CAJ | 학술논문

采用铁碳微电解作为养猪沼液预处理手段，预处理后的养猪沼液用于小球藻养殖。试验结果表明：铁碳微电解对养猪沼液中 COD 和总磷的去除效果显著，分别达到了42．41％，93．38％，对主要的重金属 Cu 和 Zn 的去除率也分别达到了63．8％，70．3％，但是对总氮、氨氮的含量影响不大。受高氨氮、低磷影响，小球藻生长非常缓慢甚至完全死亡。经过铁碳微电解和小球藻养殖的双重净化作用，沼液的 COD 和总磷的去除率分别为57．95％，99．24％，但是沼液中的总氮去除率仅仅达到17．87％。因此就微藻养殖的目的而言，铁碳微电解方法还不是最适宜的沼液预处理方法。经此方法预处理后的养猪沼液出现高氨氮、低磷以及残留较多铁离子等不利于微藻的生长的因素。
채용철탄미전해작위양저소액예처리수단，예처리후적양저소액용우소구조양식。시험결과표명：철탄미전해대양저소액중 COD 화총린적거제효과현저，분별체도료42．41％，93．38％，대주요적중금속 Cu 화 Zn 적거제솔야분별체도료63．8％，70．3％，단시대총담、안담적함량영향불대。수고안담、저린영향，소구조생장비상완만심지완전사망。경과철탄미전해화소구조양식적쌍중정화작용，소액적 COD 화총린적거제솔분별위57．95％，99．24％，단시소액중적총담거제솔부부체도17．87％。인차취미조양식적목적이언，철탄미전해방법환불시최괄의적소액예처리방법。경차방법예처리후적양저소액출현고안담、저린이급잔류교다철리자등불리우미조적생장적인소。
Using iron-carbon micro-electrolysis(ICME)as piggery biogas slurry pretreatment method,we applied pretreatment of piggery biogas slurry to Chlorella cultivation.The test results showed that:The re-moval rates of COD and TP were 42.41% and 93.38%,respectively,while the main heavy metals Cu2+ and Zn2+ had 63.8% and 70.3% removal rates respectively.But ICME treatment showed little impact on total nitrogen and ammonia nitrogen content of the piggery biogas slurry,which was the main obstacles of Chlo-rella growth.After ICME pretreatment and Chlorella cultivation,the final COD,TP and TN contents of the slurry removal ratio were 57.95%,99.24%,and 17.87%,respectively.High ammonia nitrogen,low phos-phorus and maybe plus high ferrum ion remaining were the major drawback of ICME pretreatment,in terms of microalgae cultivation.