Norman P. Lieberman is a chemical engineer with 46 years of experience in process plant operation, design, and field troubleshooting. An independent consultant, he troubleshoots oil refinery and chemical plant process problems and prepares revamp process designs. Mr. Lieberman teaches 20–25 seminars a year on “Troubleshooting Process Plant Operations,” and this book is based on his long experience in field troubleshooting refinery and process plant problems.