Wool fiber metal complex photocatalyst and preparation method thereof
A metal complex, wool fiber technology, applied in the field of wool fiber metal complex photocatalyst and preparation thereof, can solve the problems of not easily biodegradable synthetic fibers, complicated catalyst preparation process, protection of unfavorable ecological environment, etc. Conducive to industrialization, easy operation, good catalytic performance
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Embodiment 1
[0027] 1. Pretreatment process: at room temperature and under agitation, first use a nonionic surfactant aqueous solution with a concentration of 2.0g / L to wash and treat the wool fiber for 10 minutes, then take it out, then wash it with distilled water for 5 times, and finally wash it with It can be dried under vacuum at 50°C;
[0028] 2. Preparation of iron-copper metal ion mixed solution: use copper sulfate and ferric chloride to prepare a mixed metal ion aqueous solution with a molar concentration of 0.10 mol / L, and the molar concentration ratio of iron ions and copper ions in the mixed aqueous solution is required to be 1: 0.33, that is, the volume concentration of ferric chloride aqueous solution and copper sulfate aqueous solution is 0.075mol / L and 0.025mol / L respectively. Then the resulting mixed aqueous solution was left to stand for 2-5 hours, and filtered for subsequent use;
[0029] 3. Coordination reaction between wool fibers and metal ions: immerse the wool fibe...
Embodiment 2
[0033] 1. The process is the same as Step 1 in Example 1 respectively.
[0034] 2. The molar concentration ratio of iron ion and copper ion in the mixed aqueous solution of metal ions is adjusted to 1: 1, that is, the volume concentration of ferric chloride aqueous solution and copper sulfate aqueous solution is 0.05mol / L and 0.05mol / L respectively. All the other are with 2 in embodiment 1.
[0035] 3. The process is the same as step 3 in Example 1 respectively.
[0036] 4. The process is the same as step 4 in Example 1 respectively. The obtained yellow-green wool fiber metal complex catalyst is abbreviated as Cu-Fe-wool-2. After measurement and calculation: the contents of iron ions and copper ions in the catalyst Cu-Fe-ALG-2 are 30.46mg / g and 23.37mg / g respectively.
Embodiment 3
[0038] 1. The process is the same as Step 1 in Example 1 respectively.
[0039] 2. The molar concentration ratio of iron ion and copper ion in the mixed aqueous solution of metal ions is adjusted to 1: 3, that is, the volume concentration of ferric chloride aqueous solution and copper sulfate aqueous solution is 0.025mol / L and 0.075mol / L respectively. All the other are with 2 in embodiment 1.
[0040] 3. The process is the same as step 3 in Example 1 respectively.
[0041] 4. The process is the same as step 4 in Example 1 respectively. The obtained yellow-green wool fiber metal complex catalyst is abbreviated as Cu-Fe-Wool-3. After measurement and calculation: the contents of iron ions and copper ions in the catalyst Cu-Fe-ALG-3 are 41.35mg / g and 37.35mg / g respectively.
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