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Physical Chemistry Research، جلد ۱۲، شماره ۱، صفحات ۸۵-۹۳
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عنوان انگلیسی Impact of Oil Viscosity on Carbon Stabilization Using Polyisobutylene Succinimide (PIBSI) Dispersant
چکیده انگلیسی مقاله Polymeric-based dispersant plays a crucial role in stabilizing carbon particles in oil system, where their concentration and the viscosity of the bulk oil play an important role in carbon interactions. The model system used is able to produce neat fundamental understanding of the behaviour of carbon particles in oil, influenced by the concentration of polyisobutylene succinimide(PIBSI) dispersant. The surface charges of the carbon particles were calculated from the electrophoretic mobility measurement, and the aggregation behaviour was evaluated using the hydrodynamic particle size measurement via the Dynamic Light Scattering (DLS) instrument and UV-Vis absorption. Comparatively, the magnitude of carbon effective surface charge in decane system was higher than in hexane without any PIBSI. The trend reached into an agreement at high PIBSI concentrations, with decane systems having larger charge magnitude, and particles in hexane were leaning towards the zero charges. The DLS measurements revealed that large carbon aggregates formed at low PIBSI concentration for hexane system, where a contrasting finding was reported for decane system. The UV-Vis absorption spectra of carbon particles in the decane system discovered that the system with 5 wt.% of PIBSI had the highest absorption, where the peak of absorption spectra in hexane increases with PIBSI concentration.
کلیدواژه‌های انگلیسی مقاله Dispersant,Surface charge,Carbon,Aggregation,Interaction
نویسندگان مقاله Amir Muhammad Noh Amin Abdul Rahman |
School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia

Zhi Kei Yoong |
School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia

Muhammad Khalil Abdullah |
School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia

Azlan Ariffin |
School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia

Mohamad Danial Shafiq |
School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia

نشانی اینترنتی https://www.physchemres.org/article_170087_0230ca3243f07f2db4de808a6512631f.pdf
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