Reactors for catalytic alkylation

Содержание

1. Reactors for catalytic alkylation
2. Plan
3. Alkylation is
4. Butane-butylene fraction
5. The alkylation reaction of isobutane with olefins
6. The HFAU can be divided into three
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Plan

Слайды и текст этой презентации

Слайд 1Reactors for catalytic alkylation
Performed by Abdrassilova A.K.
Abik N.A.
Kurmangaliyeva A.B.
Otynshiyev Y.B.
Speciality:

Petrochemistry
Checked by Pavlenko V.V.
Department of physical chemistry, catalysis and petrochemistry
Al-Farabi

Kazakh national university

Almaty, 2019

Reactors for catalytic alkylationPerformed by Abdrassilova A.K.Abik N.A.Kurmangaliyeva A.B.Otynshiyev Y.B.Speciality: PetrochemistryChecked by Pavlenko V.V.Department of physical chemistry,

Слайд 2Plan

Слайд 3 Alkylation is the introduction of

an alkyl substituent into the molecule of an organic compound.

Typical alkylating agents are alkyl halides, alkenes, epoxy compounds, alcohols, rarely aldehydes, ketones, esters, sulfides, diazoalkanes. Alkylation catalysts are mineral acids, Lewis acids and zeolites.

According to the mechanism of alkylation reaction it belongs to two main groups:

acid-catalytic alkylation reactions

thermal alkylation reactions

Alkylation is the introduction of an alkyl substituent into the molecule of

Слайд 4 Butane-butylene fraction (BBF) must be

purified from sulfur compounds, which are mainly represented by mercaptans.

The method of purification of BBF from mercaptans consists in alkaline extraction of mercaptans from hydrocarbon fraction and the subsequent regeneration of alkali in the presence of homogeneous or heterogeneous catalysts by oxygen of air with release of disulfide oil. This process is called the Merox.

The raw material of alkylation

$Butane-butylene fraction (BBF) must be purified from sulfur compounds, which are mainly$

Слайд 5The alkylation reaction of isobutane with olefins is accompanied by

the release of a large amount of heat, which must

be removed from the reaction zone. In industrial practice, two methods of heat removal have found application.

heat removal through the heat exchange surface located inside the reactor, in this case closed cooling cycles are used with the use of special refrigerants - ammonia, propane
heat removal by evaporation in the reaction space of the components involved in the reaction, for example, isobutane, in this case, the heat transfer surface is not needed, which greatly simplifies the design of the reactor.

Two methods of heat removal

The alkylation reaction of isobutane with olefins is accompanied by the release of a large amount of

Слайд 6The HFAU can be divided into three main sections:
reaction;
fractionation;
defluorinating

/ alumina treating.
The SAAU can be divided into five major

sections:
reaction;
Refrigeration;
effluent treating;
fractionation;
blowdown.

Catalysts

$The HFAU can be divided into three main sections: reaction;fractionation;defluorinating / alumina treating.The SAAU can be divided$

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Reactors for catalytic alkylation

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Слайды и текст этой презентации

Слайд 1Reactors for catalytic alkylation
Performed by Abdrassilova A.K.
Abik N.A.
Kurmangaliyeva A.B.
Otynshiyev Y.B.
Speciality:

Petrochemistry
Checked by Pavlenko V.V.
Department of physical chemistry, catalysis and petrochemistry
Al-Farabi

Слайд 2Plan

Слайд 3 Alkylation is the introduction of

an alkyl substituent into the molecule of an organic compound.

Слайд 4 Butane-butylene fraction (BBF) must be

purified from sulfur compounds, which are mainly represented by mercaptans.

Слайд 5The alkylation reaction of isobutane with olefins is accompanied by

the release of a large amount of heat, which must

Слайд 6The HFAU can be divided into three main sections:
reaction;
fractionation;
defluorinating

/ alumina treating.
The SAAU can be divided into five major

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Reactors for catalytic alkylation

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Слайд 1Reactors for catalytic alkylationPerformed by Abdrassilova A.K.Abik N.A.Kurmangaliyeva A.B.Otynshiyev Y.B.Speciality:

PetrochemistryChecked by Pavlenko V.V.Department of physical chemistry, catalysis and petrochemistryAl-Farabi

Слайд 2Plan

Слайд 3 Alkylation is the introduction of

an alkyl substituent into the molecule of an organic compound.

Слайд 4 Butane-butylene fraction (BBF) must be

purified from sulfur compounds, which are mainly represented by mercaptans.

Слайд 5The alkylation reaction of isobutane with olefins is accompanied by

the release of a large amount of heat, which must

Слайд 6The HFAU can be divided into three main sections: reaction;fractionation;defluorinating

/ alumina treating.The SAAU can be divided into five major

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Слайд 1Reactors for catalytic alkylation
Performed by Abdrassilova A.K.
Abik N.A.
Kurmangaliyeva A.B.
Otynshiyev Y.B.
Speciality:

Petrochemistry
Checked by Pavlenko V.V.
Department of physical chemistry, catalysis and petrochemistry
Al-Farabi

Слайд 6The HFAU can be divided into three main sections:
reaction;
fractionation;
defluorinating

/ alumina treating.
The SAAU can be divided into five major