Ethylene oligomerization tanks-in-series technology
A multi-tank series, ethylene oligomerization technology, used in the purification/separation of hydrocarbons, hydrocarbons, hydrocarbons, etc. It can improve the catalytic efficiency, reduce the content and facilitate the reaction conditions.
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Embodiment 1
[0029] Such as figure 1 As shown, under the protection of nitrogen, the pyridine bis-imine ligand L{2,6-bis-[(2-methyl-4-methoxyanilinoethyl)pyridine]} and iron acetylacetonate molar After adding anhydrous toluene solvent after mixing at a ratio of 1:1, place it in the main catalyst tank 1 so that the concentration of iron is 1×10 -3 mol / L. The cocatalyst tank 2 is a mixture of methylaluminoxane (MAO) and p-bromophenol, wherein the ratio of aluminum phenolate is -OH / Al=0.8. The two stocks of materials in tank 1 and tank 2 are mixed according to the ratio of Al / Fe(mol)=1500, then added to the catalyst mixing tank 3 and fully mixed, then pumped into the first stirred tank reactor 6 through metering pump 4, and simultaneously passed The purified polymerization-grade ethylene raw material gas enters the first stirred tank reactor 6 from the storage tank 5 to carry out ethylene oligomerization reaction, and the reacted material is transferred to the second stirred tank reactor 8 ...
Embodiment 2
[0032] Such as figure 1 As shown, under the protection of nitrogen, the pyridine bis-imine ligand L{2,6-bis-[(2-methyl-4-methoxyanilinoethyl)pyridine]} and iron acetylacetonate molar After adding anhydrous toluene solvent after mixing at a ratio of 1:1, place it in the main catalyst tank 1 so that the concentration of iron is 1×10 -3 mol / L. The cocatalyst tank 2 is a mixture of methylaluminoxane (MAO) and p-bromophenol, wherein the ratio of aluminum phenolate is -OH / Al=0.8. The two stocks of materials in tank 1 and tank 2 are mixed according to the ratio of Al / Fe(mol)=1500, then added to the catalyst mixing tank 3 and fully mixed, then pumped into the first stirred tank reactor 6 through metering pump 4, and simultaneously passed The purified polymerization-grade ethylene raw material gas enters the first stirred tank reactor 6 from the storage tank 5 to carry out ethylene oligomerization reaction, and the reacted material is transferred to the second stirred tank reactor 8 ...
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