Novel heterogeneous Fenton-like reaction catalyst and synthesis method thereof
A Fenton reaction and catalyst technology, which is applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as a large amount of acid and alkali wastewater and threats to environmental safety
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Embodiment 1
[0048] A kind of preparation method of heterogeneous Fenton reaction catalyst comprises the following steps:
[0049] Mix and stir MXene solution (7.34mL), fumed silica (0.4g) for 1h to obtain pure black solution 1; weigh the metal salt Co(NO 3 ) 2 ·6H 2 O (0.1g) was added to solution 1 and mixed and stirred for 1h to obtain solution 2; solution 2 was vacuum freeze-dried for 24h to obtain dry powder 1; template agent TPABr (0.24g), aluminum source NaAlO2 (0.01g), Na 2 SiO 3 9H 2 O (1.3g), NH 4 Cl (0.48g) was added to powder 1, mixed and ground to obtain powder 2; powder 2 was introduced into the reactor, sealed and heated at a heating temperature of 180°C, and the crystallization time was 72h; the reacted products were washed and dried (105°C ) and roasting (550° C.) to obtain the heterogeneous Fenton-like catalyst Co / MXene / ZSM-5, X-ray diffraction (XRD) test see figure 1 , SEM morphology see figure 2 , in the present embodiment, the effect of catalyst catalyzing PMS t...
Embodiment 2
[0051] Mix and stir MXene solution (7.34mL), fumed silica (0.4g) for 1h to obtain pure black solution 1; weigh metal salt FeSO 4 ·7H 2 O (0.1674g) was added to solution 1 and mixed and stirred for 1h to obtain solution 2; solution 2 was vacuum freeze-dried for 24h to obtain dry powder 1; template agent TPABr (0.24g), aluminum source NaAlO 2 (0.01g), Na 2 SiO 3 9H 2 O (1.3g), NH 4 Cl (0.48g) was added to powder 1, mixed and ground to obtain powder 2; powder 2 was introduced into the reactor, sealed and heated at a heating temperature of 180°C, and the crystallization time was 72h; the reacted products were washed and dried (105°C ) and roasting (550° C.) to obtain the heterogeneous Fenton-like catalyst Fe / MXene / ZSM-5, the XRD phase result is the same as that of Example 1, and the SEM morphology is shown in image 3 , in the present embodiment, the effect of catalyst catalyzing PMS to degrade phenol is as follows Figure 5 shown.
Embodiment 3
[0053] Mix and stir MXene solution (7.34mL), fumed silica (0.4g) for 1h to obtain pure black solution 1; weigh metal salt FeSO 4 ·7H 2 O (0.1674g) was added to solution 1 and mixed and stirred for 1h to obtain solution 2; solution 2 was vacuum freeze-dried for 24h to obtain dry powder 1; template agent TPABr (0.034g), Na 2 SiO 3 9H 2 O (1.3g), NH 4 Cl (0.48g) was added to powder 1, mixed and ground to obtain powder 2; powder 2 was introduced into the reactor, sealed and heated at a heating temperature of 180°C, and the crystallization time was 72h; the reacted products were washed and dried (105°C ) and roasting (550° C.) to obtain the heterogeneous Fenton-like catalyst Fe / MXene / ZSM-5, the XRD phase result is the same as that of Example 1, and the SEM morphology is shown in Figure 4 , in the present embodiment, the effect of catalyst catalyzing PMS to degrade phenol is as follows Figure 5 shown.
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