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Company leaders accompanied clients on a tour of the zero-emission papermaking project

2018

Zhiyuan Environmental Papermaking Anaerobic Removal Rate Reaches New High

The Dongzhen Paper Industry wastewater upgrading and transformation project, general contracted by our company, has achieved a stable anaerobic system removal efficiency of 80% since its acceptance and operation, setting a new high for the industry! Dongzhen Paper Industry's original wastewater treatment process was: physical and chemical + biological. The anaerobic system and deep treatment unit have been newly added for the upgrading project. The original water COD is between 11000 and 13000, and the effluent water quality requirements after upgrading are: COD <50, SS <10, BOD <10.

2018

The 38,000 square meter wastewater project of Xinxang Chemical Fiber, a leading listed company in chemical fiber, has been successfully accepted.

Shandong Zhiyuan Environmental Engineering Co., Ltd.'s design-build project for Xinxiang Chemical Fiber Group Co., Ltd.'s chemical fiber wastewater treatment (38,000 cubic meters per day) has been successfully accepted! Mr. Zhang Changjun, General Manager, and Mr. Guo Xincheng, Deputy General Manager, participated in the on-site acceptance.

2017

Types of pollutants in wastewater from daily life

According to hazard characteristics, pollutants in wastewater can be classified into floating matter, suspended solids, petroleum, oxygen-consuming organic matter, refractory organic matter, plant nutrients, heavy metals, acids and alkalis, radioactive pollutants, pathogens, and thermal pollution.

2017

Pretreatment methods for daily water purification

Most natural water contains a large amount of impurities, such as sand, clay, organic matter, microorganisms, and mechanical impurities. The presence of these impurities seriously affects the water quality and treatment effect of purified water. Therefore, some impurities must be reduced or removed before fine processing, which requires pretreatment, also known as pre-treatment.

2017

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