Method for removing volatile halocarbons in environment through chemical conversion
A chemical conversion, halogenated hydrocarbon technology, applied in the field of environmental engineering, can solve the problems of ineffective contact of pollutants, slow oxidation reaction, inability to carry current, etc., to achieve no secondary pollution, short repair period, and complete conversion. Effect
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[0044] Example 1
[0045] The effect of metal oxide on CCl at different temperatures 4 Removal effect
[0046] The metal oxide (Al 2 O 3 , SnO 2 , TiO 2 Etc.) Activate in a muffle furnace at 500°C for 4h, take 0.8g into a fixed bed reactor, and pass 1010ppm CCl 4 / N 2 Gas, gas flow rate 37.7ml / min, heating reaction at 200℃~400℃, CCl at different temperatures 4 The conversion rate is shown in Table 1.
[0047] Table 1 The effects of metal oxides on CCl at different temperatures 4 Removal effect
[0048]
Example Embodiment
[0049] Example 2
[0050] Composite metal oxide to CCl 4 Removal effect
[0051] Composite metal metal oxide Al 2 O 3 ·SnO 2 And Al 2 O 3 ·2SnO 2 Activate in a muffle furnace at 500°C for 4 hours, take 0.8 g into a fixed bed reactor, and pass 1010 ppm of CCl 4 / N 2 Gas, gas flow rate 37.7ml / min, heating reaction at 150℃~350℃, CCl at different temperatures 4 The conversion rate is shown in Table 2.
[0052] Table 2 Composite metal oxide to CCl 4 Removal effect
[0053]
Example Embodiment
[0054] Example 3
[0055] Type A molecular sieve for CCl 4 Removal effect
[0056] The type A molecular sieve (3A type, 4A type, 5A type) was activated in a muffle furnace at 500°C for 4 hours, 0.8 g was put into a fixed bed reactor, and 1010 ppm CCl was introduced 4 / N 2 Gas, gas flow rate 37.7ml / min, heating reaction at 150℃~300℃, CCl at different temperatures 4 The conversion rate is shown in Table 3.
[0057] Table 3 The effect of type A molecular sieve on CCl 4 Removal effect
[0058]
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