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Li Y, Liu M, Tang Q, Liang K, Sun Y, Yu Y, Lou Y, Liu Y, Yu H. Hydrogen-transfer strategy in lignin refinery: Towards sustainable and versatile value-added biochemicals. CHEMSUSCHEM 2024; 17:e202301912. [PMID: 38294404 DOI: 10.1002/cssc.202301912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/17/2024] [Accepted: 01/29/2024] [Indexed: 02/01/2024]
Abstract
Lignin, the most prevalent natural source of polyphenols on Earth, offers substantial possibilities for the conversion into aromatic compounds, which is critical for attaining sustainability and carbon neutrality. The hydrogen-transfer method has garnered significant interest owing to its environmental compatibility and economic viability. The efficacy of this approach is contingent upon the careful selection of catalytic and hydrogen-donating systems that decisively affect the yield and selectivity of the monomeric products resulting from lignin degradation. This paper highlights the hydrogen-transfer technique in lignin refinery, with a specific focus on the influence of hydrogen donors on the depolymerization pathways of lignin. It delineates the correlation between the structure and activity of catalytic hydrogen-transfer arrangements and the gamut of lignin-derived biochemicals, utilizing data from lignin model compounds, separated lignin, and lignocellulosic biomass. Additionally, the paper delves into the advantages and future directions of employing the hydrogen-transfer approach for lignin conversion. In essence, this concept investigation illuminates the efficacy of the hydrogen-transfer paradigm in lignin valorization, offering key insights and strategic directives to maximize lignin's value sustainably.
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Affiliation(s)
- Yilin Li
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Meng Liu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Qi Tang
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Kaixia Liang
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Yaxu Sun
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Yanyan Yu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Yuhan Lou
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Yongzhuang Liu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Haipeng Yu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
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2
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Ewuzie RN, Genza JR, Abdullah AZ. Review of the application of bimetallic catalysts coupled with internal hydrogen donor for catalytic hydrogenolysis of lignin to produce phenolic fine chemicals. Int J Biol Macromol 2024; 265:131084. [PMID: 38521312 DOI: 10.1016/j.ijbiomac.2024.131084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 03/12/2024] [Accepted: 03/20/2024] [Indexed: 03/25/2024]
Abstract
Lignocellulosic biomass contains lignin, an aromatic and oxygenated substance and a potential method for lignin utilization is achieved through catalytic conversion into useful phenolic and aromatic monomers. The application of monometallic catalysts for lignin hydrogenolysis reaction remains one of the major reasons for the underutilization of lignin to produce valuable chemicals. Monometallic catalysts have many limitations such as limited catalytic sites for interacting with different lignin linkages, poor catalytic activity, low lignin conversion, and low product selectivity. It is due to lack of synergy with other metallic catalysts that can enhance the catalytic activity, stability, selectivity, and overall catalytic performance. To overcome these limitations, works on the application of bimetallic catalysts that can offer higher activity, selectivity, and stability have been initiated. In this review, cutting-edge insights into the catalytic hydrogenolysis of lignin, focusing on the production of phenolic and aromatic monomers using bimetallic catalysts within an internal hydrogen donor solvent are discussed. The contribution of this work lies in a critical discussion of recent reported findings, in-depth analyses of reaction mechanisms, optimal conditions, and emerging trends in lignin catalytic hydrogenolysis. The specific effects of catalytic active components on the reaction outcomes are also explored. Additionally, this review extends beyond current knowledge, offering forward-looking suggestions for utilizing lignin as a raw material in the production of valuable products across various industrial processes. This work not only consolidates existing knowledge but also introduces novel perspectives, paving the way for future advancements in lignin utilization and catalytic processes.
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Affiliation(s)
| | - Jackson Robinson Genza
- School of Chemical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia
| | - Ahmad Zuhairi Abdullah
- School of Chemical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.
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3
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Shen Z, Shi C, Liu F, Wang W, Ai M, Huang Z, Zhang X, Pan L, Zou J. Advances in Heterogeneous Catalysts for Lignin Hydrogenolysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306693. [PMID: 37964410 PMCID: PMC10767463 DOI: 10.1002/advs.202306693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/04/2023] [Indexed: 11/16/2023]
Abstract
Lignin is the main component of lignocellulose and the largest source of aromatic substances on the earth. Biofuel and bio-chemicals derived from lignin can reduce the use of petroleum products. Current advances in lignin catalysis conversion have facilitated many of progress, but understanding the principles of catalyst design is critical to moving the field forward. In this review, the factors affecting the catalysts (including the type of active metal, metal particle size, acidity, pore size, the nature of the oxide supports, and the synergistic effect of the metals) are systematically reviewed based on the three most commonly used supports (carbon, oxides, and zeolites) in lignin hydrogenolysis. The catalytic performance (selectivity and yield of products) is evaluated, and the emerging catalytic mechanisms are introduced to better understand the catalyst design guidelines. Finally, based on the progress of existing studies, future directions for catalyst design in the field of lignin depolymerization are proposed.
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Affiliation(s)
- Zhensheng Shen
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Chengxiang Shi
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Fan Liu
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Wei Wang
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Minhua Ai
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Zhenfeng Huang
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Xiangwen Zhang
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Lun Pan
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
| | - Ji‐Jun Zou
- Key Laboratory for Green Chemical Technology of Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin)Tianjin300072China
- Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192China
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Zhang J, Ge Y, Li Z. Catalytic hydrothermal liquefaction of alkali lignin for monophenols production over homologous biochar-supported copper catalysts in water. Int J Biol Macromol 2023; 253:126656. [PMID: 37660845 DOI: 10.1016/j.ijbiomac.2023.126656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/08/2023] [Accepted: 08/30/2023] [Indexed: 09/05/2023]
Abstract
Constructing an advanced catalytic system for the purposeful liquefaction of lignin into chemicals has presented a significant prospect for sustainable development. In this work, the catalytic process of mesoporous homologous biochar (HBC) derived from alkali lignin supported copper catalysts (Cu/HBC) was reported for catalytic liquefaction of alkali lignin to monophenols. The characterization results revealed HBC promoted the formation of metal-support strong interaction and the generation of oxygen vacancies, enhancing the acid sites of Cu/HBC. Under the optimal conditions (0.2 g alkali lignin, 280 °C, 0.05 g Cu/HBC, 6 h, 18 mL water), the monophenol yield reached 75.01 ± 0.76 mg/g, and the bio-oil yield was 57.98 ± 1.76%. The copious mesopores, high surface area, and rich acidic sites were responsible for the high activity of Cu/HBC, which significantly outperformed the controlled catalysts, such as HBC, commercial activated carbon (AC), and reported Ni/AC, Ni/MCM-41, etc. In four consecutive runs, the catalytic performance of Cu/HBC was only reduced by 3.65% per cycle. Interestingly, catechol was selectively produced with Cu/HBC, which provided an effective strategy for the conversion of G/S-type lignin to catechyl phenolics (C-type). These findings indicate that the Cu/HBC will be a promising substitution of noble metal-supported catalysts for conversion biomass into high value-added phenolics.
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Affiliation(s)
- Jiubing Zhang
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning, 530004, China; Guangxi Academy of Sciences, Nanning 530007, China
| | - Yuanyuan Ge
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning, 530004, China
| | - Zhili Li
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning, 530004, China.
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Suo C, Li W, Luo S, Ma C, Liu S. Multisite photocatalytic depolymerization of lignin model compound utilizing full-spectrum light over magnetic microspheres. iScience 2023; 26:108167. [PMID: 37920663 PMCID: PMC10618704 DOI: 10.1016/j.isci.2023.108167] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/20/2023] [Accepted: 10/05/2023] [Indexed: 11/04/2023] Open
Abstract
Photocatalytic depolymerization is a high value-added approach for utilization of lignin. In this study, magnetic microspheres of FeCoRu@SiO2-TiO2 were synthesized by a co-precipitation method. Doping with CoOx and RuOx was used to improve the response to visible light, and doping with TiO2 was used to improve the response to ultraviolet light (λ < 380 nm). The lignin model compound depolymerization rate was >90%. The electron paramagnetic resonance results showed that the reaction occurred in two steps (aerobic phase and oxygen-free phase). Most of the O2- was produced in the first step by cleavage of C-O bonds. The second step was inhibited in an oxygen-free atmosphere. This research provides a valid method for enhancing the photocatalytic properties using full-spectrum light and exploring the lignin photocatalytic depolymerization mechanism. Further research is required to develop the catalyst properties and performance to produce radicals.
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Affiliation(s)
- Chengcheng Suo
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Wei Li
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Sha Luo
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Chunhui Ma
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Shouxin Liu
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
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Qi Y, Zeng X, Xiong L, Lin X, Liu B, Qin Y. Efficient conversion of lignin to alkylphenols over highly stable inverse spinel MnFe2O4 catalysts. Front Chem Sci Eng 2023. [DOI: 10.1007/s11705-022-2236-1] [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]
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Lignocellulosic Biorefinery Technologies: A Perception into Recent Advances in Biomass Fractionation, Biorefineries, Economic Hurdles and Market Outlook. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9030238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Lignocellulosic biomasses (LCB) are sustainable and abundantly available feedstocks for the production of biofuel and biochemicals via suitable bioconversion processing. The main aim of this review is to focus on strategies needed for the progression of viable lignocellulosic biomass-based biorefineries (integrated approaches) to generate biofuels and biochemicals. Processing biomass in a sustainable manner is a major challenge that demands the accomplishment of basic requirements relating to cost effectiveness and environmental sustainability. The challenges associated with biomass availability and the bioconversion process have been explained in detail in this review. Limitations associated with biomass structural composition can obstruct the feasibility of biofuel production, especially in mono-process approaches. In such cases, biorefinery approaches and integrated systems certainly lead to improved biofuel conversion. This review paper provides a summary of mono and integrated approaches, their limitations and advantages in LCB bioconversion to biofuel and biochemicals.
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Reductive Catalytic Fractionation of Abies Wood into Bioliquids and Cellulose with Hydrogen in an Ethanol Medium over NiCuMo/SiO2 Catalyst. Catalysts 2023. [DOI: 10.3390/catal13020413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
Noble metal-based catalysts are widely used to intensify the processes of reductive fractionation of lignocellulose biomass. In the present investigation, we proposed for the first time using the inexpensive NiCuMo/SiO2 catalyst to replace Ru-, Pt-, and Pd-containing catalysts in the process of reductive fractionation of abies wood into bioliquids and cellulose products. The optimal conditions of abies wood hydrogenation were selected to provide the effective depolymerization of wood lignin (250 °C, 3 h, initial H2 pressure 4 MPa). The composition and structure of the liquid and solid products of wood hydrogenation were established. The NiCuMo/SiO2 catalyst increases the yield of bioliquids (from 36 to 42 wt%) and the content of alkyl derivatives of methoxyphenols, predominantly 4-propylguaiacol and 4-propanolguaiacol. A decrease in the molecular mass and polydispersity (from 1870 and 3.01 to 1370 Da and 2.66, respectively) of the liquid products and a threefold increase (from 9.7 to 36.8 wt%) in the contents of monomer and dimer phenol compounds were observed in the presence of the catalyst. The solid product of catalytic hydrogenation of abies wood contains up to 73.2 wt% of cellulose. The composition and structure of the solid product were established using IRS, XRD, elemental and chemical analysis. The data obtained show that the catalyst NiCuMo/SiO2 can successfully replace noble metal catalysts in the process of abies wood reductive fractionation into bioliquids and cellulose.
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Catalytic hydroconversion of poplar lignin over a nitrogen-doped carbon material-supported nickel prepared by in situ co-pyrolysis. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Xie JX, Cao JP, Jiang W, Zhao YP, Zhao XY, Zhang C, Cong HL, Bai HC. Nickel Loaded on Porous Activated Carbons Derived from Waste Sugar Residue with Superior Catalytic Hydrogenolysis Performance. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jin-Xuan Xie
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou221116, Jiangsu, China
| | - Jing-Pei Cao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou221116, Jiangsu, China
- College of Materials Engineering, Xuzhou College of Industrial Technology, Xuzhou221140, Jiangsu, China
- State Key Laboratory of High-Efficient Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan750021, Ningxia, China
| | - Wei Jiang
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou221116, Jiangsu, China
| | - Yun-Peng Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou221116, Jiangsu, China
| | - Xiao-Yan Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou221116, Jiangsu, China
| | - Chuang Zhang
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou221116, Jiangsu, China
| | - Hou-Luo Cong
- College of Materials Engineering, Xuzhou College of Industrial Technology, Xuzhou221140, Jiangsu, China
| | - Hong-Cun Bai
- State Key Laboratory of High-Efficient Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan750021, Ningxia, China
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Guo Y, Xuan K, Pu C, Li Y, Huang Y, Guo Y, Jia M, Li J, Ruan H. Effect of activator/precursor mass ratio on sulfur-doped porous carbon for catalytic oxidation of aqueous organics with persulfate. CHEMOSPHERE 2022; 303:135192. [PMID: 35660400 DOI: 10.1016/j.chemosphere.2022.135192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Sulfur-doped porous carbon has emerged as promising metal-free catalysts toward persulfate (PS) for catalytic oxidation of aqueous organics. Wherein, thermal pyrolysis with activator activation is very common for the preparation of activated carbon. However, the relationship between the mass ratio of activator/precursor and catalytic efficiency has been rarely reported. Herein, a series of sulfur-doped porous carbons (S-AC) were synthesized by one-step chemical activation of (Poly(phenylene sulphide) (PPS)) with K2CO3 as activator at K2CO3/PPS mass ratio ranging from 0 to 3. The effects of K2CO3/PPS mass ratio on its physicochemical properties and its catalytic performance for p-chlorophenol (PCP) degradation with PS were comprehensively investigated. Experiment results show that sulfur doping enhanced its catalytic activity and the sample synthesized with K2CO3/PPS mass ratio of 2 (S-AC-2) exhibited the best adsorption and catalytic performance toward PS for PCP removal. More importantly, S-AC-2 with PS could efficiently degrade various aqueous toxic organics other than PCP, and S-AC-2 showed superior catalytic activity to many recently reported advanced materials. In addition, the effects of several operate parameters, including reaction temperature, PS concentration, pH, humic acid, and inorganic ions on PCP oxidation were evaluated. By combining with the results of quenching experiments and EPR, the PS activation mechanism over S-AC-2 was revealed. Moreover, the reusability and regenerability of S-AC-2 was also studied. It indicates that S-AC-2 showed inferior reusability, but the catalytic activity of which could be fully recovered through thermal treatment at 600 °C for 2 h in N2.
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Affiliation(s)
- Yaoping Guo
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China; School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Keng Xuan
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China; School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China.
| | - Chenxi Pu
- School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Yifan Li
- School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Yaxiong Huang
- School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Yadan Guo
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China; School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Meiyu Jia
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China; School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Jiale Li
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China; School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
| | - Hao Ruan
- School of Water Resources Environmental Engineering, East China University of Technology, Nanchang, 330013, China
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Midhun Kumar M, Gurrala L, Paek C, Vinu R. Selective production of guaiacol from lignin via catalytic transfer hydrogenolysis using Ru-Cu/Zirconia. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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13
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Mattoo AJ, Nonzom S. Endophytes in Lignin Valorization: A Novel Approach. Front Bioeng Biotechnol 2022; 10:895414. [PMID: 35928943 PMCID: PMC9343868 DOI: 10.3389/fbioe.2022.895414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 06/23/2022] [Indexed: 11/29/2022] Open
Abstract
Lignin, one of the essential components of lignocellulosic biomass, comprises an abundant renewable aromatic resource on the planet earth. Although 15%––40% of lignocellulose pertains to lignin, its annual valorization rate is less than 2% which raises the concern to harness and/or develop effective technologies for its valorization. The basic hindrance lies in the structural heterogeneity, complexity, and stability of lignin that collectively makes it difficult to depolymerize and yield common products. Recently, microbial delignification, an eco-friendly and cheaper technique, has attracted the attention due to the diverse metabolisms of microbes that can channelize multiple lignin-based products into specific target compounds. Also, endophytes, a fascinating group of microbes residing asymptomatically within the plant tissues, exhibit marvellous lignin deconstruction potential. Apart from novel sources for potent and stable ligninases, endophytes share immense ability of depolymerizing lignin into desired valuable products. Despite their efficacy, ligninolytic studies on endophytes are meagre with incomplete understanding of the pathways involved at the molecular level. In the recent years, improvement of thermochemical methods has received much attention, however, we lagged in exploring the novel microbial groups for their delignification efficiency and optimization of this ability. This review summarizes the currently available knowledge about endophytic delignification potential with special emphasis on underlying mechanism of biological funnelling for the production of valuable products. It also highlights the recent advancements in developing the most intriguing methods to depolymerize lignin. Comparative account of thermochemical and biological techniques is accentuated with special emphasis on biological/microbial degradation. Exploring potent biological agents for delignification and focussing on the basic challenges in enhancing lignin valorization and overcoming them could make this renewable resource a promising tool to accomplish Sustainable Development Goals (SDG’s) which are supposed to be achieved by 2030.
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Affiliation(s)
| | - Skarma Nonzom
- *Correspondence: Skarma Nonzom, , orcid.org/0000-0001-9372-7900
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Carbon-Based Nanocatalysts (CnCs) for Biomass Valorization and Hazardous Organics Remediation. NANOMATERIALS 2022; 12:nano12101679. [PMID: 35630900 PMCID: PMC9147642 DOI: 10.3390/nano12101679] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/09/2022] [Accepted: 05/10/2022] [Indexed: 02/05/2023]
Abstract
The continuous increase of the demand in merchandise and fuels augments the need of modern approaches for the mass-production of renewable chemicals derived from abundant feedstocks, like biomass, as well as for the water and soil remediation pollution resulting from the anthropogenic discharge of organic compounds. Towards these directions and within the concept of circular (bio)economy, the development of efficient and sustainable catalytic processes is of paramount importance. Within this context, the design of novel catalysts play a key role, with carbon-based nanocatalysts (CnCs) representing one of the most promising class of materials. In this review, a wide range of CnCs utilized for biomass valorization towards valuable chemicals production, and for environmental remediation applications are summarized and discussed. Emphasis is given in particular on the catalytic production of 5-hydroxymethylfurfural (5-HMF) from cellulose or starch-rich food waste, the hydrogenolysis of lignin towards high bio-oil yields enriched predominately in alkyl and oxygenated phenolic monomers, the photocatalytic, sonocatalytic or sonophotocatalytic selective partial oxidation of 5-HMF to 2,5-diformylfuran (DFF) and the decomposition of organic pollutants in aqueous matrixes. The carbonaceous materials were utilized as stand-alone catalysts or as supports of (nano)metals are various types of activated micro/mesoporous carbons, graphene/graphite and the chemically modified counterparts like graphite oxide and reduced graphite oxide, carbon nanotubes, carbon quantum dots, graphitic carbon nitride, and fullerenes.
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Li P, Ren J, Jiang Z, Huang L, Wu C, Wu W. Review on the preparation of fuels and chemicals based on lignin. RSC Adv 2022; 12:10289-10305. [PMID: 35424980 PMCID: PMC8972114 DOI: 10.1039/d2ra01341j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 03/29/2022] [Indexed: 12/14/2022] Open
Abstract
Lignin is by far the most abundant natural renewable aromatic polymer in nature, and its reserves are second only to cellulose. In addition to the rich carbon content, the structure of lignin contains functional groups such as benzene rings, methoxyl groups, and phenolic hydroxyl groups. Lignin degradation has become one of the high value, high quality and high efficiency methods to convert lignin, which is of great significance to alleviating the current energy shortage and environmental crisis. This article introduces the hydrolysis methods of lignin in acidic, alkaline, ionic liquids and supercritical fluids, reviews the heating rate, the source of lignin species and the effects of heating rate on the pyrolysis of lignin, and briefly describes the metal catalysis, oxidation methods such as electrochemical degradation and photocatalytic oxidation, and degradation reduction methods using hydrogen and hydrogen supply reagents. The lignin degradation methods for the preparation of fuels and chemicals are systematically summarized. The advantages and disadvantages of different methods, the selectivity under different conditions and the degradation efficiency of different catalytic combination systems are compared. In this paper, a new approach to improve the degradation efficiency is envisioned in order to contribute to the efficient utilization and high value conversion of lignin.
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Affiliation(s)
- Penghui Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University Nanjing 210037 China.,College of Light Industry and Food Engineering, Nanjing Forestry University Nanjing 210037 China
| | - Jianpeng Ren
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University Nanjing 210037 China.,College of Light Industry and Food Engineering, Nanjing Forestry University Nanjing 210037 China
| | - Zhengwei Jiang
- College of Light Industry and Food Engineering, Nanjing Forestry University Nanjing 210037 China
| | - Lijing Huang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University Nanjing 210037 China.,College of Light Industry and Food Engineering, Nanjing Forestry University Nanjing 210037 China
| | - Caiwen Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University Nanjing 210037 China.,College of Light Industry and Food Engineering, Nanjing Forestry University Nanjing 210037 China
| | - Wenjuan Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University Nanjing 210037 China.,College of Light Industry and Food Engineering, Nanjing Forestry University Nanjing 210037 China
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16
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Sethupathy S, Murillo Morales G, Gao L, Wang H, Yang B, Jiang J, Sun J, Zhu D. Lignin valorization: Status, challenges and opportunities. BIORESOURCE TECHNOLOGY 2022; 347:126696. [PMID: 35026423 DOI: 10.1016/j.biortech.2022.126696] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/02/2022] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
As an abundant aromatic biopolymer, lignin has the potential to produce various chemicals, biofuels of interest through biorefinery activities and is expected to benefit the future circular economy. However, lignin valorization is hindered by a series of constraints such as heterogeneous polymeric nature, intrinsic recalcitrance, strong smell, dark colour, challenges in lignocelluloses fractionation and the presence of high bond dissociation enthalpies in its functional groups etc. Nowadays, industrial lignin is mostly combusted for electricity production and the recycling of inorganic compounds involved in the pulping process. Given the research and development on lignin valorization in recent years, important applications such as lignin-based hydrogels, surfactants, three-dimensional printing materials, electrodes and production of fine chemicals have been systematically reviewed. Finally, this review highlights the main constraints affecting industrial lignin valorization, possible solutions and future perspectives, in the light of its abundance and its potential applications reported in the scientific literature.
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Affiliation(s)
- Sivasamy Sethupathy
- Biofuels Institute, School of Environmental Science and Safety Engineering, Jiangsu University, 212013 Zhenjiang, PR China
| | - Gabriel Murillo Morales
- Biofuels Institute, School of Environmental Science and Safety Engineering, Jiangsu University, 212013 Zhenjiang, PR China
| | - Lu Gao
- Biofuels Institute, School of Environmental Science and Safety Engineering, Jiangsu University, 212013 Zhenjiang, PR China
| | - Hongliang Wang
- College of Biomass Sciences and Engineering /College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, PR China
| | - Bin Yang
- Bioproducts, Sciences and Engineering Laboratory, Department of Biological Systems Engineering, Washington State University, Richland, WA 99354, USA
| | - Jianxiong Jiang
- Biofuels Institute, School of Environmental Science and Safety Engineering, Jiangsu University, 212013 Zhenjiang, PR China
| | - Jianzhong Sun
- Biofuels Institute, School of Environmental Science and Safety Engineering, Jiangsu University, 212013 Zhenjiang, PR China
| | - Daochen Zhu
- Biofuels Institute, School of Environmental Science and Safety Engineering, Jiangsu University, 212013 Zhenjiang, PR China.
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17
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Dube S, Matsinha LC, Makhubela BCE, Ambushe AA. Investigating cyanogen rich Manihot esculenta efficacy for Ru phytomining and application in catalytic reactions. RSC Adv 2022; 12:1165-1176. [PMID: 35425133 PMCID: PMC8978976 DOI: 10.1039/d1ra06647a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 12/18/2021] [Indexed: 11/24/2022] Open
Abstract
Phytomining is a newly developing alternative green technology. This technology has been applied for recovering precious metals from mine tailings that are low-grade ores. In this study, effective catalytic transfer hydrogenation of furfural to furfural alcohol was investigated using a ruthenium (Ru) bio-based catalyst, Ru@CassCat. The catalyst was prepared from Ru rich bio-ore recovered during laboratory scale phytomining as a model of mining tailing using the cassava plant (Manihot esculenta). Pre-rooted cassava cuttings were propagated and watered with Ru rich solutions for ten weeks before harvest. Harvested cassava roots were calcined to produce the bio-ore used as an in situ bio-based catalyst. The properties of the catalyst were characterized by various techniques, which include transmission electron microscopy (TEM), Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy coupled to energy-dispersive X-ray spectroscopy (SEM-EDS), powder X-ray diffraction (pXRD), ultraviolet-visible (UV-Vis) spectroscopy, thermogravimetric analysis (TGA) and Brunauer–Emmett–Teller (BET) theory. Characterization by FTIR, SEM and TEM revealed that RuCassCat has spherical component particles, loosely arranged around a cellulose/lignin-like matrix of the biocatalyst. It was also found that calcination strengthened the structure and texture of the support carbon matrix to distribute the Ru particles evenly. An ICP-MS analysis showed that up to 295 μg g−1 of Ru was detected in cassava roots. The variation of test conditions, namely, temperature, time, base, catalyst load, and a hydrogen source, was investigated. Optimally, a 0.00295 wt% ruthenium loading on the Ru@CassCat catalyst resulted in 100% furfural conversion with a turnover frequency of 0.0114 million per hour at 160 °C for 24 h using triethylamine as a base and formic acid as a hydrogen source. The catalyst remained active for up to three recycles, consecutively and produced furfural alcohol in high turnover numbers. Effective catalytic transfer hydrogenation of furfural into furfural alcohol was accomplished using a bio-based Ru catalyst, Ru@CassCat. The catalyst was successfully produced from cassava biomass grown in Ru-rich laboratory soils.![]()
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Affiliation(s)
- Sifelani Dube
- Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, P. O. Box 524, Auckland Park 2006, South Africa
| | - Leah C. Matsinha
- Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, P. O. Box 524, Auckland Park 2006, South Africa
| | - Banothile C. E. Makhubela
- Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, P. O. Box 524, Auckland Park 2006, South Africa
| | - Abayneh A. Ambushe
- Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, P. O. Box 524, Auckland Park 2006, South Africa
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Tran MH, Phan DP, Nguyen TH, Kim HB, Kim J, Park ED, Lee EY. Catalytic hydrogenolysis of alkali lignin in supercritical ethanol over copper monometallic catalyst supported on a chromium-based metal-organic framework for the efficient production of aromatic monomers. BIORESOURCE TECHNOLOGY 2021; 342:125941. [PMID: 34543818 DOI: 10.1016/j.biortech.2021.125941] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 06/13/2023]
Abstract
The catalytic hydrogenolysis of lignin has been reported as an effective approach for lignin depolymerization owing to its high efficiency for aromatic monomer production. In this study, a series of copper monometallic catalysts over an MIL-101(Cr) support were synthesized and used for the catalytic hydrogenolysis of alkali lignin using supercritical ethanol. First, the optimal copper catalyst for lignin hydrogenolysis was selected. Subsequently, the reaction conditions for catalytic hydrogenolysis were systematically optimized to maximize the total monomer yield. The optimal conditions were determined to be 6 h of reaction time, 20 min of sonication pretreatment, 50% catalyst loading, and 5% lignin loading. Under these conditions, an aromatic monomer yield of 38.5% was obtained; this depolymerized lignin stream, which is mainly composed of G-type monomers, can serve as a promising aromatic feedstock and carbon source for further microbial upgrading and bioconversion to produce various value-added products.
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Affiliation(s)
- My Ha Tran
- Department of Chemical Engineering (Integrated Engineering), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Dieu-Phuong Phan
- Department of Chemical Engineering (Integrated Engineering), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Thuy Ha Nguyen
- Department of Chemical Engineering and Energy Systems Research, Ajou University, Suwon-si, Gyeonggi-do 16499, Republic of Korea
| | - Han Bom Kim
- Department of Chemical Engineering and Energy Systems Research, Ajou University, Suwon-si, Gyeonggi-do 16499, Republic of Korea
| | - Jinsoo Kim
- Department of Chemical Engineering (Integrated Engineering), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Eun Duck Park
- Department of Chemical Engineering and Energy Systems Research, Ajou University, Suwon-si, Gyeonggi-do 16499, Republic of Korea
| | - Eun Yeol Lee
- Department of Chemical Engineering (Integrated Engineering), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
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Biswas B, Kumar A, Kaur R, Krishna BB, Bhaskar T. Catalytic hydrothermal liquefaction of alkali lignin over activated bio-char supported bimetallic catalyst. BIORESOURCE TECHNOLOGY 2021; 337:125439. [PMID: 34320735 DOI: 10.1016/j.biortech.2021.125439] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 06/13/2023]
Abstract
Carbon-based support catalysts are beneficial on account of low material cost, prominent surface area, and stability at high temperature. In this study, biochar derived activated carbon (AC) supported metal catalysts were tested for hydrothermal liquefaction (HTL) of alkali lignin. Catalytic HTL of alkali lignin was carried out at various temperatures (260 to 300 °C) with varying catalysts quantity (5 to 20 wt%), and solvents (water, ethanol, methanol) for 15 min reaction time. As the reaction temperature increased from 260 to 300 °C, conversion increased from 76.2 to 85.5 wt%. Bimetallic catalyst Ni-Co/AC with ethanol solvent system at 280 °C gave highest bio-oil yield (72.0 wt%). Lignin catalytic depolymerization produces monomer phenolic compounds due to efficient breaking of the lignin macromolecule. Thus, the presence of catalyst and solvent increased the cleavage of β-O-4 bonds resulting in increased selectivity towards vanillin (32.3-36.2%).
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Affiliation(s)
- Bijoy Biswas
- Sustainability Impact Assessment Area (SIA), Material Resource Efficiency Division (MRED), CSIR-Indian Institute of Petroleum (IIP), Dehradun 248005, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Avnish Kumar
- Sustainability Impact Assessment Area (SIA), Material Resource Efficiency Division (MRED), CSIR-Indian Institute of Petroleum (IIP), Dehradun 248005, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ramandeep Kaur
- Sustainability Impact Assessment Area (SIA), Material Resource Efficiency Division (MRED), CSIR-Indian Institute of Petroleum (IIP), Dehradun 248005, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Bhavya B Krishna
- Sustainability Impact Assessment Area (SIA), Material Resource Efficiency Division (MRED), CSIR-Indian Institute of Petroleum (IIP), Dehradun 248005, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Thallada Bhaskar
- Sustainability Impact Assessment Area (SIA), Material Resource Efficiency Division (MRED), CSIR-Indian Institute of Petroleum (IIP), Dehradun 248005, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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