Preparation method and application of natural trass-sodium alginate composite microsphere water body purification material
A technology of sodium alginate and composite microspheres, applied in chemical instruments and methods, inorganic chemistry, alkali metal compounds, etc., can solve problems such as solid-liquid separation difficulties, mud-water mixing, etc.
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Embodiment 1
[0028] (1) Natural volcanic slag pretreatment process:
[0029] Weigh 0.5 kg of natural volcanic slag from Huinan District, Jilin Province, place it in deionized water, shake and wash it thoroughly, drain it, and dry it in an electric drying oven at 100°C for 5 hours, then mechanically crush it, and pass it through a 200-mesh sieve for later use.
[0030] (2) Prepare 2.0% sodium alginate solution (mass percentage):
[0031] Add 500mL of deionized water into the glass beaker in advance, then place it on an electric stirrer, quickly pour in 10.0g of sodium alginate solid weighed under the heating condition of 50°C, and stir at a speed of 500r / min until the solution is clear Transparent, then use 100% power to sonicate for 3 minutes to remove air bubbles that may exist in the solution.
[0032] (3) Preparation of 0.2mol / L calcium chloride solution:
[0033] Accurately weigh 22.198g of anhydrous calcium chloride solid into a 500mL glass beaker, add an appropriate amount of secon...
Embodiment 2
[0042] (1) Natural volcanic slag pretreatment process:
[0043] Weigh 0.5 kg of natural volcanic slag from Huinan District, Jilin Province, place it in deionized water, shake and wash it thoroughly, drain it, and dry it in an electric drying oven at 100°C for 5 hours, then mechanically crush it, and pass it through a 200-mesh sieve for later use.
[0044] (2) Prepare 0.5% sodium alginate solution (mass percentage):
[0045] Add 500mL deionized water into the glass beaker in advance, then place it on an electric stirrer, quickly pour 2.5g of sodium alginate solid weighed under the condition of heating at 50°C, and stir fully at a speed of 500r / min until the solution is clear Transparent, then use 100% power to sonicate for 3 minutes to remove air bubbles that may exist in the solution.
[0046] (3) Preparation of 0.05mol / L calcium chloride solution:
[0047] Accurately weigh 5.549g of anhydrous calcium chloride solid into a 100mL glass beaker, add an appropriate amount of sec...
Embodiment 3
[0058] (1) Natural volcanic slag pretreatment process:
[0059] Weigh 0.5 kg of natural volcanic slag from Huinan District, Jilin Province, place it in deionized water, shake and wash it thoroughly, drain it, and dry it in an electric drying oven at 100°C for 5 hours, then mechanically crush it, and pass it through a 200-mesh sieve for later use.
[0060] (2) Prepare 2.0% sodium alginate solution (mass percentage):
[0061] Add 500mL of deionized water into the glass beaker in advance, then place it on an electric stirrer, quickly pour in 10.0g of sodium alginate solid weighed under the heating condition of 50°C, and stir at a speed of 500r / min until the solution is clear Transparent, then use 100% power to sonicate for 3 minutes to remove air bubbles that may exist in the solution.
[0062] (3) Preparation of 0.2mol / L calcium chloride solution:
[0063] Accurately weigh 22.198g of anhydrous calcium chloride solid into a 500mL glass beaker, add an appropriate amount of secon...
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