Abstract:
The present disclosure relates to preparation of liquid salt including but not limiting to ionic liquid and applications thereof. More particularly, the present disclosure provides a process for preparing ionic liquid which comprises reacting at least one electron-pair acceptor and at least one electron-pair donor to form an adduct, and reacting the adduct with at least one electron-pair acceptor to prepare said salt. The present disclosure also provides for applications of the ionic liquid prepared in the present disclosure.
Abstract:
The invention relates to a method for producing organic compounds of the general formula (I) R-R' (I), by reacting a corresponding compound of the general formula (II) R-X (H), where X stands for fluorine, chlorine, bromine, or iodine, forming a magnesium organic compound of the general formula (III) [M+]n [RmMgXkY1] (III), compounds of the formula (III) being reacted with a compound of the general formula (IV), characterized in that the reaction of (III) with (IV) is performed in the presence of a) catalytic quantities of an iron compound, relative to the compound of the general formula (II), and optionally in the presence b) of an additive comprising nitrogen, oxygen, and/or phosphorous in a catalytic or stoichiometric quantity relative to the compound of the general formula (II).
Abstract:
The present invention relates to a novel method for preparing 2,6-dialkylnaphthalene with high selectivity and high yield using entirely novel starting materials through alkylation and cyclodehydration without necessitating separation or purification of isomers, which has been a problem of the conventional method, and particularly to a method comprising the steps of (a) preparing an intermediate by alkylating an aromatic compound with an alkene compound in an equivalent ratio in the presence of a catalyst and (b) preparing 2,6-dialkylnaphthalene through cyclodehydration of the intermediate.
Abstract:
A reactant selected from the group consisting of alkanes, alkenes, alkynes, dienes, and aromatics is reacted with a halide selected from the group including chlorine, bromine, and iodine to form a first reaction product. The first reaction product is reacted with a solid oxidizer to form a product selected from the group including olefins, alcohols, ethers, and aldehydes, and spent oxidizer. The spent oxidizer is oxidized to form the original solid oxidizer and the second reactant which are recycled.
Abstract:
This invention is a process for the regeneration of a catalyst system component comprising certain transition aluminas promoted with a Lewis acid (preferably BF3) which have been used in the alkylation of isoparaffin with olefins. The process involves the calcination of the catalyst system component to volatilize and to oxidize the reaction product residue adhering to the solid catalyst. The process may include recovery and recycle of the involved Lewis acid.
Abstract:
The present disclosure provides methods to produce para -xylene, toluene, and other compounds from renewable sources ( e.g ., cellulose, hemicellulose) and ethylene in the presence of an acid, such as a Lewis acid. For example, cellulose and/or hemicellulose may be converted into 2,5-dimethylfuran (DMF) and 2-methylfuran, which may be converted into para -xylene and toluene, respectively. In particular, para -xylene can then be oxidized to form terephthalic acid.
Abstract:
The present invention provides a method for revamping an HF or sulphuric acid alkylation unit to an ionic liquid alkylation unit, wherein the HF or sulphuric acid alkylation unit comprise at least: -a reactor unit for contacting catalyst and hydrocarbon reactants; -a separator unit for separating a reactor effluent into a catalyst phase and an alkylate-comprising hydrocarbon phase; -a fractionator unit for fractionating the alkylate- comprising hydrocarbon phase into at least one stream comprising alkylate; -a catalyst phase recycle means to recycle at least part of the catalyst phase from the separator unit to the reactor unit; which method includes: -adapting the catalyst phase recycle means by providing a means for acid injection and/or a means for halohydrocarbon injection into the catalyst recycle means. The invention further provides a method for the production of alkylate.
Abstract:
A process for the preparation of linear alpha olefins having 2n carbon atoms from linear alpha olefins having n carbon atoms comprising the steps of: (a) dimerizing a linear alpha olefin having n carbon atoms in the presence of a dimerization catalyst to produce a linear internal olefin having 2n carbon atoms; (b)(i)reacting the linear internal olefin having 2n carbon atoms produced in step (a) with a trialkylaluminium compound in the presence of a catalytic amount of an isomerization/displacement catalyst in order to cause isomerization of the linear internal olefin and to displace alkyl group(s) from said trialkylaluminium compound to form an alkyl aluminium compound wherein at least one of the alkyl groups bound to aluminium is a linear alkyl which has been derived from the isomerization of said linear internal olefin, and (b)(ii) reacting said alkyl aluminium compound with an alpha olefin optionally in the presence of a displacement catalyst so as to displace said linear alkyl from said alkyl aluminium compound to form a linear alpha olefin having 2n carbon atoms.
Abstract:
A process for hydrodehalogenation of aromatic polyhalides, characterized by conducting hydrodehalogenation of an aromatic polyhalide in a reaction system comprising an organic solvent, an aromatic polyhalide, an aqueous solution of an inorganic base as the scavenger for the hydrogen halide to be formed by hydro- dehalogenation of the aromatic polyhalide, isopropyl alcohol as the hydrogen source for the hydrodechlorination, and a catalyst system composed of both an organonickel complex catalyzing the hydrodehalogenation of the aromatic polyhalide and PPh3.
Abstract:
The invention concerns compositions comprising a mixture of mono- and polybenzyl-1,2,3,4-tetrahydronaphthalenes. The invention also concerns said compositions or a mixture of monobenzyl-1,2,3,4-tetrahydronaphthalene isomers as heat transfer fluid. Said compositions or the mixture of monobenzyl-1,2,3,4-tetrahydronaphthalene isomers are obtained by the action of benzyl chloride on 1,2,3,4-tetrahydronaphthalene in the presence of FeCl3.