The invention provides a method for preparing a biological
fermentation heavy
metal contaminated
soil remediation agent by utilizing ardealite and printing and
dyeing sludge, and belongs to the technical field of
solid waste recycling. The method comprises the following steps: mixing printing and
dyeing sludge, ironmaking
solid waste and ardealite, uniformly stirring, granulating, carrying out aging treatment, carrying out high-temperature
pyrolysis, and
grinding to obtain
phosphorus printing carbonized
powder; mixing the
cordyceps sobolifera
mycelium extract, the pandanus elliottii leaf extract and the red velvet extract, and uniformly stirring to obtain an extraction mixture; beta-
nicotinamide mononucleotide and
galactomannan are mixed and stirred uniformly, and a
probiotic agent is obtained; mixing a
probiotic agent, the extraction mixture and food
powder, and uniformly stirring to obtain enlightening mixed
powder; and mixing the
heuristic mixed powder with the
phosphorus-printed carbonized powder, uniformly stirring, and adding primary
rhizosphere compound
bacteria for
fermentation, thereby obtaining the biological film covering heavy
metal contaminated
soil remediation agent after
fermentation is finished. The efficient utilization of the
phosphogypsum and the printing and
dyeing sludge is realized through reasonable proportioning,
pyrolysis carbonization and primary
rhizosphere compound
bacteria synergistic fermentation.