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Shandong Zhiyuan Environmental Engineering Co., Ltd.

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Warmly celebrate the successful commissioning of the paper machine at Kazakhstan Bright Paper Industry

Congratulations to Kazakhstan Bright Paper Industry on the successful commissioning of its new project to produce nearly 100,000 tons of recycled paper annually! This project, invested and constructed in response to the national "One Belt, One Road" strategy, had its wastewater treatment project fully designed and constructed by our company.

2018

Warmly celebrate our company's signing of a paper mill wastewater treatment project with Henan Shuangma Paper Products Packaging

Mr. Zhang Changjun, General Manager of the company, recently signed a contract with the leaders of Henan Shuangma Paper Products Packaging Co., Ltd. for the upgrading and renovation project of the wastewater treatment system for Shuangma Paper Products Company's annual production of 150,000 tons of corrugated paper and boxboard. After the cooperation between the two parties, the renovation and upgrading of the project will directly save the enterprise nearly 2 million yuan in annual wastewater operation costs.

2018

Acceptance inspection of 12,000 square meters of desalted wastewater from Xinxiang Chemical Fiber

2018

The Xinxiang Chemical Fiber Desalination Wastewater Project has successfully passed acceptance

On July 13, 2018, company leaders, together with leaders from the state-owned listed company Xinxiang Chemical Fiber Co., Ltd., jointly accepted the Xinxiang Chemical Fiber desalination wastewater project. The acceptance was successfully completed in one go. After the project acceptance, General Manager Zhang of the company expressed his heartfelt gratitude for the support and encouragement of the owner! At the same time, he also expressed his condolences and gratitude to the colleagues who worked hard on this project!

2018

What you need to know about sludge bulking: influencing factors, formation conditions and solutions

Factors Leading to Sludge Bulking: Temperature - Low temperatures favor the growth of filamentous bacteria. Daigger et al. found that 10℃ easily leads to filamentous bulking, while raising the wastewater temperature to 22℃ is less likely to cause sludge bulking; pH - The suitable pH range for activated sludge microorganisms is 6.5~8.5. When the pH is less than 6, the activity of bacterial flocs weakens, and their growth is inhibited. However, filamentous bacteria can proliferate, replacing bacterial flocs as the dominant population, resulting in significantly poorer sludge settling performance and sludge bulking. When the pH is below 4.5, fungi completely dominate.

2018

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Tel: 86-531-88900622

Fax: 86-531-88900122

E-mail: sdzyhj@126.com

Address: No. 104, Unit 1, Building 2, Far East Ocean Tide Xuan Center, Tangye Street, Licheng District, Jinan City, Shandong Province

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