高电压技术
高電壓技術
고전압기술
HIGH VOLTAGE ENGINEERING
2010年
2期
461-466
,共6页
朱丽楠%郜冶%马军%王永军%任芝军%刘桂芳
硃麗楠%郜冶%馬軍%王永軍%任芝軍%劉桂芳
주려남%고야%마군%왕영군%임지군%류계방
高压脉冲电场%填充床%活性氧化铝%苯酚%气泡%能耗
高壓脈遲電場%填充床%活性氧化鋁%苯酚%氣泡%能耗
고압맥충전장%전충상%활성양화려%분분%기포%능모
pulsed high voltage electric field| packed bed%activated alumina%phenol%bubbles%energy consumption
为了能够进一步提高脉冲高压放电过程对于水中有机物的去除效果,考察了在放电反应器内添加活性氧化铝和玻璃珠颗粒后对于水中苯酚的降解效果.这些颗粒催化剂被待处理苯酚溶液淹没,并在反应器内通入气体.实验结果表明在不同的放电电压下添加了活性氧化铝后,苯酚的去除率都有所提高,并且随着电压的增加,苯酚的去除率逐渐增加.在反应器内通入氧气后,苯酚的降解率明显上升.在放电电极之间添加了活性氧化铝颗粒之后,催化降解了更多的苯酚,并且改善了电极之间的放电条件,减少了能量损失,提高了能量利用效率.
為瞭能夠進一步提高脈遲高壓放電過程對于水中有機物的去除效果,攷察瞭在放電反應器內添加活性氧化鋁和玻璃珠顆粒後對于水中苯酚的降解效果.這些顆粒催化劑被待處理苯酚溶液淹沒,併在反應器內通入氣體.實驗結果錶明在不同的放電電壓下添加瞭活性氧化鋁後,苯酚的去除率都有所提高,併且隨著電壓的增加,苯酚的去除率逐漸增加.在反應器內通入氧氣後,苯酚的降解率明顯上升.在放電電極之間添加瞭活性氧化鋁顆粒之後,催化降解瞭更多的苯酚,併且改善瞭電極之間的放電條件,減少瞭能量損失,提高瞭能量利用效率.
위료능구진일보제고맥충고압방전과정대우수중유궤물적거제효과,고찰료재방전반응기내첨가활성양화려화파리주과립후대우수중분분적강해효과.저사과립최화제피대처리분분용액엄몰,병재반응기내통입기체.실험결과표명재불동적방전전압하첨가료활성양화려후,분분적거제솔도유소제고,병차수착전압적증가,분분적거제솔축점증가.재반응기내통입양기후,분분적강해솔명현상승.재방전전겁지간첨가료활성양화려과립지후,최화강해료경다적분분,병차개선료전겁지간적방전조건,감소료능량손실,제고료능량이용효솔.
To increase the removal rate of organic substance in high voltage discharge process, activated alumina and beading were added between the electrodes with gas aeration in the submerged flow state.The removal rate of phe-nol increased with adding activated alumina and increasing the applied voltage.Oxygen flowing into the discharge re-gion would promote the removal of phenol obviously.The polarization was more intense with activated alumina filled in the reactor, so more reactive species would be produced.Nevertheless, the enhanced electric field was unconspic-uous with beading.The energy consumption of discharge between the electrodes by adding activated alumina was less than discharge in bubbles.The phenol degradation and the discharge condition could be improved by adding acti-vated alumina between the discharge electrodes, which reduced the energy consumption and increased the energy uti-lization efficiency.