Method of removing tetrahydrofurfuryl alcohol from waste water in production of high temperature reactor fuel elements
A technology of fuel element and tetrahydrofurfuryl alcohol, which is applied in the field of removal of tetrahydrofurfuryl alcohol in high-temperature reactor fuel element production wastewater, can solve problems such as secondary pollution, and achieve the effect of ensuring smooth progress, good economy, and reducing the amount of radioactive waste
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Embodiment 1
[0014] The wastewater volume is 100mL, the initial COD is 22354.6mg / L, and when the dosage of activated carbon is 1g and 5g respectively, after 60min of adsorption, the COD removal rates are 24.5% and 35.9%, respectively. That is to say, with the increase of activated carbon dosage, the removal rate of COD in wastewater showed an increasing trend. The adsorption capacity of activated carbon can reach 547.4mg / L.
Embodiment 2
[0016] The volume of wastewater is 100mL, the initial COD is 22354.6mg / L, and the dosage of activated carbon is 5g. After adsorption for 10min, 20min and 120min, the removal rate of COD is 31.6%, 33.2%, 36.9%, that is, the activated carbon adsorption treatment wastewater Tetrahydrofurfuryl alcohol has the advantages of fast speed and short adsorption time.
Embodiment 3
[0018] The wastewater volume is 100mL, the initial COD is 2083.2, 5318.0, 11018.7 and 22354.6mg / L respectively, and the dosage of activated carbon is 5g. After 120min of adsorption, the COD removal rates are 79.9%, 75.1%, 65.9% and 36.9%, respectively. . It shows that the lower the initial COD concentration in wastewater, the higher the removal rate under the same conditions. It is easy to see that after the wastewater is adsorbed by multi-stage activated carbon, the total removal rate of COD can be close to 100%.
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