
Keywords: اسید کربوریک; Biohydrogen; Temperature effect; Mesophilic; Thermophilic; HRT; DGGE; AFBR-M/-T; anaerobic fluidized bed reactor at mesophilic/thermophilic temperature; APBR; anaerobic packed bed reactor; CSTR; continuous stirred-tank reactor; DGGE; denaturing gradient g