Co-Hydrothermal Liquefaction of algal and lignocellulosic biomass: Status and perspectives

Sahoo, Arun Kumar; Saini, Komal; Jindal, Meenu; Bhaskar, Thallada; Pant, Kamal Kishore

doi:10.1016/j.biortech.2021.125948

Cited by 43 publications

(10 citation statements)

References 115 publications

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“…A maximum value of HHV of 25.72 MJ kg −1 for biocrude was seen at 1:3 BS ratio. These HHV values were comparable to biocrude from co‐liquefaction of lignocellulosic biomasses with various feedstocks 1,20,64 . According to our previous work 50 on liquefaction under similar conditions for individual C. limetta peel and pulp at 1:3 BS ratio, the HHVs of biocrude were 26.76 MJ kg −1 from pulp and 24.2 MJ kg −1 from peel.…”

Section: Resultssupporting

confidence: 92%

“…These HHV values were comparable to biocrude from co-liquefaction of lignocellulosic biomasses with various feedstocks. 1,20,64 According to our previous work 50 on liquefaction under similar conditions for individual C. limetta peel and pulp at 1:3 BS ratio, the HHVs of biocrude were 26.76 MJ kg −1 from pulp and 24.2 MJ kg −1 from peel. It was seen that the HHV of biocrude from co-liquefaction was evidently upgraded from C. limetta peel as a result of the co-liquefaction effect of peel and pulp biomasses.…”

Section: Resultsmentioning

confidence: 85%

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Solvothermal co‐liquefaction of wastes from Citrus limetta fruit processing

Acharya

Kishore

2023

J of Chemical Tech & Biotech

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BACKGROUND: Liquefaction of biomass has an advantage over other thermochemical processes of conversion and its co-liquefaction aims to overcome the restrictions and limitations imposed upon single feedstock liquefaction. Valorization of Citrus limetta peel and pulp wastes by their co-liquefaction in a hydrogen-donor solvent such as methanol was chosen as an objective herein for efficient conversion of raw materials to obtain better quality biocrude.RESULTS: A maximum biocrude yield of 11.25 wt. % was obtained from solvothermal co-liquefaction of Citrus limetta peel and pulp biomasses at 260 °C temperature, with 30 min residence time, at three different ratios of biomass to solvent (1:2, 1:3 and 1:4). This was higher than the biocrude yield from liquefaction of individual C. limetta pulp biomass as well as other studies on similar citrus fruit wastes. The higher heating value (HHV) of biocrude was raised to 25.72 MJ kg −1 at 1:3 biomass:solvent ratio by co-liquefaction, showing its synergy over individual C. limetta peel biocrude. The presence of esters, ketones, alcohols, hydrocarbons and fatty acids in the biocrude product were found from Gas Chromatography-Mass Spectrometry (GC-MS) results. The biochar obtained was mesoporous in nature and could be employed for adsorption in bioremediation of water and soil.CONCLUSION: Co-liquefaction of homogeneous lignocellulosic biomasses have the ability to boost production and the quality of the biocrude and biochar attained in comparison to products of individual liquefaction. Future studies on upgrading the quality of products are required.

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Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 85%

Solvothermal co‐liquefaction of wastes from Citrus limetta fruit processing

Acharya

Kishore

2023

J of Chemical Tech & Biotech

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“…Bibliometric analyses of research related to hydrothermal liquefaction revealed that studies between 2015 and 2021 focused on optimizing process parameters through surface methodology or application of machine learning algorithms ( Sahoo et al., 2021 ). Interestingly, under our search criteria, no patents that contain claims on artificial intelligence were filed or published.…”

Section: Resultsmentioning

confidence: 99%

Hydrothermal biomass processing for green energy transition: insights derived from principal component analysis of international patents

Acaru

Abdullah

Lai

et al. 2022

Heliyon

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“…393 An independent composition analysis of hydrolysis products was made in the HTL of isolated and mixture of wheat straw, eucalyptus, and olive tree pruning, which indicated an independent hydrolysis of the mixed biomass in composition to those of isolated biomass. 394 To improve the yield and quality of bio-oil, the HTL of lignocellulosic biomass with Kukersite oil shale, 395 seaweeds, 396 lignite, 397 and algae 398 was performed. Additionally, co-HTL of polyurethane and lignocellulosic biomass showed a high-synergistic effect, in which high active nitrogen-containing intermediates derived from the HTL of polyurethane were found in combination with lignocellulose-derived intermediates.…”

Section: Hydrothermal Treatment Of Mixed Nonlignocellulosic Biomass 4...mentioning

confidence: 99%

Hydrothermal Treatment of Biomass Feedstocks for Sustainable Production of Chemicals, Fuels, and Materials: Progress and Perspectives

et al. 2023

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Hydrothermal process is an emerging technology that contributes to sustainable production of biomass-derived chemicals, fuels, and materials. This technology uses hot compressed water to convert various biomass feedstocks including recalcitrant organic compounds in biowastes into desired solid, liquid, and gaseous products. In recent years, considerable progress has been made in the hydrothermal conversion of lignocellulosic as well as nonlignocellulosic biomass to value-added products and bioenergy to fulfill the principles of circular economy. However, it is important to assess hydrothermal processes in terms of their capabilities and limitations from different sustainability aspects so that further advances can be made toward improvement of their technical maturity and commercialization potential. The key aims of this comprehensive review are to (a) explain the inherent properties of biomass feedstocks and physio-chemical characteristics of their bioproducts, (b) elucidate related transformation pathways, (c) clarify the role of hydrothermal process for biomass conversion, (d) evaluate the capability of hydrothermal treatment coupled with other technologies for producing novel chemicals, fuels and materials, (e) explore different sustainability assessments of hydrothermal processes for potential large-scale applications, and (f) offer our perspectives to facilitate the transition from a primarily petro-based to an alternative biobased society in the context of changing climate.

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Co-Hydrothermal Liquefaction of algal and lignocellulosic biomass: Status and perspectives

Cited by 43 publications

References 115 publications

Solvothermal co‐liquefaction of wastes from Citrus limetta fruit processing

Solvothermal co‐liquefaction of wastes from Citrus limetta fruit processing

Hydrothermal biomass processing for green energy transition: insights derived from principal component analysis of international patents

Hydrothermal Treatment of Biomass Feedstocks for Sustainable Production of Chemicals, Fuels, and Materials: Progress and Perspectives

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