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Yu S, He J, Zhang Z, Sun Z, Xie M, Xu Y, Bie X, Li Q, Zhang Y, Sevilla M, Titirici MM, Zhou H. Towards Negative Emissions: Hydrothermal Carbonization of Biomass for Sustainable Carbon Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307412. [PMID: 38251820 DOI: 10.1002/adma.202307412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/02/2024] [Indexed: 01/23/2024]
Abstract
The contemporary production of carbon materials heavily relies on fossil fuels, contributing significantly to the greenhouse effect. Biomass is a carbon-neutral resource whose organic carbon is formed from atmospheric CO2. Employing biomass as a precursor for synthetic carbon materials can fix atmospheric CO2 into solid materials, achieving negative carbon emissions. Hydrothermal carbonization (HTC) presents an attractive method for converting biomass into carbon materials, by which biomass can be transformed into materials with favorable properties in a distinct hydrothermal environment, and these carbon materials have made extensive progress in many fields. However, the HTC of biomass is a complex and interdisciplinary problem, involving simultaneously the physical properties of the underlying biomass and sub/supercritical water, the chemical mechanisms of hydrothermal synthesis, diverse applications of resulting carbon materials, and the sustainability of the entire technological routes. This review starts with the analysis of biomass composition and distinctive characteristics of the hydrothermal environment. Then, the factors influencing the HTC of biomass, the reaction mechanism, and the properties of resulting carbon materials are discussed in depth, especially the different formation mechanisms of primary and secondary hydrochars. Furthermore, the application and sustainability of biomass-derived carbon materials are summarized, and some insights into future directions are provided.
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Affiliation(s)
- Shijie Yu
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Jiangkai He
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Zhien Zhang
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH, 43210, USA
| | - Zhuohua Sun
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, P.R. China
| | - Mengyin Xie
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Yongqing Xu
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Xuan Bie
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Qinghai Li
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Yanguo Zhang
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
| | - Marta Sevilla
- Instituto de Ciencia y Tecnología del Carbono (INCAR), CSIC, Francisco Pintado Fe 26, Oviedo, 33011, Spain
| | | | - Hui Zhou
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Beijing Key Laboratory of CO2 Utilization and Reduction Technology, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P.R. China
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Mukhametov A, Kazak A, Serikkyzy M. Optimal Hydrothermal Treatment of Sesame Seeds to Retain Most of the Nutrients. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2023; 78:207-212. [PMID: 36633781 DOI: 10.1007/s11130-022-01042-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Sesame oil is an important source of nutrients. Thus, there is a need to develop new technologies, which preserve the integrity of these substances in processed oil. The aim of the study was to outline the optimal hydrothermal treatment of sesame seeds, which would enable preserving its therapeutic properties. White sesame seeds were used as raw materials. They were treated with infrared radiation (900 watts per 1 m2), followed by hydrothermal treatment. Infrared treatment decreased the seed moisture content of 10-16% by 1.5-2.0 times. A range of important compounds was preserved after treatment, such as fatty acids (ranging from 5 to 45%, depending on the type of compound). The following fatty acids were found in the oil composition: linoleic (40-43%), palmitic (7%), stearic (5%), and oleic (43-45%). In addition, vitamin E was found (130 mg per 100 g). The oil can be stored for long periods as it contains trace amounts of water and dissolved oxygen.
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Affiliation(s)
- Almas Mukhametov
- Kazakh National Agrarian Research University, Abai Avenue, 8, 050010, Almaty, Kazakhstan.
| | - Anastasia Kazak
- Federal State Budgetary Educational Institution of Higher Education Northern Trans-Ural State Agricultural University, Tyumen, Russian Federation
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Liu C, Fang Y, Tang J, Chen Z. Derivatization of dihydrotetrabenazine for technetium-99m labelling towards a radiotracer targeting vesicular monoamine transporter 2. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Gunes K, Sargin S, Celiktas MS. Investigation of lactic acid production by pressurized liquid hot water from cultivated Miscanthus × giganteus. Prep Biochem Biotechnol 2022; 53:22-30. [PMID: 35156549 DOI: 10.1080/10826068.2022.2035745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The production of lactic acid, a polylactic acid monomer from energy crop Miscanthus × giganteus lignocellulosic biomass cultivated in Izmir was investigated. Liquid hot water (LHW) pretreatment was carried out at a temperature range of 140-200 °C, pressure 100 to 200 bar and reaction time of 15-45 min at a fixed flow rate of 2 mL/min using D-optimal experimental plan. The optimum conditions were elicited as 140 °C, 100 bar and 45 minutes, yielding the highest reducing sugar content of 77.32 mg/g, whereas 1.25 mg/mL arabinose and 1.35 mg/mL xylose as monomeric sugars. Subsequently, the enzymatic hydrolysis was applied to the solid fraction. The optimum conditions for enzymatic hydrolysis were determined as 5% (w/v) solid/liquid ratio, 20 FPU/mL enzyme loading and 72 hours, revealing the highest amount of reducing sugar as 200 mg/mL. LHW hydrolysate was used as a production medium for lactic acid manufacturing in submerged fermentation by Rhizopus oryzae. The maximum lactic acid content was found to be 6.8 g/L at 24 hours, whereas the lactic acid yield was 0.28 g/L.h. The sequential design of LHW, followed by enzymatic hydrolysis and submerged lactic acid fermentation can be utilized in industry, contributing to the bioeconomy.
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Affiliation(s)
- Kaniye Gunes
- Solar Energy Institute, Ege University, Izmir, Turkey
| | - Sait Sargin
- Department of Bioengineering, Faculty of Engineering, Ege University, Izmir, Turkey
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Lyu H, Zhang J, Zhou J, Lv C, Geng Z. The byproduct-organic acids strengthened pretreatment of cassava straw: Optimization and kinetic study. BIORESOURCE TECHNOLOGY 2019; 290:121756. [PMID: 31295573 DOI: 10.1016/j.biortech.2019.121756] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 06/09/2023]
Abstract
The subcritical liquid hot water (SLHW) pretreatment could be strengthened by its byproduct-organic acids, such as acetic acid (AA), lactic acid (LA) and formic acid (FA). The effects of these three acids on the pretreatment were investigated by the yield of fermentable sugars. The results showed that the addition of acids could effectively catalyze the hydrolysis of hemicellulose to C5 sugars and contribute to the subsequent enzymatic hydrolysis of cellulose. It was found that all three organic acids promote xylose production, and the copresence of AA + LA could limit the content of the fermentation inhibitor. The optimum proportion of three organic acids were 0.33 wt%AA + 0.45 wt%LA + 0.20 wt%FA, and the yield of C5 sugars after pretreatment and C6 sugar after enzymatic hydrolysis were 89.06% and 78.56%, respectively. The kinetic studies proved that byproduct-organic acids could promote xylose production and inhibit its further degradation and explained that xylose would accumulate at lower temperatures.
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Affiliation(s)
- Huisheng Lyu
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Jia Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Jinyi Zhou
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Chunliu Lv
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Zhongfeng Geng
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China.
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