Synthesis and performance of maleic anhydride copolymers with alkyl linoleate or tetra-esters as pour point depressants for waxy crude oil

EA Soliman, MR Elkatory, AI Hashem, HS Ibrahim - Fuel, 2018 - Elsevier
The low-temperature flow properties of waxy crude oils are considered the determining
factor in the pipeline transportation. Such properties are highly affected by the content …

Styrene-maleic anhydride copolymer esters as flow improvers of waxy crude oil

AM Al-Sabagh, MRN El-Din, RE Morsi… - Journal of Petroleum …, 2009 - Elsevier
Four comb-like copolymers derived from styrene-maleic anhydride copolymer were
prepared and characterized by FTIR, 1H-NMR and elemental analysis. The molecular …

Investigation into a pour point depressant for Shengli crude oil

L Fang, X Zhang, J Ma, B Zhang - Industrial & engineering …, 2012 - ACS Publications
A new-style pour point depressant (PPD) for crude oil was prepared by mixing the aminated
copolymer and the composite commercial ethylene–vinyl acetate copolymers (EVA) in fixed …

Ozonized vegetable oil as pour point depressant for neat biodiesel

NU Soriano Jr, VP Migo, M Matsumura - Fuel, 2006 - Elsevier
The use of ozonized vegetable oils as pour point depressant for neat biodiesel was
evaluated. Ozonized vegetable oils (1–1.5% by weight) were effective in reducing the pour …

Synthesis of polymeric pour point depressants for Nada crude oil (Gujarat, India) and its impact on oil rheology

S Deshmukh, DP Bharambe - Fuel processing technology, 2008 - Elsevier
Five flow improvers have been synthesized to study rheological properties of Nada crude oil
(Gujarat, India). Anhydride copolymers were prepared making use of the copolymerization of …

Effect of polar/nonpolar groups in comb-type copolymers on cold flowability and paraffin crystallization of waxy oils

J Xu, S Xing, H Qian, S Chen, X Wei, R Zhang, L Li… - Fuel, 2013 - Elsevier
Comb-type poly (maleic alkylamide-co-α-octadecene) copolymers (MACs) with various
ratios of polar carboxyl group/nonpolar octadecyl group were synthesized. Upon cooling …

Pyrolysis of Heavy Fuel Oil (HFO)–A review on physicochemical properties and pyrolytic decomposition characteristics for application in novel, industrial-scale HFO …

M Schueppel, M Graebner - Journal of Analytical and Applied Pyrolysis, 2024 - Elsevier
Abstract Heavy Fuel Oil (HFO) undoubtedly represents the structurally most complex
petroleum fraction. Composed from a wide range of refinery resdiua after yielding the more …

Research on combined-pour point depressant of methacrylate-acrylamide copolymers and ethylene-vinyl acetate copolymers for diesel fuel

H Lin, S Yin, B Su, Y Xue, S Han - Fuel, 2021 - Elsevier
The combined-pour point depressants (PPDs) have shown potential for the improvement of
the cold flow properties of diesel. In this study, free radical polymerization was used to …

Hexa-triethanolamine oleate esters as pour point depressant for waxy crude oils

AA Hafiz, TT Khidr - Journal of Petroleum Science and Engineering, 2007 - Elsevier
New crystal modifier surfactants were developed by esterification of hexa-triethanolamine
with oleic acid to prepare mono, di, and tri-esters. The synthesized esters were confirmed by …

Castor oil as potential multifunctional additive in the formulation of eco-friendly lubricant

P Ghosh, M Hoque, G Karmakar - Polymer Bulletin, 2018 - Springer
The article investigates the performance of polymers prepared from castor oil and dodecyl
acrylate as biodegradable multifunctional additive in the formulation of eco-friendly lubricant …