Roles of hydrothermal-alkaline treatment in tannery sludge reduction: rheological properties and sludge reduction mechanism analysis

Zhai, Shimin; Xiong, Yonghui; Li, Min; Wang, Dong; Fu, Shaohai

doi:10.1039/c9ra11010k

RSC Adv.

2020

DOI: 10.1039/c9ra11010k

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Roles of hydrothermal-alkaline treatment in tannery sludge reduction: rheological properties and sludge reduction mechanism analysis

Shimin Zhai

Yonghui Xiong

Min Li

et al.

Abstract: The hydrothermal-alkaline treatment (HAT) is an efficient sludge reduction method.

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2024

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References 13 publications

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Upcycling tannery sludge into superior micro/nano protein fibers to reinforce the mechanical and flame retardant properties of cellulose-based film

Wei,

He,

Liu

et al. 2024

Preprint

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Micro/nano protein fibers have attracted increasing attention owing to their advantageous properties for applications in advanced materials. Traditional preparation methods often suffer from high costs of raw-materials and energy-intensive manufacturing processes, which hinder large-scale production. Herein, we present an innovative low-carbon approach for converting tannery sludge into micro/nano protein fibers. The alkali-oxygen cooking combined with ultrasonic process shown the potential to reduce carbon emissions. The resulting micro/nano protein fibers reinforced the mechanical properties of the cellulose-based films. The maximum tensile force of the cellulose-based film was increased by 55.40%, and the Young’s modulus was increased by 22.92%. The micro/nano protein fibers also imparted remarkable flame-retardant characteristics, as indicated by an increased peak temperature of heat loss and a 21.60% reduction in the peak heat release rate of cellulose-based films. This low-carbon and ecofriendly process utilizing leather tannery sludge not only provides a sustainable source of raw materials but also contributes to the circular economy by repurposing industrial waste.

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Upcycling tannery sludge into superior micro/nano protein fibers to reinforce the mechanical and flame retardant properties of cellulose-based film

Wei,

He,

Liu

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

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Roles of hydrothermal-alkaline treatment in tannery sludge reduction: rheological properties and sludge reduction mechanism analysis

Abstract: The hydrothermal-alkaline treatment (HAT) is an efficient sludge reduction method.

Cited by 1 publication

References 13 publications

Upcycling tannery sludge into superior micro/nano protein fibers to reinforce the mechanical and flame retardant properties of cellulose-based film

Upcycling tannery sludge into superior micro/nano protein fibers to reinforce the mechanical and flame retardant properties of cellulose-based film

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