Blending hydrochar improves hydrophobic properties of corn stover pellets

Islam, Md Tahmid; Chambers, Cadianne; Klinger, Jordan; Reza, Mehedi

doi:10.1007/s13399-022-02521-1

Cited by 6 publications

(2 citation statements)

References 68 publications

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“…The dried powdered SS was hydrothermally carbonized in a 300 mL Parr reactor (Moline, IL, USA). The thorough procedure for hydrothermal treatment is accessible elsewhere [27]. Briefly, the reactor was loaded with a 1:10 ratio of SS to deionized water (DI) (15 g of SS and 150 g of DI water).…”

Section: Hydrothermal Carbonizationmentioning

confidence: 99%

Effect of Hydrothermal Carbonization on Fuel and Combustion Properties of Shrimp Shell Waste

et al. 2023

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Shrimp shell is a popularly consumed seafood around the globe which generates a substantial quantity of solid wet waste. Hydrothermal carbonization (HTC) could be a viable pathway to convert wet shrimp shell waste into energy-dense hydrochar. The present study aims to assess the fuel properties, physicochemical attributes, and combustion properties of shrimp shell hydrochar generated with a wide range of HTC temperatures (110–290 °C). Results showed that a rise in carbonization rate results in a decline in mass yield to as low as 25.7% with the increase in HTC temperature. Thermogravimetric analysis indicates shrimp shell hydrochars to be more thermally stable than raw dried feedstock. Results from the bomb calorimeter report a maximum HHV of 27.9 MJ/kg for SS-290, showing a 13% increase in energy densification compared to raw shrimp shell. The slagging and fouling indices determined for the hydrochars further assisted in addressing the concern regarding increasing ash content changing from 17.0% to 36.6%. Lower ratings of the slagging index, fouling index, alkali index, and chlorine content for hydrochars at higher temperature indicate the reduced probability of reactor fouling during combustion. The findings of the analysis demonstrate that HTC is a promising approach for transforming shrimp shell waste into a potential fuel replacement.

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Section: Hydrothermal Carbonizationmentioning

confidence: 99%

Effect of Hydrothermal Carbonization on Fuel and Combustion Properties of Shrimp Shell Waste

et al. 2023

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“…19,20 Hydrothermal carbonization takes place in hot, compressed water and induces wet carbonization of the waste products, for example, biomass, plastics, dairy manure, or sewage sludge to synthesize energy-dense biorefinery feedstock. 17,21,22 Despite important literature on the HTC technology, 13,[23][24][25][26][27][28][29][30][31] few studies have been carried out on its operational economic feasibility. 21,[32][33][34] Hence, a technoeconomic assessment of this HTC technology would clarify economic competitiveness of integrating HTC with air classification and densification technologies.…”

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Technoeconomic assessment comparison of batch and continuous hydrothermal carbonization of waste corn stover into advanced biorefinery feedstock

Islam

Saha

Klinger

et al. 2023

Biofuels Bioprod Bioref

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The objective of this study was to investigate the economic feasibility of the hydrothermal carbonization (HTC) of waste corn stover. Two different cases of HTC of waste corn stover were considered for a 544 320 kg day−1 as‐received corn stover plant. Case I assumed a batch HTC process, and case II assumed a continuous HTC process. The results show that both cases were economically feasible; however, case I reached the break‐even point at 3 years whereas case II reached the break‐even point at 4 years. Case I also showed greater return on investment (5.02) than case II (3.98) at the end of the 20 year project life, including 26.6% lower total capital investment. About 73% of fixed capital cost came from investment in the reactor alone for case I, whereas 63% came from the reactor for case II. The break‐even selling price of the product was found to be $86.1/kg. A sensitivity analysis showed that the break‐even selling price of the product was the most sensitive to the variation of the cost of corn stover and the least sensitive to variation in the tipping income.

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Evaluating combustion characteristics and combustion kinetics of corn stover-derived hydrochars by cone calorimeter

Islam

Klinger

Reza

2023

Chemical Engineering Journal

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Blending hydrochar improves hydrophobic properties of corn stover pellets

Cited by 6 publications

References 68 publications

Effect of Hydrothermal Carbonization on Fuel and Combustion Properties of Shrimp Shell Waste

Effect of Hydrothermal Carbonization on Fuel and Combustion Properties of Shrimp Shell Waste

Technoeconomic assessment comparison of batch and continuous hydrothermal carbonization of waste corn stover into advanced biorefinery feedstock

Evaluating combustion characteristics and combustion kinetics of corn stover-derived hydrochars by cone calorimeter

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