Preparation method of novel liquid-state nano complex flocculant
A flocculant, liquid technology, applied in the field of preparation of new liquid nano-complex flocculants, to achieve the effect of improved treatment efficiency, sufficient reaction, and good sewage treatment effect
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[0031] A method for preparing a novel liquid nano-complex flocculant, comprising the following steps:
[0032] Step 1: using waste liquid containing hydrochloric acid, corroded aluminum, and oxidized iron discharged from the production process as raw materials, performing stirring treatment, and reacting to form a mixture solution of aluminum trichloride and ferric chloride;
[0033] Step 2: re-add sodium hydroxide solution to the mixture solution of aluminum trichloride and ferric chloride generated by the reaction, adjust to a certain pH value, and then let it stand for a period of time to obtain a polyaluminum ferric chloride solution.
[0034] The method also includes step three: adding the obtained polyaluminum ferric chloride solution into organic cationic macromolecular products to form a composite nano flocculant.
[0035] The specific step of step 1 is to gradually add corroded aluminum and oxidized iron to the waste liquid containing hydrochloric acid at 65°C to 75°C...
Embodiment 1
[0044] A method for preparing a novel liquid nano-complex flocculant, comprising the following steps:
[0045] Step 1: using waste liquid containing hydrochloric acid, corroded aluminum, and oxidized iron discharged from the production process as raw materials, performing stirring treatment, and reacting to form a mixture solution of aluminum trichloride and ferric chloride;
[0046] Step 2: re-add the sodium hydroxide solution to the mixture solution of aluminum trichloride and ferric chloride generated by the reaction, adjust to a certain pH value, and then let it stand for a while to obtain a polyaluminum ferric chloride solution to form a composite Nano flocculants.
Embodiment 2
[0048] A method for preparing a novel liquid nano-complex flocculant, comprising the following steps:
[0049] Step 1: using waste liquid containing hydrochloric acid, corroded aluminum, and oxidized iron discharged from the production process as raw materials, performing stirring treatment, and reacting to form a mixture solution of aluminum trichloride and ferric chloride;
[0050] Step 2: re-add sodium hydroxide solution to the mixture solution of aluminum trichloride and ferric chloride generated by the reaction, adjust to a certain pH value, and then let it stand for a period of time to obtain a polyaluminum ferric chloride solution.
[0051] Step 3: adding the obtained polyaluminum ferric chloride solution to organic cationic polymer products to form a composite nano flocculant.
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