Natural rubber wastewater treatment process
A technology for natural rubber and waste water, which is applied in the fields of materials, chemical industry and environmental protection. It can solve the problems of negative impact on the environment, difficulty in achieving governance effects, difficult biodegradation of polyolefins, etc., to reduce pollutants, reduce ammonia nitrogen and total phosphorus content, and alleviate burden effect
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Embodiment 1
[0045] Contains CODcr=8000mg / l, BOD5=5300mg / L, SS=550mg / L, TP=130mg / L, NH in one cubic meter 3-Add 300-600ppm polyaluminum chloride (PAC) to the natural rubber wastewater with N=160mg / l, and then pass through the sedimentation tank, enter the slag separation tank, and add polyoxyethylene polyoxypropylene stearyl ether 100- After 300ppm, add 100-300ppm polyaluminum chloride (PAC), remove the floating substances through the grid, and then carry out dissolved air flotation, and further gather small particles and small specific gravity substances in the waste water, remove them through the fine grid, after After the above treatment, 50-60 grams of sodium hydroxide and 50-60 grams of magnesium oxide are added successively therein. After precipitation and separation, the treated wastewater is subjected to a biological treatment process, and 500-1000 ppm of ferrous sulfate heptahydrate is added therein. Hydrogen peroxide 500-1000ppm degrades polyolefins into small molecules. After th...
Embodiment 2
[0047] Contains CODcr=7000mg / l, BOD5=5000mg / L, SS=600mg / L, TP=150 mg / L, NH in one cubic meter 3- Add 400-700ppm polyferric sulfate (PFS) to the natural rubber wastewater with N=180mg / l, then pass through the sedimentation tank, enter the slag separation tank, add nonylphenol polyether 150-350ppm, add 100-300ppm Polymerized ferric sulfate (PFS), removes the floating substances through the grid, and then carries out dissolved air flotation, and further gathers small particles and small specific gravity substances in the wastewater to float up, and then removes them through the fine grid. After the above treatment, add them in turn 40-65 grams of sodium hydroxide, 40-65 grams of magnesium oxide, after precipitation and separation, the treated wastewater is subjected to a biological treatment process, and then 400-900 ppm of ferrous sulfate heptahydrate and 400-900 ppm of hydrogen peroxide are added to it, and the polyolefin Degraded into small molecules, after the above treatment...
Embodiment 3
[0049] Contains CODcr=9000mg / l, BOD5=6000mg / L, SS=800mg / L, TP=180 mg / L, NH in one cubic meter 3- Add 300-500ppm polyaluminum chloride (PAC) and 200-400ppm polyferric sulfate (PFS) to the natural rubber wastewater with N=200mg / l, then pass through the sedimentation tank, enter the slag separation tank, and add polyoxyethylene to it After 200-400ppm of polyoxypropylene stearyl ether, add 100-300ppm of polyferric sulfate (PFS), remove the floating substances through the grid, and then carry out dissolved air flotation, and further gather small particles and small specific gravity substances in the wastewater to float , removed through a fine grid, after the above treatment, 60-90 grams of sodium hydroxide and 60-90 grams of magnesium oxide were added in sequence, after precipitation and separation, the treated wastewater was subjected to a biological treatment process, and then seven Hydrated ferrous sulfate 500-1000ppm and hydrogen peroxide 500-1000ppm degrade polyolefins into s...
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