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To provide beneficial guide for the application of the magnetic field in the bio-treatment of the Cr(VI)-contained wastewater, sludge samples from the control bio-system A (absent of magnetic field) and the contrast bio-system B (present of magnetic field) were used to adsorb the synthetic wastewater with 100 mg l−1 Cr(VI). Influences of two adsorption modes, single adsorption and once continuous...
Two modes of magnetic fields were applied in the Cr6+ removal sludge reactors containing two predominated strains—Bacillus sp. and Brevibacillus sp., respectively. The magnetic field mode I* of 0–4.5 or 0–14 mT between pieces was obtained by setting the magnetic pieces with the surface magnetic density of 0–6 or 0–20 mT into the reactor, and the magnetic field mode II* of 6, 20, or 40 mT on the return...
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