“Insulator-conductor” composite structures have been extensively used in a vast number of fields in recent years. However, due to different factors including but not limited to environmental and adverse working conditions, the interface between the…
Methane is the primary component of liquefied natural gas (LNG) and a potent greenhouse gas (GHG). The undesired methane emissions across the natural gas supply chain has been proven to worsen the lifecycle GHG emissions from the transportation…
Liquid holdup is one of the most significant parameters in multiphase flow. Accurate measurement of liquid holdup is required to calculate pressure drops in oil and gas wells which is essential in analyzing the well production, performance, well…
A green, clean, and rapid process employing sunlight for converting a large quantity of graphene oxide (GO) into reduced graphene oxide (rGO) is presented herein. In this protocol, the sunlight is concentrated using a Fresnel lens and focused on GO,…
The hard/soft CoFe2O4/(NiSc0.03Fe1.97O4)x (0 x 5) or simply (CFO-xNFSO) nanocrystals (NCs) were synthesized through solgel auto-combustion technique. The structural and magnetic properties of the ferrite composite NCs were explored in detail. The…
A hybrid electrical energy storage system (EESS) consisting of supercapacitor (SC) in combination with lithium-ion (Li-ion) battery has been studied through theoretical simulation and experiments to address thermal runaway in an electric vehicle. In…
Either CoxSy transition metal sulfide or reduced graphene oxide (RGO) has become major electrode material for supercapacitor. Herein, nanostructured RGO@CoxSy composites were optimized by different sulfur sources and a one-step solvothermal method.…
Rational design and sustainable preparation of high-performance carbonaceous electrode materials are important to the practical application of supercapacitors. In this work, a cost-effective synthesis strategy for nitrogen and oxygen co-doped porous…
The preparation of flexible nano-scale carbon materials with good energy storage properties using biomass is a challenging task. Herein, we developed a simple and efficient strategy for preparing high-performance green nano-scale carbon fibrous…
Graphene is being suggested as a replacement for activated carbon in energy storage devices ranging from supercapacitors to batteries. The generation of multi-heteroatom self-doped graphene structure from waste materials will be an efficient way to…
Porous carbon (PC) derived from the petroleum pitch via the template-guidance coupled with activation methodology, possesses hierarchical pore structure in view of micropore and mesopore. As the electrode material for electrochemical double-layer…
Standard Bottle Test is often the most common technique to gauge the demulsification performance of a newly formulated crude oil demulsifier. In our work, we have attempted to devise a more specific reliable and reproducible technique for monitoring…
Supercapacitors require the use of electrode materials exhibiting high surface area, thermal and environmental stability, low cost and good conductivity. Asphaltene, an undesired and problematic fraction of crude oil production, is one such…
A new self-adaptive algorithm based on the frequency signal of the moving transmitter was proposed and tested by the experiment, which could identify automatically the dynamic multi-interfaces of gas/oil and oil/water in the crude oil tank, and solve…
The issue of environmental protection has received constant attention from the state, and the problem of leakage of buried oil tanks has also been paid attention. This paper is based on the ECT method to detect the leakage of buried oil tanks,…
This article proposes a new method for detecting water content in oil-water emulsions by a coaxial double cylinder electrodes system. An equivalent circuit model of the system is developed that consists of the electrical double layers, sample…
Electrical Capacitance Tomography (ECT) is a non-intrusive type of Process Tomography, which is used for obtaining information about the distribution of the contents of closed pipes by measuring variations in the dielectric properties of the material…
The extraction and transportation of crude oil is a typical multiphase flow process. In order to visualize the oil/gas/water distribution, simulation and static tests are carried out in this paper. Electrical capacitance tomography (ECT) and…
This article proposes a new method for detecting water content in oil-water emulsions by a coaxial double cylinder electrodes system. An equivalent circuit model of the system is developed that consists of the electrical double layers, sample…
A simple solution is presented for identifying the phase fraction and flow rate of a petroleum carrying pipeline with three-phase stratified smooth and wavy flow. The proposed method mounts a set of semicylindrical electrodes on the internal surface…
Supercapacitors require the use of electrode materials exhibiting high surface area, thermal and environmental stability, low cost and good conductivity. Asphaltene, an undesired and problematic fraction of crude oil production, is one such…