Abstract:
BIMETALIC SALTS, HAVING THE GENERIC FORMULA MM''XN WHEREIN M IS A GROUP I-B METAL, M'' IS A GROUP III-A METAL, X IS A HALIDE AND N IS EQUAL TO THE SUM OF THE VALENCES OF M AND M'', ARE PREPARED BY REACTING THE HALOGEN SALTS OF THE INDIVIDUAL METALS, M AND M'', IN A SUITABLE SOLVENT. THE BIMETALLIC SALT FORMED THEREBY IS A DISCRETE MONOMERIC SPECIES AND CAN BE UTILIZED IN THE SEPARATION AND RECOVERY OF VARIOUS LIGANDS, BY PREFERENTIAL COMPLEXATION. COMPLEXATION CAN BE CONDUCTED WITH THE BIMETALLIC
SALT IN THE SOLID STATE, IN SOLUTION, OR AS A SLURRY, AND WITH THE COMPLEXIBLE LIGAND IN THE GASES OR LIQUID STATE. THE LIGAND IS RECOVERED BY DECOMPLEXATION OF THE BIMETALLIC SALT-LIGAND COMPLEX OR BY DISPLACEMENT OF THE COMPLEXED LIGAND WITH ANOTHER LIGAND.
Abstract:
COMPLEXIBLE LIGANDS CONTAINED IN A FEED STREAM ARE COMPLEXED WITH A LIQUID SORBENT SOLUTION OF CUPROUS ALUMINUM HALIDE. THE COMPLXED COMPLEXIBLE LIGANDS ARE THEN SEPARATED BY A LIGAND EXCHANGE OPERATIONS GENERALLY REQUIRING N-1 LIGAND EXCHANGE OPERATIONS FOR N COMPLEXED COMPLEXIBLE LIGANDS TO BE SEPARATED. THE SEPARATION IN EACH LIGAND EXCHANGE OPERATION IS EFFECTED BY CONTACTING THE SEVERAL COMPLEXED COMPLEXIBLE LIGANDS WITH A STRIPPING LIGAND WHICH FORMS A MORE STABLE COMPLEX WITH THE SORBENT THAT THE COMPLEXIBLE LIGAND OR LIGANDS TO BE SEPARATED AND RECOVERED, AND EXCHANGING THE STRILPPING LIGAND FOR THE COMPLEXIBLE LIGAND OR LIGANDS IN THE SORBENT COMPLEX.
Abstract:
A SOLVENT EXTRACTION PROCESS FOR SEPARATING COMPONENTS OF A FEEDSTREAM CONPRISING ISOMERIC C8-C20 ALKYL BENZENE AND NAPHTHALENE OR MIXTURES THEREOF IN WHICH THE FEEDSTREAM IS CONTACTED WITH A TERNARY COMPOUND, SAID TERNARY COMPOUND COMPRISING R:HX:2AIX3 WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF C8-C20 ALKYL BENZENES AND NAPHTHALENES AND IS AT LEAST AS BASIC AS THE MATERIAL TO BE SEPARATED, AND X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, IN THE PRESENCE OF A HYDROGEN HALIDE.