Process Diagram

Band 5+: The diagram below shows how energy is produced from coal.

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The image is a diagram illustrating the process of how energy is produced from coal. The process starts with coal being transported by a truck, then goes to the furnace where it is mixed with oxygen. Flue gases and hot exhaust gases are produced, which lead to a heat recovery steam generator. Steam is created and goes to a steam turbine that powers a generator to produce electricity. In the purification phase, raw syngas is produced, which undergoes removal of CO2, mercury, and sulfur to create purified syngas. Slag is a byproduct of this process. Gas turbine is also part of the process to generate electricity.

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

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The diagram depicts how energy prodused from coal

Overall,its apparently seen that there are twelve stages of producing electricity,from transporting the coal with truck to generating an electricity.

The inital stages of the process,the coal is transportated with truck and it involved to furnace by tube afterwards, the coal is heated with oxygen.Also,there is additional product of this machine is slag.Slag is a by-product that is come out through another side of the furnase.The raw syngas is goes in two different ways.Firstly the impure syngas is moves to the removal stage which it removes its harmful elements such as;carbon dioxide,mercury,sulfur while purified syngas goes through the gas turbine to generator, to produce the electricity.

In the following phase,from the gas turbine,hot exhaust fumes is sent to the heat recovery steam generator and the flue gases are released from its chimney.At the final stage,the steam enters to the steam turbine to drive the generator,resulting the generated electruicity transffered to the energy transmittion tower.

Word Count: 162

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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:

syngas: 3

steam: 3

Try using synonyms for the above words

Task Response

The report adequately covers the process of energy production from coal, addressing the key stages and components. However, there are some areas for improvement. The organization is generally clear, but could benefit from more precise language and transitions to enhance coherence. While the main stages are identified, the description of some steps could be more detailed. To improve, focus on using more precise vocabulary related to the diagram and ensuring a smoother flow between the different stages of the process.

Coherence & Cohesion

The report's organization is somewhat clear, but the flow of information is disrupted by grammatical errors and awkward phrasing. Transitions between stages are not always smooth, making it difficult to follow the process effortlessly. Paragraphing could be improved to better group related steps together. For example, the description of the initial stages could be more concise and focused.

Lexical Resource

The vocabulary used is basic and lacks the precision needed to accurately describe the process. There is some repetition of words and phrases, and a limited range of vocabulary is used. To improve, try to incorporate more specific and technical terms related to energy production and chemical processes. For example, instead of 'harmful elements,' you could use 'pollutants' or 'contaminants.'

Grammatical Range & Accuracy

The report contains numerous grammatical errors, including incorrect verb tenses ('prodused,' 'transportated,' 'is goes'), subject-verb agreement issues, and incorrect use of articles and prepositions. Sentence structure is often awkward and unclear. To improve, focus on mastering basic grammar rules and sentence structures. Practice writing simple sentences and gradually increase complexity as your accuracy improves. Proofread carefully for errors in verb tense, subject-verb agreement, and article usage.

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