A Simple System That Turns Dirty Water Into Clear Water – IELTS Writing Task 1 Academic Process Diagram

In the following blog on IELTS Writing Task 1 Academic – Process Diagram on the topic ‘A Simple System That Turns Dirty Water Into Clear Water’, we’ll delve into strategies for effectively approaching the Process Diagram question, including analyzing the visual information, structuring your response, and using appropriate vocabulary and transitions.

Whether you’re just starting your IELTS preparation or looking to refine your writing skills, this blog post will help you tackle the Process Diagram with confidence.

Check out how to solve IELTS Writing Task 1 Academic – Process Diagram!

Question

Learn more about IELTS Writing Task 1 Academic!

Answer Structure For IELTS Writing Task 1 Academic Process Diagram

By following this general structure, you can effectively describe and explain process diagrams in a clear and organized manner, ensuring that the reader understands the sequence of steps, their interconnectivity, and the final outcome.

Band 7 Sample Answer For Writing Task 1 Question – ‘A Simple System That Turns Dirty Water Into Clear Water’

The diagrams illustrate a straightforward water purification system comprising two vessels—one for filtration and the other for storage—utilizing natural materials in a layered configuration to eliminate contaminants.

The water filter assembly consists of a plastic barrel with a lid to prevent contamination during the process. The barrel’s interior is divided into three sections containing layers of sand, charcoal, and gravel. Beneath the filtration barrel is a storage drum that serves as a reservoir for the filtered water. This drum is strategically positioned to collect water exiting the filtration tank and is equipped with a tap at its base for dispensing the purified water.

The purification process commences by pouring the contaminated water into the filtration barrel, where it first encounters the sand layer. Subsequently, the water permeates through the charcoal layer, which plays a crucial role in removing dissolved impurities due to its adsorption properties. The final gravel layer not only filters out any remaining larger particles but also regulates the water flow into the storage drum. The filtered water travels from the barrel to the drum through a connecting pipe. Once in the storage drum, the water is ready for consumption and can be accessed through the tap. (199 words)

Vocabulary For Band 7 Answer

• Contaminants: Impurities or pollutants that make something impure or unclean.

• Adsorption: The process of attracting and holding molecules or particles from a gas, liquid, or dissolved solid onto the surface of a solid material.

• Permeates: To pass through or penetrate something, especially gradually or with difficulty.

• Strategically: In a way that is carefully planned to achieve a particular goal or purpose.

• Configured: Arranged or structured in a particular way.

• Commences: To begin or start something.

• Encounters: To meet or experience something, especially unexpectedly or by chance.

• Eliminates: To remove or get rid of something completely.

• Regulates: To control or maintain a particular state or condition.

• Accessed: To obtain or retrieve data or information from a particular source.

Band 8 Sample Answer For Writing Task 1 Question – ‘A Simple System That Turns Dirty Water Into Clear Water’

The given diagrams illustrate a simple yet ingenious system designed to purify water using natural filtration methods. The setup consists of two main components – a plastic filtration barrel and a storage drum positioned beneath it to collect the filtered water.

The filtration barrel is segmented internally into three distinct layers. The top layer comprises sand, which serves as the initial filter, trapping larger sediments and particulate matter as the unclean water is poured into the barrel. The middle layer is composed of charcoal, a highly effective adsorbent capable of removing dissolved impurities and improving the water’s taste and odor.

Lastly, the bottom layer consists of gravel, which not only filters out any remaining solid particles but also controls the flow rate of the water as it exits the filtration barrel. A pipe connects the bottom of the barrel to the storage drum, allowing the filtered water to flow smoothly into the reservoir. The storage drum, positioned strategically below the filtration barrel, is equipped with a tap at its base. This tap enables easy access to the purified water, making it readily available for consumption or other intended uses.

Overall, this low-cost and sustainable water filtration system effectively employs the natural properties of sand, charcoal, and gravel to remove contaminants progressively, transforming unclean water into a safe, potable resource. (218 words)

Vocabulary For Band 8 Answer

• Ingenious: Clever, original, and inventive.

• Adsorbent: A material that attracts and holds molecules or particles from a gas, liquid, or dissolved solid onto its surface.

• Sediments: Solid particles that settle at the bottom of a liquid.

• Particulate matter: A mixture of solid particles and liquid droplets found in the air or other gases.

• Impurities: Unwanted substances or contaminants that make something impure or unclean.

• Odor: A smell, especially an unpleasant one.

• Reservoir: A natural or artificial place where liquid is collected and stored.

• Potable: Safe to drink; drinkable.

• Consumption: The act of using up or ingesting something.

• Sustainable: Able to be maintained or continued at a certain rate or level.

Band 9 Sample Answer For Writing Task 1 Question – ‘A Simple System That Turns Dirty Water Into Clear Water’

The diagrams depict an ingenious yet straightforward water purification system that harnesses the intrinsic properties of natural materials to eliminate impurities and render water potable. The assembly comprises two integral components: a plastic filtration barrel and an underlying storage drum, judiciously positioned to facilitate the collection of filtered water.

The filtration barrel is a meticulously designed vessel, internally compartmentalized into three distinct layers, each serving a specific purpose in the purification process. The topmost stratum consists of sand, a granular medium that effectively captures larger particulate matter and sediments as the contaminated water is introduced into the barrel.

Subsequent to this initial filtration, the water percolates through the middle layer, comprised of charcoal, a highly porous and adsorptive material renowned for its ability to remove dissolved impurities, improving the water’s organoleptic properties, such as taste and odor. The final layer, a bed of gravel, not only acts as a polishing filter, eliminating any residual solid particles, but also regulates the water’s flow rate as it exits the filtration barrel. A strategically placed pipe connects the bottom of the filtration barrel to the storage drum, facilitating the seamless transition of the filtered water into the reservoir.

Overall this ingenious system, characterized by its simplicity and sustainability, exemplifies the judicious exploitation of natural materials’ inherent properties, progressively eliminating contaminants and transforming unclean water into a safe, potable resource, thereby addressing a fundamental human need in an eco-friendly and cost-effective manner. (238 words)

Vocabulary For Band 9 Answer

• Intrinsic: Belonging naturally; essential.

• Potable: Safe to drink; drinkable.

• Judiciously: With good judgment or wise decision-making.

• Stratum (plural: strata): A layer or level of material, typically one of a series of layers.

• Percolate: To filter or pass through a porous surface or substance gradually.

• Adsorptive: Having the property of adsorbing or attracting and holding molecules or particles onto a surface.

• Organoleptic: Relating to the sensory properties of a substance, such as taste, smell, and color.

• Polishing filter: A final filtering stage that removes any remaining impurities or particles.

• Seamless: Smooth and continuous, with no rough edges or joints.

• Exploit: To make use of and derive benefit from a resource or situation.

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