Process Diagram

Band 7+: The diagram below shows how ethanol is produced from corn ..

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

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The image shows a diagram of eight steps in ethanol fuel production from corn, starting with corn, storing, milling, cooking (4 hours), fermenting (48 hours), separating liquid and solid by-product, purifying ethanol (5 hours), and storing to the gas station.

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

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The picture details the linear process of producing ethanol from corn.

Overall, the process encompasses eight steps, starting with corn harvesting and culminating in the storage and transportation of ethanol. Notably, the majority of steps are carried out manually with the assistance of some traditional tools.

The process begins with the storage of yielded maize being placed in a designated area before entering the processing stage. Once milled by a machine, corn is progressively cooked with water, this step lasts for 4 hours before proceeding to the next.

Having undergone the cooking step, the mixture is separated into liquid and solid by-products, preparing for the transformation into ethanol . This substance then experiences the purification step to extract ethanol in a specific area, taking 5 hours of processing. Thereafter, trucks will facilitate the storage of the desired products and transport them to gas stations to accommodate the demands of daily commute.

Word Count: 151

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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:

ethanol: 4

process: 3

storage: 3

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Task Response

The report adequately covers the main stages of ethanol production from corn, presenting a clear overview of the process. However, there's room for improvement in providing more specific details about each stage and enhancing the overall structure for better flow and coherence. Consider elaborating on the transformations occurring at each step and using more precise language to describe the equipment and processes involved.

Coherence & Cohesion

The report presents a clear overview of the ethanol production process. The progression of steps is easy to follow, and the paragraphing is logical. However, transitions between some sentences could be smoother to enhance the overall flow. For example, in the third paragraph, connecting the milling and cooking stages with a more explicit transition would improve coherence.

Lexical Resource

The report demonstrates a good range of vocabulary related to the production process. Terms like 'milled,' 'fermenting,' 'purification,' and 'by-products' are used appropriately. To further enhance the lexical resource, consider incorporating more specific vocabulary related to industrial processes or alternative ways to describe the transformations occurring at each stage.

Grammatical Range & Accuracy

The report exhibits a good command of grammar with only minor errors. The sentence structures are varied, and the tense usage is generally accurate. To improve further, pay attention to subject-verb agreement and article usage. For instance, in the sentence 'Once milled by a machine, corn is progressively cooked with water,' ensure that the phrasing is as precise and grammatically sound as possible.

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The diagram below shows how ethanol is produced from corn ..

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