Abstract
Current world energy consumption is likely to increase over time. This is due to the growth of industry and transportation. The most important and most used energy sources are crude oil and natural gas. The consumption of energy is increasing continuously due to the economic expansion of the world fleet. At present, prices of primary energy sources such as oil and natural gas tend to increase. In addition, oil and gas are limited and likely to run out in the future. Currently, research and research on alternative energy is ongoing. To find the best alternative energy to replace in the future. Dimethyl ether is a substance that can be used as a substitute for liquefied petroleum gas (LPG) because of its similar physical properties. Most of them are used as fuel in vehicles. In addition, dimethyl ether is easier to liquefy than liquefied petroleum gas, giving advantages in terms of storage and transport, and a higher cetane value that can be used in the vehicle. Dimethyl ether is a substance that will burn completely. Dimethyl ether production has a wide variety of options. If the best option is difficult to analyse because of the complexity of the solution. Superstructure analysis will help to find alternatives for the production of dimethyl ether. Superstructure will identify the most economical alternative. The mathematical model is applied to the existing production process and new alternatives. In this work, the alternatives to produce dimethyl ether are displayed and the optimum alternative are chosen.
Highlights
Current world energy consumption is likely to increase over time due to the growth of industry and transportation
Dimethyl ether (DME) is a substance that can be used as a liquefied petroleum gas (LPG) substitute because of their similar physical properties
Single reactive distillation operation has been chosen as the optimum production pathway for the dehydrogenation of DME, displayed as greyed box in fig. 4
Summary
Current world energy consumption is likely to increase over time due to the growth of industry and transportation. Prices of primary energy sources such as oil and gas are in an increasing trend. Oil and gas are non-renewable and likely to run out in the near future. Dimethyl ether (DME) is a substance that can be used as a liquefied petroleum gas (LPG) substitute because of their similar physical properties. DME is easier to liquefy than the LPG, giving advantages in terms of storage and transportation; it has higher cetane value and smaller molecule which will be completely burnt benefitting the vehicle usage. It can be said that DME is a clean alternative energy that is ideal for vehicle usage. Due to the complexity of the synthesis and design of the process, the optimum processing pathway is hardly accomplished
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