IELTS Writing Task 1 Sample Answers: Recycling Glass Bottles

In IELTS Academic Writing Task 1, candidates may be asked to describe a process diagram, showing how something works or changes over time, for example, the recycling process of glass bottles.

To score well, it’s important to understand the structure, use precise vocabulary, and clearly explain each stage. This blog provides three sample answers, Band 7, Band 8, and Band 9, for the IELTS Writing Task 1: Recycling Process of Wasted Glass Bottles, helping you identify differences in performance and improve your writing.

Question

• You should spend about 20 minutes on this task.
• The picture below shows the recycling process of wasted glass bottles. Summarise the information by selecting and reporting the main features, and make a comparison where relevant.
• Write at least 150 words.

Structural Breakdown

• Introduction
  Introduce the process diagram briefly. Paraphrase the question.
• Overview
  Give a brief overview of the process in two or three sentences. Example: The diagram shows different stages in the recycling of waste glass bottles.
• Body Paragraph 1
  Explain the initial stages of the process in detail. Use relevant connectors and sequence words to connect steps and stages.
• Body Paragraph 2
  Provide factual detail about inputs, outputs, equipment used, and changes that occur. Use passive voice and technical/specialized vocabulary.

Note: The overview paragraph can be merged with the introduction. Make sure to use relevant IELTS Writing Task 1 connectors.

Recycling Process of Wasted Glass Bottles – Sample Answer 1

The diagram illustrates numerous stages in the recycling of waste glass bottles.

There are three key stages shown in the diagram, beginning with the collection of used glass bottles and ending with the delivery of new bottles to retail outlets, such as supermarkets.

In the first stage, waste bottles are deposited at collection points, where they are loaded onto trucks for delivery to a glass recycling facility. The second stage begins with cleaning the bottles using high-pressure water, after which they are separated into clear, green, and brown glass. These are then crushed into pieces and passed through a furnace, where they are heated to temperatures between 600°C and 800°C. The recycled glass is transformed into molten form and mixed with new liquid glass, ready for molding into new bottles.

In the final stage, the new bottles are filled with beverages and distributed to supermarkets, completing the recycling cycle.

Recycling Process of Wasted Glass Bottles – Sample Answer 2

The diagram illustrates the step-by-step recycling process of glass bottles, beginning with collection and ending with the reuse of the bottles. Overall, the process involves three main stages: preparation, processing, and reproduction.

In the first stage, wasted glass bottles are gathered at collection points and transported to a recycling plant. At the plant, they are washed thoroughly using high-pressure water to remove impurities. Next, the bottles are sorted into three categories based on color: brown, green, and clear. In the second stage, the sorted bottles are crushed into small fragments and heated in a furnace at 600°C to 800°C. The molten glass is combined with other raw materials to form new liquid glass.

In the final stage, the liquid glass is poured into molds to form new bottles. These bottles are then filled, packaged, and delivered to supermarkets, ready for sale. This process effectively reduces waste and ensures sustainable reuse of materials.

Recycling Process of Wasted Glass Bottles – Sample Answer 3

The diagram depicts the recycling process of glass bottles, showing how discarded bottles are collected, processed, and transformed into new bottles ready for reuse. The procedure is divided into three main stages: collection, processing, and reproduction.

Initially, used bottles are deposited at collection points and transported by specialized vehicles to a recycling plant. Here, the bottles undergo a thorough cleaning process using high-pressure water to remove dirt and contaminants. Following this, they are sorted by color into brown, green, and clear categories.

Next, the sorted bottles are crushed into smaller fragments, which are melted in a furnace at temperatures ranging from 600°C to 800°C. The molten glass is blended with raw materials to produce new liquid glass.

Finally, the liquid glass is shaped into new bottles using molds. These bottles are then filled, transported to supermarkets, and made available for sale, completing the recycling cycle. To conclude, this efficient process highlights the importance of recycling in minimizing waste, conserving resources, and promoting sustainable manufacturing practices.

Recycling Process of Wasted Glass Bottles – IELTS Vocabulary

• Deposit – to leave or put something in a particular place
  Example: Bottles are deposited at collection points for recycling.
• Collection point – a place where items are gathered
  Example: Waste glass is taken to collection points before processing.
• High-pressure – water or air that comes out with strong force
  Example: Bottles are cleaned using high-pressure water.
• Impurities – unwanted substances or dirt
  Example: The cleaning process removes impurities from the glass.
• Sort / Sorting – to arrange into categories
  Example: Glass bottles are sorted by color: brown, green, and clear.
• Crush – to break into small pieces
  Example: Bottles are crushed into fragments before melting.
• Furnace – a very hot oven or machine used to melt materials
  Example: The crushed glass is heated in a furnace at 600–800°C.

This blog provides 3 Band 9 sample answers for the Recycling Process of Wasted Glass Bottles, along with useful vocabulary to help you describe each stage clearly and boost your IELTS Writing Task 1 score.

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