| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to method (versions) and apparatus for esterification of polyester in fused phase. Reaction medium is subjected to esterification in vertical elongated reactor. Reactor represents a tank with fluid inlet and, at least, two separate outlets, one for fluid reaction medium discharge and another one for bypass vapor discharge. Vapor discharge is arranged above fluid discharge while fluid inlet is arranged under fluid discharge. Esterification reactor allows heating reaction medium without mechanical mixing or with mechanical mixing of, at least, 50 percent of said reaction medium. ^ EFFECT: improved operating characteristics and flexibility compared to reactors with continuous mixing of prior art. ^ 19 cl, 3 dwg |
