An Environmentally Benign. IGCC for Power generation. &. Energy Efficient Technology. By Dr. D.N. Reddy, Director
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Energy Efficient Technology
Dr. D.N. Reddy, Director
Er. K. Basu, Adviser Dr. V.K. Sethi, Research AdviserCentre for Energy Technology, University College of Engineering (Autonomous) Osmania University, Hyderabad – 500 007, India.
7.1%, 20% and 16%, respectively, of the corresponding emissions from PC plant.
hot gas clean ups and system optimization and
to establish reliability and performance.
VISION 2020 an intermediate scale of about 100 MW to address the issues such as:
Gasification using + fluidized bed, moving bed or Entrant bed Gasifiers
In-combustion Clean-up Fluidized bed combustion (CFBC, PFBC, AFBC)
Post combustion Clean-up-Desulfurization(FGC systems) Supercritical
Pre combustion Clean-up beneficiation/washing
CLEAN COAL TECHNOLOGIES
Technologies for utilization of Coal for Power Generation with minimal pollutants discharged to the atmosphere (Reduced CO2, Sox, Nox, SPM) at high conversion efficiency……….W.C.I.
Schematic Layout of the an intermediate scale of about 100 MW to address the issues such as:
Integrated Gasification Combined Cycle
Flue Gas to Stack
Comparison of various Power Plants an intermediate scale of about 100 MW to address the issues such as:
* High efficiency coupled with low emission (SPM: 7%,
Sox:16%, Nox:21% of corresponding PC Plant)
** For Indigenous Units through systematic transfer of Technology
Identified R&D Areas are: an intermediate scale of about 100 MW to address the issues such as:
The fluidised bed process has many technical and environmental advantages over the moving bed process, such as,
In a Raw Pet-Coke and refinery residue based IGCC Plant
In a Coal/Lignite based IGCC Plant
Typical results of the velocity of TOT are : - about 2% higher than that of coal based IGCC unit.
(With year 2000 as base)
Normal pace ---- 5 years
Accelerated ---- 2 years
Normal pace ---- 7 years
Accelerated ---- 5 years
( Fig 4)
Fig. 1 about 2% higher than that of coal based IGCC unit.
Fig. 2 about 2% higher than that of coal based IGCC unit.
Fig. 3 about 2% higher than that of coal based IGCC unit.
Fig. 4 about 2% higher than that of coal based IGCC unit.
o about 2% higher than that of coal based IGCC unit.
Super Critical PC Power Plant (15 C Amb.)
Super Critical PC Power Plant (Indian Condition)
IGCC (15 C Amb)
IGCC (Indian Condition)
Sub Critical PC Power Plant (Indian Condition)
Net Thermal Efficiency (%)
Year of commercial use
Fig.5 EFFICIENCY IMPROVEMENT FORECAST
CONVENTIONAL Vs IGCC