发明名称 |
PROCESS FOR THE INTRODUCTION OF A POLYMERISATION CATALYST INTO A GAS-PHASE FLUIDISED BED |
摘要 |
Process for introducing a polymerisation catalyst in solid form into a gas-phase fluidised bed using an injection device having an inner tube of internal cross-sectional area of 10-100 mm2 and an outer tube forming an annulus around the inner tube with a cross-sectional area of 1-10 times the internal cross-sectional area of the inner tube. The polymerisation catalyst and a carrier gas are passed through the inner tube into the gas-phase fluidised bed at a carrier gas linear velocity of 4-14 m/s and a carrier gas mass flow rate of 10-35 kg/h. A shielding gas is passed through the outer tube and into the gas-phase fluidised bed at a shielding gas linear velocity of 1-10 times the linear velocity of the carrier gas through the inner tube and at a shielding gas mass flow rate of 100-500 kg/h. No cooled recycle process gas is provided to the injection device. |
申请公布号 |
US2012130029(A1) |
申请公布日期 |
2012.05.24 |
申请号 |
US201113300984 |
申请日期 |
2011.11.21 |
申请人 |
BORDAIS BRUNO;KEMP CHRISTOPHER JAMES;LAILLE JOSE ANDRE;LEMESLE WILLY;KALZ WILHELM;PERIO LOIC;INEOS EUROPE LIMITED |
发明人 |
BORDAIS BRUNO;KEMP CHRISTOPHER JAMES;LAILLE JOSE ANDRE;LEMESLE WILLY;KALZ WILHELM;PERIO LOIC |
分类号 |
C08F2/01 |
主分类号 |
C08F2/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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