玄武岩纤维填料不同布置间距处理生活污水的研究
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摘要
以玄武岩纤维(BF)作为生物填料应用于生活污水处理,选取BF进行生物巢培养,并对生物巢形成时间进行了对比分析,探究了不同BF水中COD、氨氮和总氮的去除效果。结果表明:BF三种BF填料布置间距对COD、氨氮和总氮的去除率总体上随水力停留时间(HRT)的延长而提高,BF填时,对生活污水中COD、氨氮和总氮的去除率分别达到88.4%、83.3%和64.7%。
Basalt fiber(BF) was used as bio-filler for domestic sewage treatment. The nesting spacing of BF packing was 15, 20, 25 cm, respectively, and the nesting time of biological nest was analyzed. The removal effect of different BF packing spacing on COD, ammonia nitrogen and total nitrogen in domestic sewage was explored. The results show that the biological nest formation time is the shortest when the spacing of BF packing is 20 cm. The removal rates of COD, ammonia nitrogen and total nitrogen in the three BF packing arrangements generally increase with the extension of HRT. The treatment effect is best when the spacing of BF packing is 20 cm. When the HRT is 12 h, the removal rates of the COD, ammonia nitrogen and total nitrogen of domestic sewage reach 88.4%, 83.3% and 64.7%, respectively.
Basalt fiber(BF) was used as bio-filler for domestic sewage treatment. The nesting spacing of BF packing was 15, 20, 25 cm, respectively, and the nesting time of biological nest was analyzed. The removal effect of different BF packing spacing on COD, ammonia nitrogen and total nitrogen in domestic sewage was explored. The results show that the biological nest formation time is the shortest when the spacing of BF packing is 20 cm. The removal rates of COD, ammonia nitrogen and total nitrogen in the three BF packing arrangements generally increase with the extension of HRT. The treatment effect is best when the spacing of BF packing is 20 cm. When the HRT is 12 h, the removal rates of the COD, ammonia nitrogen and total nitrogen of domestic sewage reach 88.4%, 83.3% and 64.7%, respectively.
引文
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[3]PASMORE M,TODD P,PFIEFER B,et al.Effect of polymer surface properties on the reversibility of attachment of pseudomonas aeruginosa in the early stages of biofilm development[J].Biofouling,2002,18(1):65-71.
[4]JEONG Y,HERMANOWICZ S W,PARK C.Treatment of food waste recycling wastewater using anaerobic ceramic membrane bioreactor for biogas production in mainstream treatment process of domestic wastewater[J].Water Research,2017,123:86-95.
[5]FELFOLDI T,JURECSKA L,VAJNA B,et al.Texture and type of polymer fiber carrier determine bacterial colonization and biofilm properties in wastewater treatment[J].Chemical Engineering Journal,2015,264,824-834.
[6]MATSUMOTO S,OHTAKI A,HORI K.Carbon fiber as an excellent support material for wastewater treatment biofilms[J].Environmental Science&Technology,2012,46(18):10175-10181.
[7]刘馨.玄武岩纤维:高性能纤维后起之秀[J].新材料产业,2012(3):67-70.
[8]张燕,田风.玄武岩连续纤维的性能与应用[J].中国个体防护装备,2004(6):13-15.
[9]曹海琳,张春红,张志谦,等.玄武岩纤维表面涂层改性研究[J].航空材料学报,2007,27(5):77-82.
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[11]许志至,许小红,吴向阳,等.纳米SiO2分散液表面改性玄武岩纤维载体的研究[J].合成纤维,2016,45(10):15-17.
[12]ZHANG X Y,ZHOU X T,NI H C,et al.Surface modification of basalt fiber with organic/inorganic composites for biofilm carrier used in wastewater treatment[J].ACS Sustainable Chemistry&Engineering,2018,6(2):2596-2602.
[13]郭欢,麻岩,陈姝娜.连续玄武岩纤维的发展及应用前景[J].中国纤检,2010(5):76-79.
[14]蒋霞,吴春笃,吴智仁,等.玄武岩纤维载体生物接触氧化工艺处理印染废水[J].工业水处理,2016,36(1):78-82.
[15]NI H C,ZHOU X T,ZHANG X Y,et al.Feasibility of using basalt fiber as biofilm carrier to construct bio-nest for wastewater treatment[J].Chemosphere,212(2018):768-776.
[16]吴智仁,蒋素英,周向同,等.“生物巢”形成及其水处理机制的理论分析[J].环境保护前沿,2016,6(4):61-68.
[17]梁鹏,黄霞,钱易.利用红斑顠体虫减少剩余污泥产量的研究[J].中国给水排水,2004,20(1):13-17.
[18]陈壁波,李友明.序批式生物膜反应器工艺处理废水简报[J].纸和造纸,2005(3):71-74.
[19]KWOK W K,PICIOREANU C,ONG S L,et al.Influence of biomass production and detachment forces on biofilm structures in a biofilm airlift suspension reactor[M].Wiley Subscription Services,Inc.A Wiley Company,1998.
[20]LOOSDRECHT M C M V,EIKELBOOM D,GJALTEMA A,et al.Biofilm sructures[J].Water Science&Technology,1995,32(8):35-43.
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