Process Diagram

Band 6+: the diagram show the process of water treatment, Summarise the information by selecting and reporting the main features

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Image for topic: the diagram show the process of water treatment, Summarise the information by selecting and reporting the main features

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The image depicts the water treatment process beginning at 1: Intake Screens, followed by 2: Pumps directing water towards 3: Flash Mix using polyaluminum chloride and added coagulants, progressing to 4: Flocculation where suspended particles aggregate, then moving to 5: Settling Basin where particles settle, continuing to 6: Chlorine addition to ensure disinfection, passing through 7: Filter Membrane for further purification, encountering 8: Disinfection employing chlorine, lime as sodium hydroxide, and fluoride, moved by 9: Pump to reach 10: Faucet, completing the water treatment process.

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

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The diagram illustrates the process of the water treatment, which transforms natural dirty water into clean safe drinking water. The process consists of 10 stages, starts from water intake by intake screens and ends with home delivery by faucet.

At the beginning, water passes intake screens to remove large pieces of garbage, and then it transports by plumbs. Next step is a flash mix where chemicals as ” polyaluminium chloride and oxidants” are added. That mix then enters to flocculation stage. Than water with other elements passes setting basin, where sediments settle the bottom. This is only half of the water’s way.

Next- chlorine adds to water to kill bacteria as at the pool or aquapark. It then enters to filter membrane to remove extra elements and to leave just water. At disinfection stage water becomes safe to drink, without hazardous chemical materials. Finaly, after pumping water reaches faucets ready to use.

Therefore, we can make a conclusion: water from natural sources, passes several processes to become suitable for domestic use.

Word Count: 171

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Overall Band Score

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

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 11

intake: 3

passes: 3

Try using synonyms for the above words

Task Response

The report covers the main stages of the water treatment process, providing a reasonable overview. However, there's room for improvement in terms of detail and accuracy. For example, mentioning specific purposes of each stage more clearly would enhance the description. Also, the organization could be improved by grouping related stages together more effectively. To improve, focus on providing more specific details about each stage of the process and ensuring the information is accurate.

Coherence & Cohesion

The report provides a general overview of the water treatment process, but the organization could be improved. The flow of information is somewhat disjointed, and transitions between stages could be smoother. Consider using more cohesive devices to link ideas and ensure a logical progression throughout the description. For example, using phrases like 'Following this,' 'Subsequently,' or 'As a result' can enhance the flow. The paragraphing is acceptable but could be refined to better group related stages of the process.

Lexical Resource

The vocabulary used is generally appropriate for the task, but there's room for improvement in terms of precision and variety. Some phrases are a bit vague (e.g., 'other elements,' 'extra elements'). Try to use more specific terms related to water treatment. While the report avoids significant errors in word choice, expanding the range of vocabulary would enhance the description. For instance, instead of 'transports by plumbs,' consider 'pumped through pipes.'

Grammatical Range & Accuracy

The report contains several grammatical errors that affect clarity. Errors include incorrect verb forms ('water passes,' 'chlorine adds'), misuse of articles ('the water treatment'), and awkward phrasing ('transports by plumbs'). While the overall meaning is usually clear, these errors detract from the report's professionalism. Focus on improving subject-verb agreement, article usage, and sentence structure. Proofreading carefully for these common errors can significantly improve the report's accuracy.

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