Thickening of raw adipic acid suspension in HNO3 prior to centrifugation.
Catalyst recovery after hydrogenation.
Recovery of hydrogenation catalysts and salts in the production of aromatic amines or resins.
Catalyst recovery in the production of BDO.
Recovery of precious metal catalysts (Pt, Pd, Rh, Ru) on carbon, Cu catalysts and Raney Nickel after hydrogenation (APP).
Brine polishing, CaSO4 filtration, HgS as well as metallic Hg removal in the chlor alkali industry.
Removal of NaCl after reaction in the production of high purity epoxy for PCBs.
Removal of iron, nickel and copper from sodium hypochlorite streams (APP).
Wax removal during winterization of lubricants.
Filtration of byproducts after neutralization in olefin resin production, such as C5 or C9 resins.
Removal of catalysts, bleaching earth or impurities formed after reaction (APP).
Removal of salts formed in neutralization (APP).
Removal of salts and other impurities in the production of PPS.
Recovery of valuable product from waste stream.
Catalyst preparation, catalyst recovery and spent catalyst filtration in hydrogenation step (APP).
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