A kind of water residual chlorine adsorbent and preparation method thereof
An adsorbent and residual chlorine technology, applied in chemical instruments and methods, adsorption water/sewage treatment, water pollutants, etc., can solve problems such as corrosion bearing structure, low removal efficiency, affecting water taste and odor, etc., and achieve reduction Residual chlorine concentration, the effect of reducing the risk of cancer
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Embodiment 1
[0027] A kind of preparation method of water residual chlorine adsorbent, concrete steps are as follows:
[0028] S1. Grind diopside and diatomite in a ball mill respectively, pass through a 200-mesh sieve, and then dry in an oven at 90 to 110°C to constant weight to obtain diopside powder and diatomite powder; diopside The powder and diatomaceous earth powder are mixed in a mass ratio of 1:4 to obtain a mixture;
[0029] S2. Put the mixture in step S1. into a porcelain crucible, then put it into a muffle furnace and calcinate at 700° C. for 100 min, and cool naturally to obtain a pre-calcined product;
[0030] S3. Put the pre-calcined product of step S2. into a porcelain crucible, then put it into a muffle furnace for calcination at a temperature of 1000° C. for 50 minutes, and cool naturally to obtain an adsorbent for residual chlorine in water.
Embodiment 2
[0032] The concrete steps of the method for preparing water residual chlorine adsorbent in the present embodiment are as follows:
[0033] S1. Grind diopside and diatomite in a ball mill respectively, pass through a 200-mesh sieve, and then dry in an oven at 90 to 110°C to constant weight to obtain diopside powder and diatomite powder; diopside The powder and diatomaceous earth powder are mixed in a mass ratio of 1:3 to obtain a mixture;
[0034] S2. Put the mixture in step S1. into a porcelain crucible, then put it into a muffle furnace and calcinate at 800° C. for 100 min, and cool naturally to obtain a pre-calcined product;
[0035] S3. Put the pre-calcined product of step S2. into a porcelain crucible, then put it into a muffle furnace for calcination at a temperature of 900° C. for 50 minutes, and cool naturally to obtain an adsorbent for residual chlorine in water.
Embodiment 3
[0037] The concrete steps of the method for preparing water residual chlorine adsorbent in the present embodiment are as follows:
[0038] S1. Grind diopside and diatomite in a ball mill respectively, pass through a 200-mesh sieve, and then dry in an oven at 90 to 110°C to constant weight to obtain diopside powder and diatomite powder; diopside The powder and diatomaceous earth powder are mixed at a mass ratio of 1:5 to obtain a mixture;
[0039] S2. Put the mixture in step S1. into a porcelain crucible, then put it into a muffle furnace and calcinate at 800° C. for 120 minutes, and cool naturally to obtain a pre-calcined product;
[0040] S3. Put the pre-calcined product of step S2. into a porcelain crucible, then put it into a muffle furnace for calcination at a temperature of 900° C. for 70 minutes, and cool naturally to obtain an adsorbent for residual chlorine in water.
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