Biohythane production of post-hydrothermal liquefaction wastewater: A comparison of two-stage fermentation and catalytic hydrothermal gasification

Si, Buchun; Watson, Jamison; Aierzhati, Aersi; Yang, Libin; Liu, Zhidan; Zhang, Yuanhui

doi:10.1016/j.biortech.2018.11.095

Cited by 41 publications

(9 citation statements)

References 47 publications

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“…It was found that integrated fermentation produced lower yield of hydrogen (29 mL/g COD) but higher yield of methane (254 mL/g COD) than those of CHG (116 mL/g COD of hydrogen and 65 mL/g COD of methane) . Based on their techno-economic analysis, two-stage fermentation with high-rate reactors (Figure c) has the potential to be used for commercial applications with low capital and operating costs than those of conventional reactors (Figure b) . The outcomes from the work done by Si et al provided a feasible approach to scale-up the hydrothermal processing integrated fermentation process for practical applications.…”

Section: Coupling Of Hydrothermal Treatment With Other Technologiesmentioning

confidence: 99%

“…Comparison of integrated processes for post-treatment of HTL wastewater: (a) catalytic hydrothermal gasification (CHG); (b) two-stage fermentation with conventional reactors; (c) two-stage fermentation with high-rate reactors . Reproduced with permission from ref . Copyright 2019 Elsevier.…”

Section: Coupling Of Hydrothermal Treatment With Other Technologiesmentioning

confidence: 99%

“…607 As shown in Figure 44, Si et al compared the two-stage fermentation and catalytic HTG (CHG) as the integrated processes for recycling the wastewater produced from HTL process. 608 In the proposed integration system, human feces were feeded into HTL process for first-stage transformation. 608 The wastewater from HTL process was collected to feed into second-stage treatment, including the CHG (Figure 44a) or fermentation (Figure 44b,c).…”

Section: Integration Of Hydrothermal Process With Biological Treatmen...mentioning

confidence: 99%

“…608 In the proposed integration system, human feces were feeded into HTL process for first-stage transformation. 608 The wastewater from HTL process was collected to feed into second-stage treatment, including the CHG (Figure 44a) or fermentation (Figure 44b,c). 608 It was found that integrated fermentation produced lower yield of hydrogen (29 mL/g COD) but higher yield of methane (254 mL/g COD) than those of CHG (116 mL/g COD of hydrogen and 65 mL/g COD of methane).…”

Section: Integration Of Hydrothermal Process With Biological Treatmen...mentioning

confidence: 99%

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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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Section: Coupling Of Hydrothermal Treatment With Other Technologiesmentioning

confidence: 99%

Section: Coupling Of Hydrothermal Treatment With Other Technologiesmentioning

confidence: 99%

Section: Integration Of Hydrothermal Process With Biological Treatmen...mentioning

confidence: 99%

Section: Integration Of Hydrothermal Process With Biological Treatmen...mentioning

confidence: 99%

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

et al. 2023

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“…Another recent approach is the valorisation of biomass through integrating double HTT or double AD step to obtain more complex by-products like hydrogen, proteins, sugars or organic acids [28][29][30][31][32][33]. However, those studies focused on feedstocks such as lignocellulosic biomass, algae or animal manures.…”

Section: Introductionmentioning

confidence: 99%

Strategies for the Revalorization of Sewage Sludge in a Waste Water Treatment Plant Through the Integration of Hydrothermal Processing

Aragón-Briceño

Ross

Camargo‐Valero

2022

Waste Biomass Valor

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Different strategies for sewage sludge management have been implemented to minimize the environmental impacts and benefit from the resources embedded in this waste stream. In that regard, Hydrothermal treatments (HTTs) of biomass can contribute generating high-value products (hydrochar) and enhancing biogas generation. In this work, different strategies were analysed for implementing HTTs at WWTPs considering the effect of 2 different process temperatures (160 and 250 °C) on different sewage sludge samples (primary, secondary and digestate sludge). Determination of carbon, nitrogen and phosphorus fate and mass and energy balances in hydrochar and process waters were carried out. HTT promoted solubilization of nitrogen, phosphorus and organic carbon up to 89%, 13% and 124% respectively. Moreover, biomethane yield increased up to 168% reaching methane concentrations up to 79% in the biogas. High heating values of hydrochars ranged from 12.0 to 18.2 MJ kg−1. The integration of HTT as an intermediate step between two-step anaerobic digestion process showed an increase in the net energy balance of up to 124% in comparison with the conventional anaerobic digestion process. Graphical Abstract

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Liquid Biofuels from Algae

Singh

Gonzales-Calienes

2020

Algae

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Biohythane production of post-hydrothermal liquefaction wastewater: A comparison of two-stage fermentation and catalytic hydrothermal gasification

Cited by 41 publications

References 47 publications

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

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

Strategies for the Revalorization of Sewage Sludge in a Waste Water Treatment Plant Through the Integration of Hydrothermal Processing

Liquid Biofuels from Algae

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