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How Water Purification System Works – Step-by-Step Guide

How Water Purification System Works – Step-by-Step Guide
March 19, 2025 BLOGS

Introduction

 

Have you ever thought about what’s really in the water you drink daily? We often take clean water for granted, but it undergoes a complex purification process before reaching our taps. Whether you use a domestic RO water purifier, a non-electric water purifier, or a hot and cold water purifier, understanding how water is purified can help you make informed choices for your health and well-being.

Water purification is essential for eliminating harmful contaminants, maintaining safe consumption levels, and ensuring the best TDS range for drinking water. In this guide, we will explore the step-by-step purification process, different purification methods, and the ideal drinking water TDS level to help keep your family safe and healthy.

Understanding Water Purification Systems

What Are Water Purifiers?

Water purifiers are devices that remove contaminants, bacteria, and harmful chemicals from water to make it safe for consumption. These systems use various purification techniques, such as Reverse Osmosis (RO), Ultraviolet (UV), Ultrafiltration (UF), and Activated Carbon Filters to provide clean and healthy water.

Why Is Water Purification Necessary?

Unfiltered water may contain harmful contaminants, including dirt, bacteria, and toxic chemicals, which pose serious health risks. Purifying water is crucial because it:

  • Eliminates disease-causing microorganisms and bacteria.

  • Removes heavy metals like lead and arsenic.

  • Enhances the taste and odor of water.

  • Ensures the water meets the recommended TDS range for safe drinking.

Step-by-Step Process of Water Purification

Step 1: Pre-Filtration (Sediment Filtration)

  • The water first passes through a sediment filter that removes large particles such as dirt, sand, and rust.

  • This step protects the domestic RO water purifier and other filtration components from damage.

Step 2: Activated Carbon Filtration

  • The activated carbon filter absorbs chlorine, pesticides, and organic compounds that cause bad taste and odor.

  • It enhances the overall quality and safety of water.

Step 3: Reverse Osmosis (RO) Filtration

  • In an RO system, water is forced through a semi-permeable membrane that removes dissolved salts, heavy metals, and contaminants.

  • RO filtration is ideal for areas with high TDS (Total Dissolved Solids), ensuring water is within the best TDS range for drinking water.

Step 4: Ultrafiltration (UF) and Nanofiltration

  • UF purifiers use a membrane with slightly larger pores than RO, effectively filtering out bacteria and viruses.

  • Nanofiltration can reduce hardness and certain contaminants without removing essential minerals.

Step 5: UV Purification (Ultraviolet Treatment)

  • The UV lamp kills bacteria, viruses, and pathogens, making the water microbiologically safe.

  • This is commonly used in both domestic RO water purifiers and non-electric water purifiers.

Step 6: TDS Adjustment and Mineralization

  • After filtration, an advanced water purifier will adjust the drinking water TDS level by reintroducing essential minerals like calcium and magnesium.

  • This ensures that the water maintains a balanced drinkable water TDS.

Step 7: Storage and Final Dispensing

  • Once purified, water is stored in a hygienic tank until needed.

  • Some advanced systems include hot and cold water purifier options for added convenience.


Types of Water Purifiers and Their Uses

1. Domestic RO Water Purifier

  • Best for high TDS water sources.

  • Uses RO membrane technology to remove heavy metals and contaminants.

  • Ideal for urban households.

2. Non-Electric Water Purifier

  • Non Electric Water Purifier Works without electricity using gravity-based filtration.

  • Suitable for areas with low TDS water sources.

  • Affordable and easy to maintain.

3. Hot and Cold Water Purifier

  • Provides instant hot and cold water for drinking and cooking.

  • Features multi-stage purification for safe consumption.

  • Ideal for offices, homes, and commercial spaces.


Best TDS Range for Drinking Water

What Is the Ideal TDS Level?

  • The drinking water TDS range should be 50-250 ppm for safe and healthy consumption.

  • Below 50 ppm, water lacks essential minerals, while above 500 ppm, it may contain excessive salts and contaminants.

TDS Range and Water Quality

TDS Level (ppm) Water Quality
0 – 50 Poor (Lacks minerals)
50 – 150 Excellent
150 – 250 Good
250 – 500 Acceptable
500 – 1000 Hard water (Not ideal for drinking)
Above 1000 Unsafe for consumption

Conclusion

Understanding how water purification systems work is essential for choosing the right water purifier for your home. Whether you opt for a domestic RO water purifier, a non-electric water purifier, or a hot and cold water purifier, ensuring that the drinking water TDS level falls within the recommended range is crucial for safe consumption.

By selecting the right purification method, you can ensure that your water is free from contaminants while retaining essential minerals for health benefits. Always check the drinkable water TDS and opt for advanced filtration systems that match your water source requirements.

Stay informed, choose the right water purifier, and drink safe water for a healthier life!