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SRU Tail Gas Treatment: Datang International Hexigten’s Coal Gasification Plant

Project Background Information

  • Location: Inner Mongolia, China
  • Time of Completion: January, 2014
  • Claus unit capacity: 165,000 tpa

British Unit Metric Unit
Flue gas flow rate 26,033 SCFM 41,839 Nm3/hr
Flue gas temperature 329 °F 165 °C
SO2 content 4,550 PPM 13,000 mg/ Nm3

 

Performance

British Unit Metric Unit
SO2 concn in treated flue gas < 27 PPM < 80 mg/Nm3
SO2 removal efficiency ≥ 99.36%
Outlet PM content < 7.09 lb/MMSCF < 30 mg/Nm3
Ammonia Slip ≤ 2.6 PPM ≤ 2 mg/Nm3
Ammonia Recovery ≥ 99.26%
Ammonium Sulfate production 1.1 t/hr
Ammonium Sulfate grade N ≥ 20.5%, Water ≤ 1.0%, Free Acid ≤ 0.2%

 

Operating Cost Reduction: thousand $/year

Amine-Based TGTU EADS SRU Tail Gas Treatment
External ammonia
EADS SRU Tail Gas Treatment
Recovered ammonia
Operating Cost 1,791.5 1,747 1,267
Raw material & Power 1,490 1,320 840
Maintenance 177 90 90
Labor 75 150 150
Management 37.5 75 75
Sales Cost 12 112 112
Revenue from Product Sales 320 770 770
Net Operating Cost 1,471.5 977 497
Operating Cost Reduction %   33.6% 66.2%

Jiangnan Environmental Technology, Inc.

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Ridgefield Park, NJ, 07660

Contact Info

Phone: +1 (201) 641-3868
Email: sales@jet-inc.com

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