Delignification of the cotton stalk and ginning mill waste via EnZolv pretreatment and optimization of process parameters using response surface methodology (RSM).

Subramaniam, Santhoshkumar; Karunanandham, Kumutha; Asm, Raja; Uthandi, Sivakumar

Subramaniam, Santhoshkumar; Karunanandham, Kumutha; Asm, Raja; Uthandi, Sivakumar.

Afiliación

Subramaniam S; Biocatalysts Laboratory, Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu, India; Department of Agricultural Microbiology, Agricultural College and Research Institute, Madurai 625104, Tamil Nadu, India.
Karunanandham K; Department of Agricultural Microbiology, Agricultural College and Research Institute, Madurai 625104, Tamil Nadu, India.
Asm R; ICAR- Central Institute for Research on Cotton Technology, Adenwala Road, Matunga, 400019 Mumbai, India.
Uthandi S; Biocatalysts Laboratory, Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu, India. Electronic address: usiva@tnau.ac.in.

Bioresour Technol ; 387: 129655, 2023 Nov.

Article en En | MEDLINE | ID: mdl-37573984

RESUMEN

The present study aimed to add value to cotton waste biomass using a more eco-friendly process, EnZolv which delignifies cotton stalk and cotton ginning mill waste. A maximum delignification of 68.68% and 65.51% was obtained using pre-optimized EnZolv parameters in cotton stalk (CS) and ginning mill waste (GMW), respectively. Optimized EnZolv process removed 78.68% of lignin in CS using Response Surface Methodology (RSM) in Box-Behnken design at 0% moisture content, 50 U laccase g-1 of biomass, 5 h incubation time, 50 °C incubation temperature, and 150 rpm shaking speed. Similarly, RSM-based delignification of 70.53% in GMW was achieved under the optimized EnZolv conditions of 98.75 % moisture content, 41.59 U laccase g-1 of biomass, 9.3 h incubation time, 46.15 °C incubation temperature, and 150 rpm shaking speed.

Asunto(s)

Lacasa; Lignina; Hidrólisis; Textiles; Biomasa

Palabras clave

Cotton ginning mill waste; Cotton stalk; EnZolv; Optimization; Response surface methodology

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Lacasa / Lignina Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2023 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido

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