本文選題：活性炭 + 電吸附��； 參考：《水處理技術(shù)》2017年09期

【摘要】：采用活性炭涂層電極,研究了電容去離子過程中電吸附行為與法拉第反應(yīng)之間的關(guān)系,同時以CaCl_2和MgCl_2溶液模擬硬度水體,探討了電容去離子技術(shù)對硬度去除的可持續(xù)性。結(jié)果表明,隨著電壓的升高,電容去離子過程中有不同的法拉第反應(yīng)發(fā)生,同時陰離子的電吸附行為促進了溶解氧和H_2O_2的還原;陽離子的電吸附行為促進了活性炭電極的氧化和水的電解,Cl~-的氧化不是出水pH變化的主要原因。電容去離子裝置在去除鈣鎂離子時表現(xiàn)了很好的可持續(xù)性,鈣鎂離子不會對活性炭電極造成結(jié)垢問題。
[Abstract]:The relationship between the electroadsorption behavior and Faraday reaction in the process of capacitive deionization was studied by using activated carbon coated electrode. The hardness water was simulated by CaCl_2 and MgCl_2 solution, and the sustainability of the removal of hardness by capacitive deionization was discussed. The results show that different Faraday reactions occur in the process of capacitive deionization with the increase of voltage, and the electrosorption behavior of anion promotes the reduction of dissolved oxygen and H_2O_2. The electrosorption behavior of cations promotes the oxidation of activated carbon electrode and electrolytic oxidation of water, which is not the main reason of pH change of effluent. The capacitive deionization device has good sustainability in removing calcium and magnesium ions, and calcium magnesium ion will not cause scaling problem on activated carbon electrode.
【作者單位】： 重慶大學(xué)三峽庫區(qū)生態(tài)環(huán)境教育部重點實驗室;
【基金】：國家水體污染控制與治理科技重大專項(2009ZX07424-004) “十二五”國家科技支撐計劃項目(2012BAJ25B06-001)
【分類號】：O646;O647.3;P747
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本文編號：1818161