DOWA Ecosystem Soil Purification Technology
DOWA Ecosystem's soil purification business conducts a comprehensive process from investigation to purification treatment and monitoring. We assess all conditions comprehensively to select the optimal treatment methods such as soil washing, chemical/thermal decomposition, and biodegradation. We address a wide range of issues, including not only heavy metals but also VOCs (volatile organic compounds), oil contamination, buried waste, and complex pollution. ■ Soil and groundwater contamination investigation - Abundant track record - With over 20 years of experience and know-how, we conduct efficient, accurate, and detailed investigations and consulting. - Since we can handle everything from investigation to purification consistently, we provide reliable and reassuring support. ■ Decomposition using iron powder for soil purification - Iron powder for soil purification developed and improved uniquely by the DOWA Ecosystem Group. - Efficient construction DIM (Direct Iron Mixing) possible up to 60m with a three-axis auger. - Pre-treatment allows for the purification of "complex contamination with oil and VOCs." ■ Metal recycling from contaminated soil - Recycling lead from soil containing lead bullets at shooting ranges. - Various treatment technologies (pumping treatment, biodegradation, chemical oxidation decomposition). ■ For more details, please download the catalog or contact us.
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DOWA Ecosystem's soil purification business conducts a comprehensive process from investigation to purification treatment and monitoring. We assess all conditions comprehensively to select the optimal treatment methods such as soil washing, chemical/thermal decomposition, and biodegradation. We address a wide range of issues, including not only heavy metals but also VOCs (volatile organic compounds), oil contamination, buried waste, and complex pollution. ■ Soil and groundwater contamination investigation - Abundant track record - With over 20 years of experience and know-how, we conduct efficient, accurate, and detailed investigations and consulting. - Since we can provide consistent support from investigation to purification, we offer reliable and reassuring support systems. ■ Decomposition using iron powder for soil purification - Iron powder for soil purification developed and continuously improved by the DOWA Ecosystem Group. - Efficient construction DIM (Direct Iron Mixing) can be performed up to 60m with a three-axis auger. - Pre-treatment allows for the purification of "complex contamination with oil and VOCs." ■ Metal recycling from contaminated soil - Recycling lead from soil containing lead bullets at shooting ranges. - Various treatment technologies (pumping treatment, biodegradation, chemical oxidation decomposition). ■ For more details, please download the catalog or contact us.
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The DOWA Ecosystem has utilized the technology, infrastructure, experience, and know-how cultivated from mining and refining over the past 120 years to contribute to environmental business. This has involved efforts to reduce emissions starting from collection and transportation, through intermediate processing, metal recycling, environmental surveys, soil purification, and final disposal. Currently, we are engaged in a wide range of environmental businesses, centered around recycling, waste treatment, and soil purification, along with consulting that organically connects these areas. As a comprehensive environmental company that takes on total environmental risks, we are actively working in this field. Moving forward, with the advancement of a globalized society, it is necessary to consider resources and the environment from a global perspective. The DOWA Ecosystem aims to think on a global scale and work with local communities to reduce social and environmental risks and realize a circular society.
