Process Diagram

Band 5+: You should spend about 20 minutes on this task. The diagram below shows how salt is removed from seawater to make it drinkable. Summarize the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

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Image for topic: You should spend about 20 minutes on this task. The diagram below shows how salt is removed from seawater to make it drinkable. Summarize the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

Our system will evaluate the answer based on this AI-generated description.

The image details a desalination process diagram: sea water intake leads to pre-treatment filter; filtered water is returned to sea; water is then forced through a high-pressure membrane; post-treatment includes lime, chlorine, fluoride; storage follows; finally, water is integrated into the supply system; inset shows molecular separation, highlighting salt, impurities, and water molecules.

Given the complexity of the image, the above description may not be entirely accurate.

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Note: Both the topic and the answer were created by one of our users.

The picture illustratestes process of producing salt from seawater, filtering the water, and making it suitable for drinking.

Overall, whole process consist of around eight stages, starting with extraction of salt water from the sea and ending with sending water to the supplies system.

The process begins when taken water from seawater send to pre-treatment filter which has two directions of water. In this stage, water which flow down is passes through filter backwash which returns water to sea. Likewise, in the next step, water flow also devide into two directions, the main direction send to post-treatment with lime chlorine and fluoride, as the second path water moves the concentrate. As well as, this stage has a construction shows salt and water separation with imprurities, also how taken salt sends back to sea.

During the next stage of process, a filtered water passes through post-treatment, and send to storage. In the last step, a purify water elapses through intergrated water supply system, and it turns out clean water.

Word Count: 168

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 14

process: 4

which: 3

stage: 3

through: 3

Try using synonyms for the above words

Task Response

The report identifies the main stages of the desalination process, but the description lacks detail and clarity. The organization could be improved by grouping similar stages together and using more precise language. The report also contains some inaccuracies and omissions. To improve, focus on providing a more comprehensive and accurate description of each stage, using clear and concise language. Also, ensure that you proofread your work carefully to correct any grammatical errors.

Coherence & Cohesion

The report attempts to describe the desalination process, but the organization and flow of information are weak. The description jumps between stages without clear transitions, making it difficult to follow the process. Paragraphing is present but doesn't effectively separate distinct stages or ideas. To improve coherence, focus on creating a logical sequence of steps and using transition words to guide the reader. For example, use phrases like 'Following this,' 'Next,' 'Subsequently,' and 'Finally' to connect the different stages of the process. Also, ensure each paragraph covers a distinct part of the process.

Lexical Resource

The vocabulary used is basic and lacks the precision needed to accurately describe the desalination process. There is some repetition of words like 'water' and 'send,' and a limited range of vocabulary related to filtration and treatment processes. To improve, try to incorporate more specific vocabulary related to the diagram, such as 'desalination,' 'membrane filtration,' 'reverse osmosis,' 'effluent,' and 'potable water.' Using a wider range of vocabulary will make the description more accurate and informative.

Grammatical Range & Accuracy

The report contains numerous grammatical errors, including incorrect verb tenses ('illustratestes,' 'taken water send'), subject-verb agreement issues ('water flow also devide'), and incorrect word usage ('intergrated'). These errors significantly impact the clarity and accuracy of the description. To improve, focus on mastering basic grammar rules, particularly verb tenses, subject-verb agreement, and correct article usage (a/an/the). Proofread carefully for errors and consider using a grammar checker to identify and correct mistakes.

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