Enhancing the Flowability of Crude Oil-Water Emulsions in Pipeline Transportation using <i>Trigonella foenum-graecum</i> Extract
Swetashree Pattanaik, Umakanta Behera, Debadutta Das, Pramila Kumari Misra
Abstract
The aqueous extract of Trigonella foenum-graecum seeds has been employed as a dispersant to enhance the flowability of crude oil-water emulsions. The stability and viscosity of the emulsions formed by mixing crude oil and water with varying concentrations of T. foenum-graecum seed extract addition and crude oil have been measured. The effects of different rheological constraints, such as shear stress, yield stress, shear rate, and the shear rate-shear stress relationship, were extensively analyzed to determine the efficacy of the developed dispersant. For the intended pipeline transportation of the crude oil water emulsions, the impact of T. foenum-graecum extract addition, based on the pressure drop and energy consumption, has been evaluated. A suitable mechanism of interaction is given to describe the stability of the oil-water emulsion.