The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
IELTS Writing Task Chart for The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The process diagram illustrates how
ethanol
Use synonyms
, which is a biofuel, is manufactured through a long process.
Overall
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,
this
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is a cyclical process consisting of ten main steps.
Initially
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,
carbon
Use synonyms
dioxide
Use synonyms
from the atmosphere is used by trees as an energy source,
while
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in the final stage, vehicles release
carbon
Use synonyms
dioxide
Use synonyms
back into the environment as a by-product.
At the first stage
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, crops are harvested once the plants are fully grown.
Then
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, the processed crops are combined with cellulose and sugars in the laboratory.
Subsequently
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,
ethanol
Use synonyms
is produced using these raw materials.
Finally
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, when vehicles use
ethanol
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as fuel, they release
carbon
Use synonyms
dioxide
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into the atmosphere.
Therefore
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,
this
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carbon
Use synonyms
dioxide
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is reused by trees as an energy source. Several stages require laboratory equipment.
In particular
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, cellulose, sugars and microbes are added during the processing stage, and these materials are essential for producing
ethanol
Use synonyms
.

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Common mistake: Your writing should be 150-250 words.
Basic structure: Change the third paragraph.
Basic structure: Change the fourth paragraph.
Vocabulary: Replace the words ethanol, carbon, dioxide with synonyms.
Vocabulary: Only 2 basic words for charts were used.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
Vocabulary: Use several vocabularies to present the data in the third paragraph.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
Topic Vocabulary:
  • procurement
  • raw materials
  • milled
  • surface area
  • fermentable substance
  • enzymes
  • yeast
  • fermentation
  • byproducts
  • isolate
  • purified
  • distillation
  • concentration
  • containers
  • distribution
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