In wet flue gas desulfurization processes within the petrochemical and power industries, the generated wastewater is typically characterized by high fluoride, high salinity, and high alkalinity.

Jakarta, Indonesia, August 2026 – Beijing Hanqi Environmental Technology Co., Ltd. (“Hanqi”) made a strong presence at INDOWATER 2026, Indonesia's leading international exhibition for water and environmental technologies, showcasing its integrated process technologies, advanced treatment solutions, and full-spectrum engineering capabilities across industrial and municipal water and wastewater applications.

In petrochemical plants, discharged brine is characterized by high salinity, low B/C ratio, and poor biodegradability.Biofilters have long been the mainstream biological treatment for such brine – but they come with complex equipment, complicated controls, significant head loss, and frequent backwashing.

Recently, Hanqi Environment successfully passed the 2026 annual surveillance audit for its quality, environmental, and occupational health and safety management systems (ISO 9001, ISO 14001, ISO 45001). As in previous years, the audit team conducted on‑site inspections at one of our chemical wastewater treatment project sites, reviewing equipment operation, testing procedures, and the implementation of safety protection measures.

Hanqi Environment has recently won the bid for the wastewater treatment section of Wanhua Group's large‑scale lithium iron phosphate (LFP) project in Yantai, Shandong……

On July 3, the opening ceremony of HANQI Environmental's new Tianjin R&D Center was held at E85, Hengtong Enterprise Port, Xiqing District, Tianjin. Chairman Lu Qinghua, General Manager Wang Xiaoyang, and Deputy General Managers Chen Lihui and Yang Quan attended the ribbon-cutting. Department managers and employee representatives witnessed the R&D team and the Tianjin solutions team officially move into the new standalone building.

Hanqi Environment has recently won the bid for and successfully completed the technical retrofit of the ozone catalytic oxidation tank at Zhong'an United Coal Chemical Co., Ltd. ……