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Visible light driven g-C3N4 photocatalytic pretreatment of rice straw for enhanced biogas production

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Title Visible light driven g-C3N4 photocatalytic pretreatment of rice straw for enhanced biogas production
 
Creator Tamilselvan, R
Selwynraj, A. Immanuel
 
Subject Biogas
Oxidation
Photocatalyst
Pretreatment
Silica Removal
 
Description 762-769
This study investigates the utilization of Graphitic Carbon Nitride (g-C3N4) as a photocatalytic material for enhancing
biofuel production from rice straw, an agricultural residue with potential for sustainable energy generation. The melaminesynthesized
g-C3N4 is used as a pretreatment agent, where rice straw is immersed in a g-C3N4 solution and exposed to
450-600 nm solar irradiation for varying durations. This pretreatment process modifies the biomass structure, resulting in a
reduction of the silica content to 72.05% and an increase in the carbon percentage to 41.58% within the rice straw. Methane
production demonstrates the effectiveness of g-C3N4-based pretreatment, with methane production from raw rice straw at
231 mL/gVS. Co-digestion with waste activated sludge increases methane production to 507 mL/gVS, while a 3 h pretreatment
further enhances it to 547.16 mL/gVS, and a 6 h pretreatment leads to 595.5 mL/gVS. Comprehensive characterization techniques
confirm the successful modification of biomass structure using g-C3N4.
 
Date 2024-09-13T11:42:13Z
2024-09-13T11:42:13Z
2024-09
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscpr.res.in/handle/123456789/64529
https://doi.org/10.56042/ijct.v31i5.5886
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJCT Vol.31(5) [September 2024]