Инновационный подход к интенсификации анаэробной биоконверсии за счет комплексной предобработки в аппарате вихревого слоя и рециркуляции сгущенного эффлюента

Сельскохозяйственные отходы, называемые биомассой, представляют большой интерес как возобновляемый источник энергии. Целью данной работы было определение оптимальных значений коэффициента рециркуляции (RR) сгущённого эффлюента при применении нового подхода к интенсификации анаэробной конверсии, обеспечивающего выход биогаза повышенного качества. Данный подход включает рециркуляцию сгущенного эффлюента и предварительную обработку смеси исходного субстрата и сгущённого эффлюента в аппарате вихревого слоя. Для этого была рассмотрена работа экспериментальной биогазовой установки без рециркуляции и с рециркуляцией, начиная с очень низких значений RR, от 0,034 до 1, для обеспечения высоких объёмного метана (ОВМ, MPR) и удельного (УВМ, MY) выходов метана. С точки зрения ОВМ и УВМ наиболее привлекательными выглядят коэффициенты рециркуляции 0,034 и 0,071, однако при коэффициенте рециркуляции 0,5 содержание сероводорода снижается до 14 ppm с одновременным увеличением ОВМ на 12% по сравнению с контролем.

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