BeiJet applies for patents related to high-salt wastewater equipment, which integrates treatment of high-salt wastewater, achieving concentration and fresh liquid separation.

March 19 News: According to information from the National Intellectual Property Administration, Beijie Te Group Co., Ltd. has applied for a patent titled “Integrated Treatment Equipment for High-Salinity Complex Wastewater.” The application publication number is CN121672852A, the application number is CN202610062558.5, with a publication date of March 17, 2026, and an application date of January 18, 2026. The inventor is Wang Mingge. The patent agency is Beijing Zhuote Patent Agency (General Partnership), with patent agent Duan Yu. The classification codes are C02F9/00, C02F1/00, C02F1/28, C02F1/66, C02F1/56, C02F1/461, C02F1/04.

Patent Abstract: An integrated treatment device for high-salinity complex wastewater, characterized by including a pretreatment system, an ion membrane mechanism, and a multi-effect evaporator connected sequentially; the pretreatment system is used to receive and treat high-salinity complex wastewater, removing organic matter, hardness components, and suspended solids sequentially; the pretreatment system is connected to the inlet of the ion membrane mechanism via a transfer pump II, which receives the pretreated wastewater. The ion membrane mechanism separates and transfers ions under a DC electric field, concentrating the wastewater into a concentrate with salinity above 18%, and separating out the dilute water.

Beijie Te: A Leading Enterprise in Wastewater Resource Recovery and Treatment

Founded on October 12, 2004, Beijie Te was listed on the Shenzhen Stock Exchange on August 4, 2021. Its registered and office addresses are both in Beijing. The company is a leading enterprise in the field of wastewater resource recovery and deep water treatment in China, providing professional services based on multiple core technologies, with significant technological barriers.

Beijie Te focuses on wastewater resource recovery and deep water treatment, belonging to the Shenwan industry category of Environmental Protection - Environmental Governance - Water Services and Water Management, involving concepts such as trace metals, non-ferrous copper, and salt lake lithium extraction. Relying on independently developed core technologies such as zero-discharge salt separation of high-salinity wastewater, the company offers water treatment solutions, operational management and technical services, and product manufacturing and sales.

In terms of business performance, in 2025, Beijie Te achieved a revenue of 1.012 billion yuan, ranking first in the industry, consistent with the industry average and median. Main business revenue includes water treatment solutions at 662 million yuan (65.45%), operation management and technical services at 335 million yuan (33.11%), and product manufacturing and sales at 14.59 million yuan (1.44%). Net profit was 84.22 million yuan, also ranking first in the industry, aligned with the industry average and median.

Recent patent applications by Beijie Te Group Co., Ltd. are as follows:

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