Overview
Heavy metal contamination in soil and groundwater presents long-term environmental and human health risks. Unlike organic contaminants, metals do not degrade over time and require reliable in situ strategies to prevent migration and exposure.
Carus Europe provides proven, field-tested solutions designed to immobilize dissolved metals directly within the subsurface, creating stable treatment zones that protect groundwater resources and support long-term site management.
Heavy Metal Challenges
Heavy metals can remain mobile in groundwater for decades if left untreated, often migrating beyond source areas and impacting sensitive receptors.
Common challenges include:
- Mobility of arsenic, lead, chromium, mercury, manganese, and other metals
- Leaching from industrial fill, mining activities, or legacy waste
- Limited effectiveness of pump-and-treat alone
- Need for passive, long-lasting remedies with minimal maintenance
Our Solution
RemLock® Iron Oxides
RemLock® is a colloidal iron oxide suspension engineered to create permeable reactive zones that bind dissolved metals as groundwater flows through the treatment area. Once deposited, the iron oxide particles permanently attach to the soil matrix, providing long-term immobilization without remobilization risk.
Ideal for treating:
- Arsenic
- Lead
- Chromium
- Mercury
- Manganese
- Mixed inorganic plumes
Key Benefits:
- Suitable for reactive barriers and source area treatment
- Permanent in situ immobilization
- Stable performance across varying pH and redox conditions
- Environmentally compatible, food-grade components
How We Help
Carus Europe supports heavy metal remediation projects with:
- Site-specific technology selection
- Design and dosing support
- Injection planning and field guidance
- Performance monitoring strategies
Our team works closely with consultants and site managers to ensure treatment zones are engineered for long-term stability and predictable performance.
Why Carus Europe
- Over a century of specialty chemistry expertise
- Proven remediation technologies used across Europe and globally
- Simplified Science® approach to complex environmental challenges
- Reliable solutions for long-term groundwater protection

