A comparison of co-current and counter-current modes for Fischer–Tropsch synthesis in two consecutive reactors of oxidative coupling of methane and Fischer–Tropsch

Ghareghashi, Abbas; Ghader, Sattar; Hashemipour, Hassan; Moghadam, H R Amir

doi:10.1016/j.jngse.2013.04.002

Cited by 9 publications

(1 citation statement)

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“…The existence of CO, CO 2 , and H 2 within the autoclave alongside the iron and nickel components of the stainless steel interior wall were thought to benefit the Fischer–Tropsch synthesis. The Fischer–Tropsch process generates liquid hydrocarbons through a collection of chemical reactions from a mixture of gases. − Initially the main products were amorphous carbon, and conventional CNTs started to emerge at temperatures of about 600 °C. As the temperature was further increased to 700 °C, Y-junction nanotubes with a bamboo-shaped, hexagonal graphite structure became the prevalent product.…”

Section: Various Carbon Products From High Temperature/high Pressure ...mentioning

confidence: 99%

A Review: Synthesis of Carbon-Based Nano and Micro Materials by High Temperature and High Pressure

Bazargan

Yan

Hui

et al. 2013

Ind. Eng. Chem. Res.

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This review covers the production of solid carbonaceous materials at high temperatures (above 500 °C) and high pressures. The review orders the high temperature/high pressure (HTHP) studies by their final product categories, namely carbon spheres, prolate spheroids (also known as ellipsoids and olivaries), nanotubes, and others such as diamonds, fullerenes, composites, and nanostars. The mechanisms as well as the properties of the products are discussed. In particular, the literature pertaining to the production of carbon ellipsoids has been collected for the first time. On one hand, the review concludes that, due to the existence of other conventional and more practical methods, the production of nanotubes and spheres via HTHP does not appear to be industrially feasible. On the other hand, using the HTHP method to produce olivary carbons and other new and exotic products seems attractive due to the absence of conventional methods for their production.

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