Production technology of high-efficiency high-concentration polymeric ferric sulfate
A technology of polymerized ferric sulfate and production process, which is applied in ferric sulfate, water/sewage treatment, flocculation/sedimentation water/sewage treatment, etc. It can solve the problems of high active ingredients and lack of promotion in the liquid market, and achieve product quality indicators Improve and promote the effect of synergistic polymerization, concentration and purification, and simple technical process
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Embodiment 1
[0033] Step 1: Add an appropriate amount of water into the enamel reaction kettle with a stirring device, start stirring, and slowly add 98 parts of industrial waste sulfuric acid to the water according to the ratio under normal pressure, and stir until the dilution is uniform. Adjust the ratio of industrial waste sulfuric acid to 40-45% waste sulfuric acid dilution; sampling test;
[0034] Step 2: Under stirring, add the waste sulfuric acid dilution solution obtained in Step 1 into the acid-resistant polymerization reaction vessel heated by steam, start stirring, and slowly add 35 parts of iron oxide red to it according to the proportion. After the addition is completed, control The temperature of the reaction system is 105-120°C, and the reaction is kept under normal pressure for 3 hours; the density of the feed liquid is adjusted to 1.48g / ml with water, and then 4 parts of synergist trisodium phosphate are added, and the temperature of the reaction system is controlled at 10...
Embodiment 2
[0039] Step 1: Add an appropriate amount of water into the enamel reaction kettle with a stirring device, start stirring, and slowly add 105 parts of industrial waste sulfuric acid to the water according to the ratio under normal pressure, and stir until the dilution is uniform. Adjust the ratio of industrial waste sulfuric acid to 40-45% waste sulfuric acid dilution; sampling test;
[0040] Step 2: Under stirring, add the waste sulfuric acid dilution obtained in Step 1 into the acid-resistant polymerization reaction vessel heated by steam, start stirring, and slowly add 45 parts of iron oxide red to it according to the proportion. After the addition is completed, control The temperature of the reaction system is 105-120°C, and the reaction is kept under normal pressure for 3 hours; the density of the material liquid is adjusted to 1.49g / ml with water, and then 5 parts of synergist trisodium phosphate are added, and the temperature of the reaction system is controlled at 100-11...
Embodiment 3
[0045] Step 1: Add an appropriate amount of water into the enamel reaction kettle with a stirring device, start stirring, and slowly add 90 parts of industrial waste sulfuric acid into the water according to the ratio under normal pressure, and stir until the dilution is uniform. Adjust the ratio of industrial waste sulfuric acid to 40-45% waste sulfuric acid dilution; sampling test;
[0046] Step 2: Under stirring, add the waste sulfuric acid dilution obtained in Step 1 into the acid-resistant polymerization reaction vessel heated by steam, start stirring, and slowly add 30 parts of iron oxide red to it according to the proportion. After the addition is completed, control The temperature of the reaction system is 105-120°C, and the reaction is kept under normal pressure for 3 hours; the density of the feed liquid is adjusted to 1.46g / ml with water, and then 3 parts of synergist trisodium phosphate are added, and the temperature of the reaction system is controlled at 100-115°C...
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