Alkylation reaction method for isoparaffin and alkene with liquid acid for catalysis
A technology of alkylation reaction and isoparaffin, applied in chemical instruments and methods, organic chemistry, hydrocarbons, etc., can solve the problems of unsatisfactory mixing, bulky equipment, and insufficient compact structure, etc., and achieve improved microscopic mixing The effect of high level, low equipment investment and easy processing
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Embodiment 1
[0042] As shown in the figure, this embodiment provides a method and device using concentrated sulfuric acid as an alkylation catalyst.
[0043] Alkylation catalyst Concentrated sulfuric acid (98.5% concentration, the same below) and circulating acid are pumped into a set of static mixer 1 (Sulzer Construction Machinery Manufacturing Co., Ltd. SMV) through circulating acid pump 4 TM type, the same below), the circulating hydrocarbon is returned to the alkylation reaction raw material through the circulating hydrocarbon pump 5 through the pipeline 10 (the raw material line is divided into 2 routes), and mixed with the prepared fresh raw material with an alkene ratio of 8.3:1, Vertically enter the side part of the static mixer 1, and the acid hydrocarbon phase in the static mixer is strongly mixed, so that the olefins in the mixed material can reach a microscopic mixed state. The uniformly mixed mixed material reacts for a period of time and then enters the separator 2 under red...
Embodiment 2
[0046] As shown in the figure, this embodiment provides a method and device using concentrated sulfuric acid as an alkylation catalyst.
[0047] Alkylation catalyst Concentrated sulfuric acid (98.5% concentration, the same below) and circulating acid are pumped into a set of static mixer 1 (Sulzer Construction Machinery Manufacturing Co., Ltd. SMV) through circulating acid pump 4 TMtype, the same below), the circulating hydrocarbon is returned to the alkylation reaction raw material through the circulating hydrocarbon pump 5 through the pipeline 10 (the raw material line is divided into 4 routes), and mixed with the prepared fresh raw material with an alkene ratio of 9.5:1, Vertically enter the side part of the static mixer 1, and the acid hydrocarbon phase in the static mixer is strongly mixed, so that the olefins in the mixed material can reach a microscopic mixed state. The uniformly mixed mixed material reacts for a period of time and then enters the separator 2 under redu...
Embodiment 3
[0050] As shown in the figure, a kind of strongly acidic AlCl provided in this embodiment 3 A method and an apparatus for using an ionic liquid as an alkylation catalyst.
[0051] Alkylation Catalyst Strongly Acidic AlCl 3 Type ionic liquid (concentration is 95.0%, the same below) and circulating acid are injected into a group of static mixer 1 (Sulzer Engineering Machinery Manufacturing Co., Ltd. SMV) through circulating acid pump 4 TM type, the same below), the circulating hydrocarbon is returned to the alkylation reaction raw material through the circulating hydrocarbon pump 5 through the pipeline 10 (the raw material line is divided into 3 routes), and mixed with the prepared fresh raw material with alkene ratio of 7.5:1, Vertically enter the side part of the static mixer 1, and the acid hydrocarbon phase in the static mixer is strongly mixed, so that the olefins in the mixed material can reach a microscopic mixed state. The uniformly mixed mixed material reacts for a pe...
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