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Biogas Production

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M B Panholzer – One of the best experts on this subject based on the ideXlab platform.

  • Biogas Production from the aquatic weed pistia pistia stratiotes
    Bioresource Technology, 1991
    Co-Authors: S A Abbasi, P C Nipaney, M B Panholzer

    Abstract:

    Abstract Pistia stratiotes , an aquatic weed, was investigated as a substrate for Biogas Production in batch digestion. An inoculum was necessary to obtain Biogas Production from the weed. With Pistia only, Production of carbon dioxide alone was high during the first five days of digestion but began to level off thereafter. With inoculated Pistia , a high rate of Biogas Production was sustained for nearly 10 days and the average methane content was 58–68%. The digesters charged with Pistia alone had significant concentrations of propionic, butyric, isobutyric, valeric, and isovaleric acids. These acids were not present in detectable concentrations, in the digesters running with inoculated Pistia , except during the first 4 days of the digestion when propionic acid was formed. When an inoculum was added to a ‘soured’ digester the performance of the latter improved dramatically.

Urmila Gupta Phutela – One of the best experts on this subject based on the ideXlab platform.

  • Optimization of Biogas Production from water hyacinth (Eichhornia crassipes)
    Journal of Applied and Natural Science, 2017
    Co-Authors: Rozy Rozy, Rouf Ahmad Dar, Urmila Gupta Phutela

    Abstract:

    The present investigation reports the optimization of process parameters for Biogas Production from water hyacinth (Eichhornia crassipes). The different parameters like particle size, inoculum concentration, incubation temperature, metal ions and pH were optimized for Biogas Production. Maximum Biogas was observed with water hyacinth of 1cm size, 40 % inoculum concentration. The temperature of 45°C along with neutral pH i.e. 7 was found to be most suitable for Biogas Production in the presence of manganese chloride (0.2 mM). Under optimized conditions, 44.9 l Biogas/kg water hyacinth, 360.09 l/kg total solids and 397.95 l Biogas/kg volatile solids were produced in a period of 40 days. The water hyacinth has proven to be a good source of Biogas Production and thus can be utilized as a potential feedstock for the Biogas Production.

  • Effect of Fusarium sp. on Paddy Straw Digestibility and Biogas Production
    , 2012
    Co-Authors: Urmila Gupta Phutela, Nidhi Sahni

    Abstract:

    Chopped and moist paddy straw was pretreated with Fusarium sp. to enhance its digestibility and Biogas Production. The potential of microbial pretreatment of paddy straw was investigated at regular interval of 5, 10, 15 and 20 days by determining the change in Chemical composition of paddy straw like cellulose, hemicellulose, lignin and silica contents. The pretreated straw was used for Biogas Production in 2l capacity Biogas digesters. Results indicate that the cellulose, hemicellulose, lignin and silica contents decreased by 17.2%, 3.4%, 27.1% & 16.5% respectively. Biogas Production also increased by 53.8% in 10 days pretreated samples. The significantly higher reduction of silica along with lignin content in the pretreated straw indicates that removal of silica by Fusarium sp. might be more responsible for increasing paddy straw digestibility and Biogas Production.

  • Fungal Degradation of Paddy Straw for Enhancing Biogas Production
    Indian journal of science and technology, 2011
    Co-Authors: Urmila Gupta Phutela, Nidhi Sahni, Sarbjit Singh Sooch

    Abstract:

    Fungal mediated degradation of chopped and moist paddy straw (3-4cm) was investigated using Trichoderma reesei MTCC 164 and Coriolus versicolor MTCC 138 at different time intervals. The pre-treated paddy straw was in turn used for Biogas Production. Paddy straw pretreated with T. reesei MTCC 164 showed 20.8% enhanced Biogas Production and a maximum of 30% silica was removed after 25 days treatment. The paddy straw treated with C. versicolor MTCC 138 showed 26.2% enhanced Biogas Production with a maximum of 19.1 and 32.5% reduction in lignin and silica content respectively. Results regarding change in proximate and chemical composition of T. reesei MTCC 164 and C. versicolor MTCC 138 pretreated straw indicate that both these fungi might be the potential organisms for silica degradation.

Nidhi Sahni – One of the best experts on this subject based on the ideXlab platform.

  • Effect of Fusarium sp. on Paddy Straw Digestibility and Biogas Production
    , 2012
    Co-Authors: Urmila Gupta Phutela, Nidhi Sahni

    Abstract:

    Chopped and moist paddy straw was pretreated with Fusarium sp. to enhance its digestibility and Biogas Production. The potential of microbial pretreatment of paddy straw was investigated at regular interval of 5, 10, 15 and 20 days by determining the change in Chemical composition of paddy straw like cellulose, hemicellulose, lignin and silica contents. The pretreated straw was used for Biogas Production in 2l capacity Biogas digesters. Results indicate that the cellulose, hemicellulose, lignin and silica contents decreased by 17.2%, 3.4%, 27.1% & 16.5% respectively. Biogas Production also increased by 53.8% in 10 days pretreated samples. The significantly higher reduction of silica along with lignin content in the pretreated straw indicates that removal of silica by Fusarium sp. might be more responsible for increasing paddy straw digestibility and Biogas Production.

  • Fungal Degradation of Paddy Straw for Enhancing Biogas Production
    Indian journal of science and technology, 2011
    Co-Authors: Urmila Gupta Phutela, Nidhi Sahni, Sarbjit Singh Sooch

    Abstract:

    Fungal mediated degradation of chopped and moist paddy straw (3-4cm) was investigated using Trichoderma reesei MTCC 164 and Coriolus versicolor MTCC 138 at different time intervals. The pre-treated paddy straw was in turn used for Biogas Production. Paddy straw pretreated with T. reesei MTCC 164 showed 20.8% enhanced Biogas Production and a maximum of 30% silica was removed after 25 days treatment. The paddy straw treated with C. versicolor MTCC 138 showed 26.2% enhanced Biogas Production with a maximum of 19.1 and 32.5% reduction in lignin and silica content respectively. Results regarding change in proximate and chemical composition of T. reesei MTCC 164 and C. versicolor MTCC 138 pretreated straw indicate that both these fungi might be the potential organisms for silica degradation.

  • Effect of Penicillium sp. on Paddy Straw Digestibility and Biogas Production
    Journal of research, 2011
    Co-Authors: Urmila Gupta Phutela, Nidhi Sahni

    Abstract:

    Chopped paddy straw (30-40 mm size) was pretreated with Penicillium sp. to enhance its digestibility and Biogas Production. The potential of microbial pretreatment of paddy straw was investigated at regular interval of 5, 10, 15 and 20 days by determining the change in proximate composition of paddy straw like cellulose, hemicellulose, lignin and silica content. The pretreated straw was used for Biogas Production in 2 L capacity Biogas digesters. Results indicate that the cellulose, lignin and silica contents decreased by 13.6 per cent, 8.5 per cent & 26.7 per cent, respectively. However, hemicellulose content increased by 19.4 per cent. Biogas Production also increased by 18.6 per cent in 5 days pretreated sample. The significantly higher reduction of silica as compared to lignin content in the pretreated straw indicates that removal of silica by Penicillium sp. might be more responsible for increasing paddy straw digestibility and Biogas Production