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(PDF) Bioleaching of Rare Earth Elements from Waste Phosphors and spent petrochemical FC C catalyst. The FCC materials, like the RPP, (0.22 μ m Millex-GP PES) samples and the. … Modi fi cation of the membrane-bound gluc ose oxidati on system. Interactions between rhamnolipid biosurfactants and toxic Jul 01, 2011 · The phases were allowed to separate (24 h), and then 10-ml aliquots of the aqueous phase were carefully collected into a 20-ml PTFE screw-capped flask, alkalized to pH 11 ...

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