Flocculating agent for treating printing and dyeing sewage and sewage treatment method
A technology for printing and dyeing sewage and sewage treatment, which is applied in water/sewage treatment, flocculation/sedimentation water/sewage treatment, adsorbed water/sewage treatment, etc. The effect of shortening standing and stratification time, fast settling effect and convenient use
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Embodiment 1
[0030] A flocculant for treating printing and dyeing sewage, specifically comprising the following raw materials in parts by weight,
[0031]
[0032] The magnetized ceramic particles include the following raw materials in parts by weight: ceramic blank Pb 3 o 4 : 70 parts; magnetizable material SrCO 3 : 4.5 parts; magnetizable material MnO 2 : 22.5 copies;
[0033] The preparation method of the magnetized ceramic particles is:
[0034] Step 1, ball milling: firstly mix the magnetizable material and the ceramic blank, and then add deionized water according to the ratio of material to liquid of 1:30; the ball milling time is 4 hours, pass through a 50-mesh sieve, and obtain ceramic slurry A;
[0035] Step 2. Pre-firing: Dry the ceramic slurry A at 120°C, crush it, pass through a 50-mesh sieve, raise the temperature to 1100°C at a rate of 2°C / min, keep it warm for 3 hours, and cool to obtain a pre-fired material;
[0036] Step 3, ball milling again: according to the mate...
Embodiment 2
[0042] A flocculant for treating printing and dyeing sewage, specifically comprising the following raw materials in parts by weight,
[0043]
[0044] The magnetized ceramic particles include the following raw materials in parts by weight: the same as in Example 1.
[0045] The preparation method of the magnetized ceramic particles is as follows: the same as in Example 1.
[0046] A kind of method that utilizes above-mentioned flocculant to carry out sewage treatment: with embodiment 1
Embodiment 3
[0048] A flocculant for treating printing and dyeing sewage, specifically comprising the following raw materials in parts by weight,
[0049]
[0050] The magnetized ceramic particles include the following raw materials in parts by weight: the same as in Example 1.
[0051] The preparation method of the magnetized ceramic particles is as follows: the same as in Example 1.
[0052] A method for sewage treatment using the above-mentioned flocculant: same as in Example 1.
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