(585i) Energy Integrated Natural Gas Liquid Recovery Process By Introducing Vapor Recompressed Internally Driven Reboiler

Processing of Natural gas, liquid recovery is a complex industrial process designed to clean the raw natural gas by separating the impurities and various non-methane hydrocarbons, which are value added chemicals need to separate out to fulfil the dry natural gas as pipeline quality to satisfy the end user requirement for their process. This step has to be carried out at an offshore plant location, where the space and sources of energy are limited which plays a vital role in the process economics. In this study considered NGL recovery in energy integrated configuration to improve the energy efficiency and process economics. Simulated the NGL recovery from pre-treated Natura gas by considering a propane C3MR cycle as a refrigerant cycle separated out of the propane, LPG and C5+ in two column distillation units represented in Aspen Hysys environment and considered this case study as a base case to analyze the explored different energy integrated configuration for NGL recovery. Explored the different energy integrated schemes to enhance the energy efficiency of the NGL recovery with compared to the conventional NGL recovery. Performed the different case studies and analyses to select the best case study based on energy efficiency and economics.