| 摘要 |
FIELD: petrochemical processes. ^ SUBSTANCE: propylene is subjected to oligomerization in presence of phosphoric acid catalyst at elevated temperature and pressure. Propylene dimer fraction is separated from oligomerizate and returned into oligomerization process simultaneously normal alpha-olefin fraction and fraction containing C6 and C8-olefins. Weight ratio of the two fraction is (4-1):(1-4), respectively. ^ EFFECT: increased yield of propylene trimers and tetramers and enabled controlling proportions and yields thereof. ^ 3 cl, 1 tbl, 6 ex |
