Simulation and Optimization of the Utilization of Triethylene Glycol in a Natural Gas Dehydration Process
-
Zykamilia Kamin
,
Awang Bono
Abstract
The dehydration unit of a plant that processes natural gas uses triethylene glycol (TEG) as an absorbent to remove water from the gas to prevent blockages in pipes due to the formation of hydrates. Although TEG is recyclable, it is usually lost in the system due to vaporization and carryover, which results in economic issues. Therefore, it is necessary to optimize the dehydration process to achieve the allowable water concentration in the gas, to minimize the use of energy, and to minimize the loss of TEG. Experimental set was designed using Design Expert software by utilising data from Farashband gas processing plant, Iran and subsequently, fed to ASPEN HYSYS to construct and simulate the dehydration process. The chosen affecting parameters to the process were the (1) lean glycol circulation rate, (2) the temperature of the reboiler, and (3) the number of trays in the contactor column. Whereas, the response parameters included the (1) amount of glycol that was lost, (2) the reboiler duty, (3) the concentration of water in the dry gas, and the (4) temperature at which the hydrate formed. Then, these data were optimized using the response surface methodology (RSM). The results indicated that the optimum conditions within the experimental range conducted in this study of process parameters chosen, of the lean glycol circulation rate, the temperature of the reboiler, and the number of trays in the glycol contactor column for the gas dehydration process for the plant were 3944 kg/hr, 180 °C, and three trays, respectively.
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Articles in the same Issue
- Editorial
- Editorial: Special Issue of 29th Symposium of Malaysian Chemical Engineers (SOMChE) 2016 – Process System Engineering
- Research Articles
- Effect of Inventory Change in a Liquid – Solid Circulating Fluidized Bed (LSCFB)
- Simulation and Optimization of the Utilization of Triethylene Glycol in a Natural Gas Dehydration Process
- Development of Adaptive Soft Sensor Using Locally Weighted Kernel Partial Least Square Model
- Comparison of Turbulence Models for Single Sphere Simulation Study Under Supercritical Fluid Condition
- Integrated Palm Biomass Supply Chain toward Sustainable Management
- Multi-Scale Control of Bunsen Section in Iodine-Sulphur Thermochemical Cycle Process
- Optimisation of Design and Operation Parameters for Multicomponent Separation via Improved Lewis-Matheson Method
- The Effect of Various Components of Triglycerides and Conversion Factor on Energy Consumption in Biodiesel Production
- CFD Simulation on the Hydrodynamics in Gas-Liquid Airlift Reactor
- Analysis of the Steady-State Multiplicity Behavior for Polystyrene Production in the CSTR
- Numerical Studies on the Laminar Thermal-Hydraulic Efficiency of Water-Based Al2O3 Nanofluid in Circular and Non-Circular Ducts
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Articles in the same Issue
- Editorial
- Editorial: Special Issue of 29th Symposium of Malaysian Chemical Engineers (SOMChE) 2016 – Process System Engineering
- Research Articles
- Effect of Inventory Change in a Liquid – Solid Circulating Fluidized Bed (LSCFB)
- Simulation and Optimization of the Utilization of Triethylene Glycol in a Natural Gas Dehydration Process
- Development of Adaptive Soft Sensor Using Locally Weighted Kernel Partial Least Square Model
- Comparison of Turbulence Models for Single Sphere Simulation Study Under Supercritical Fluid Condition
- Integrated Palm Biomass Supply Chain toward Sustainable Management
- Multi-Scale Control of Bunsen Section in Iodine-Sulphur Thermochemical Cycle Process
- Optimisation of Design and Operation Parameters for Multicomponent Separation via Improved Lewis-Matheson Method
- The Effect of Various Components of Triglycerides and Conversion Factor on Energy Consumption in Biodiesel Production
- CFD Simulation on the Hydrodynamics in Gas-Liquid Airlift Reactor
- Analysis of the Steady-State Multiplicity Behavior for Polystyrene Production in the CSTR
- Numerical Studies on the Laminar Thermal-Hydraulic Efficiency of Water-Based Al2O3 Nanofluid in Circular and Non-Circular Ducts
- Simultaneous Carbon Capture and Reuse Using Catalytic Membrane Reactor in Water-Gas Shift Reaction
