Bioremediation method for arsenic-containing tailings or waste residue
A bioremediation and waste residue technology, applied in the restoration of polluted soil, etc., can solve the surrounding ecological and environmental threats, and achieve the effect of eliminating wind erosion and water erosion pollution, saving manpower, material and financial resources, and requiring low management technology
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[0029] After leveling the tailings pond or waste slag pile, build retaining dams around the tailings pond or waste slag pile, and build a 45cm wide x 35cm deep drainage ditch on the outside of the dam foundation. A 3m-wide road is built in the center of the tailings pond or waste slag heap to facilitate the passage of people and vehicles. Build 45cm wide x 35cm deep drainage ditches on both sides of the road. Horizontal and vertical drainage ditches 35cm wide × 50cm deep shall be built on the tailings pond or waste slag pile, and the surface of the tailings pond or waste slag pile shall be divided into a grid shape of about 30 × 30 m.
[0030] Dig pits on the surface of the tailings pond or waste slag pile at an interval of 80cm×80cm, and the size of the pits is 30cm in diameter×30cm in depth. Mix 30kg of foreign soil with 300g of compound fertilizer (N-P-K=15-15-15) and apply it into the above pits.
[0031] Dig the centipede grass seedlings and Miscanthus plants from the s...
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