Traditional Disposal vs Soil Washing for Heavy Metals: The 华东地区多种重金属污染场地修复项目 Comparison
Cost-benefit comparison: soil washing vs dig-and-haul for heavy metals remediation at 华东地区多种重金属污染场地修复项目. Estimated 40-60% cost reduction with Desen's 20 t/h plant.
Two Paths, One Decision
At 华东地区多种重金属污染场地修复项目, project stakeholders faced a fundamental choice for dealing with heavy metals contaminated soil: traditional dig-and-haul to landfill, or on-site treatment with Desen's soil washing technology. Here's how the comparison played out.
Head-to-Head Comparison
| Factor | Dig & Haul | Soil Washing (20 t/h) |
|---|---|---|
| Transport Cost | High — all soil hauled off-site | Low — only filter cake leaves site (~10% volume) |
| Landfill Fees | Full volume × tipping fee | ~10% volume × tipping fee |
| Replacement Fill | Must purchase and import clean material | Recovered sand/gravel reused on-site |
| Carbon Footprint | High (trucking + virgin quarrying) | Low (on-site processing + material reuse) |
| Project Duration | Long (dependent on landfill capacity and haul distance) | Controlled by plant throughput — predictable timeline |
| Long-Term Liability | Retained (landfill remains owner's responsibility) | Eliminated (soil cleaned to regulatory standard) |
The Verdict
For 华东地区多种重金属污染场地修复项目, soil washing delivered an estimated 40–60% cost reduction compared to dig-and-haul, while eliminating long-term environmental liability. The project now serves as a reference case for regulators and consultants evaluating remediation options for similar heavy metals sites.
About Desen Environmental
Zhengzhou Desen Environmental Technology Co., Ltd. is a National High-Tech Enterprise headquartered in Zhengzhou High-Tech Zone, Henan, China. With over 30 years of manufacturing heritage and a dedicated focus on environmental equipment since 2010, Desen has delivered 1,000+ projects across 100+ countries, serving 385+ renowned clients with a >98% satisfaction rate. R&D partnerships include Zhengzhou University, Henan University of Technology, and the Chinese Academy of Geological Sciences, plus technology alliances with leading environmental enterprises from Germany and Finland.
Phone: +86-371-61937711 | Web: www.materialwashing.com
