"吃"掉污泥 "烧"出真金白银 山东首个污泥独立焚烧项目建成
Xin Hua Wang·2026-01-10 03:00

Core Insights - The independent sludge incineration project in Qingdao transforms sludge from a burden into a resource, achieving both economic and environmental benefits through energy self-sufficiency and local processing [1] Group 1: Project Overview - The project is located in the Xiaojianxi Solid Waste Comprehensive Disposal Park and can process 600 tons of sludge daily with an 80% moisture content [1] - Previously, about 30% of the sludge generated by Qingdao's sewage treatment plants required long-distance transport for disposal, incurring high costs and safety risks [1] - The facility now enables 100% local digestion and harmless disposal of sludge [1] Group 2: Operational Efficiency - The project reduces reliance on external fuels by achieving stable self-sustaining combustion of sludge, leading to over 30% reduction in energy consumption and operational costs [1] - The integration of resources within the park allows for cost savings, such as using biogas from a nearby landfill and treated wastewater for non-potable uses, resulting in an additional 10% reduction in operational costs [2] Group 3: Environmental Impact - The project addresses key pollution issues by collecting and incinerating odors and waste gases at high temperatures, effectively eliminating foul smells [3] - The end product of the sludge treatment is a stable, non-hazardous ash that can be used as a building material, significantly reducing its volume and potential environmental threats [3] - The project exemplifies a closed-loop system that integrates sludge disposal, waste management, wastewater treatment, and energy recovery, setting a benchmark for sustainable urban waste management [3]