Wastewater Treatment Focus

From April 13–15, 2026, the global environmental protection industry once again turned its attention to Shanghai, where the 27th China International Environmental Expo was grandly held. As a leading enterprise in the field of ion exchange and adsorption resins in China, ZhengGuang made a strong appearance with its new-generation water treatment solutions. Backed by robust technical expertise and cutting-edge innovations, ZhengGuang set off a wave of green technology at this premier environmental event.

Against the backdrop of accelerating industrialization, efficiently removing heavy metal ions, refractory organic compounds, and high-salinity pollutants from industrial wastewater—while simultaneously enabling resource recovery—has become a key challenge in the industry’s green transformation.

With decades of dedicated experience in wastewater treatment, ZhengGuang has independently developed a specialized resin series for wastewater applications. Featuring unique chemical structures and outstanding physical properties, these resins are widely used across industries such as advanced materials, chemicals, electroplating, pharmaceuticals, electronics, new energy, and municipal wastewater treatment. Moreover, for complex industrial wastewater scenarios, ZhengGuang is capable of providing integrated, system-level solutions that combine high-efficiency purification, cyclic regeneration, and resource recovery.

Process Flow Diagram of Zero Liquid Discharge (ZLD) System for Industrial Park Wastewater

Process Flow Diagram of Ni–Co–Mg Wastewater Treatment System

For industrial wastewater containing heavy metal ions such as chromium, nickel, zinc, copper, cyanide, silver, and mercury, ZhengGuang has developed a range of specialized resins, including D860, D851, D840, ZGA451, and ZGA304. Leveraging uniquely engineered pore structures and functional group designs, these resins maintain high selectivity and elevated saturation capacity even under complex water quality conditions. Compared with conventional materials, they deliver significantly enhanced adsorption efficiency, along with stable performance and extended service life. In addition, they offer both high adsorption capacity and high elution efficiency, making them a preferred solution for the treatment of heavy metal-containing wastewater across various industries.

In addition to heavy metal wastewater treatment, ZhengGuang has developed a series of specialized resins—ZGF860, ZGNH001, ZGS820, ZGA351P, and D890—to address key challenges in treating wastewater containing fluoride, ammonia nitrogen, arsenic, phosphorus, and nitrate nitrogen. With highly targeted adsorption performance, these resins effectively tackle complex wastewater treatment issues, providing comprehensive support for regulatory compliance and resource recycling.

ZG D860 Resin Appearance

ZG ZGA304 Resin Appearance

ZG ZGS820 Resin Appearance

ZhengGuang’s specialized resin series for wastewater treatment features excellent regeneration performance. By adopting a closed-loop process of “adsorption – elution regeneration – recovery,” it not only aligns with the principles of sustainable development, but also ensures compliant wastewater discharge while enabling the recovery of valuable metal resources, thereby delivering both environmental and economic benefits.

In practical applications, this resin series offers four key advantages: high selectivity, high adsorption efficiency, strong anti-fouling capability, and excellent mechanical strength. It enables precise capture and efficient removal of various harmful substances in wastewater. In particular, it demonstrates outstanding performance in the treatment of industrial heavy metal wastewater, making it one of the core materials in modern industrial environmental protection systems.