Experimental study and model simulation of a two-stage continuous polymerization process for polystyrene

1996 ◽  
Vol 13 (1) ◽  
pp. 88-96 ◽  
Author(s):  
Won Jung Yoon
Keyword(s):  
Experimental Study ◽  
Model Simulation ◽  
Polymerization Process ◽  
Two Stage ◽  
Continuous Polymerization

scholarly journals Experimental study on a dredged fill ground improved by a two-stage vacuum preloading method

2018 ◽  
Vol 58 (3) ◽  
pp. 766-775 ◽  
Author(s):  
Jun Wang ◽  
Yuanqiang Cai ◽  
Hongtao Fu ◽  
Xiuqing Hu ◽  
Ying Cai ◽  
...  
Keyword(s):  
Experimental Study ◽  
Two Stage ◽  
Vacuum Preloading ◽  
Preloading Method

scholarly journals Experimental Study on Coal Gasification in a Full-Scale Two-Stage Entrained-Flow Gasifier

Energies ◽  
2020 ◽  
Vol 13 (18) ◽  
pp. 4937
Author(s):  
Guangyu Li ◽  
Luping Wang ◽  
Chaowei Wang ◽  
Chang’an Wang ◽  
Ping Wu ◽  
...  
Keyword(s):  
Experimental Study ◽  
Coal Gasification ◽  
Full Scale ◽  
Input Rate ◽  
Two Stage ◽  
Entrained Flow ◽  
Operation Period ◽  
Entrained Flow Gasifier ◽  
Coal Resource ◽  
First Time

In this paper, coal gasification characteristics in the reductor were investigated in a full-scale two-stage pressurized entrained-flow gasifier, which has been seldom conducted previously. The present study aimed at elucidating the effects of gasifying agent concentration, coal input rate, and operation period under full reductor load on the performance of a utility two-stage pressurized entrained-flow gasifier for the first time. When the steam input in the combustor was raised from 3318 kg/h to 5722 kg/h, the total outputs of H2, CO, and CO2 were increased by 1765 Nm3/h and 2063 Nm3/h, respectively, while the CH4 output was decreased by 49 Nm3/h. The coal conversion rate was minimal at low steam input. In addition, more coal gasified in the reductor could increase the output of CH4, while CH4 could reach 1.24% with the coal input in the range of 8000–10,000 kg/h. The present work can offer a further understanding of the gasification performance in the reductor of the full-scale two-stage pressurized entrained-flow gasifier, and motivates the potential for clean utilization of coal resource.

Experimental study of ion beamlet steering by aperture displacement in two‐stage accelerator

1980 ◽  
Vol 51 (4) ◽  
pp. 471-473 ◽  
Author(s):  
Y. Okumura ◽  
Y. Mizutani ◽  
Y. Ohara
Keyword(s):  
Experimental Study ◽  
Two Stage
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