Environmental Impact of Distilled Water: Sustainable Choices

Editor: Kirandeep Kaur on Nov 05,2024

In reality, today, in the very world of heightened environmental awareness ever witnessed, even the mere nature of water consumed will make a real difference in a world that has changed dramatically. Among the sorts of water being consumed now, distilled water finds itself in extreme popularity for being the purest when its application may play a critical role in adverse ways in applications as diverse as medical uses, automotive, and other laboratory applications, among other forms. However, the same also carries its own environmental concerns along with its production. With the above context regarding the origin of distilled water, let us look at some environmental concerns with its production and discuss a few water options that support the life of sustainability.

What is Distilled Water and How is it Made?

It is the purified water that has been distilled. All its minerals, bacteria, and other impurities are removed. The process includes heating the water to its boiling point. When the impurities are left behind, the water vapor rises into the air. Then, this water vapor is collected and condensed back into liquid, making it highly purified water.

Distilled water is considered pure. But its friendliness to the environment remains dubious. The process uses tremendous amounts of electricity or fuel to boil in order to raise the temperatures and hence emit carbon and energy.

Environmental Impacts of the Production Process

1. Energy Intensiveness

Distillation is extremely power-intensive, especially with all the heat needed to get water to boil and hold it at boiling. Whatever the scale, this method of distillation, done in a distiller found in the house or used on an industrial level, uses a tremendous amount of electricity or natural gas. Take one liter of water for example; it takes more than 700 watt-hours to distill. This demand directly relates to more greenhouse gas emission, especially if fossil energy is used as the power source.

Renewable energies like solar or wind-based distillation can reduce the level of damage to the environment. Still, most commercially used plants use traditional fuels, making distilled water manufactured less environmental-friendly than purification by other means.

2. Water Wastage

Distillation is often less water-friendly than other purification techniques. Water holding impurities is also not collected but lost in the process. Additionally, if a distillation unit in a home or an industrial setting is not designed to save water, part of the water used in the distillation process is lost. The regions with a problem of water scarcity add more environmental and ethical concerns to the inefficient use of water resources for distillation.

3. Carbon Footprint of Industrial Production

As the distillation process consumes energy, it requires a large facility to support the distillation Process. These facilities additionally require electricity to cool condensation of the vapor that will then turn back into liquid water. This reliance on industrial-sized operations increases the general footprint of the environment in production, especially in locations where energy is produced via coal, oil, or gas.

4. Plastic Waste and Packaging

There are many places now selling bottled water in the single-use plastic bottle. Soon, it ends up somewhere in the landfill or sea, and it takes them hundreds of years to break down when toxins get released. Some do offer eco-friendly packaging, but massive plastic use in bottled water is an environmental catastrophe for the majority.

Eco-Friendly Water Options

Luckily, there are alternatives to distillation which do not consume much energy and have a gentle touch on the environment. Here are some of the eco-friendly water options promising purity without much environmental cost:

1. Reverse Osmosis (RO)

One of the most used techniques for purifying water through a semipermeable membrane to remove impurities from water is reverse osmosis. This process could also be more energy efficient than distillation, particularly at small scales, such as a house or domestic water filter. RO units don't use heat, meaning they're significantly more sustainable in terms of energy use.

However, RO systems generate waste water, which is a major disadvantage if there is less water availability in the region. Over the years, technological developments have improved the efficiency of RO, and now the same systems are available easily with minimal wastage of water. Thus, the objective of achieving a balance between purity and environmental sensitivity could be met by choosing the most efficient RO system available.

2. Ultraviolet Purification

The final option considered here is UV water purification, which employs ultraviolet light to destroy bacteria and viruses and other micro-organisms in water. Its disinfection power is a highly effective UV purification system compared to distillation since UV does not need heat, and it produces no wastewater.

It doesn't remove minerals or heavy metals in the water. In some cases, this may not be suitable for mineral-free water, so UV purification might have to be accompanied by other types of filtration systems to achieve purity levels that are desired.

3. Carbon Filtration

Carbon filters remove chlorine, sediment, and other volatile organic compounds from water, which is the major use. The method of filtration based on such a thing uses adsorption, where particles are held to the active surface of carbon. It lets the clean water pass through it. Carbon filtration systems have low energy usage, maintenance is easy, and effective in general water purification.

Carbon filters will not remove dissolved minerals, but they may be an excellent option as a sustainable way of having less impurity in one's water without high consumption of energy. They are especially popular for residential use and can often be used in combination with other technologies to increase the purity levels.

Is Distilled Water Sustainable?

The sustainability of distilled water, therefore, needs to be considered both in terms of energy requirements and waste generated in its production. For purposes of medical, laboratory, and industrial applications, distilled water is used but is not the most sustainable form of drinking water because of the high level of environmental harm it produces. It can be more sustainable by using alternatives like solar distillers, which are powered solely by natural sunlight for the distillation of water.

This method, though, is still an emerging alternative for highly sun-exposed communities, as it gives a minimal carbon footprint of distilled water. This method, though, cannot be practiced on a large scale; it is yet to gain popularity.

Making Eco-Conscious Choices in Water Consumption

This would then inform decisions about distilled water for being eco-conscious. Here are a few steps to minimizing an environmental footprint of your water usage:

Optimize Purification: If mineral-free water is not absolutely necessary, choose systems with a relatively lower environmental footprint, such as reverse osmosis, UV, and carbon filtration.

Use Reusable Bottles: Whether buying distilled water or filtered water, make use of reusable bottles in order to avoid the accumulation of single-use plastic bottles as plastic waste.

Use Renewable Energy: If you are distilling water in your home, seek a distillation unit using renewable energy sources such as the sun.

Advocate Sustainable Practices: Advocate for businesses and governments to change to renewable energy sources and eliminate plastic packaging from water products.

Stay on top of the environmental implication of your choices and have an option that aligns with your values and enables a healthy planet.

Conclusion

While distilled water may be a requirement in some applications, the environmental impact of such a process brings to the fore the need to have more sustainable practices in terms of purification. As everyone is increasingly becoming aware of climate change and resource shortages, there is a constant need to find eco-friendly water, which has less energy intake, produces less waste, and encourages eco-friendly practices. If we opt for purification methods that have lesser environmental impacts and practice such sustainable techniques, we might just ensure that our valuable resources remain intact for other generations to come.


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