Efficient water purifying agent not needing to be recovered and application of efficient water purifying agent
A purifying agent and water technology, which is applied in the field of environmental purification, can solve the problems of inability to suspend, the carrier is complex, and the mixing is difficult, and achieves the effects of easy immobilization operation, stable chemical properties, and good mass transfer performance.
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[0044] The preparation method of the high-efficiency water body purifying agent without recovery is as follows:
[0045] (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;
[0046] (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.
[0047] (3...
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