Multi-layer rotating disc thin-layer chemical reactor and using method thereof
A rotating disk and reactor technology, applied in chemical instruments and methods, chemical/physical/physicochemical stationary reactors, separation methods, etc., can solve problems such as insufficient mixing reactions, facilitate processing, and enhance mass transfer rate , the effect of reducing the pressure drop
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[0051] Example 1
[0052] First prepare the stock solution, add CuSO 4 ·5H 2 O and Fe 2 (SO 4 ) 3 Dissolved in deionized water, the concentration is Cu 2+ =1.0 g / l, Fe 3+ =3.0 g / l aqueous solution, adjust its pH to 1.8 with sulfuric acid; at the same time, use Lix985 copper extractant and sulfonated kerosene to prepare an organic phase with a volume fraction of 20%. Equipment parameters: single-layer rotating disk reactor, the angle of the inner turntable 4 is 10°, the diameter of the inner turntable 4 is 300mm, and the distance between the two disks is 10mm.
[0053] Test conditions: the rotating speed of the inner turntable 4 is 350r / min; the flow rate of the organic phase is 1200mL / min, the flow rate of the water phase is 580mL / min, and the temperature is 20°C.
[0054] Test results: The content of copper and iron ions in the raffinate was analyzed by ICP, and the copper extraction rate was calculated to reach 99.9%, while iron ions were hardly extracted into the organic phase.
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[0055] Example 2
[0056] First prepare the stock solution, add In 2 (SO 4 ) 3 , ZnSO 4 ·7H 2 O and Fe 2 (SO 4 ) 3 Dissolved in deionized water, the concentration is In 2+ =1.0 g / L, Zn3+=3.0g / L, Fe 3+ =5.0 g / L aqueous solution, adjust its pH to 1.8 with sulfuric acid; at the same time, use P204 extractant and sulfonated kerosene to prepare an organic phase with a volume fraction of 30%. Equipment parameters: a three-layer rotating disk reactor, the angle of the inner turntable 4 is 90°, the diameter of the inner turntable 4 is 1m, and the distance between the two disks is 5mm.
[0057] Test conditions: the rotating speed of the inner turntable 4 is 500r / min; the flow rate of the organic phase is 10L / min, the flow rate of the water phase is 5L / min, and the temperature is 20°C.
[0058] Test results: The content of copper and iron ions in the raffinate was analyzed by ICP, and the In extraction rate was calculated to reach 99.9%, the iron ion extraction rate was 1.53%, and the zinc ext...
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[0059] Example 3
[0060] A pilot test for denitrification was carried out for the flue gas produced in an iron ore sintering workshop after dust removal and desulfurization, and the prepared absorption liquid was 0.05mol / L NaOH and 0.05mol / LH 2 O 2 100m 3 ;
[0061] Equipment parameters: layered rotating disk reactor, the angle of the inner turntable 4 is 90°, the diameter of the inner turntable 4 is 1.5 m, and the distance between the two disks is 15 mm.
[0062] Test conditions: the rotating speed of the inner turntable 4 is 600r / min; the NOx flow rate is 1200m 3 / h The flow rate of the water phase of the absorption liquid is 5L / min, the two phases are in countercurrent contact and mixing, the temperature is about 30℃, and the continuous test is 24h.
[0063] The test results are: the average NOx absorption efficiency can reach more than 90%, the average NOx content before denitration operation is 830ppm, and the average NOx content of the flue gas after denitration using this devi...
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