Device for the synthesis of dimeric species

Details Device for the synthesis of dimeric species Device for the synthesis of dimeric species

1996-04-26

1999-01-19

Gorgos, Kathryn L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

2041576, B01J 1908

Patent

active

058624481

ABSTRACT:
A compact, continuous-flow synthesis device for the production of dimeric hydrocarbon species by reacting unsaturated hydrocarbons such as alkenes and alkynes with atomic hydrogen or free radicals generated by the dissociation of molecular hydrogen or organics such as alkanes. The dissociation is carried out in a module either by the electric discharge between a pair of parallel, annular, flat disc, high-voltage electrodes or by the radiation between a pair of parallel, toroidal ultraviolet lamps. The reactant to be dissociated flows radially inward from the module periphery between the pair of electrodes or the pair of ultraviolet lamps, and reaches the axis of the annulus or torus in the dissociated state. Unsaturated hydrocarbons in the dispersed phase injected vertically down this axis react with the dissociated species in a collision chamber surrounding the dissociation module to form residual free radicals. Cooling the residual free radicals then converts them to condensed dimeric products in a collection basin adjacent to the collision chamber. Many dimeric species, such as 2,2,3,3-tetramethylbutane, can be produced from different starting materials. The device also generates dimeric products from the reaction of free radicals alone in the absence of unsaturated hydrocarbons.

REFERENCES:
patent: 4087342 (1978-05-01), Bloomfield
patent: 5104503 (1992-04-01), Crabtree et al.
patent: 5560890 (1996-10-01), Berman et al.

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