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Sun Paper's CARROUSEL® Oxidation Ditch Officially Put into Operation

Author: Century 3       Update: 2022-06-02

On October 15, 2021, the production line of Guangxi Sun Paper Co., Ltd.’s 3.5 million-ton Forest-Pulp-Paper integration project was successfully launched in Beihai, Guangxi Province, indicating another mega-sized CARROUSEL® wastewater bio-treatment system put into operation. BEEC, a subsidiary company of Century 3 (Shanghai) Inc., has provided process design service and core equipment to this project. This marks a successful cooperation again between Century 3 and Sun Paper Group after the two previous treatment of Sun Group’s production facilities in Yanzhou and Zoucheng city was launched.


Shandong Sun Paper Group, founded in 1982, is a world-leading multinational paper maker and integrated forest-pulp-paper group. It is one of the top 500 Chinese enterprises and ranks top 20 paper-manufacturing companies in the world, which definitely makes Sun Paper a front-runner of pulp and paper industry in China.


The bio-treatment section of the project is designed with a capacity of 120,000 ton/day, it is currently one of the largest biological treatment facilities in Chinese pulp and paper industry. The establishment of 3.5 million-ton forest-pulp-paper integration project located in Beihai, Guangxi is an important move for its further business growth in China. Beihai project is to be built, as set out by the Group, with the principle of energy-conserving, low carbon and environment friendly, technologically intelligent, and in world-class. Among them, wastewater treatment plays a critical and indispensable role to achieve the energy conserving, low carbon and environment-friendly target.


Century 3 has been demonstrating leadership and excellency in the wastewater field with a track record of building and delivery of more than 100 treatment facilities in China. After successful completion of two large-scale water treatment projects at Tianzhang Paper (2010) and Honghe Paper (2015), the cooperation between Century 3 and Sun Paper Group on Beihai project has shown our strong technical expertise with reliability and advancement of proprietary CARROUSEL® oxidation ditch technology.