双介质阻挡放电降解碘普罗胺的研究

STUDY OF DEGRADATION OF IOPROMIDE BY DOUBLE-DIELECTRIC BARRIER DISCHARGE

采用双介质阻挡放电等离子体反应釜处理碘普罗胺注射液的稀释液。考察了功率电源输入电压、电流、反应时间对碘普罗胺去除率的影响。在功率电源输入电压为50 V,电流为1.08 A,反应时间为10 min的条件下,碘普罗胺的去除率可达100%,而引入的NO3-只有5.757 4 mmol.L-1,并且可生化性(B/C)由原来的0.022 1提高到0.623 4。研究表明,双介质阻挡放电等离子体工艺可以有效去除具有生物惰性的碘普罗胺,提高含有碘普罗胺废水的可生化性。

Water contained iopromide injection was treated by double-dielectric barrier discharge plasma reactor.The effects of input voltage,current of power and reaction time on the removal of iopromide were studied.Under the conditions of input voltage of 50 V,input current of 1.08 A and the reaction time of 10 min,the removal rate of iopromide was 100%,the extra NO3-introduced to the solution was only 5.757 4 mmol·L-1,the biodegradability（B/C） of iopromide before and after treatment increased from 0.022 1 to 0.62 34.Those results showed that double-dielectric barrier discharge plasma process can effectively remove biologically refractory iopromide,the biodegradability of the water contained iopromide has been increased.