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Process Diagram

Band 7+: The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

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The image presents a biodiesel production cycle starting with oil crops leading to seed extraction, converting into crude vegetable oil, followed by refining into refined vegetable oil, then mixing with alcohol plus catalyst, resulting in biodiesel and glycerol + catalyst for food and cosmetic industries, concluding with the biodiesel cycle returning CO2 to oil crops via photosynthesis with sunlight energy.

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

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The exhibited illustration demonstrates the cycle of manufacturing biodiesel.

Overall, there are eight primary stages to produce biodiesel, commencing with the photosynthesis of oil crops and culminating in the release of carbon dioxide into the atmosphere.

At the beginning of the process, oil crops absorb sunlight and carbon dioxide to carry out photosynthesis, allowing them to produce seeds. Then, these seeds are extracted to produce crude vegetable oil before undergoing the refining process.

In the subsequent stage, refined vegetable oil is projected to undergo transesterification with an added alcohol, obtaining a glycerol solution and biodiesel. While glycerol is used in food, industry, and cosmetics, biodiesel is used in different types of vehicles. Finally, the biodiesel is then burned, and carbon dioxide is released into the atmosphere, renewing the cycle.

Word Count: 129

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Overall Band Score

7.5

(+/- 0.5)

Vocabulary Complexity:
C2 - Complex
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Grammar Mistakes: N/A

Vocabulary Repetition:

biodiesel: 4

produce: 3

carbon: 3

dioxide: 3

Try using synonyms for the above words

Task Response

The report adequately describes the biodiesel production cycle, covering the main stages from oil crops to the release of carbon dioxide. However, there's room for improvement in providing more specific details about each stage and enhancing the overall structure for clarity. To improve, consider adding more precise information about the refining and transesterification processes, and ensure a clear, logical flow throughout the description. The report falls short of the required 150 words.

Coherence & Cohesion

The report is very easy to follow, with a clear and logical progression of ideas. The use of cohesive devices is natural and effective, contributing to the overall flow of the text. Paragraphing is well-managed, enhancing readability.

Lexical Resource

The report demonstrates a wide range of vocabulary used accurately and appropriately. The language is natural and sophisticated, showcasing excellent control of lexical features. There is effective use of vocabulary related to the process description.

Grammatical Range & Accuracy

The report exhibits a wide range of grammatical structures with full flexibility and control. Grammar and punctuation are used correctly and appropriately throughout the report. The absence of grammatical errors significantly enhances the clarity and credibility of the writing.

Answers On The Same Topic:

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

This diagram illustrates the production of biodiesel across different stages.Overall, the first production stage begins from energy consumption through photosynthesis . The process of photosynthesis involes the use of sunlight and carbon dioxide then to production of seed oil. Then, the extraction of crude vegetable oil from seeds and the process of refining takes place […]

Band 4+

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the process of producing biodiesel from oil crops and shows how it forms a continuous cycle. Overall, biodiesel production involves several stages, beginning with plant growth and ending with fuel consumption, after which carbon dioxide is recycled back into the system. Notably, the process is cyclical because the emissions produced during combustion […]

Band 9

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The given image demonstrates how biodiesel is made and used. Overall,there are seven major steps required to produce biodiesel, commencing with the photosynthesis and ending with releasing the carbon dioxide into the atmosphere. At the beginning of the process, oil crops absorb CO2 and sunlight to start the photosynthesis process, taking energy to produce the […]

Band 6+

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The exhibited illustration demonstrates the cycle of manufacturing biodiesel. Overall, there are eight primary stages to produce biodiesel, commencing with the photosynthesis of oil crops and culminating with the emission of carbon dioxide back into the atmosphere. At the beginning of the process, oil crops absorb sunlight and carbon dioxide to facilitate photosynthesis, which generates […]

Band 9

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Band 7+: The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

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Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how biodiesel is produced. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

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