HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR PRODUCING CHEMICALS

摘要

Disclosed is a hollow fiber membrane module comprising a housing and a hollow fiber membrane filled in the housing, the space between the hollow fiber membrane and the housing being sealed with a sealing agent; wherein the hollow fiber membrane is made of a polysulfone based resin; a membrane surface average pore diameter is 5 nm or more and 500 nm or less; a pure water permeability coefficient under 50 kPa at 25°C is 0.05 m 3 /m 2 /hour or more and 5 m 3 /m 2 /hour or less; the sealing agent is at least one selected from a polyurethane resin and an epoxy resin; and a decrease in tensile strength after bringing the sealing agent into contact with saturated steam at 121°C for 24 hours is 25% or less. The present invention provides a hollow fiber membrane module which has sufficient durability against steam sterilization and maintains stable filtration property over a long period of time, and a method for producing a chemical substance by a continuous fermentation process, using the same.