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How Taihu Lake’s dredging project is redefining environmental preservation

By Théophile Niyitegeka
On 29 March 2024 at 09:50

In the tranquil expanses of Taihu Lake, a groundbreaking endeavor is making waves, courtesy of the CCCC-Tianjin Dredging Company (TDC), a subsidiary of the renowned China Communications Construction Group Co., Ltd. This venture is a testament to the harmonious fusion of technological innovation and ecological conservation, capturing the attention of the global community with its forward-thinking approach.

Located in Jiangsu Province, Lake Taihu, China’s third-largest freshwater marvel, extends its serene waters across 2,250 square kilometers.

The project’s origins trace back to June 2002 when TDC made history by leading the 863 environmental dredging pilot project in Wuli Lake, laying the groundwork for the ambitious Taihu Lake project. TDC has since distinguished itself in the field of environmental projects in China, boasting the longest operational frontline and the most extensive dredging area, with nearly 10 million cubic meters of sediment removed.

On September 1st, 2023, TDC took a significant stride forward by entering into a strategic partnership with the Wuxi Municipal Government. This collaboration led to the creation of a state-of-the-art, multifunctional integrated dredging equipment that sets new benchmarks in efficiency, environmental sustainability, and safety for dredging operations. This innovative solution combines ecological dredging, sediment dewatering and drying, and tail water treatment, addressing the limitations of conventional dredging techniques.

In October 2023, the unveiling of the Taihu Star, the world’s premier intelligent integrated platform ship for ecological dredging, marked a milestone in China’s pursuit of innovation. The fleet, including Taihu Junqing No.1, Taihu Star No.1, and Taihu Star No.2, represents the pinnacle of environmental dredging technology, with a remarkable daily dredging capacity of 5000 cubic meters and advanced sludge pressure filtration and solidification capabilities. The Taihu Star symbolizes the symbiotic relationship between technological advancement and ecological preservation.

The project embarked on its latest phase on March 7, 2024, in the Meiliang Lake area, heralding a renewed commitment to the ecological restoration of Taihu Lake. Focusing on sediment sludge with medium to high levels of pollution, the initiative aims to dredge over 8.3 million cubic meters of sediment across a 28.9 square meter area. The deployment of the Taihu Star in this endeavor highlights a leap in dredging efficiency, water quality enhancement, and algae control, echoing the "Beauty of Taihu Lake" ethos, which contrasts sharply with the pollution and algae blooms that once compromised the lake’s health in 2007.

Recent data underscores significant improvements in water quality, with 2023 witnessing the fewest algae outbreaks since the environmental crisis began. The expansion of aquatic vegetation in the lake to 200 square kilometers represents a 25.8% increase compared to the previous year, contributing to the revitalization of the ecosystem vital for the 17 million inhabitants of one of China’s most populous and economically vibrant regions reliant on Lake Taihu.

With roots dating back to 1897, TDC’s legacy is a testament to its dedication to excellence in dredging and environmental conservation. As a vanguard of innovation, TDC’s fleet of over 70 modern dredgers, array of accolades, and wealth of patents exemplify its leadership in sustainable dredging solutions. TDC’s vision extends beyond mere dredging, embodying the future of environmental stewardship.

The Taihu Lake dredging initiative is a celebration of human creativity’s ability to recalibrate ecosystems. It narrates the fusion of technological progress and environmental awareness, charting a new course for the planet. As TDC pioneers this journey, the Taihu Lake project emerges as a beacon of hope, charting a sustainable course for future generations.

Located in Jiangsu Province, Lake Taihu extends its serene waters across 2,250 square kilometers.
The platform can reach daily dredging volume of 5000 m³ and form solidified sludge of 2500m³.
Taihu Star can move freely on the lake, especially suitable for the ecological dredging project of Taihu Lake.
Recent data underscores significant improvements in water quality, with 2023 witnessing the fewest algae outbreaks since the environmental crisis began.
Taihu Star symbolizes the symbiotic relationship between technological advancement and ecological preservation.
Using extensive automatic and intelligent software and hardware, Taihu Star can realize smart data matching, automatic adjustment of parameters and intelligent automatic operation.
Taihu Star is the world’s first integrated platform ship that combines sludge dredging and solidification and realizes smart control and remote control.
In October 2023, the unveiling of the Taihu Star, the world’s premier intelligent integrated platform ship for ecological dredging, marked a milestone in China’s pursuit of innovation.

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