US 2026/0098009 A1 · Process for the Production of Specialty Mercaptans From the C4 Oligomerization Product

Abstract

The present invention relates to a process for the production of specialty mercaptans from C4 oligomerization product. The oligomer product from the commercial C4 oligomerization process is separated in desired fractions of C8 and C12 olefins and these streams are further used as feed stock for the production of the specialty mercaptans such as tert octyl mercaptan (TOM) & tert dodecyl mercaptan (TDM). These fractionated oligomer stream (C8 and C12) from the C4 oligomerization process reacts with hydrogen sulfide in presence of pretreated cation exchange resin catalyst using appropriate inhibitors such as amine precursors, nitriles and metals to produce respective sulfur compounds tert-octyl mercaptan (TOM) and tert dodecyl mercaptan (TDM).

Claims17

Dependent claims

A process for producing specialty mercaptans from C4 oligomerization product, the process comprising:

fractionating C4 oligomerization product to selectively recover desired oligomer fractions;
loading a cation exchange resin catalyst into a reactor;
pretreating the loaded cation exchange resin catalyst with an inhibitor in the reactor;
feeding the recovered desired oligomer fractions and hydrogen sulfide (H2S) into the reactor to obtain a reaction product mixture;
and
separating the reaction product mixture into an un-converted oligomer and a final product, wherein the final product comprises specialty mercaptans.

3 more elements

Dependencies are inferred from the claim text.

Process for the Production of Specialty Mercaptans From the C4 Oligomerization Product

Life of this patent

Process for the Production of Specialty Mercaptans From the C4 Oligomerization Product

Life of this patent

Abstract

Claims17