Preparation method of efficient wetting purifying agent and application thereof to environment purification
A kind of purification agent and high-efficiency technology, applied in the field of environmental purification, can solve the problems of non-suspension, complex carrier, and difficulty in mixing uniformly, and achieve the effect of easy immobilization operation, stable chemical properties, and good mass transfer performance
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Embodiment 1
[0045] A preparation method of a wetting water body purifying agent, comprising the steps of:
[0046] (1) Preparation of carrier particles: the carrier is a macroporous mesoporous silica carrier with interconnected and penetrating pore structures, and connected pore windows of 1-10 μm are attached to the pore walls, and the pore walls are composed of mesoporous morphology structures;
[0047] (2) Reduction-sulfurization of the carrier: place the carrier in a corundum cup in a vacuum tube furnace, ventilate it with argon gas, and then switch the gas path to 3vol.H 2 / Ar mixture, warm up to 570 o C, the time is 1.25h, naturally cool down to 250 o After C, after argon is evacuated, CS is introduced 2 gas to 13 o C / min increased to 700 o C, keep the temperature for 1.5h, cool down to room temperature naturally, form sulfur-oxygen bonds on the surface of the silica carrier, and serve as the adsorption sites for the culture medium sulfur bacteria.
[0048] (3) Prepare sulfur-o...
Embodiment 2-3
[0055] The preparation method is consistent with Example 1, except that sodium alginate (SA), polyethylene glycol (PVA), calcium chloride (CaCl 2 ) are used in different amounts, see Table 1 for details, named S-2 and S-3.
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