SNG Production Process Based on Hybrid Gasification

ASME 2009 Power Conference ◽

10.1115/power2009-81020 ◽

2009 ◽

Cited By ~ 1

Author(s):

Shimin Deng ◽

Rory Hynes

Keyword(s):

Production Process ◽

Thermal Performance ◽

Process Modeling ◽

Conversion Rate ◽

Exergy Analysis ◽

Specific Loss ◽

Whole Process ◽

New Process ◽

Production Technologies ◽

Critical Conversion

In this paper, SNG production technologies are investigated and summarized. A new SNG production process has been developed. It has advantages in performance, cost and operability. The performance of the new process is analyzed and compared with two existing processes — one process based on hydrogasification and one conventional SNG production process. Based on process modeling, exergy analysis is carried out to identify the specific loss of each sub-process. The thermodynamic features of the new process are investigated to show the trend of the parameters of the hybrid gasifier and the whole process. A concept of critical conversion rate is identified and defined. Key parameters of hybrid gasifier and thermal performance of the system are examined and presented. Besides thermal performance, other issues related to operation and cost are discussed.

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Evaluación de la producción de aceite crudo de palma y palmiste en el norte de Colombia mediante el análisis de exergía asistido por computador

Revista Ion Investigación Optimización y Nuevos procesos en Ingeniería ◽

10.18273/revion.v34n2-2021003 ◽

2021 ◽

Vol 34 (2) ◽

Author(s):

Kariana Moreno Sader ◽

Jeffrey León Pulido ◽

Ángel González-Delgado

Keyword(s):

Production Process ◽

Energy Use ◽

Exergy Analysis ◽

Present Report ◽

Oil Production ◽

Aspen Plus ◽

Exergy Efficiency ◽

Kernel Oil ◽

Whole Process ◽

Technological Improvements

Palm production chains in Colombia have some unsatisfied demands that affect their competitiveness. Specific demands include efficiency in energy use. Therefore, in the present report, an exergy analysis for the dual crude palm and kernel oil production process was carried out to determine the main energy sinks and suggest technological improvements that allow better use of energy. For this study, the process was initially simulated in the Aspen Plus ® software, where the chemical and physical exergies of the species and streams involved were quantified. The process irreversibilities, the exergy loss, the exergy of waste, and the exergy of utilities were calculated for each stage and the whole process. An overall exergy efficiency of 18% was achieved, while the highest process irreversibilities contribution was due to the destroyed exergy with the waste in the threshing stage. To increasing the global exergy efficiency of dual crude palm and kernel oil production, it is proposed the evaluation of palm rachis use to obtain biofuels and/or high-value products.

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Production Process Modeling and Realizing Based on Activiti

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.532.644 ◽

2014 ◽

Vol 532 ◽

pp. 644-649 ◽

Cited By ~ 2

Author(s):

Da Wei Zhang ◽

Rui Yuan Zhang ◽

Hong Wei Ma ◽

Xian Gang Cao

Keyword(s):

Production Process ◽

Process Modeling ◽

Manufacturing Process ◽

Process Model ◽

Process Management ◽

System Modeling ◽

Workflow Engine ◽

Test Validation ◽

Whole Process ◽

Manufacturing Process Management

In a view of the problem of traditional workflow in the manufacturing process management, such as low utilization, complex modeling and difficulty of combing system, modeling based on the commonness of manufacturing enterprise production process, in combination with Activiti workflow engine characteristics, to achieve the goal of integrate process model into system quickly. The whole process, including modeling, packaging, deployment, test validation, is easy to be modified and published quickly. Experimental results show that the Activiti modeling method has the characteristics of flexible, simple and diverse, greatly improvement of the utilization of production process model and the efficiency of modeling.

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