Patent ID: 11939477
Assignee: MONOLITH MATERIALS, INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A method, comprising:
(a) producing, from a hydrocarbon feedstock in a reactor, an effluent gas comprising carbon particles and hydrogen;
(b) directing the effluent gas to a heat exchanger;
(c) separating at least a portion of the hydrogen from the effluent gas, thereby obtaining separated hydrogen;
(d) preheating the separated hydrogen in the heat exchanger to (i) at least 1200° C. or (ii) a temperature up to a reaction temperature in the reactor, thereby obtaining preheated hydrogen, wherein the heat exchanger comprises graphite; and
(e) providing the preheated hydrogen to the reactor.