- 技术文章
总氮处理原理的实际应用
2018-01-30 13:44:52 来源:一、总氮处理相关概念
ZONGDANCHULIBAOKUOANDANCHULI、XIAODANCHULIJIYOUJIDANCHULI,SANZHEKEYIFENBIECHULI,YEKEYITONGYIJINXINGCHULI,ZAISHIJISHENGCHANZHONG,YOUYUGONGYEFEISHUIDEFUZAXING,BUTONGXINGYEDEFEISHUIWANGWANGYOUHENDACHABIE,LIRU:FANGZHIXINGYESHIYONGDALIANGYANLIAO,ZAOCHENGFEISHUIZHONGXIAODANHANLIANGJUDA;DIANDUXINGYESHIYONGANSHUIZUOHUANCHONGJI,ZAOCHENGFEISHUIZHONGANDANPIANGAO,ERNONGCHANPINZHIYAOXINGYE,LIYONGDALIANGYOUJIWUJINXINGHECHENG,SHIFEISHUIZHONGHANYOUDALIANGYOUJIDAN。YOUCIKEZHI,DUIBUTONGXINGYEDEBUTONGFEISHUIBUNENGYIGAIERLUN,ERYAOYOUZHENDUIXINGDEDUIZHENGQUCHU。
二、总氮去除的两种思路
1.BUTONGXINGTAIFENBIECHULI
1.1ANDANDEQUCHUFANGFA
(1)生物法
XIAOHUAFANYING:ANSHOUXIANZAIYAXIAOHUAJUNDEZUOYONGXIAZHUANHUAWEIYAXIAOSUANDAN,ZAIXIAOHUAJUNDEZUOYONGXIA,JINYIBUZHUANHUAWEIXIAOSUANDAN。
(2)氨吹脱法
SHUIZHONGDEANDAN,DUOYIANLIZIHEYOULIANDEZHUANGTAICUNZAI,LIANGZHEBAOCHIPINGHENG,PINGHENGGUANXIWEI:
NH3+H2O→NH4++OH-
ZHEIYIGUANXISHOUpHDEYINGXIANG,DANGpHDENGYU7SHI,ANDANDUOYINH4+DEXINGSHICUNZAI,ERDANGpHWEI11SHI,ZEKECUSHIANCONGSHUIZHONGYICHU。
(2)阳离子交换树脂法
FEISHI(TIANRANLIZIJIAOHUANSHUZHI)CHENGBENDI,DUINH4+JUYOUXUANZEXIFUNENGLI,TUODANLVKEDA90%-97%。
(3)折点加氯法
JIANGCl2HUONa(ClO)(CILVSUANNA)JIARUSHUIZHONG,BAWUSHUIZHONGNH4+-NYANGHUAWEIN2DANQIDEHUAXUETUODANGONGYI。
2 NH4++3HOCl→N2+5H++3Cl-+3H2O
1.2YOUJIDANDEQUCHUFANGFA
(1)生物降解法
ANHUAFANYING:YOUJIDANHUAHEWU,ZAIANHUAJUNDEZUOYONGXIA,FENJIE、ZHUANHUAWEIANTAIDAN。
(2)高级氧化法
BAOKUOZIWAIYANGHUA、CHOUYANGYANGHUADENG,CHENGBENJIAOGAO。
(3)物理吸附法
YOUJIDANDEXIFUXIAOGUOZHUYAOQUJUEYURONGJIEXINGWUZHIDEFENZIJIEGOUHEXIFUCAILIAODEBIAOMIANFUHE。ZAISHIJIYINGYONGZHONG,DABUFENYOUJIDANBUNENGBEIXIFU,YINCIXIAOGUOQIANJIA。
1.3XIAOTAIDANDEQUCHUFANGFA
(1)生物法
FANXIAOHUAZUOYONG:XIAOSUANDANHEYAXIAOSUANDANZAIFANXIAOHUAJUNDEZUOYONGXIA,BEIHAIYUANWEIQITAIDANDEGUOCHENG。YINGYONGJIAOWEIGUANGFAN。
(2)离子交换法
SHIZHIXIAOSUANGENLIZIYUSHUZHISHANGDELVLIZIHUOTANSUANQINGGENLIZIFASHENGJIAOHUANCONGERBEISHUZHIXIFUDEGUOCHENG,CUNZAIDEWENTISHICHANGGUIQIANGJIANXINGYINLIZIJIAOHUANSHUZHIDUILIUSUANGENDEXUANZENENGLI*QIANG。DANGFEISHUIZHONGLIUSUANGENNONGDUJIAOGAOSHI,SHUZHIJIANGYOUXIANXUANZEXIFULIUSUANGEN,ERZHENDUIXIAOSUANGENLIZIDEZHUANYONGSHUZHIRENGZAIKAIFAYANJIU。
(3)化学法
YOUYUXIAOSUANGENDEDADUOSHUYANLEIJUNWEIYIRONGWUZHI,YINCICHANGGUIHUAXUECHENDIANFABINGBUKEXING,ERHUAXUEHAIYUANFABAOKUODIANHUAXUEHAIYUANFAJIHUOPOJINSHUHAIYUANFA,CHENGBENJIAOGAO,QIEGONGYIBINGBUCHENGSHU。
2.TONGYICHULI
1.1CHUANTONGGONGYI--HUOXINGWUNIFA
CHUANTONGHUOXINGWUNIFABAOKUOYIJIWUHUACHULIHEERJISHENGHUACHULI,GOUZHUWUBAOKUOGEZHA、CHENSHACHI、CHUDIANCHI、SHENGHUACHI、ERCHENCHI、XUNINGCHI、CHENDIANCHI、XIAODUCHIDENG。ZHENGTIGONGYICHENGSHUDANFANSUORONGZA,XUJIAODUODEJIJIANSHEBEI,ZHANDIMIANJIPANGDA,QIEDUIDANDETUOCHUXIAOLVJIAODI。
1.2XINXINGGONGYI--ZHANQINGHDNGONGYI
XINXINGZHANQINGHDNGONGYIWEICHUANTONGGONGYIDESHENGJIGONGYI,CONGTUODANXIAOLVDAOZHANDIMIANJI,ZAICONGCAOZUOWEIHUDAOHOUXUCHULIJUNJINXINGLEGAIGEJITUPO。HDNGONGYISHIXIANLEDUICHUANTONGTUODANXIAOLVDE20BEITISHENG,JI:2.0kgN/m3.d,ERZHANDIMIANJIJINXU6m2,WUXUSHEZHIERCHENCHIDENGPEITAOZHUANGZHI,WUNICHANLIANGDAFUJIANSHAO,TONGSHISHIXIANLEZIDONGKONGZHI,JIESHENGLERENLICHENGBEN,BINGSHIYUNXINGCHENGBENKEYIKONGZHIZAI1YUAN/DUNSHUIYIXIA,ZAIZONGDANPAIFANGBIAOZHUNXUNSUTIGAODEYINIANNEIJIEJUELEHENDUOLAOCHANGGAIZAOJIYUANQUXINJIANGONGCHENGDEGONGYIQUEXIAN,ZAIDUOZHONGFEISHUICHULIZHONGSHIXIANLEYINGYONG。
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