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Article
Agricultural Engineering
Zhengyu Tang et al.
BIORESOURCE TECHNOLOGY
(2023)
Article
Chemistry, Applied
Hengye Li et al.
Summary: By knitting benzylated ss-cyclodextrin (BnCD) with dimethoxypillar[5]arene (P[5]), porous copolymers (P[5]-BnCDs) containing two kinds of macrocycles were synthesized with yields not less than 97%. The molar ratio of P[5]/BnCD greatly influenced the porosity and adsorption performance of P[5]-BnCDs. When the molar ratio of P[5]/BnCD was 4/1, P[5]-BnCD (4-1) exhibited a surface area of up to 515.95 m(2)/g and showed fast adsorption kinetics, high adsorption capacity, and good reusability towards model organic micropollutants (OMPs). The adsorption mechanism was dominated by host-guest and hydrophobic interactions, and the adsorption at environmentally relevant concentrations demonstrated the practicality and superiority in extracting OMPs at the µg/L level.
CARBOHYDRATE POLYMERS
(2023)
Article
Energy & Fuels
Xiao-le Liu et al.
Summary: In this study, wheat straw was pretreated with a combination of ball milling (BM) and NaAlO2 particles (NaAlO2-BM) for efficient enzymatic hydrolysis. The results showed that NaAlO2-BM pretreatment significantly reduced particle size to tissue scale within 10 minutes, with 0.5 times lower energy consumption compared to BM pretreatment. The 20-minute NaAlO2-BM pretreatment achieved a glucose yield of 95.4% and the highest energy efficiency of 0.121 kg glucose/kWh, increasing by 1.1 times than BM pretreatment. Energy consumption was positively correlated with cellulose content and negatively correlated with particle size, cellulose crystallinity, and energy efficiency. The combination of BM and NaAlO2 particles proved to be a promising pretreatment approach for glucose production and improving energy efficiency during lignocellulosic hydrolysis.
Article
Engineering, Chemical
Junhao Li et al.
Summary: Currently, water is increasingly being polluted by endocrine-disrupting chemicals (EDCs) and heavy metals (HMs). In this study, a sulfhydryl-rich beta-cyclodextrin polymer (SH-CDP) was prepared for the adsorption of Pb2+ and bisphenol A (BPA), as representatives of HMs and EDCs, respectively. The SH-CDP exhibited excellent adsorption performance with a theoretical maximum adsorption capacity of 604.65 mg/g for Pb2+ and 287.88 mg/g for BPA. The adsorption process of Pb2+ by SH-CDP reached equilibrium within 60 s due to chelation between Pb2+ and sulfhydryl group, indicating an ultra-fast adsorption rate. The independent adsorption sites of Pb2+ and BPA by SH-CDP allowed favorable adsorption performance even in the presence of both pollutants. Additionally, SH-CDP maintained stable adsorption performance after five consecutive cycles. These results highlight the potential of SH-CDP as an effective material for treating HMs and EDCs in wastewater.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Biotechnology & Applied Microbiology
Mohd Haffizi Hasni et al.
Summary: This study investigates the potential of using lignocellulosic biomass as a feedstock for microbial biodiesel production through consolidated bioprocessing. Rhizopus sp. was found to be the most effective lipid producer, and the optimized CBP system yielded biodiesel with promising fuel properties.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2023)
Article
Agricultural Engineering
Jinshu Huang et al.
Summary: A light-induced photothermal process using a biomass-based catalyst was demonstrated to efficiently produce biodiesel from microalgae lipids at room temperature with a high yield of 96.8%. The process involved interfacial solar heating, which created a local photothermal catalytic system leading to evaporation and removal of water and facilitating the forward reaction. The photothermal catalyst showed higher conversion rate compared to the industrially used catalyst H2SO4 and had energy-saving and environmental advantages.
BIORESOURCE TECHNOLOGY
(2023)
Article
Energy & Fuels
Jinyu Tan et al.
Summary: A novel ternary deep eutectic solvent (DES) was designed for wheat straw pretreatment, which achieved non-condensed lignin and high-yield fermentable sugars. The introduction of ethylene glycol into the DES protected lignin structure and improved enzymatic digestibility of cellulose. Trichosporon cutaneum cultivated in the waste liquid and residue hydrolysate produced 8.7 g microbial lipid per 100 g wheat straw, surpassing previous reports.
Article
Green & Sustainable Science & Technology
Cheng Cai et al.
Summary: Hydrolyzing lignocellulose and transforming it into chemicals and fuels is an essential aspect of biorefining. Previously, lignin was believed to inhibit the enzymatic hydrolysis of lignocellulosic substrates. However, recent research has shown that under specific conditions, lignin can actually increase the sugar yield and act as an activator/promoter of enzymatic hydrolysis. Furthermore, lignin-based carriers have been developed to reduce the load and cost of cellulases.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2023)
Article
Agricultural Engineering
Lei Zhong et al.
Summary: A microwave-assisted guanidine hydrochloride deep eutectic solvent was developed for the pretreatment of castor stalk, showing high efficiency in delignification and enzymatic saccharification, as well as excellent lignin recovery. The guanidine hydrochloride-based DES demonstrated good recyclability and high cellulose hydrolysis rates, making it a promising pretreatment solvent for future biorefinery strategies.
BIORESOURCE TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Patrycja Janicka et al.
Summary: In recent years, the development of green and sustainable technologies has gained momentum due to increasing awareness of the harmfulness of chemicals to the environment. Supramolecular deep eutectic solvents (SUPRADESs) are a new subclass of solvents that possess inclusion properties, allowing for selective binding of various chemical compounds. Combining the environmentally friendly properties of deep eutectic solvents (DESs) with cyclodextrins, SUPRADESs have the potential to revolutionize the field of green chemistry.
Article
Agricultural Engineering
Kaili Zhang et al.
Summary: This study investigated the role of formaldehyde in inhibiting lignin condensation during corn stalk pretreatment with [C4C1im]Cl/HCl system. Formaldehyde addition affected the structural features of lignin and the composition of degraded products significantly.
Stabilization by formaldehyde was unfavorable for the cleavage of ?-O-4 bonds, leading to the extraction of lignin with low S/G ratio and high molecular weight in the [C4C1im]Cl/HCl/FA system.
BIORESOURCE TECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Yongzhuang Liu et al.
Summary: Deep eutectic solvents (DES) are intriguing green reaction media for biomass processing, however, the typical drawback of undesired lignin condensation has been addressed by developing a tunable ternary DES system that allows for stabilization of reactive intermediates for efficient lignocellulose fractionation.
NATURE COMMUNICATIONS
(2021)
Article
Engineering, Environmental
Qiuyuan Huang et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Review
Chemistry, Multidisciplinary
Aya Zoghlami et al.
FRONTIERS IN CHEMISTRY
(2019)
Review
Chemistry, Multidisciplinary
Zhuohua Sun et al.
Article
Engineering, Chemical
Weiwei Huang et al.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2018)
Review
Green & Sustainable Science & Technology
Sanjay Nagarajan et al.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2017)
Article
Multidisciplinary Sciences
Li Shuai et al.
Article
Engineering, Chemical
Yanbo Zhou et al.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2014)
