impact, necessitating the adoption of more sustainable technologies. In the future, continued research is needed for the use of pure CO2 and other technologies to increase environmental sustainability.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Green & Sustainable Science & Technology
Wen Wang, Mengxuan Zhang, Shijun Liu, Qiong Wang, Yunzi Hu, Cuiyi Liang, YunYun Liu, Hui Liu, Wei Qi
Summary: High energy consumption is a major obstacle for the conversion of lignocellulose into biofuels and biochemicals. In this study, a self-designed pilot-scale device with recycling of black liquor and waste washing water was used for low-temperature pretreatment and high-solid enzymatic hydrolysis of sugarcane bagasse. The results showed that the enzymatic hydrolysis of the treated sugarcane bagasse achieved a high glucose concentration and glucan conversion. A low-energy strategy for cellulosic ethanol production with low emission was proposed.
JOURNAL OF CLEANER PRODUCTION
(2022)