Busan Gijang Seawater Desalination Facility and Wastewater Reuse System Integrated... Industrial Water Supply to the East Busan Industrial Complex
The plan to supply industrial water to the East Busan Industrial Complex by connecting the seawater desalination facility and wastewater reuse system in the Busan Gijang region is being concretized.
The city of Busan is set to implement a new water circulation system to reduce the economic burden on companies and establish a sustainable water resource management system by utilizing idle facilities.
Why are Seawater Desalination Facilities and Wastewater Reuse Important?
For a long time, the East Busan Industrial Complex lacked a properly established industrial water supply system and relied on using domestic water instead. This led to the cost of industrial water rising to 2,410 KRW per ton, placing considerable pressure on companies' production.
In response, the city of Busan proposed a plan to purify the discharged water from the Gijang seawater desalination facility and the Gijang-Ilgwang wastewater treatment plant for reuse as industrial water.
This method is being implemented for the first time in Busan and has gained attention as a new attempt in the Busan-Ulsan-Gyeongnam area. It is expected to establish itself as an innovative model attracting national interest.
How will it be supplied?
The main content of this plan is to newly utilize the Gijang seawater desalination facility. An improved reverse osmosis (RO) filtration system is expected to produce 36,000 tons of industrial water per day. This water will be reliably supplied to the East Busan Industrial Complex through a 24 km long pipeline.
Additionally, the supply cost has been significantly lowered to 800 KRW per ton, which is expected to yield an annual cost-saving effect of approximately 21.2 billion KRW. These changes are anticipated to not only enhance the competitiveness of companies but also play a crucial role in making Busan's industrial structure more efficient.
Resource Circulation and Creation of Water Industry Cluster
The seawater desalination facility located in Gijang boasts a capacity of 9,000 tons in its first stage and will serve as a research and development and demonstration center. This facility is expected to become the core infrastructure for the advancement of desalination technology, utilization of concentrated water, energy generation using salinity differences, and hydrogen production to create a high-tech water industry cluster.
Busan's Mayor Park Hyung-joon emphasized that this project is not just about supplying industrial water; it is an innovative attempt to establish a sustainable water circulation system through wastewater reuse, laying the foundation for a Busan-type water industry ecosystem. These efforts are expected to become an important stepping stone for the development of the water industry in Busan.
What changes will occur in the East Busan Industrial Complex?
Currently, 623 companies are operating in the East Busan Industrial Complex, with additional firms expected to join by 2030. Consequently, the demand for industrial water is anticipated to reach 36,000 tons per day. This water supply plan will establish itself as a long-term response to meet this demand.
The city of Busan plans to expedite procedures such as securing national funds, signing MOUs for industrial water supply, and selecting private investment operators (BTO). The goal is to begin stable supply by 2030.
New Paradigm of Busan Water Management Policy
This policy is regarded as a successful example that achieves four goals: cost reduction, recycling of existing facilities, potential for national support, and reduction of corporate burdens.
Especially in densely populated areas like Busan, securing sustainable water resources is emerging as a key element for urban development in a city environment shaped by dispersed industries. The plans for supplying industrial water to the East Busan Industrial Complex can be seen as an important first step toward realizing a Busan-type smart water circulation city.
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