Yeoju County Pushing Ahead With National Core Mineral Industrial Complex Visits Youngpoong Seokpo Smelter to Benchmark ZLD System
TECHWORLD ·
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Gangwon Province's Yeongwol County is pushing ahead with plans to establish a tungsten-based national core mineral industrial complex and a key materials complex for advanced industries.
Yeongwol County visited Youngpoong Seokpo Smelter to benchmark its ZLD site as it considers installing a zero-discharge public wastewater treatment facility within the complex.
Seokpo Smelter spent about KRW 47.5 billion to build the ZLD system and reprocesses all process wastewater into process water through atmospheric evaporation concentration.
Yeongwol County in Gangwon Province is pushing ahead with plans to create a tungsten-based national core mineral industrial complex. Along with pursuing the establishment of a stable supply chain for tungsten, a national core mineral, and securing tungsten resources, the county is also pushing ahead with the creation of a key materials complex for advanced industries. It is also considering installing a zero-discharge public wastewater treatment facility within the complex.
In connection with this, Yeongwol County visited Youngpoong Seokpo Smelter to benchmark its zero liquid discharge (ZLD) wastewater system. Youngpoong Seokpo Smelter said on the 17th that officials from the Strategic Industry Division of Yeongwol County Office had visited the site. Youngpoong explained that the visit was meant to examine ZLD technology and operating cases that are actually in use at industrial sites.
A Yeongwol County official toured the ZLD facility at Seokpo Smelter and received an explanation of its technical features and operating cases. The purpose of the visit was to review the current state of ZLD technology and operating cases.
The Yeongwol County official showed interest in the background behind the introduction of ZLD and also expressed interest in the investment cost for building the system, annual operating expenses, and considerations in operating the facility.
ZLD is a circular water treatment system that reprocesses all wastewater generated in the smelting process and reuses it as process water without discharging it outside. Youngpoong Seokpo Smelter spent about KRW 47.5 billion to build the ZLD system.
The method applied at Seokpo Smelter is atmospheric evaporation concentration. It is a process in which process wastewater is heated to more than 100 degrees Celsius, steam is captured, and clean water is recovered and reused as process water. Waste heat steam generated during the smelting process is used as the energy source in this process, helping improve energy efficiency.
Youngpoong has also completed patent registration for ZLD-related technologies. Based on this technological capability, the zero-discharge wastewater system at Seokpo Smelter is being used as a domestic example of eco-friendly water treatment and resource circulation in the industrial sector. The smelter said site visits by local governments across the country, including Yeongwol County Office, and by industry officials have continued.
A Seokpo Smelter official said the company has accumulated experience and know-how in building and operating ZLD systems at industrial sites. The official also said the company hopes the experience will be helpful to other industrial sites that are considering similar facilities and technology adoption. In addition, the company said it plans to continue efforts to improve the environment in order to harmonize the environment and industry.
Source: TECHWORLD · Lee Gwang-jae
Original: https://www.epnc.co.kr/news/articleView.html?idxno=407104
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Source: TECHWORLD
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