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In modern soil remediation projects, scattered contaminated sites, complex working conditions, tight project timelines, and the risk of secondary pollution continue to challenge treatment efficiency and cost control. Traditional fixed remediation plants often struggle with slow deployment, limited m

In modern soil remediation projects, scattered contaminated sites, complex working conditions, tight project timelines, and the risk of secondary pollution continue to challenge treatment efficiency and cost control. Traditional fixed remediation plants often struggle with slow deployment, limited mobility, and high infrastructure requirements.

To overcome these limitations, Desen Environmental has developed the world’s first plant-mounted integrated soil washing system, delivering a revolutionary solution for ex-situ contaminated soil remediation. Built around the core advantages of mobility, rapid deployment, intelligent operation, and high efficiency, the system transforms how soil remediation projects are delivered.

1. plant-Mounted Integration for Rapid Deployment

The Desen Soil Washing plant integrates the complete remediation workflow—including:

• Soil screening and pretreatment

• Contaminant washing and separation

• Chemical reagent mixing

• Wastewater recycling

• Solid waste separation

All functions are consolidated onto a standardized mobile platform that complies with road transportation requirements, allowing convenient relocation via trailer without geographic limitations.

Unlike traditional fixed treatment facilities, the system requires no large-scale civil construction or complex infrastructure. Once delivered to the project site, it can begin operation immediately after water and power connection, significantly shortening project preparation time.

This makes it particularly suitable for:

• Small and medium-sized contaminated land remediation projects

• Multi-location and scattered site treatment

• Urban brownfield redevelopment

• Emergency remediation in densely populated city centers

2. High-Efficiency Soil Washing for Multiple Contamination Types

Powered by Desen’s proprietary high-performance soil washing and separation technology, the system is designed to treat a wide range of contaminated soils, including:

• Heavy metal contamination

• Organic pollutants

• Mixed or complex contaminated soils

Customized washing agents and process parameters can be adjusted based on site conditions, enabling efficient removal of hazardous contaminants such as lead (Pb), cadmium (Cd), chromium (Cr), and arsenic (As) through precision dosing and high-pressure washing technology.

The system adopts a continuous multi-stage washing process, synchronizing soil feeding, reagent mixing, contaminant stripping, and clean soil separation. With a treatment capacity of up to 200 cubic meters per day, project timelines can be reduced by more than 40% compared to conventional batch treatment systems.

3. Intelligent Closed-Loop Operation with Low Environmental Impact

The equipment features a DCS distributed control system combined with 5G cloud-based connectivity, enabling both on-site and remote monitoring. Operators can track critical performance indicators in real time, including:

• Washing efficiency

• Chemical dosage levels

• Wastewater quality

• Process flow conditions

The system automatically adjusts operating parameters to maintain stable remediation performance while minimizing energy and chemical consumption.

A globally pioneering intelligent closed-loop water treatment system is deeply integrated into the mobile platform. Through a three-stage treatment process (concentration → filter press dewatering → purification and reuse), the system achieves over 90% on-site water recycling, dramatically reducing freshwater consumption and eliminating wastewater discharge to prevent secondary pollution.

4. Durable, Safe & Suitable for Complex Environments

Designed for demanding remediation environments, the Desen Soil Washing plant features a fully enclosed operating cabin and remote-control system, reducing worker exposure to hazardous contaminants.

Integrated environmental monitoring systems automatically trigger safety measures when abnormal conditions are detected, enhancing operational safety.

Built with anti-corrosion coatings and temperature-resistant materials, the system operates reliably within temperatures ranging from -25°C to 55°C. The crawler chassis includes anti-slip and shock-absorption technology, making it ideal for muddy terrain, slopes, industrial sites, mining areas, river sludge treatment, and tunnel boring slurry remediation projects.

A New Era of Mobile Soil Remediation

Breaking away from the limitations of traditional stationary equipment, the Desen Mobile Soil Washing plant combines vehicle-mounted integration, streamlined process design, and simplified operation to meet the growing demand for flexible, decentralized, and emergency remediation solutions.

More than just a mobile treatment machine, it is a practical solution for urban brownfield redevelopment, industrial legacy site remediation, and scattered contamination treatment.

Looking ahead, Desen Environmental remains committed to continuous process innovation, structural optimization, and greener remediation technologies, delivering smarter and more adaptable mobile equipment to support sustainable soil restoration and environmental protection worldwide.