GreenDot TECH Environmental Services Zambia

The GreenDot Hazardous Waste landfill was built with a Class A liner (barrier), consisting of several layers of compacted clay and two high-density polyethylene geomembrane liners with built-in leakage detection and drainage layers. The excavation method used to shape the cell is different from the traditional excavator and articulated tippers. Equipment normally associated with dam construction was used to shape the cell and to carry out the bulk earth work.

· waste streams from the petrochemical industry, e.g. caustic scrubber waste;

· spent catalyst;

· various oil and fuel sludge streams;

· fuel or oil-contaminated absorbent material from spillages;

· heavy metal waste from the electroplating industry;

· paint sludge waste from paint manufacturing or the automotive industry; and

· redundant food stuff from the food industry.

Hazardous waste is a waste with properties that make it dangerous or capable of having a harmful effect on human health or the environment. Hazardous waste is generated from many sources, ranging from industrial manufacturing process wastes to batteries and may come in many forms, including liquids, solids gases, and sludges.

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