环境科技
環境科技
배경과기
ENVIRONMENTAL SCIENCE AND TECHNOLOGY
2014年
6期
22-25,31
,共5页
容积负荷%氨氮%反应器%生物膜
容積負荷%氨氮%反應器%生物膜
용적부하%안담%반응기%생물막
Volume loading%Ammonia nitrogen%Biofilm%Reactor
利用蜂窝陶瓷为生物膜载体组建的生物膜反应器处理受污染原水试验运行过程中，考察氨氮容积负荷、有机物容积负荷及总磷容积负荷对反应器氨氮去除率和去除速率的影响。研究表明在温度为13～29.6℃，ρ（DO）为4 mg/L，水力负荷分别为2.39，3.49，6.90，8.38，11.33，13.66 m3/(m2·d)的情况下，随着氨氮容积负荷的逐渐增大，氨氮的去除率逐渐降低，而氨氮的去除速率逐步增大。氨氮容积负荷与氨氮去除率和容积负荷与去除速率关系都可用直线方程表示。为维持反应器稳定的处理效果，水力负荷最好不要超过11.33 m3/(m2·d)，氨氮容积负荷不超过1.45 kg/(m3·d)。随着有机物容积负荷的逐渐增大，氨氮去除速率逐渐增大，但增速逐渐减缓，而氨氮去除率逐渐降低。随着总磷容积负荷的增大，氨氮去除速率增加并呈线性相关，氨氮去除率随之减少。
利用蜂窩陶瓷為生物膜載體組建的生物膜反應器處理受汙染原水試驗運行過程中，攷察氨氮容積負荷、有機物容積負荷及總燐容積負荷對反應器氨氮去除率和去除速率的影響。研究錶明在溫度為13～29.6℃，ρ（DO）為4 mg/L，水力負荷分彆為2.39，3.49，6.90，8.38，11.33，13.66 m3/(m2·d)的情況下，隨著氨氮容積負荷的逐漸增大，氨氮的去除率逐漸降低，而氨氮的去除速率逐步增大。氨氮容積負荷與氨氮去除率和容積負荷與去除速率關繫都可用直線方程錶示。為維持反應器穩定的處理效果，水力負荷最好不要超過11.33 m3/(m2·d)，氨氮容積負荷不超過1.45 kg/(m3·d)。隨著有機物容積負荷的逐漸增大，氨氮去除速率逐漸增大，但增速逐漸減緩，而氨氮去除率逐漸降低。隨著總燐容積負荷的增大，氨氮去除速率增加併呈線性相關，氨氮去除率隨之減少。
이용봉와도자위생물막재체조건적생물막반응기처리수오염원수시험운행과정중，고찰안담용적부하、유궤물용적부하급총린용적부하대반응기안담거제솔화거제속솔적영향。연구표명재온도위13～29.6℃，ρ（DO）위4 mg/L，수력부하분별위2.39，3.49，6.90，8.38，11.33，13.66 m3/(m2·d)적정황하，수착안담용적부하적축점증대，안담적거제솔축점강저，이안담적거제속솔축보증대。안담용적부하여안담거제솔화용적부하여거제속솔관계도가용직선방정표시。위유지반응기은정적처리효과，수력부하최호불요초과11.33 m3/(m2·d)，안담용적부하불초과1.45 kg/(m3·d)。수착유궤물용적부하적축점증대，안담거제속솔축점증대，단증속축점감완，이안담거제솔축점강저。수착총린용적부하적증대，안담거제속솔증가병정선성상관，안담거제솔수지감소。
Internal Airlift Loop with Cells Immobilized onto Ceramic Honeycomb Support (IAL-CHS) reactor was used for bioremediation of polluted source water. During the experiment, influence of the ammonium volume loading,the organic and TP volume loading on ammonia nitrogen removal percentages and ammonia nitrogen removal ratewere studied. Studies have shown that under the condition that the hydraulic loading were respectively 2.39,3.49,6.90,8.38,11.33,13.66 m3/(m2·d) and the temperature of 13 ~ 29.6 ℃, dissolved oxygen 4 mg/L, with gradually increasing ammonium volume loading, ammonia nitrogen removal rate gradually decreased, while the ammonia removal rate gradually increase. The relationship between ammonia volume loading and ammonia nitrogen removal percentages, ammonia volume loading and ammonia removal rate are available linear equation. In order to maintain reactor's a stable treatment effect, hydraulic loading should not exceed 11.33 m3/(m2·d) with ammonia volume load below exceed 1.45 kg/(m3·d).With the gradually increasing organic volume loading, nitrogen, ammonia nitrogen removal rate is gradually increasing, but growth has been slowing, while ammonia nitrogen removalpercentages decreased. With the TP volume loading increases, the ammonia nitrogen removal rate increases and shows linear correlation, and finally ammonia nitrogen removal percentage decreases.
