Optimization of the conventional hydrothermal carbonization to produce hydrochar from fish waste

Kannan, Shrikalaa; Raghavan, G.S.V.

doi:10.1007/s13399-018-0323-9

Cited by 17 publications

(4 citation statements)

References 51 publications

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“…Sharma et al produced hydrochar from raw food waste, which was further pelletized using molasses as a binder to enhance the structural stability as solid fuels . However, the sustainable production and the potential of circular economy should be reconsidered with pelletization of solid fuels using molasses (edible component) as a binder due to the competition with food supply. , Other types of raw food waste such as oil-extracted food waste, fruit waste, , and fish waste were collected from the local food supply and further treated with the HTC system. In addition to a direct HTC treatment, , various pretreatment methods including screening, drying, and EH were introduced to promote the efficiency with a mechanistic sight during the subsequent HTC treatment.…”

Section: Hydrothermal Treatment Of Biomass To Chemicals Fuels and Mat...mentioning

confidence: 99%

“…329,331 Other types of raw food waste such as oil-extracted food waste, 332 fruit waste, 333,334 and fish waste 335 were collected from the local food supply and further treated with the HTC system. In addition to a direct HTC treatment, 333,334 various pretreatment methods including screening, drying, 332 and EH 335 were introduced to promote the efficiency with a mechanistic sight during the subsequent HTC treatment.…”

Section: Htc Of Food Wastementioning

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: Hydrothermal Treatment Of Biomass To Chemicals Fuels and Mat...mentioning

confidence: 99%

Section: Htc Of Food Wastementioning

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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“…However, studies on optimization are limited. Graphical optimization has been reported for hydrochar yields [33,34]. Nonetheless, this optimization approach is limited to one response at a time.…”

Section: Introductionmentioning

confidence: 99%

Multi-Variate and Multi-Response Analysis of Hydrothermal Carbonization of Food Waste: Hydrochar Composition and Solid Fuel Characteristics

2022

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To maximize food waste utilization, it is necessary to understand the effect of process variables on product distribution. To this day, there is a lack of studies evaluating the effects of the multiple variables of HTC on food waste. A Design of Experiment (DoE) approach has been used to investigate the influence of three process variables on the product distribution and composition of process streams from the HTC of food waste. This work evaluates the effect of hydrothermal carbonization process conditions on the composition and utilization capabilities of hydrochar from food waste. Parametric analysis was carried out with a design of experiments of central composite rotatable design (CCRD) and response surface methodology (RSM). Derringer’s desirability function was employed to perform a multi-response evaluation. The optimized process conditions were 260.4 °C, 29.5 min reaction time, and 19.6% solid load. The predicted optimized responses were EMC = 2.7%, SY = 57.1%, EY = 84.7%, ED = 1.5, and HHV of 31.8 MJ/Kg, with a composite desirability of 0.68. Temperature and solid load had a significant effect on all evaluated responses, while reaction time was non-significant.

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“…and their chemical compositions also determine the chemical characteristics of hydrochar [30][31][32]. As a result, different optimum HTC conditions are reported in the literature for different feedstocks [33][34][35][36]. Although large-scale implementation of HTC is yet to established, recent techno-economic analyses have shown that HTC of biomass can be economically viable and environmentally sustainable [37][38][39].…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal Carbonization of Various Paper Mill Sludges: An Observation of Solid Fuel Properties

et al. 2019

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Each year the pulp and paper industries generate enormous amounts of effluent treatment sludge. The sludge is made up of various fractions including primary, secondary, deinked, fiber rejects sludge, etc. The goal of this study was to evaluate the fuel properties of the hydrochars produced from various types of paper mill sludges (PMS) at 180 °C, 220 °C, and 260 °C. The hydrochars, as well as the raw feedstocks, were characterized by means of ultimate analysis, proximate analysis, moisture, ash, lignin, sugar, and higher heating value (HHVdaf) measurements. Finally, combustion indices of selected hydrochars were evaluated and compared with bituminous coal. The results showed that HHVdaf of hydrochar produced at 260 °C varied between 11.4 MJ/kg and 31.5 MJ/kg depending on the feedstock. This implies that the fuel application of hydrochar produced from PMS depends on the quality of feedstocks rather than the hydrothermal carbonization (HTC) temperature. The combustion indices also showed that when hydrochars are co-combusted with coal, they have similar combustion indices to that of coal alone. However, based on the energy and ash contents in the produced hydrochars, Primary and Secondary Sludge (PPS2) could be a viable option for co-combustion with coal in an existing coal-fired power plant.

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Optimization of the conventional hydrothermal carbonization to produce hydrochar from fish waste

Cited by 17 publications

References 51 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

Multi-Variate and Multi-Response Analysis of Hydrothermal Carbonization of Food Waste: Hydrochar Composition and Solid Fuel Characteristics

Hydrothermal Carbonization of Various Paper Mill Sludges: An Observation of Solid Fuel Properties

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