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    Microbial Consortium–Based Conversion of Dairy Effluent into Biofertilizer

    Source: Journal of Hazardous, Toxic, and Radioactive Waste:;2020:;Volume ( 024 ):;issue: 001
    Author:
    Nabanita Halder
    ,
    Mandakini Gogoi
    ,
    Jaweria Sharmin
    ,
    Manjila Gupta
    ,
    Srimoyee Banerjee
    ,
    Tethi Biswas
    ,
    Basant Kumar Agarwala
    ,
    Lalit Mohan Gantayet
    ,
    Mathummal Sudarshan
    ,
    Indranil Mukherjee
    ,
    Arindam Roy
    ,
    Shaon Ray Chaudhuri
    DOI: 10.1061/(ASCE)HZ.2153-5515.0000486
    Publisher: ASCE
    Abstract: Dairy wastewater (DWW) is nutritionally rich and extremely hazardous to the environment if discharged untreated. The conventional treatment is time-, labor-, and energy-intensive. A tailor-made microbial consortium converted DWW into a biofertilizer with the ability to enhance biomass and yield in mung bean (Vigna radiata var. MEHA). The consortium produced ammonia from DWW at a rate of 1.65×10−6  mol s−1 100  mL−1 within 16 h of incubation in a biofilm bioreactor at 37°C with highest production of 10.11  mg 100  mL−1 demonstrating 41.83% nitrate and 45.83% phosphate removal. The scalability was tested at ambient temperature in a 72-L bioreactor with an ammonia production rate of 3×10−8  mol s−1 100  mL−1. Irrigation using the treated effluent resulted in a 1.7-fold increase in biomass, 49-fold decrease in root nodulation, and 2.6-fold increase in seed yield in mung bean while providing protection from aphid (Aphis craccivora Koch) infestation. The total wastewater was converted into biofertilizer for use as a substitute for chemical fertilizer and fresh water for irrigation. This approach makes DWW management not only a zero-discharge process but also a self-sustainable one.
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      Microbial Consortium–Based Conversion of Dairy Effluent into Biofertilizer

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4266924
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    • Journal of Hazardous, Toxic, and Radioactive Waste

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    contributor authorNabanita Halder
    contributor authorMandakini Gogoi
    contributor authorJaweria Sharmin
    contributor authorManjila Gupta
    contributor authorSrimoyee Banerjee
    contributor authorTethi Biswas
    contributor authorBasant Kumar Agarwala
    contributor authorLalit Mohan Gantayet
    contributor authorMathummal Sudarshan
    contributor authorIndranil Mukherjee
    contributor authorArindam Roy
    contributor authorShaon Ray Chaudhuri
    date accessioned2022-01-30T20:40:44Z
    date available2022-01-30T20:40:44Z
    date issued1/1/2020 12:00:00 AM
    identifier other%28ASCE%29HZ.2153-5515.0000486.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4266924
    description abstractDairy wastewater (DWW) is nutritionally rich and extremely hazardous to the environment if discharged untreated. The conventional treatment is time-, labor-, and energy-intensive. A tailor-made microbial consortium converted DWW into a biofertilizer with the ability to enhance biomass and yield in mung bean (Vigna radiata var. MEHA). The consortium produced ammonia from DWW at a rate of 1.65×10−6  mol s−1 100  mL−1 within 16 h of incubation in a biofilm bioreactor at 37°C with highest production of 10.11  mg 100  mL−1 demonstrating 41.83% nitrate and 45.83% phosphate removal. The scalability was tested at ambient temperature in a 72-L bioreactor with an ammonia production rate of 3×10−8  mol s−1 100  mL−1. Irrigation using the treated effluent resulted in a 1.7-fold increase in biomass, 49-fold decrease in root nodulation, and 2.6-fold increase in seed yield in mung bean while providing protection from aphid (Aphis craccivora Koch) infestation. The total wastewater was converted into biofertilizer for use as a substitute for chemical fertilizer and fresh water for irrigation. This approach makes DWW management not only a zero-discharge process but also a self-sustainable one.
    publisherASCE
    titleMicrobial Consortium–Based Conversion of Dairy Effluent into Biofertilizer
    typeJournal Paper
    journal volume24
    journal issue1
    journal titleJournal of Hazardous, Toxic, and Radioactive Waste
    identifier doi10.1061/(ASCE)HZ.2153-5515.0000486
    page7
    treeJournal of Hazardous, Toxic, and Radioactive Waste:;2020:;Volume ( 024 ):;issue: 001
    contenttypeFulltext
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