Micro-porous corundum aeration head for catalytic ozonation, and manufacturing method thereof
A technology of ozone oxidation and manufacturing method, applied in chemical instruments and methods, oxidized water/sewage treatment, water/sewage treatment and other directions, can solve the problems of low utilization rate of ozone and catalyst, and achieve good popularization and application value, compressive strength High, evenly distributed effect
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Embodiment 1
[0042] Step 1. Pass the corundum sand through a 100-mesh sieve, take 900g of the under-sieve part, and take 50g of a binder. The binder is made by mixing 12.5g of clay, 35g of feldspar and 2.5g of zeolite that have passed through a 100-mesh sieve. Put the corundum sand and The binder is mixed evenly to make a mixture one;
[0043] Step 2. Mix 3g of sodium carboxymethylcellulose, 25g of ferric nitrate and 22g of chromium nitrate to make mixture 2, then add 24mL of water to make glue; mix mixture 1 with glue and stir well, then pour Pressed into a blank in a mold;
[0044] Step 3, putting the blank into a muffle furnace for roasting. The roasting temperature control process is as follows: the heating rate within 10 hours is 14°C / hour; the heating rate is 26°C / hour in the 11th to 20th hour, and then kept for 3 hours; the heating rate in the 24th to 33rd hour is 40°C / hour, The heating rate for the 34th to 43rd hour is 24°C / hour, the heating rate for the 44th to 53rd hour is 10°C...
Embodiment 2
[0047] Step 1. Pass the corundum sand through the 80-mesh sieve, take 840g of the under-sieve part, and take 90g of the binder, which is made by mixing 16.2g of clay, 67.5g of feldspar, and 6.3g of zeolite that have passed through the 200-mesh sieve. Mix well with binder to make mixture one.
[0048] Step 2. Mix 9g of cyclodextrin, 5g of copper acetate and 5g of cerium ammonium nitrate evenly to make mixture 2, then add 45mL of water to make glue; mix mixture 1 with glue and stir well, then pour into the mold pressed into blanks;
[0049] Step 3, putting the blank into a muffle furnace for roasting. The roasting temperature process is controlled as follows: the heating rate within 10 hours is 15°C / hour; the heating rate of the 11th to 20th hour is 24°C / hour, and then kept for 3 hours; the heating rate of the 24th to 33rd hour is 42°C / hour, The heating rate for the 34th to 43rd hour is 25°C / hour, the heating rate for the 44th to 53rd hour is 9°C / hour, the heating rate for the...
Embodiment 3
[0052] Step 1. Pass the corundum sand through a 200-mesh sieve, take 700g of the lower part of the sieve, and take 200g of a binder. The binder is made by mixing 46g of clay, 146g of feldspar, and 8g of zeolite that have passed through a 200-mesh sieve. Put the corundum sand and the binder Mix well to make mixture one.
[0053] Step 2. Mix 3g of cyclodextrin, 3g of sodium carboxymethylcellulose, 70g of manganese acetate and 24g of molybdenum nitrate to make mixture 2, then add 40mL of water to make glue; mix mixture 1 with the glue and stir well uniform, then poured into a mold and pressed into a blank;
[0054] Step 3, putting the blank into a muffle furnace for roasting. The roasting temperature process is controlled as follows: the heating rate in 10 hours is 16°C / hour; the heating rate in the 11th to 20th hours is 25°C / hour, and then kept for 3 hours; the heating rate in the 24th to 33rd hours is 38°C / hour, The heating rate for the 34th to 43rd hour is 26°C / hour, the hea...
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