The image shows the process of treating waste water at a plant before releasing it into a river. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

Part 1 (Academic)
5.5

Sample Essay with Corrections

The diagram showingillustrates the wastewater treatment plant, there arewhich involves several steps involved, to clean the water, before releasing it into the river. In the first step, the wastewater thru thepasses through a screen to remove floating or biglarge debris. Then, it pasgoes thru grit to removough a grit chamber to eliminate smaller particles like sand and stones etc. After that, the water goes intoenters the primary settling tank, where solids settles at the bottom of the tank, and they thenare subsequently removed by a scraper. In the next step, the water moves on to the aeration tank and, where air is pumped, into the water to help bacteria to grows and break down organic matters. From there, the water goes toproceeds to the secondary settling thank, where again, solid matters settles at the bottom and areis removed. The final steps is to chlorinate the water for disinfection, before releasing it into the nearby river. Overall, these processes helps to cleans the wastewatter so that it is safe to release back into the river. Without these processes, the rivers would quickly becomes polluted and harmfull for to the environment. It' is an importeant proccess that needs to be donecarried out to keeping rivers clean.
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Expert Feedback

The essay demonstrates a clear understanding of the wastewater treatment process and outlines the main steps involved effectively. Key strengths include a logical structure and the use of relevant vocabulary related to the topic. However, critical areas for improvement include grammatical accuracy, particularly with subject-verb agreement and word forms, as well as enhancing coherence through better transitions and cohesive devices. Structural changes made include correcting awkward phrases and ensuring proper subject-verb agreement, which improved clarity. Suggestions for further improvements not implemented in the corrected version include incorporating more specific details about each stage and avoiding repetition of terms. The tone used is appropriate for an academic task, maintaining a formal and informative style.

Detailed Scores

Coherence And Cohesion
The essay has a logical structure, but the flow of ideas could be improved. Some sentences are awkwardly constructed, which affects clarity. For instance, phrases like 'the final steps is to chlorinate the water' should be corrected to 'the final step is to chlorinate the water.' Using more cohesive devices, such as 'subsequently' or 'following this,' would enhance the overall coherence.
5.5
Grammatical Range And Accuracy
The writing contains several grammatical errors, including subject-verb agreement issues ('air is pumped, into the water to help bacteria to grows') and incorrect word forms ('importent' should be 'important'). While the writer demonstrates some range in sentence structures, the frequency of errors detracts from the overall clarity and accuracy. To improve, the writer should focus on proofreading for grammatical correctness.
5.0
Lexical Resource
The vocabulary used is generally appropriate for the task, but there are instances of repetition and inaccuracies, such as 'waste water' and 'debris.' The use of terms like 'aeration tank' and 'chlorinate' shows some range, but the writer could benefit from incorporating more varied vocabulary and avoiding informal phrases like 'big debris.'
6.0
Task Achievement
The response provides a general overview of the wastewater treatment process, outlining the main steps involved. However, it lacks specific details and comparisons that could enhance the summary. To improve, the writer could include more precise information about each stage and its significance, as well as a clearer conclusion that ties the information together.
6.0

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