Compound and efficient flocculating agent, preparation method and application thereof
A coagulation and chemical technology, applied in chemical instruments and methods, flocculation/sedimentation water/sewage treatment, natural water treatment, etc. Wide range of use, less dosage of chemicals, good removal effect
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Embodiment 1
[0019] A kind of compound efficient coagulation agent, by volume, comprises 47% ferrous sulfate solution, 20% industrial sulfuric acid, 33% aluminum chloride solution, and the mass concentration of described ferrous sulfate solution is 25%, so The mass concentration of described aluminum chloride solution is 8%.
[0020] Its preparation method comprises the following steps:
[0021] (1) Ferrous sulfate is dissolved in water, is made into the solution that mass concentration is the concentration of 25%;
[0022] (2) solid aluminum chloride is dissolved in water, is made into the aluminum chloride solution that mass concentration is 8%;
[0023] (3) get prepared ferrous sulfate and aluminum chloride solution and all add reactor, add industrial sulfuric acid, mix;
[0024] (4) Oxygen is introduced into the reaction kettle, and the mixing reaction time is 3.5 hours. After the solution is cooled, it can be extracted from the reaction kettle.
[0025] The coagulant agent prepared...
Embodiment 2
[0027] A kind of compound efficient coagulation agent, by volume, comprises 45% ferrous sulfate solution, 20% industrial sulfuric acid, 35% aluminum chloride solution, and the mass concentration of described ferrous sulfate solution is 30%, so The mass concentration of described aluminum chloride solution is 5%.
[0028] Its preparation method comprises the following steps:
[0029] (1) Ferrous sulfate is dissolved in water, is made into the solution that mass concentration is the concentration of 30%;
[0030] (2) solid aluminum chloride is dissolved in water, is made into the aluminum chloride solution that mass concentration is 5%;
[0031] (3) get prepared ferrous sulfate and aluminum chloride solution and all add reactor, add industrial sulfuric acid, mix;
[0032] (4) Oxygen is passed into the reaction kettle, and the mixing reaction time is 4 hours. After the solution is cooled, it can be extracted from the reaction kettle.
[0033] The coagulant agent prepared in th...
Embodiment 3
[0035] A kind of compound efficient coagulation agent, by volume, comprises 46% ferrous sulfate solution, 19% industrial sulfuric acid, 35% aluminum chloride solution, and the mass concentration of described ferrous sulfate solution is 28%, so The mass concentration of the aluminum chloride solution is 6%.
[0036] Its preparation method comprises the following steps:
[0037] (1) Ferrous sulfate is dissolved in water, is made into the solution that mass concentration is the concentration of 28%;
[0038] (2) solid aluminum chloride is dissolved in water, is made into the aluminum chloride solution that mass concentration is 6%;
[0039] (3) get prepared ferrous sulfate and aluminum chloride solution and all add reactor, add industrial sulfuric acid, mix;
[0040] (4) Oxygen is passed into the reaction kettle, and the mixing reaction time is 5 hours. After the solution is cooled, it can be extracted from the reaction kettle.
[0041] The coagulant agent prepared in this exa...
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