The diagram below shows how salt is removed from sea water to make it drinkable.

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IELTS Writing Task Chart for The diagram below shows how salt is removed from sea water to make it drinkable.

The diagram illustrates the process of desalinating

seawater

Use synonyms

, showing how salt and other impurities are removed to produce potable

water

Use synonyms

for an integrated

water

Use synonyms

supply system.

Overall

Linking Words

, it is a linear process consisting of several stages, beginning with the intake of

seawater

Use synonyms

and ending with the storage and distribution of treated

water

Use synonyms

. During the process, waste products, including filter backwash and concentrated

seawater

Use synonyms

, are discharged back into the

sea

Use synonyms

Initially

Linking Words

seawater

Use synonyms

is drawn from the

sea

Use synonyms

and passed through a pre-treatment filter, where some impurities are removed. The resulting filter backwash is

subsequently

Linking Words

returned to the

sea

Use synonyms

. The partially treated

water

Use synonyms

then

Linking Words

enters a membrane unit, where it is forced through the membrane under high pressure.

This

Linking Words

stage separates the

water

Use synonyms

molecules from salt and other impurities

: the

Punctuation problem

. The

show examples

purified

water

Use synonyms

passes through the membrane,

while

Linking Words

the concentrated

seawater

Use synonyms

is discharged back into the

sea

Use synonyms

. The purified

water

Use synonyms

then

Linking Words

undergoes post-treatment, during which lime, chlorine and fluoride are added. Once

this

Linking Words

treatment has been completed, the potable

water

Use synonyms

is transferred to a storage facility.

Finally

Linking Words

, it is conveyed from storage to the integrated

water

Use synonyms

supply system, from where it can be distributed for domestic consumption.

m.hadavi20

Sep 9, 2026

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Conclusion: The conclusion is too long.

Basic structure: Change the third paragraph.

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Basic structure: Change the fourth paragraph.

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Vocabulary: Replace the words seawater, water, sea with synonyms.

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Vocabulary: Rephrase the word "undefined" in your introduction.

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Vocabulary: Only 2 basic words for charts were used.

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Vocabulary: Use several vocabularies to present the data in the second paragraph.

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Vocabulary: Use several vocabularies to present the data in the third paragraph.

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Vocabulary: Use several vocabularies to present the data in the fourth paragraph.

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7
Linking words
meeting the goal of 7 or more
3
Word repetition
meeting the goal of 3 or fewer
1
Grammar mistakes
detected issues

0123456789.0505

Overall Band Score

Coherence and Cohesion: 8.0

Logical structure

Single idea per paragraph

Introduction & conclusion present

Accurate linking words

Variety in linking words

Lexical resource: 4.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 8.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 4.0

Complete response

Suitable writing tone

Appropriate word count

4 paragraphs

194 words

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The diagram below shows how salt is removed from sea water to make it drinkable.

You are interested in attending a training course abroad but require financial support to do so. Write a letter to the education department requesting financial assistance.