Reused water

Reused water

For industry, water is no longer merely a minor utility expense. It is increasingly becoming a strategic priority in terms of supply security, technological risks, and access to financing. The technical expertise required for water recycling and reuse is already available in Hungary. The key to achieving a breakthrough lies primarily in creating effective economic incentives and recognising the true value of water resources.

Water is becoming an increasingly important strategic resource for industrial production. Growing water demand, the impacts of climate change, and the limited availability of freshwater resources mean that businesses must consider supply security and sustainable water management.

Wastewater reuse, industrial process water recycling, and rainwater harvesting are set to play an increasingly significant role in the future of industry.
Industrial water consumption still relies heavily on conventional water sources, even though many production processes offer opportunities to reuse water that has already been utilised.
Modern water treatment technologies make it possible to transform municipal and industrial wastewater into water of a quality suitable for specific industrial applications. Following appropriate treatment, this water can be reintroduced into production processes. This approach not only reduces pressure on natural water resources but also helps companies decrease their dependence on external water supplies.

One of the fundamental principles of circular water management is that not every industrial process requires drinking water quality. Water used in one stage of production can, after suitable treatment, be reused in another technological process. Water recycling can significantly reduce freshwater demand and wastewater discharge while improving overall resource efficiency.

Rainwater is also gaining increasing attention as an alternative water source. Rainwater collected from the large roof areas and paved surfaces of industrial facilities can, after appropriate storage and treatment, be used for irrigation, fire protection systems, and even certain industrial processes. Retaining and utilising rainwater on-site can also reduce the burden on stormwater drainage infrastructure.

Today, one of the greatest barriers to water reuse is often economic rather than technological. Although the necessary technical solutions are already available, installing water treatment, storage, and distribution systems may require substantial investment.
As long as conventional water sources remain more economical in the short term, companies may find it difficult to justify investments in water recycling. Recognising the true value of water resources, establishing an appropriate regulatory framework, and introducing targeted financial incentives are therefore essential to accelerating the adoption of water reuse solutions.

New opportunities may also emerge through blue financing, which supports investments specifically aimed at protecting water resources, improving water efficiency, and promoting sustainable water management. Such financing mechanisms could help industrial companies view water recycling not merely as an environmental commitment, but as a long-term investment that strengthens operational resilience and competitiveness.

The future of industrial water management will therefore increasingly focus on using water efficiently, recovering and recycling it, and preserving its value. Implementing circular water solutions can simultaneously support the protection of natural resources, industrial supply security, and sustainable economic development.

This important topic was recently explored by GyártásTrend Magazine, which interviewed Dr Károly Kovács, founder of Pureco and President of the Hungarian Water Association (HWA). During the interview, he shared his professional insights on the opportunities for industrial water reuse, Hungarian and international experiences, the role of economic incentives, and the future of sustainable water management.

Read the full interview (in Hungarian):