Valorization of agriculture waste: Preparation of alkoxysilanes from mixed rice straw and rice husk ash

Feng, Shanshan; Ge, Chenyu; Sun, Qianxin; Zheng, Wanping; Li, Guiying; Hu, Changwei

doi:10.1016/j.cej.2024.153377

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.153377

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Valorization of agriculture waste: Preparation of alkoxysilanes from mixed rice straw and rice husk ash

Shanshan Feng,

Chenyu Ge,

Qianxin Sun

et al.

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2024

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Cited by 1 publication

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Strength characteristic and life cycle cost of sustainable bio-patch repair geopolymer mortar using rice husk ash as an alternative silica and alumina source

Astuti,

Isnaini,

Ammar

et al. 2024

BIO Web Conf.

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Rapid development in construction has increased cement use, raising CO₂ emissions. Geopolymers offer an eco-friendly alternative, reducing reliance on cement. This study examines rice husk ash (RHA), a pozzolanic material, as a binder. Three alkali activator variations (AA40%, AA45%, AA50%) were tested for mechanical properties, focusing on compressive strength. The mix design was optimized and cured at 70°C and room temperature. The AA40% variation showed the highest compressive strength of 8.14 MPa. RHA-based geopolymer mortar supports UN SDGs 9, 12, and 13, showing a significantly lower 30-year life cycle cost (IDR 4,125,000 vs. IDR 6,225,000 for Portland cement). It reduces agricultural waste, lowers carbon footprints, and offers long-term economic benefits, highlighting its potential as a sustainable building material.

show abstract

Strength characteristic and life cycle cost of sustainable bio-patch repair geopolymer mortar using rice husk ash as an alternative silica and alumina source

Astuti,

Isnaini,

Ammar

et al. 2024

BIO Web Conf.

View full text Add to dashboard Cite

show abstract

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Valorization of agriculture waste: Preparation of alkoxysilanes from mixed rice straw and rice husk ash

Cited by 1 publication

References 49 publications

Strength characteristic and life cycle cost of sustainable bio-patch repair geopolymer mortar using rice husk ash as an alternative silica and alumina source

Strength characteristic and life cycle cost of sustainable bio-patch repair geopolymer mortar using rice husk ash as an alternative silica and alumina source

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