The diagram below shows how energy is produced from coal. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how energy is produced from coal. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.
IELTS Writing Task Chart for The diagram below shows how energy is produced from coal. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.
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The graph illustrates the process of producing energy from coal and oxygen.
Overall
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, the diagram shows that by combining coal and oxygen in a furnace, we obtain either raw
syngas
Use synonyms
or slag. Using various machines, these can be converted into electricity.
First,
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after coal and oxygen react in the furnace, the output can be directed to a gas turbine, which
then
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moves to a heat recovery steam generator.
This
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setup, combined with a steam turbine and a generator, produces electricity. Alternatively, the furnace can yield raw
syngas
Use synonyms
.
This
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syngas
Use synonyms
undergoes a removal process to extract mercury and sulfur, resulting in purified
syngas
Use synonyms
. The purified
syngas
Use synonyms
can
then
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be used in the same process as slag to generate electricity.

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Common mistake: Your writing should be 150-250 words.
Basic structure: Change the fourth paragraph.
Vocabulary: Replace the words syngas with synonyms.
Vocabulary: Only 5 basic words for charts were used.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
Topic Vocabulary:
  • extraction
  • preparation plant
  • impurities
  • conveyor belt
  • turbine
  • generator
  • high-pressure steam
  • boiler
  • cooling tower
  • emissions
  • environmental impact
  • scrubbers
  • closed-loop system
  • condenser
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