The Core of Technological Innovation for
a Sustainable Future
R&D Center
R&D Center
R&D Center
Since establishing our Corporate Research Institute in April 2012,
CJK Co., Ltd. has been at the forefront of water treatment and environmental technology development.
Our institute holds numerous patents in the field, including disk filters, low-salt softeners, filter cleaning and stabilization methods, and high-efficiency modules.
We continuously develop innovative technologies and products. By prioritizing people and the environment,
we strive to protect the value of clean water through sustainable technological innovation.
R&D Research Areas
R&D Research areas
Backed by extensive experience and specialized know-how, CJK’s R&D capabilities provide strong competitiveness in core research areas.
High-Efficiency TOC Removal
Technology for the removal or decomposition of perfluorinated compounds (PFCs) found in water, soil, and air, aimed at minimizing environmental and human health impacts.
CJK utilizes cutting-edge membrane technologies combined with customized operational design to effectively treat wastewater with high organic loads, delivering performance beyond that of standard RO systems.
Lithium concentration / Recovery valuable metals / CCRO
Providing customized water treatment systems utilizing ion exchange resins and membrane technologies to supply high-quality water for diverse industrial applications.
With unmatched expertise in CCRO system design and fabrication, CJK delivers durable and high-performing solutions.
Premium components, strict quality control, and advanced R&D drive exceptional system efficiency.
Electro Deionization
Compact Korean-made EDI for ultrapure water in pharma, biotech, and high-tech industries
Delivers high-efficiency deionization, reduces waste, extends consumable life, and supports sustainable operations.
Multi-Bag-Disc-Filter
Versatile pretreatment filter for wastewater, purification, reuse, and recovery processes
Compared to conventional bag filters, it offers a longer lifespan and backwash capability, minimizing waste generation and significantly reducing operating costs.
