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Photo: Zhejian Fuchun Ziguang Environmental protection (ZZE)

Client: Zhejian Fuchun Ziguang Environmental protection (ZZE)
Location: Wenzhou, China
Period: 2017

Client

Zhejiang Fuchun Ziguang Environmental Protection Co., Ltd. (ZZE) offers water treatment and environmental protection services. Since 2016 it has been subsidiary of Hang Zhou Iron & Steel Co., which is a public company with EUR 12 billion revenue. Hang Zhou Iron & Steel Co. operates in energy saving, environmental protection, steel production, intelligent health, education, and technical services businesses.

 

Challenge

The previous sewage treatment plant of Wenzhou was overloaded, which is why new sewage treatment plant was needed. The new plant’s capacity had to be increased to 400 000 tons per day, which is double compared to the previous plant. Moreover, the new plant was required to be more environmentally friendly than the previous plant and be odor-free. Therefore, the plant was planned to be built partly underground. Finished new sewage treatment plant will be the largest semi-underground sewage treatment plant of Asia. Thus, ZZE turned to Econet Group and DEWA chain scraper systems to reach wastewater treatment, quality, and environmental requirements effortlessly.

 

Solution

Wenzhou sewage treatment plant needed trustworthy solution for secondary clarification. Thus, 24 two-layer DEWA chain scraper systems were delivered for the Wenzhou sewage treatment plant in 2017. Efficient secondary clarification is crucial, because in secondary clarification the leftover phosphorus is removed from the wastewater. Removing phosphorus is essential, since it can cause eutrophication in water bodies. High quality and client’s needs satisfying results were ensured through close collaboration between ZZE and Econet Group during the project.

- We were satisfied with the expertise, flexibility and technology of Econet Group. This is why we also chose to sign MoU (Memorandum of Understanding) with Econet Group to deepen our co-operation, says Lu Yibing from ZZE.

 

Would you like to get more information?

Please contact plant manager Jari Virtanen, cell +358 50 348 1338, jari.virtanen(at)dewaco.fi or send us a message using the contact form below, and we will be in contact with you as soon as possible.

Watch how DEWA chain scraper systems work

Contact information

ECONET LTD
Malminkaari 5B
FI-00700 Helsinki, Finland 
Phone: +358 9 8366 250
E-mail:
Business ID: 2438595-3

 

DEWACO LTD
Raviraitti 3
FI-23800 Laitila, Finland
Phone: +358 2 461 800
E-mail:
Business ID: 2221862-5

 

OY SLAMEX AB
Asentajankatu 4
FI-15520 Lahti, Finland
Phone: +358 9 343 6200
E-mail:
Business ID: 0114021-6

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