Exergy analysis is important and has been widely used to evaluate the thermodynamic efficiency of a variety of processes. Therefore, there is a need to develop a tool for monitoring exergy of a process in real-time and for studying the effects of various feed, equipment, process and environmental changes. The ultimate aim of this work is to develop a tool to enable dynamic and online exergy ana...

Use of amine solutions for the removal of acid gases such as carbon dioxide (CO2) and hydrogen sulfide (H2S) from natural gas is the most common method, and, in this process, operational problems because of foaming are reported. Foaming can lead to the entrainment of liquid into downstream process equipment and might result in a situation in which the process specification...

carbon capture and storage (ccs) systems have relevant energy consumption associated with the co2 capture process. it causes an energy efficiency reduction that diminishes the economic interests and increases the technical uncertainty of these systems. with the objective of improving the system perform-ance and reducing thermodynamic inefficiencies, the exergy analysis has been traditionally ap...

As microelectronics device feature sizes continue to shrink and wafers continue to increase in size, it is necessary to have tighter tolerances during the fabrication process to maintain high yields. Feedback control has, therefore, become an important issue in plasma processing equipment design. Comprehensive plasma equipment models linked to control algorithms would greatly aid in the investi...

Monitored and diagnosed the machinery equipment by the fault diagnosis technology can find machine malfunctions in time and prevent the equipment’s worst accident from occurring, so that it can avoid casualties, environmental pollution and enormous economic losses. Applied the fault diagnosis technology can find the potential causes in the process of producing equipment, so that eliminate poten...

Automatic equipment for cigarette sorting and stacking is applied to a recycling process of tobacco in cigarette factory. It takes the place of manual work, such as sorting and stacking cigarettes to transfer boxes. The equipment realizes the functions such as orientation, sorting, steering, and stacking of the cigarettes in proper order. Omron CP1H type PLC is selected as the control center of...

To increase the cost effectiveness of the component assembly process, it is first necessary to be able to determine the cost of the existing process and provide a mathematical model that can be used to predict the outcome of changing the process or the effectiveness of purchasing new equipment. The mathematical model presented here is based on the SEMI E35 standard for calculating the cost of o...

In this study, an integrated structure of the air separation unit, natural gas liquids recovery equipped with nitrogen removal unit is developed. In this regard, advanced exergy and exergoeconomic analyses are used to examine the irreversibility, possible improvements and the cost of the inefficiencies of the process. The exergy analysis presents information on the origin of the irreversibility...