Exact(15)
Differential scanning calorimetry and paraffin crystal morphology studies were clearly reflected that PMA affects the wax crystallization of crude oil.
Wax crystallization at low temperature is controlled by steric and geometrical constrains in these molecules.
This work shows that most of the differences in the hydrophobic properties depend on the amount of wax crystallization.
The effect of paraffin class-types on the wax crystallization tendency in oils and the activity of paraffin inhibitors was studied for waxy crude oils.
Furthermore, rheological characteristics and fracture energy of each wax-doped specimen at sub-zero temperatures was measured to study the effect of wax crystallization on asphalt binder properties.
Designing a specific multiphase flow test facility and applying a newly proposed technique for controlling the mixture temperature also allowed the examination of the recently discovered phenomenon regarding the effect of emulsified water droplets on accelerating the wax crystallization process above the WAT under dynamic conditions.
Similar(45)
The shellac oleogel showed a fat-mimetic structuring properties due to the reversible melting and crystallization of wax crystals.
Open image in new window Fig. 1 Schematic representation of wax crystal modifier co-crystallization with wax crystals (source: Al-Yaari 2011).
It was proved that MAC polymers either self-assemble to nucleate the crystallization of paraffins or co-crystallize with them to inhibit wax crystal growth.
Regarding crystallization process, it seems that this type of polymers does not alter the manner of paraffin crystallization, but avoid the agglomeration of the wax crystals.
A test using crystalline wax reveals crystallization as one of the major factors in determining the final texture.
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