Water treatment method for emergency treatment of sudden petroleum pollution to drinking water
An emergency treatment and oil pollution technology, applied in the field of water treatment, can solve the problem of poor removal effect of sudden oil pollution in raw water, and achieve good removal effect, high operating efficiency and simple operation
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specific Embodiment approach 1
[0011] Specific embodiment one: the water treatment method for removing petroleum pollutants in raw water in this embodiment is carried out according to the following method:
[0012] 1. Take 1L of raw water into a 1L beaker and add 60 mg·L -1 Polyaluminum chloride, the coagulation stirring program is divided into 7 sections according to the speed, respectively: the first section is 30 seconds, the speed is 120r / min; the second section is 1 minute, the speed is 200r / min; the third section is 1 minute, the rotation speed is 180r / min; the fourth section is 2 minutes, the rotation speed is 140r / min; the fifth section is 4 minutes, the rotation speed is 90r / min; the sixth section is 4 minutes, the rotation speed is 50r / min; The segment is 4 minutes, and the rotating speed is 40r / min. Dosing 20mg·L after the end of the third stage of coagulation -1 Powdered activated carbon.
[0013] 2. After the coagulation stage is over, let it stand for 30 minutes, and take the supernatant to...
specific Embodiment approach 2
[0015] Specific embodiment two: the water treatment method for removing petroleum pollutants in raw water in this embodiment is carried out according to the following method:
[0016] 1. Take 1L of raw water into a 1L beaker and add 40 mg·L -1 Polyaluminum chloride, the coagulation stirring program is divided into 7 sections according to the speed, respectively: the first section is 30 seconds, the speed is 120r / min; the second section is 1 minute, the speed is 200r / min; the third section is 1 minute, the rotation speed is 180r / min; the fourth section is 2 minutes, the rotation speed is 140r / min; the fifth section is 4 minutes, the rotation speed is 90r / min; the sixth section is 4 minutes, the rotation speed is 50r / min; The segment is 4 minutes, and the rotating speed is 40r / min. Dosing 40mg·L after the end of the third stage of coagulation -1 Powdered activated carbon.
[0017] 2. After the coagulation stage is over, let it stand for 30 minutes, and take the supernatant to...
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