四川醫療廢水處理傳統A2/O工藝是城市污水處理廠應用最廣泛的生物處理工藝，是一種最標準同步脫氮除磷工藝,但是傳統A2/O工藝也存在兩個方面的問題： 一是反硝化和厭氧釋磷之間存在碳源競爭問題，同時菌體污泥齡要求不同，使傳統A2/O工藝很難同時具有很高的脫氮除磷效果; 二是產生大量剩余污泥，增加了后續處理費用. 針對傳統A2/O工藝的碳源競爭問題，研究者將傳統工藝中的缺氧區提前，形成了倒置A2/O工藝，讓厭氧區和好氧區相連，使厭氧釋磷后保持較高的吸磷動力，同時提高了脫氮除磷的效果;

SUIZHUCHENGZHENWUSHUICHULICHANGTIBIAOGAIZAOJIHUADESHISHI，CHANGGUIA2/OGONGYINANYIMANZU《CHENGZHENWUSHUICHULICHANGWURANWUPAIFANGBIAOZHUN》(GB 18918-2002)ZHONGYIJIABIAOZHUNDEYAOQIU. MBRMO：JUYOUHRTDUAN、 CHANNISHAO、 CHUSHUISHUIZHIHAODENGYOUDIAN，MBRMODEGAOXIAOJIELIUZUOYONGNENGSHISHIDAISHIJIANJIAOCHANGDEJUNZHONGYOUZUGOUDESHENGCHANGSHIJIAN，FANYINGQINEINENGBAOCHIJIAOGAODEWUNINONGDU，BUJINTIGAOCHULIXIAOGUO，TONGSHINENGJIANSHAOWUNIDECHANSHENGLIANG、 JIESHENGDABIWUNICHULIFEIYONG。

BENYANJIUJIANGDAOZHIA2/OHEMBRMOZUHEQILAIXINGCHENGZUHEGONGYI，CHULIMONISHENGHUOWUSHUI，NIJIEJUECHUANTONGGONGYIDEQUEDIAN，BIJIAODAXIANDUDITIGAOTUODANCHULINXIAOGUO. BINGTONGGUOFTIRJISHUFENXIMOBIAOMIANWURANWUHEMBRMOCHINEIZHUYAOWURANWUYUMOZHIJIANWEIGUANZUOYONGLILIANGFANGMIANTANJIUZUHEGONGYIMOWURANJIZHI，YIQIWEISHIJIWUSHUICHULIZHONGGONGYISHENGJIGAIZAOJIJIANHUANMOWURANTIGONGYOUXIAOYIJU。

1 材料與方法

1.1 實驗裝置與運行參數

SHIYANSUOYONGDAOZHI A2/O-MBRZHUANGZHIRUTU 1SUOSHI. YUANSHUIJINGRUDONGBENGJINRUDAOQUEYANGCHI，ZAIJINGDANGBANGUOLIUDAOYANYANGCHI，ZAIJINGCHUANKONGDANGBANJINRUHAOYANGCHI，HAOYANGCHIMOQUSHEZHIWUNIHUILIUGUAN，HUILIUWUNIDAOQUEYANGCHI. MOZUJIANFANGZHIZAIHAOYANGCHINISHUIHUNHEYEZHONG，JINGRUDONGBENGCHOUXICHUSHUI，CHOUTINGSHIJIANYOUSHIJIANJIDIANQIKONGZHI。

SHIYANYONGMOWEIZIZHIGAOQIANGDUPVAQINSHUIHUAGAIXINGFUHEMO，ZHUMOYETIXIDMAC/PVDF/LiCl/PVAANYIDINGBILIPEIZHIERCHENG. JIANGCIFUHEMOZHICHENGLIANSHIZUJIANYINGYONGYUDAOZHIA2/O-MBRTIXIZHONG，KAOCHAMBRTIXIZHONGMODUIKELIWUDEQUCHUJIMOXINGNENGDEBIANHUA。

ZHENGGESHIYANGUOCHENGWEIDUIMOJINXINGRENHEQINGXI，CONGTU 7KEZHI，XITONGZAIYUNXINGDE52 dLI，TMPZAIQIAN2 dNEIZENGJIAMINGXIAN，CONG0.5 kPaTURANZENGJIADAO2.4 kPa，MOWURANSULVJIAOGAO，ZHESHIYINWEIXITONGZAIGUOLVCHUQI，WUNIHUNHEYEZHONGKELIZAIMOBIAOMIANXIFU，YINQIMOKONGDUSAI，XINGCHENGLEMODECHUSHIWURAN[17, 18]，YINCITMPZENGCHANGJIAOKUAI. SUIZHUMOKONGDUSAIJIXUFAZHAN，ZAISUIHOUDE40 dNEITMPCONG2.4 kPaZENGCHANGDAO8 kPa，MOWURANSULVWEI5.83 Pa ·h-1，CIJIEDUANWEIMODEHUANMANWURANJIEDUAN[9]. ZAICIJIEDUANNEI，WURANWUBUJINZAIMOKONGNEIXIFU，QIEXIFUFASHENGZAIZHENGGEMOBIAOMIAN，WUNIHUNHEYEZHONGDESHENGWUXUTIZAIMOBIAOMIANKAISHIXINGCHENGLVBINGCENG，DANCISHIDELVBINGCENGDUITMPDEZENGCHANGYINGXIANGJIAOXIAO，TMPZENGCHANGHUANMAN. ZAIFANYINGQIYUNXINGDEZUIHOU10dLI，TMPCONG8 kPaZOUZENGDAO16.5 kPa，MOWURANSULVWEI35.42 Pa ·h-1，XITONGFASHENGYANZHONGMOWURAN。

ZAIZHENGGESHIYANGUOCHENGZHONG，FUHEMODETONGLIANGBAOCHI(12±0.5)L ·(m2 ·h)-1BUBIAN，MOWURANPINGJUNSULVDIZHI 13.22 Pa ·h-1. SongDENG[10]CAIYONG PVDFZHONGKONGXIANWEIMOCHULISHIZHENGWUSHUIZHONG，ZAIMOTONGLIANGWEI 15.4 L ·(m2 ·h)-1SHI，DECHUMOWURANSULVYUEWEI 71 Pa ·h-1; ZHANGCHUANYIDENG[19]CAIYONGJUYIXIZHONGKONGXIANWEIMOCHULISHENGHUOWUSHUI，BAOCHIMOTONGLIANGWEI 12 L ·(m2 ·h)-1，MOWURANSULVYUE 52.7 Pa ·h-1. DUIBISHUOMINGZIZHIGAOQIANGDUFUHEMOJUYOULIANGHAODEKANGWURANNENGLI，MOWURANGUOCHENGHUANMAN，NENGZAI MBRZHONGBAOCHIDIYALIWENDINGYUNXING。