 NEW YORK--BUSINESS WIRE--Cerberus Capital Management, L.P. together with its affiliates, Cerberus and Koch Minerals Trading, LLC Koch today announced a partnership that has agreed to acquire the PQ Performance Chemicals business of PQ Group Holdings Inc. NYSE: PQG PQ for approximately 1.1 billion. PQ Performance Chemicals is a leading global producer of sodium silicates, specialty silicas, and zeolites. The business supports a broad range of end uses, including for person 