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Water is separated from the first overhead stream, and the resulting isobutylene-enriched stream is recycled back to the reaction step. The first bottoms stream is distilled to produce a bottoms product stream comprising diisobutylene and a second overhead stream comprising tertiary butyl alcohol and diisobutylene.he reaction product stream, comprising diisobutylene, isobutylene, TBA, and water, is purified by a process a shown in. . The reaction product stream is passed via line 11 to a first distillation tower 10. Tower 10 contains 35 ideal stages, 11 above feed and 24 below feed.
My name is Craig and in this video I will show you how to correctly use SharkBite to Polybutylene Conversion Couplings. Polybutylene pipe was introduced into the USA some 30 years ago and due to subsequent failures it is now unavailable. However, many thousands of dwellings were installed with polybutylene and still require maintenance today. SharkBite conversion couplings are specifically engineered to polybutylene pipe specifications. The SharkBite conversion coupling will convert polybutylene to any copper tube size (CTS), such as copper, PEX, or CPVC. The pipe end can only be used on polybutylene pipe. Remove as much of the polybutylene pipe as possible to minimize or eliminate possible future failures.