... in Bisphenol-A synthesis CH973Bisphenol-A synthesis, also used in esterification and hydrolysis of esters processes. BCH-1A, BCH-1BEtherification / Aromatic ... Alkylation. BCH-12 High Temperature. Olefin hydration (MEK, propylene butylene), esterification and aromatic alkylation.BCH-2 Acid neutralization