Patent ID: 8715509

Claim:
A tanning wastewater treatment and reuse apparatus comprising: a coarse filter; a regulation pool; a hydraulic sieve; a desulfurization pool; a first nanocatalytic electrolyzer; a flocculation pool; a first settling pool; a flotation device; a biochemical pool; a second settling pool; a second nanocatalytic electrolyzer; a fine filter; and a compressor; wherein the coarse filter has an inlet and an outlet connected to an inlet of the regulation pool, an inlet of the hydraulic sieve is connected to an outlet of the regulation pool, an inlet of the desulfurization pool is connected to an outlet of the hydraulic sieve, a precipitate outlet of the desulfurization pool is connected to the compressor, an inlet of the first nanocatalytic electrolyzer is connected to a wastewater outlet of the desulfurization pool, an outlet of the first nanocatalytic electrolyzer is connected to an inlet of the flocculation pool, an outlet of the flocculation pool is connected to an inlet of the first settling pool, a precipitate outlet of the first settling pool is connected to the compressor, a wastewater outlet of the first settling pool is connected to an inlet of the flotation device, an impurities outlet of the flotation device is connected to the compressor, a wastewater outlet of the flotation device is connected to an inlet of the biochemical pool, an outlet of the biochemical pool is connected to an inlet of the second settling pool, a wastewater outlet of the second settling pool is connected to an inlet of the second nanocatalytic electrolyzer, a precipitate outlet of the second settling pool is connected to the compressor, a wastewater outlet of the second nanocatalytic electrolyzer is connected to an inlet of the fine filter, water for reuse flows out of an outlet of the fine filter, and impurities in the compressor are for discharge.