Adsorbent composition for removing heavy metal ions in industrial wastewater
A technology for heavy metal ions and industrial wastewater, applied in the direction of water pollutants, adsorption water/sewage treatment, water/sewage treatment, etc., can solve the problems of recycling and high operating costs, short service life, large adsorption capacity, etc., to achieve excellent Adsorption function, low cost, and high adsorption efficiency
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[0037] In the present embodiment, the preparation method of described adsorbent composition comprises the following steps:
[0038] (1) Mix the nano ferric ferric oxide and the lipase solution and adjust the pH of the mixture to 6.0-7.0, then place the mixture at about 25° C. and stir for at least 1 hour;
[0039] (2) Add sodium humate and chitosan to the mixture obtained in step (1), continue stirring for at least 30min, then add zeolite powder, sodium carboxymethyl starch, polyaluminum chloride, sepiolite powder and wheat Rice stone powder, mix well.
Embodiment 1
[0042] The adsorbent composition used to remove heavy metal ions in industrial wastewater in this example, the raw materials of the adsorbent composition include the following components: 25 parts of nano ferric oxide, 39 parts of lipase liquid, sodium humate 10 parts, 11 parts of medical stone powder, 12 parts of sodium starch glycolate, 11 parts of polyaluminum chloride, 6 parts of chitosan, 7 parts of sepiolite powder, and 6 parts of zeolite powder.
[0043] In this embodiment, the lipase liquid is prepared by mixing the lipase liquid produced by the secretion of Pseudomonas fluorescens and the lipase liquid produced by the secretion of Pseudomonas aeruginosa in a mass ratio of 3:2;
[0044] in:
[0045] The cultivation method of Pseudomonas fluorescens and Pseudomonas aeruginosa comprises the steps:
[0046] (1) Preparation of beef extract liquid medium: Weigh 30g of beef extract, 15g of peptone and 15g of sodium chloride and dissolve in 1000mL distilled water, adjust ph=...
Embodiment 2
[0063] The adsorbent composition used for removing heavy metal ions in industrial waste water in the present embodiment, the raw material of described adsorbent composition comprises the following components: 23 parts of nano iron ferric oxide, 42 parts of lipase liquid, sodium humate 8 parts, 12 parts of medical stone powder, 11 parts of sodium starch glycolate, 12 parts of polyaluminum chloride, 5 parts of chitosan, 8 parts of sepiolite powder, and 5 parts of zeolite powder.
[0064] In the present embodiment, the lipase liquid produced by the secretion of Pseudomonas fluorescens and the lipase liquid produced by Pseudomonas aeruginosa are mixed in a mass ratio of 3:2; wherein, Pseudomonas fluorescens And the culture method of Pseudomonas aeruginosa and the extraction method of its lipase liquid are the same as embodiment one.
[0065] In this example:
[0066] The dry content of humic acid in the sodium humate is ≥55%;
[0067] The active substance content in the sodium c...
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