Process Diagram

Band 5+: The diagram below shows how ethanol fuel is produced from corn

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Image for topic: The diagram below shows how ethanol fuel is produced from corn

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The image consists of a circular diagram with eight stages showing the ethanol production process from corn. The stages are numbered from 1 to 8, starting with corn, then moving to storing, milling, cooking with water for 4 hours, fermenting for 48 hours, separating liquid from solid by-product, purifying ethanol for 5 hours, and ending with storing and gas station. Each stage is represented by a line drawing of the respective process or machinery involved.

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

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To obtain ethanol derived from corn, corn should be acquired firstly. The corns are stored in a cool and shady room, making the corns ready in order for the second process’ output richer than what it would be when it is not stored correctly as explained.

After the corns are taken out of their storage room, they are ready for milling. Milling, on average, takes about five hours for the corns to be fully crushed and made into a granulated paste. This process helps the molecules to break down faster than when they are cooked right when they are out of the storage room.

When the five hour long crushing process is over, the granulated corn paste is getting cooked with added water in high heat. However, this step is one of the most difficult parts of the corn to ethanol journey since it literally is the main reason the next step starts, which is fermenting.

The cooked paste is now a porridge, ready to be fermented for 48 hours. Unlike the previous step, this step requires only for the corn porridge to be left alone without any sunlight and in standard conditions.

Word Count: 193

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Overall Band Score

5.5

(+/- 0.5)

Vocabulary Complexity:
B1 - Intermediate
Using more sophisticated words could be beneficial.

Grammar Mistakes: N/A

Vocabulary Repetition:

corns: 4

ready: 3

paste: 3

cooked: 3

Try using synonyms for the above words

Task Response

The report attempts to describe the process of ethanol production from corn, but it only covers the first four stages in detail. The description includes some irrelevant information and personal interpretations, such as the reasons behind storing and milling, which detract from the overall task achievement. The report lacks a clear overview and fails to mention the remaining stages of the process, resulting in an incomplete and somewhat inaccurate representation of the diagram. To improve, focus on providing a comprehensive and objective description of all stages in the process, avoiding unnecessary details and personal opinions.

Coherence & Cohesion

The report demonstrates some coherence, but the flow of information is not always smooth. The connections between stages could be clearer, and the use of cohesive devices is somewhat limited. Paragraphing is present but could be improved to better reflect the different stages of the process. Consider using more varied linking words and phrases to enhance the overall coherence.

Lexical Resource

The report uses a range of vocabulary relevant to the topic, but there are instances where the word choice could be more precise. For example, using more specific terms related to the ethanol production process would enhance the lexical resource. While the vocabulary is generally appropriate, there's room for improvement in using more sophisticated and varied language. Boost vocabulary complexity to elevate the overall score.

Grammatical Range & Accuracy

The report exhibits a mix of simple and complex sentence structures, but grammatical errors are noticeable and impact clarity. There are issues with verb tense consistency, subject-verb agreement, and article usage. While the report conveys the main points, improving grammatical accuracy would significantly enhance its overall quality. Focus on proofreading to identify and correct these errors.

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