12-09-2019 дата публикации
Номер: US20190276748A1
Принадлежит:
The invention relates to hydrocarbon pyrolysis, to equipment and materials useful for hydrocarbon pyrolysis, to processes for carrying out hydrocarbon pyrolysis, and to the use of hydrocarbon pyrolysis for, e.g., hydrocarbon upgrading. 1. A hydrocarbon pyrolysis process , the process comprising:{'sub': '2+', '(a) providing a feed comprising ≥1 wt. % of C hydrocarbon, wherein the feed has a pyrolysis heat of reaction (ΔH in cal./mol);'}{'sub': R', 'P, 'sup': '3', 'claim-text': (A) a first aperture, the first aperture being proximate to the first opening and in fluidic communication with the first opening,', '(B) at least one internal channel in fluidic communication with the first aperture, and', '(C) a second aperture, the second aperture being in fluidic communication with the first aperture via a flowpath through the channel;, '(b) providing an elongated flow-through reactor having (i) an internal volume which includes first and second regions, opposed first and second openings in fluidic communication with the internal volume, wherein the first and second openings are separated by a reactor length (L), and (ii) a first thermal mass located in the first region, wherein the first channeled thermal mass has a solid density (ρs)≤12 g/cm, a heat capacity (C)≤0.5 cal/g° C., and an open frontal area (OFA)≤55%, and wherein the first channeled thermal mass includes{'sub': R', 'av', 'p', 'p', 'av', 'av, '(c) preselecting pyrolysis conditions for pyrolysis of the feed in the channel, wherein the pyrolysis conditions include a residence time in the channel (t)≤1 sec., a feed conversion (X)≥50%, an average total pressure in the channel (P)≥1 bar, an average bulk gas temperature in the channel (T)≤1500° C. at the start of the pyrolysis, a peak gas temperature (T) located in the channel, T>T, and a change in average bulk gas temperature during the pyrolysis (ΔT)≤100° C.;'}{'sub': 'ref', 'claim-text': {'br': None, 'i': t', 't', '*ρs*C', '*R*T', '*ΔT', 'OFA', 'OFA', 'X*ΔH*P, 'sub ...
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