Process Diagram

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.

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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 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 seeds. The next step, these seeds are extracted to produce crude vegetable oil before refining.

In the subsequent stage, refined vegetable oil undergoes a transesterification process, adding alcohol.Then, it is turned into two different products , biodiesel and glycerol. While glycerol is used in the food industry and cosmetic industry, biodiesel is the fuel of many types of vehicles or to become the energy of some machines. In the penultimate stage, the vehicles release the emission into the atmosphere, combining with the sunlight which are the main energy for the oil crops to survive, and renewing the process.

Word Count: 153

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Overall Band Score

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

Vocabulary Repetition:

biodiesel: 4

process: 4

produce: 3

energy: 3

Try using synonyms for the above words

Task Response

The report covers the main stages of biodiesel production and use, providing a reasonable summary of the information. However, there's room for improvement in terms of detail and organization. To improve, focus on providing more specific details about each stage of the process and ensure a clear, logical flow in your description. Also, consider making more explicit comparisons between the different products and their uses.

Coherence & Cohesion

The report presents a generally clear overview of the biodiesel production process. However, the organization could be improved for better flow. Consider using more cohesive devices to link ideas within and between paragraphs. For example, transitions could be smoother to guide the reader through the sequence of steps. The introduction and conclusion are basic; elaborating slightly on the significance or impact of biodiesel production could enhance the overall coherence.

Lexical Resource

The vocabulary used is adequate for describing the process, but there's room for improvement in terms of variety and precision. Using more specific terms related to chemical processes and industrial production could elevate the report. For instance, instead of 'turned into,' consider using 'transformed into' or 'converted into' for a more technical tone. Expanding the range of vocabulary would demonstrate a more sophisticated command of the language.

Grammatical Range & Accuracy

The report contains grammatical errors and phrasing issues that affect clarity. While the overall meaning is understandable, correcting these errors would significantly improve the report's quality. Focus on sentence structure, subject-verb agreement, and correct use of articles and prepositions. Reviewing and editing the report for these common errors can enhance grammatical 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.

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.

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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.

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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.

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Band 6+

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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.

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Task Response

Coherence & Cohesion

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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.

Other Topics:

The process shows how plants create food

The illustrations below show how coffee is sometimes produced. Summarise the information by selecting and reporting the main features, and making comparisons where relevant.

The diagram shows the process by which sheep embryos are cloned. Summarise the information by selecting and reporting the main features. Write at least 150 words.

The diagram below shows information about the production of sake

The present diagram depicts the various stages involved in electricity generation using tidal power in an artificial lagoon.

IELTS Process - Chocolate Production You should spend about 20 minutes on this task. The illustrations show how chocolate is produced. Summarise the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

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