Adipic Acid
Thickening of raw adipic acid suspension in HNO3 prior to centrifugation.
Aniline
Catalyst recovery after hydrogenation.
Aromatics and Resins
Recovery of hydrogenation catalysts and salts in the production of aromatic amines or resins.
Butane Diol (BDO)
Catalyst recovery in the production of BDO.
Catalyst Recovery
Recovery of precious metal catalysts (Pt, Pd, Rh, Ru) on carbon, Cu catalysts and Raney Nickel after hydrogenation (APP).
Chlor Alkali
Brine polishing, CaSO4 filtration, HgS as well as metallic Hg removal in the chlor alkali industry.
Epoxy Production
Removal of NaCl after reaction in the production of high purity epoxy for PCBs.
Glycol
Hypochlorites
Removal of iron, nickel and copper from sodium hypochlorite streams (APP).
Lubricants
Wax removal during winterization of lubricants.
Olefins
Filtration of byproducts after neutralization in olefin resin production, such as C5 or C9 resins.
Oil Additives
Removal of catalysts, bleaching earth or impurities formed after reaction (APP).
Polyols
Removal of salts formed in neutralization (APP).
PPS Production
Removal of salts and other impurities in the production of PPS.
Purified Terephthalic Acid (PTA)
Recovery of valuable product from waste stream.
Rubber Chemicals
Catalyst recovery after hydrogenation.
Synthesis Gas
Toluene Diamine (TDA)
Catalyst preparation, catalyst recovery and spent catalyst filtration in hydrogenation step (APP).
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