PERFORMANCE OF MICRO-NANO AIR FLOTATION ON THE TREATMENT OF INK WASTEWATER

WEI Jie; WANG Ruo-nan; JIANG Yu-ting; LIU Shu-xin

doi:10.13205/j.hjgc.202012003

Volume 38 Issue 12

Apr. 2021

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WEI Jie, WANG Ruo-nan, JIANG Yu-ting, LIU Shu-xin. PERFORMANCE OF MICRO-NANO AIR FLOTATION ON THE TREATMENT OF INK WASTEWATER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(12): 13-18,85. doi: 10.13205/j.hjgc.202012003

Citation:

WEI Jie, WANG Ruo-nan, JIANG Yu-ting, LIU Shu-xin. PERFORMANCE OF MICRO-NANO AIR FLOTATION ON THE TREATMENT OF INK WASTEWATER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(12): 13-18,85. doi: 10.13205/j.hjgc.202012003

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PERFORMANCE OF MICRO-NANO AIR FLOTATION ON THE TREATMENT OF INK WASTEWATER

doi: 10.13205/j.hjgc.202012003

School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Received Date: 2019-10-11
Available Online: 2021-04-23

Abstract

Abstract

The simulated water-based ink wastewater was treated by micro nano bubble aeration. The effects of different initial pH value, NaCl dosage and H₂O₂ dosage on the treatment of ink wastewater by micro nano air floatation were discussed by taking the dye concentration, COD and ammonia nitrogen removal efficiency as the inspection indexes. The experimental results showed that the micro nano air flotation could achieve better results in the removal of ink wastewater pollutants, and different reaction conditions could effectively promote the aeration adsorption of micro nano bubbles, among which the treatment effect was the best under the condition of pH 5, the removal rate of dye concentration and COD were over 90.0%, and the removal rate of ammonia nitrogen was 75.4%.
- micro-nano bubbles,
- ink wastewater,
- influencing factor

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References(25)

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