Method for efficiently degrading carbamazepine
An efficient and purposeful technology, applied in the field of high-efficiency degradation of carbamazepine, can solve problems such as inability to concentrate the product into dry matter, and achieve the effects of avoiding high cost of recovery technology, easy and simple recovery process, and low operating cost.
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Embodiment 1
[0024] Embodiment 1: The method of this efficient degradation carbamazepine is as follows:
[0025] (1) Place the waste lithium-ion battery in a NaCl solution with a mass concentration of 5% for immersion and discharge for 24 hours, then dry the waste lithium-ion battery, manually disassemble and peel off to obtain the positive electrode sheet;
[0026] (2) Cut the positive electrode sheet into a size of 4cm×5cm, put it into a crucible, and then place it in a muffle furnace. After reacting at 600°C (10°C / min) for 5h, take out the positive electrode, peel off the load on the positive electrode, and grind , namely LiCoO 2 catalyst;
[0027] (3) LiCoO 2 Catalysts for the treatment of carbamazepine solutions by LiCoO 2 The catalyst addition amount is 0.8g / L, the catalyst is added to the carbamazepine solution with a concentration of 2.5mg / L, and the addition amount of sodium bisulfite is 1mmol / L, 2mmol / L, 5mmol / L, 10mmol / L , degraded at 20-30°C for 60 minutes, took samples eve...
Embodiment 2
[0028] Embodiment 2: the method of this efficient degradation carbamazepine is as follows:
[0029] (1) Place the waste lithium-ion battery in a NaCl solution with a mass concentration of 4% for immersion and discharge for 24 hours, then dry the waste lithium-ion battery, manually disassemble and peel off to obtain the positive electrode sheet;
[0030] (2) Cut the positive electrode sheet into a size of 4cm×5cm, put it in a crucible, and then place it in a muffle furnace. After reacting at 650°C (10°C / min) for 5h, take out the positive electrode, peel off the load on the positive electrode, and grind , namely LiCoO 2 catalyst;
[0031] (3) LiCoO 2 Catalysts for the treatment of carbamazepine solutions by LiCoO 2 The amount of catalyst added is 0.4g / L, 0.6g / L, 0.8g / L, and 1.0g / L respectively. The catalyst is added to the carbamazepine solution with a concentration of 2.5mg / L. The amount of sodium bisulfite added 1mmol / L, degraded at 20-30°C for 60min, took samples every 10...
Embodiment 3
[0032] Embodiment 3: the method of this efficient degradation carbamazepine is as follows:
[0033] (1) Place the waste lithium-ion battery in a NaCl solution with a mass concentration of 6% for immersion and discharge for 24 hours, then dry the waste lithium-ion battery, manually disassemble and peel off to obtain the positive electrode sheet;
[0034] (2) Cut the positive electrode sheet into a size of 4cm×5cm, put it into a crucible, then place it in a muffle furnace, react at 660°C (10°C / min) for 5h, take out the positive electrode, peel off the load on the positive electrode, and grind , namely LiCoO 2 catalyst;
[0035] (3) LiCoO 2 Catalyst is used for processing carbamazepine solution, by 0.8g / L LiCoO 2 The catalyst was added to the carbamazepine solution with a concentration of 2.5mg / L, 5mg / L, 7.5mg / L, and 10mg / L respectively, and the amount of sodium bisulfite added was 1mmol / L, and the degradation reaction was carried out at 20-30°C for 60min , take samples at in...
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