Phosphorus trichloride production wastewater purification treatment method
A technology for producing wastewater and phosphorus trichloride, which is applied in the directions of oxidized water/sewage treatment, natural water treatment, water/sewage treatment, etc. The process is simple and the effect of reducing the difficulty of processing
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[0015] Example 1:
[0016] Put 350g of waste water in a three-necked flask, turn on the stirring device, add 15g of calcium hypochlorite dropwise to react at room temperature, the reaction time is 60min, after the reaction is completed, the mixture is allowed to stand for 15min, and the mixture is separated and filtered to obtain a clear 330g of liquid, and finally the resulting clear liquid is sent to the sewage treatment plant to be discharged after being qualified, and the resulting sediment is sent to the incinerator for incineration.
[0017] After testing, the total phosphorus content in the clear liquid dropped from 2370mg / l to 0.46mg / l, and the total phosphorus removal rate was 99.98%.
Example Embodiment
[0018] Example 2:
[0019] Put 250g of waste water in a three-necked flask, turn on the stirring device, add 18g of sodium hypochlorite to react at room temperature, the reaction time is 60min, then add 4.2g of quicklime, stir for 5min, after the reaction, let the mixture stand for 15min, after the mixture is separated After filtering, 247g of clear liquid is obtained. Finally, the clear liquid is sent to a sewage treatment plant for treatment and discharged after being qualified, and the resulting sediment is sent to an incinerator for incineration.
[0020] After testing, the total phosphorus content in the clear liquid dropped from 2100mg / l to 0.38mg / l, and the total phosphorus removal rate was 99.98%.
Example Embodiment
[0021] Example 3:
[0022] Put 300g of waste water in a three-necked flask, turn on the stirring device, and pass 10g of chlorine gas to react at room temperature. The reaction time is 60min. Then add 4.0g quicklime and stir for 5min. After the reaction is completed, the mixture is allowed to stand for 15min. After filtering, 278 g of clear liquid is obtained, and finally the clear liquid is sent to a sewage treatment plant for treatment and discharged after being qualified, and the resulting sediment is sent to an incinerator for incineration.
[0023] After testing, the total phosphorus content in the clear liquid dropped from 2284mg / l to 0.47mg / l, and the total phosphorus removal rate was 99.98%.
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