以丝瓜络作为固体碳源生物膜的SND反应器启动

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广州大学学报(自然科学版) ›› 2017, Vol. 16 ›› Issue (5) : 76-81.

环境与地理科学

以丝瓜络作为固体碳源生物膜的SND反应器启动

张立秋^a, 黄有文^a, 李淑更^b, 黄奕亮^a, 王登敏^a, 何培芬^a

作者信息 +

Performance of SND membrane reactor with luffa sponge as solid carbon source biofilm

ZHANG Li-qiu^a, HUANG You-wen^a, LI Shu-geng^b, HUANG Yi-liang^a, WANG Deng-min^a, HE Pei-fen^a

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摘要

采用农业废弃物——丝瓜络作为生物膜同步硝化反硝化(SND)系统的填料和固体碳源,研究丝瓜络固体碳源反应器的启动特性.试验研究丝瓜络的静态释碳规律;反应器启动过程中COD_Cr、NH⁺₄-N、TN的去除效果;反应器启动成功后,利用比氧吸收速率(SOUR)、比硝化速率(SNR)及比反硝化速率(SNUR)测试生物膜性能等内容.结果表明,丝瓜络静态释碳量在41 h达到最大值,释碳过程符合二级动力学; 反应器在启动的第21周期时,COD_Cr、NH⁺₄-N、TN的去除率均在70%以上,表明该固体碳源生物膜同步硝化反硝化(SND)系统启动成功; SOUR、SNR和SNUR分别可达0.92 mg·(L·min)^-1、8.52 mg·(L·h)^-1和5.66 mg·(L·h)^-1,说明该生物反应器可快速启动且生物膜活性高,丝瓜络适合作为固体碳源生物膜填料.

Abstract

Based on agricultural waste loofah sponge as the filler and solid carbon source of a membrane simultaneous nitrification and denitrification (SND) system, the starting characteristics of solid carbon source reactor was studied. Experimental contents contained static carbon releasing rule of loofah sponge, the removal effects of COD_Cr、NH⁺₄-N and TN during the startup of the reactor, and the reactor biological membrane performance by analyzing oxygen uptake rate (SOUR), specific nitrification rate (SNR) and the specific denitrification rate (SNUR) after starting successfully the reactor. The results showed that the loofah sponge static carbon emission reached the maximum at 41 h, The carbon release process accords with the two order kinetics; at the start of the twenty-first period, COD_Cr、NH⁺₄-N and TN removal rate was above 70%. The results proved that the solid carbon source biofilm SND system was successful: SOUR、SNR and SNUR respectively 0.92 mg·(L·min)^-1、8.52 mg·(L·h)^-1and 5.66 mg·(L·h)^-1. It also proved that the bioreactor could be started quickly and loofah sponge was adaptable as solid carbon source biofilms.

导出引用

张立秋, 黄有文, 李淑更, 黄奕亮, 王登敏, 何培芬. 以丝瓜络作为固体碳源生物膜的SND反应器启动. 广州大学学报(自然科学版). 2017, 16(5): 76-81

ZHANG Li-qiu, HUANG You-wen, LI Shu-geng, HUANG Yi-liang, WANG Deng-min, HE Pei-fen. Performance of SND membrane reactor with luffa sponge as solid carbon source biofilm. Journal of Guangzhou University(Natural Science Edition). 2017, 16(5): 76-81

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基金

国家自然科学基金资助项目(51478127);广州市科技计划资助项目(201510010051);广东省高校青年创新人才资助项目(2014LQNCX105)

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2017-04-17	2017-10-20
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2017-05-25

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