Soil remediation - List of Manufacturers, Suppliers, Companies and Products

Soil remediation Product List

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Soil Washing Method

From investigation to purification, we can respond consistently! We comprehensively assess various conditions and select suitable treatment methods such as soil washing, chemical/thermal decomposition, and bioremediation!

DOWA's ecosystem soil purification business conducts a comprehensive process from investigation to purification treatment and monitoring. It also broadly addresses not only heavy metals but also VOCs (volatile organic chlorinated compounds), oil contamination, buried waste, and complex pollution. 【Features】 ■ A reliable and reassuring support system that can consistently handle everything from investigation to purification ■ Investigations conducted with purification design in mind ■ Advanced simulation analysis by geological specialists ■ Support for risk management ■ Extensive capabilities for both nationwide and overseas investigations *For more details, please refer to the PDF materials or feel free to contact us.

  • Clean Room

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Composite Microbial Preparation: Soil Remediation of Oil Contaminated Soil in Okinawa

Application of bioremediation for oil-contaminated soil purification in Okinawa.

In recent years, in Okinawa, soil contamination due to oil and other substances has become apparent alongside the return of U.S. military bases, leading to a serious problem. In Okinawa, the main method for addressing oil contamination is treatment through lime mixing; however, this raises concerns as it alters the properties of the soil. There is growing interest in the effectiveness of bioremediation and its applicability. In response, our company conducted a treatability test (biotreatment suitability test) using Okinawan soil. 【Target Soils】 ■ High-concentration oil-contaminated soil (Kunigami Marge) ■ Medium-concentration oil-contaminated soil (Jagaru) *For more details, please feel free to contact us.

  • Soil improvement material

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DOWA Ecosystem Soil Purification Project

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 with DIM (Direct Iron Mixing), capable of construction 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. - Diverse treatment technologies (pumping treatment, biodegradation, chemical oxidation decomposition). ■ For more details, please download the catalog or contact us.

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