<正>The Petrochemical Research Institute of PetroChina has completed the PDP on technology for recovery of butadiene through C4 alkynes hydrotreating which is r
<正>After optimization and operation for half a year,the 30 kt/a2,2,4-trimethyl-1,3-pentadiol mono-isobutyrate(hereinafter abbreviated as glycol ester-12)unit c