DEVICE AND METHOD OF GAS-PHASE POLYMERISATION IN FLUIDISED BED Russian patent published in 2013 - IPC B01J8/24 C08F2/01 C08F2/34 

FIELD: process engineering.

SUBSTANCE: invention relates to gas-phase polymerisation in fluidixed ved. Proposed device comprises first vertical cylindrical section of diameter D₁ and cross-section area A₁ and section mounted in vertical direction above said first section and at the center of vertical axis shared with first vertical cylindrical section. Note here that second section base features cylindrical cross-section of diameter D₁ making over 4.5 m connected with first section top part. Note also that maximum area A₂ of second section horizontal cross-section above its base is 3.2-6 times larger than first section cross-section area A₁. Proposed method comprises polymerisation one or several olefins in reaction in fluidised bed at above described device.

EFFECT: higher efficiency and flexibility of polymerisation.

10 cl, 1 dwg, 5 ex