This data shows that an organic soluble salt of a weak base and strong acid can be completely neutralized by contacting the organic phase with an aqueous buffer solution and that the free base is thereby returned to the organic phase. 

Although the invention has been illustrated by certain of the preceding examples, it is not to be construed as being limited thereby; but rather, the invention encompasses the generic area as hereinbefore disclosed. Various modifica› tions and embodiments can be made without departing from the spirit and scope thereof. 

We claim: 

1. A process which comprises reacting one or more reactants in the presence of a rnetal-organopolyphosphite ligand complex catalyst and optionally free organopoly› phosphite ligand to produce a reaction product fluid com› prising one or more products, wherein said process is conducted at (a) a carbon monoxide partial pressure such that reaction rate increases as carbon monoxide partial pressure decreases and reaction rate decreases as carbon monoxide partial pressure increases and which is sufficient to prevent and/or lessen deactivation of the metal› organopolyphosphite ligand complex catalyst and (b) a temperature such that the temperature difference between reaction product fluid temperature and inlet coolant tem› perature is sufficient to prevent and/or lessen cycling of carbon monoxide partial pressure, hydrogen partial pressure. total reaction pressure, reaction rate and/or temperature during said process. reacting 

2. $_{A }$hydroformylation process which comprises one or more olefinic unsaturated compounds with carbon monoxide and hydrogen in the presence of a metal› organopolyphosphite ligand complex catalyst and optionally $_{free }$organopolyphosphite ligand to produce a reaction prod› uct fluid comprising one or more aldehydes, wherein said hydroformylation process is conducted at (a) a carbon monoxide partial pressure such that hydroformylation reac› tion rate increases as carbon monoxide partial pressure decreases and hydroformylation reaction rate decreases as carbon monoxide partial pressure increases and which is sufficient to prevent and/or lessen deactivation of the metal› organopolyphosphite ligand complex catalyst and (b) a temperature such that the temperature difference between reaction product fluid temperature and inlet coolant tem› perature is sufficient to prevent and/or lessen cycling of carbon monoxide partial pressure, hydrogen partial pressure, total reaction pressure, hydrofonnylation reaction rate and/ or temperature during said hydroformylation process. process which com› 

3. $_{An }$improved hydroformylation prises (i) reacting in at least one reaction zone one or more olefinic unsaturated compounds with carbon monoxide and hydrogen in the presence of $_{a }$metal-organopolyphosphite ligand complex catalyst and optionally free organopoly› phosphite ligand to produce a reaction product fluid com› prising one or more aldehydes and (ii) separating in at least one separation zone or in said at least one reaction zone the one or more aldehydes from said reaction product fluid. the improvement comprising preventing and/or lessening deac› tivation of $_{the }$metal-organopolyphosphite ligand complex catalyst and preventing and/or lessening cycling of carbon monoxide partial pressure, hydrogen partial pressure, total reaction pressure, hydroformylation reaction rate and/or temperature during said hydroformylation process by con› ducting said hydroformylation process at (a) a carbon mon› oxide partial pressure such that hydroformylation reaction rate increases as carbon monoxide partial pressure decreases and hydroformylation reaction rate decreases as carbon monoxide partial pressure increases and (b) a temperature 

such that the temperature difference between reaction prod› uct fluid temperature and inlet coolant temperature is less than about 25° C. which comprises reacting 

4. $_{A }$hydroformylation process one or more olefinic unsaturated compounds with carbon monoxide and hydrogen in the presence of a metal› organopolyphosphite ligand complex catalyst and optionally $_{free }$organopolyphosphite ligand to produce a reaction prod› uct fluid comprising one or more aldehydes. wherein said hydroformylation process is conducted at a carbon monox› ide partial pressure such that hydroformylation reaction rate increases as carbon monoxide partial pressure decreases and hydroformylation reaction rate decreases as carbon monox› ide partial pressure increases and which is sufficient to prevent and/or lessen deactivation of the metal- organopolyphosphite ligand complex catalyst. process of claim 3 

S. The improved hydroformylation which comprises (i) reacting in at least one reaction zone one or more olefinic unsaturated compounds with carbon mon› oxide and hydrogen in the presence of a metal- organopolyphosphite ligand complex catalyst and optionally $_{free }$organopolyphosphite ligand to produce a reaction prod› uct fluid comprising one or more aldehydes and (ii) sepa› rating in at least one separation zone or in said at least one reaction zone the one or more aldehydes from said reaction product fluid. wherein said reaction product fluid contains at least $_{some }$organomonophosphite ligand formed during said hydroformylation process. the improvement comprising conducting said process at (a) a carbon monoxide partial pressure such that hydroformylation reac- tion rate increases as carbon monoxide partial pressure decreases and hydroformylation reaction rate decreases as carbon monoxide partial pressure increases and which is sufficient to prevent and/or lessen coordination of the orga› n om on op hosp hit e ligand with said metal- organopolyphosphite ligand complex catalyst and (b) a temperature such that the temperature difference between reaction product fluid temperature and inlet coolant tem› perature is sufficient to prevent and/or lessen cycling of carbon monoxide partial pressure. hydrogen partial pressure. total reaction pressure, hydroformylation reaction rate and/ or temperature during said hydroformylation process. process of claim S 

6. The improved hydroformylation which comprises (i) reacting in at least one reaction zone one or more olefinic unsaturated compounds with carbon mon- oxide and hydrogen in the presence of a metal› organopolyphosphite ligand complex catalyst and optionally $_{free }$organopolyphosphite ligand to produce a reaction prod› uct fluid comprising one or more aldehydes and (ii) sepa› rating in at least one separation zone or in said at least one reaction zone the one or more aldehydes from said reaction product fluid, wherein said reaction product fluid contains at least $_{some }$organomonophosphite ligand formed during said hydroformylation process. the improvement comprising pre› venting and/or lessening coordination of the organomono- phosphite ligand with said metal-organopolyphosphite ligand complex catalyst and preventing and/or lessening cycling of carbon monoxide partial pressure, hydrogen par› tial pressure. total reaction pressure, hydroformylation reac› tion rate and/or temperature during said hydroformylation process by conducting said hydroformylation process at (a) a carbon monoxide partial pressure such that hydroformy› lation reaction rate increases as carbon monoxide partial pressure decreases and hydroformylation reaction rate decreases as carbon monoxide partial pressure increases and (b) a temperature such that the temperature difference between reaction product fluid temperature and inlet coolant temperature is less than about 25° C. 

