:=KDQJHWDO&RPSDULVRQRI'HJUDGDWLRQRI/LJQLQFRQWDLQLQJ:DVWHZDWHUV« Chem. Biochem. Eng. Q. ±
RSWLPDO GHJUDGDWLRQ FRQGLWLRQV LQFOXGHG WKH WUHDW PHQW WHPSHUDWXUH RI ႏ LQRFXODWLRQ DPRXQW RI YY LQLWLDOS+RI'2RIPJ/ ± DVZHOO DV WUHDWPHQW WLPH RI K7KH &2' UHPRYDO HIIL FLHQF\ZDV E\-7KURXJKWKHWHVWRIRWK HU ZDWHU TXDOLW\ SDUDPHWHUV WKH GHJUDGDWLRQ HIIL FLHQF\ RI OLJQLQ UHDFKHG DQG GHFRORUL]DWLRQ HIILFLHQF\ RI XQGHU WKH RSWLPDO FRQGLWLRQV 0RUHRYHU WKH PLFURELDO FRQVRUWLXP SOD\HG D FHU WDLQUROHLQWKHDGVRUSWLRQDQGVHGLPHQWDWLRQRIWKH VXVSHQGHGVROLGVDQGWKHUHPRYDOHIILFLHQF\RI66 E\-ZDV )RUWKHWUHDWPHQWRISDSHUPDN LQJ ZDVWHZDWHU WKH RSWLPDO GHJUDGDWLRQ FRQGLWLRQV LQFOXGHG WUHDWPHQW WHPSHUDWXUH RI ႏ LQRFXOD WLRQDPRXQWRI YY S+RI'2RIPJ/ ± QLWURJHQ VRXUFH FRQFHQWUDWLRQ RI J / ±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et al. XVHGPHPEUDQHELRUHDFWRU 0%5 PHWKRGWR WUHDW7&0ZDVWHZDWHUDQGDOPRVWDOOWKH&2'ZDV UHPRYHG WKURXJK WKH SK\VLFDO DQG ELRORJLFDO SUR FHVV /LDQJ et al. XVHGDFRPSRVLWHPHWKRGWRWUHDW SXOSDQGSDSHUZDVWHZDWHUDQGWKHUHVXOWVVKRZHG WKDW WKH SK\VLFDO DQDHURELF DHURELF DQG FKHPLFDO VWHSVDFFRXQWHGIRU DQG
Effect of nitrogen source addition on papermaking wastewater treatment 1LWURJHQVRXUFHVZHUHDOZD\VDGGHGZKHQELR ORJLFDO WUHDWPHQW RI SDSHUPDNLQJ ZDVWHZDWHU ZDV SHUIRUPHGEHFDXVHLWLVQLWURJHQGHILFLHQW 7KHHI IHFW RI QLWURJHQ VRXUFH DGGLWLRQ RQ WKH UHPRYDO RI &2' LQ ZDVWHZDWHU ZDV VWXGLHG 7KH UHVXOWV DUH SUHVHQWHGLQ)LJ7KHUHVXOWVLQGLFDWHGWKDWDWWKH FRQFHQWUDWLRQ RI QLWURJHQ VRXUFH RI J / ± WKH &2' UHPRYDO HIILFLHQF\ RI PLFURELRWD - LQ WKH WUHDWPHQW RI SDSHUPDNLQJ ZDVWHZDWHU ZDV WKHWUHDWPHQWHIIHFWLQFUHDVHGVLJQLILFDQWO\DQGWKH DPPRQLDQLWURJHQFRQFHQWUDWLRQRIHIIOXHQWZDVVWD EOHDQGORZHUWKDQWKHGLVFKDUJHVWDQGDUGYDOXH PJ/ ± 7KHHIIOXHQWDPPRQLDQLWURJHQFRQFHQWUD WLRQ UHDFKHG PJ / ± DW WKH VXSSOHPHQWDO FRQ FHQWUDWLRQRIDPPRQLXPVXOIDWHRIJ/ ± WKXV H[FHHGLQJ WKH GLVFKDUJH VWDQGDUG$FFRUGLQJO\ WKH VXSSOHPHQWDO DPPRQLXP VXOIDWH FRQFHQWUDWLRQ VKRXOG EH FRQWUROOHG 7KH QLWURJHQ VRXUFH FDQ EH XVHG HIIHFWLYHO\ E\ PLFURRUJDQLVPV 1LWURJHQ LV D YLWDO HOHPHQW RI PLFURRUJDQLVPV 7KH DGGLWLRQ RI QLWURJHQVRXUFHFDQHIIHFWLYHO\IDFLOLWDWHWKHJURZWK DQGUHSURGXFWLRQRIPLFURRUJDQLVPVLQWKHPLFUREL DOFRQVRUWLXPDQGLQFUHDVHWKHWUHDWPHQWHIIHFW ,QDGGLWLRQWKHHIIHFWRILQRFXODWLRQDPRXQWRQ ZDVWHZDWHU GHJUDGDWLRQ ZDV H[SORUHG 7KH UHVXOWV LQGLFDWHGWKDWLQWKHUDQJHRI±LQRFXODWLRQ DPRXQWWKHHIIHFWRILQRFXODWLRQDPRXQWRIPLFUR ELRWDRQ&2'GHJUDGDWLRQRIZDVWHZDWHUZDVUHOD WLYHO\ VPDOO 7KH LQRFXODWLRQ DPRXQW KDG D VOLJKW HIIHFWRQWKHZDVWHZDWHUWUHDWPHQWSURFHVVFRQVLV WHQWZLWKRWKHUUHVHDUFK ,Q VXPPDU\ WKH RSWLPDO WUHDWPHQW FRQGLWLRQV RI WKH WZR W\SHV RI ZDVWHZDWHUV ZHUH SUHVHQWHG DV IROORZV)RUWKHWUHDWPHQWRI7&0ZDVWHZDWHUWKH
)LJ – Effect of nitrogen source addition on papermaking wastewater treatment (a: average removal efficiency of COD under different nitrogen addition; b: effluent ammonia nitrogen concentration under different nitrogen addition) $PPRQLXPVXOIDWHFRQFHQWUDWLRQ J/ ± $PPRQLXPVXOIDWHFRQFHQWUDWLRQ J/ ±
Made with FlippingBook Digital Proposal Creator