Adsorbent for phosphoric acid
An adsorbent, phosphoric acid technology, applied in metabolic diseases, organic active ingredients, bulk transportation, etc., to achieve the effect of environmental safety and low cost
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manufacture example 1
[0037] [Manufacturing Example 1] (Preparation of trivalent iron alginic acid gel)
[0038] While stirring, use a roller pump to fill 500mL of 1% ferric chloride (FeCl 3 ) into the beaker of the aqueous solution at a rate of about 1 mL / s, drop 200 mL of 0.25% sodium alginate aqueous solution. When dripping, the diameter of the droplet is about 1 to 2 mm. This operation formed an almost spherical reactant gel with a diameter of about 1.5-3 mm. Move this gel to a sieve of about 300 μm, wash it with pure water until the color of the iron solution disappears completely, and obtain 52.2 g of the gel.
manufacture example 2
[0039] [Manufacturing Example 2] (Preparation of Trivalent Iron Pectin Gel)
[0040] While stirring, use a roller pump to fill 500mL of 1% ferric chloride FeCl 3 200mL of 0.25% pectin aqueous solution was dripped into the beaker of the aqueous solution at a rate of about 1mL / s. When dripping, the diameter of the droplet is about 1 to 2 mm. In this way, a reactant gel with a diameter of 1.5-3 mm and the appearance of red blood cells was formed. The gel was transferred to a sieve of about 300 μm, and washed with pure water until the color of the iron solution disappeared completely, and 51.3 g of the gel was obtained.
manufacture example 3
[0068] [Manufacturing Example 3] (Preparation of agar-impregnated dry matter of trivalent iron alginic acid gel)
[0069] Add 52.2 g of trivalent iron alginic acid gel prepared in Production Example 1 to 1000 mL of 0.1% agar solution kept at 60°C, and soak for 1 hour while stirring, then transfer the gel to a sieve of about 300 μm for use. Wash with 20 L of pure water at about 60°C, and then dry at a constant temperature at 60°C for 5 hours to obtain 0.53 g of agar-impregnated dry matter of trivalent iron alginic acid gel.
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