Resolution of crude mother liquors obtained in manufacture of pentaerythritol

Claim 1

A PROCESS FOR THE RESOLUTIONOF WASTE LIQUOR OBTAINED IN THE MANUFACTURE OF PENTAERYTHRITOL AND CONTAINING PENTAERYTHRITOL, ORGANIC SYRUPS, METAL FORMATE AND WATER WHICH COMPRISES EVAPORATING SAID WASTE LIQUOR TO SUBSTANTIAL DRYNESS, COMMINGLING THE RESULTING DRIED WASTE LIQUOR WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF SECONDARY AND TERTIARY ALIPHATIC MONOHYDRIC ALCOHOLS OF FROM 4 TO 6 CARBON ATOMS AND SECONDARY AND TERTIARY ALICYCLIC MONOHYDRIC ALCOHOLS OF FROM 4 TO 6 CARBON ATOMS, SAID SOLVENT BEING EMPLOYED IN AN AMOUNT NOT SUBSTANTIALLY IN EXCESS OF THAT REQUIRED TO DISSOLVE ALL OF THE PENTAERYTHRITOL AND ORGANIC SYRUPS CONTAINED IN THE DRIED WASTE LIQUOR AT THE TEMPERATURE EMPLOYED, SEPARATING THE RESULTING SOLUTION CONTAINING DISSOLVED PENTAERYTHRITOL AND ORGANIC SYRUPS FROM THE UNDISSOLVED MATERIAL COMPRISING METAL FORMATE AND RECOVERING FROM THE SOLUTION THE PENTAERYTHRITOL AND ORGANIC SYRUPS IN A FORM SUBSTANTIALLY FREE OF METAL FORMATE.