Coke formation mechanisms and coke inhibiting methods in pyrolysis furnaces

J Towfighi, M Sadrameli, A Niaei - Journal of chemical engineering of …, 2002 - jstage.jst.go.jp
Research has been carried out to understand the mechanisms under which coke formation
occurs and to search for solutions to reduce or eliminate coke deposition. Significant efforts …

Anti-coking performance of Cr/CeO2 coating prepared by high velocity oxygen fuel spraying

Y Sun, M Huang, J Li, Z Wang, J Zhou - Fuel Processing Technology, 2022 - Elsevier
The coke in the coils has a serious impact on the long-term and stable operation of the
ethylene plant. Inhibiting coking of the cracking furnace is an important issue. In this paper …

Bond dissociation energies of organophosphorus compounds: an assessment of contemporary ab initio procedures

K Hemelsoet, F Van Durme… - The Journal of …, 2010 - ACS Publications
Thermodynamic properties of phosphorus-containing compounds were investigated using
high-level ab initio computations. An extended set of contemporary density functional theory …

Coke formation reduction in the steam cracking of naphtha on industrial alloy steels using sulfur-based inhibitors

D Salari, A Niaei, MR Shoja, R Nabavi - International journal of …, 2010 - degruyter.com
Coke formation reduction during naphtha pyrolysis was investigated using dimethyl disulfide
(DMDS) and carbon disulfide (CS2) as inhibitors with different feed stocks. Different …

Optimal temperature control of a propane thermal cracking reactor

M Shahrokhi, A Nejati - Industrial & engineering chemistry …, 2002 - ACS Publications
In this paper, using a suitable model for propane thermal cracking and based on a cost
function, the optimal temperature profile is obtained. To achieve the optimal temperature …

Synthesis of N, N, N′, N′-tetraoctyl-3-oxapentane-1, 5-diamide (TODGA) and its steam thermolysis-nitrolysis as a nuclear waste solvent minimization method

DD Dicholkar, P Kumar, PK Heer… - Industrial & …, 2013 - ACS Publications
The amide based nuclear extractant, N, N, N′, N′-tetraoctyl-3-oxapentane-1, 5-diamide
(TODGA), was synthesized by an alternate route. A noncatalytic steam thermolysis and …

Effect of potassium acetate on coke growth during light naphtha thermal cracking

W Zhiyuan, X Hong, L Xiaojian, H Feng… - Industrial & …, 2011 - ACS Publications
Potassium acetate was used as a coking inhibitor to reduce coking during light naphtha
cracking on a Cr25Ni35 alloy specimen that had already been used for 8 years. The effects …

Competitive reactions of organophosphorus radicals on coke surfaces

S Catak, K Hemelsoet, L Hermosilla… - … A European Journal, 2011 - Wiley Online Library
The efficacy of organophosphorus radicals as anticoking agents was subjected to a
computational study in which a representative set of radicals derived from industrially …

Modeling and optimizing of steam pyrolysis of dimethyl formamide by using response surface methodology coupled with Box-Behnken design

DD Dicholkar, VG Gaikar, S Kumar… - Journal of Analytical and …, 2012 - Elsevier
A non-catalytic steam pyrolysis of N, N-dimethyl formamide (DMF) was studied in a SS 316
plug flow reactor at atmospheric pressure as a waste solvent minimization method. The …

Simulation of SiO2/S coating deposition in a pilot plant set-up for coking inhibition

Z Wang, H Xu, J Zhou, X Luan - Chemical Engineering Research and …, 2013 - Elsevier
The anti-coking SiO2/S coating was prepared on the inner surface of HK40 alloy tube in a
pilot plant set-up by atmospheric pressure chemical vapour deposition (APCVD). The …