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Hidden beneath city streets, vast amounts of pipeline sludge are generated every day. In industrial zones, contaminated sludge continues to accumulate, posing long-term environmental risks. Traditionally, sludge treatment has been associated with landfilling or incineration—methods that often lead

Hidden beneath city streets, vast amounts of pipeline sludge are generated every day. In industrial zones, contaminated sludge continues to accumulate, posing long-term environmental risks. Traditionally, sludge treatment has been associated with landfilling or incineration—methods that often lead to secondary pollution and wasted resources. Desen Environment is redefining this narrative with its advanced sludge harmless treatment equipment, transforming waste into reusable assets through practical, results-driven technology.

Desen’s sludge treatment system adopts a multi-step process combining screening, deep dewatering, and stabilization. Coarse materials such as sand, gravel, and debris are first precisely separated through multi-stage screening. The remaining sludge then undergoes low-temperature drying to significantly reduce moisture content, followed by stabilization using specialized agents to eliminate environmental risks.

After treatment, sludge is no longer a disposal burden. Organic-rich output can be reused for landscaping, soil improvement, or land reclamation, while material meeting construction standards can be repurposed as road base filler or brick-making raw material. In a municipal pipeline sludge project in Dongguan, Desen’s equipment successfully processed dozens of tons of sludge, with the treated material reused directly in local park landscaping—achieving true “in-city treatment and local reuse.”

By replacing disposal-oriented thinking with resource recovery, Desen Environment enables cities to reduce pollution, lower disposal costs, and unlock hidden value within sludge—turning an environmental challenge into a sustainable opportunity.