骞叉硶鑵堢陡鏄棭鍦�1934骞寸編鍦�(gu贸)鏉滈偊鍏徃棣栧壍(chu脿ng)鐨勮厛缍哥敓鐢�(ch菐n)宸ヨ棟锛屽苟浜�1950骞村(sh铆)鐝�(xi脿n)浜嗗伐妤�(y猫)鍖栫敓鐢�(ch菐n)銆傝€屾垜鍦�(gu贸)鐨勮厛缍哥敓鐢�(ch菐n)闁�(k膩i)濮嬩簬1991骞村緸鏉滈偊鍏徃寮曢€�(j矛n)浜嗕簲濂楀共娉曡厛缍告妧琛�(sh霉)銆傝厛缍哥簴缍湁浜洪€犵緤姣涗箣绋�銆傚叿鏈夋煍杌熻摤鏉�锛岃€愬厜鎶楁洭绛夊劒(y艒u)榛�(di菐n)锛岃寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏈嶈瑁濋＞绛夌敓鐢�(ch菐n)鐢熸椿闋�(l菒ng)鍩�銆傚共娉曡厛缍哥敓鐢�(ch菐n)閬�(gu貌)绋嬩腑鎺掓斁鐨勫虎姘村叿鏈夋薄鏌撶墿绋澶�銆佹垚浠藉京(f霉)闆滀笖闆ｄ互琚敓鐗╅檷瑙ｇ殑鐗归粸(di菐n)锛屽叾涓惈鏈夊绋寲瀛�(xu茅)鐗╄唱(zh矛)灏�(du矛)寰敓鐗╂湁姣掑浣滅敤锛屾槸涓栫晫鍏獚(r猫n)鐨勬サ闆ｇ敓鐗╅檷瑙ｇ殑鏈夋(j墨)鍖栧伐寤㈡按涓殑涓€绋�銆傚洜姝�锛屽父瑕�(gu墨)鐨勭敓鐗╂硶寤�姘磋檿鐞�宸ヨ棟寰堥洠浣垮緱鍑烘按閬�(d谩)鍒拌妤�(y猫)鎺掓斁妯�(bi膩o)婧�(zh菙n)锛屽湅(gu贸)鍏�(n猫i)骞叉硶鑵堢陡寤㈡按铏曠悊宸ヨ棟鏅亶瀛樺湪鐢熷寲鍚庡嚭姘碈ODCr銆丯H4+-N楂樼殑鍟�(w猫n)椤�锛屼笉浣嗘渻(hu矛)灏�(d菐o)鑷存按楂旂挵(hu谩n)澧冩薄鏌擄紝涔熷毚(y谩n)閲嶅埗绱勮厛缍歌妤�(y猫)鐨勭櫦(f膩)灞�銆�

鐩墠锛岄嚌灏�(du矛)鑵堢陡寤㈡按鐨勭爺绌跺闂�(gu膩n)娉ㄩ噰鐢ㄩ爯(y霉)铏曠悊鎶€琛�(sh霉)渚�(l谩i)鎻愰珮寤㈡按鍙敓鍖栨€�銆傞瓘瀹堝挤(qi谩ng)绛夊埄鐢ㄩ惖灞戞椿鎬х偔?j墨)?n猫i)闆昏В娉曢爯(y霉)铏曠悊骞叉硶鑵堢陡寤㈡按锛孋ODCr鐨勫幓闄ょ巼鍙仈(d谩)60锛咃紱妤婃睙绱呯瓑閲囩敤鍏╃浉鍘哀铏曠悊鑵堢陡寤㈡按锛岃檿鐞嗗悗B/C寰�0.39涓婂崌鍒�0.74锛屽虎姘寸殑鍙敓鍖栨€у緱鍒伴’钁楁彁楂樸€備篃鏈夌爺绌惰€呭皪(du矛)姣斾簡鑷哀(O3)銆佽嚟姘�-浜屾哀鍖栭尦銆佽嚟姘�-娲绘€х偔3绋柟娉曠殑铏曠悊鏁堟灉锛岀爺绌剁櫦(f膩)鐝�(xi脿n)锛氳嚟姘ф哀鍖栧皪(du矛)鎻愰珮鑵堢陡寤㈡按鐨勫彲鐢熷寲鎬ф剰缇╀笉澶�銆備警浜炴儬绛変互绱嶆烤鐨勬柟娉曡檿鐞嗚厛缍稿虎姘�锛岄洊鐒惰檿鐞嗘晥鏋滆壇濂�锛屼絾浠嶇劧瀛樺湪婵冩按闇€瑕侀€�(j矛n)涓€姝ヨ檿鐞嗙殑鍟�(w猫n)椤岋紝鐝�(xi脿n)鏈夎厛缍稿虎姘磋檿鐞嗗伐绋嬩笉鑳芥豢瓒宠厛缍稿虎姘存績搴﹂珮銆佹瘨鎬уぇ鐨勭壒榛�(di菐n)锛屼笖鑰愭矕鎿婅矤(f霉)鑽疯兘鍔涘急锛屽嚭姘磋壊搴﹂珮锛屽父甯镐笉鑳藉(sh铆)鐝�(xi脿n)閬�(d谩)妯�(bi膩o)鎺掓斁銆�

Fenton娉曟槸涓€绋吀鍨嬬殑楂樼礆(j铆)姘у寲鎶€琛�(sh霉)锛岃嚦浠婂凡缍�(j墨ng)鏈変竴鐧惧骞寸殑鐮旂┒姝峰彶銆傝垏鍏朵粬楂樼礆(j铆)姘у寲鎶€琛�(sh霉)鐩告瘮杓�锛孎(xi脿n)enton姘у寲娉曞叿鏈夊弽鎳�(y墨ng)閫熷害蹇�銆侀檷瑙ｅ竟搴�銆佹搷浣滅啊(ji菐n)渚跨瓑鍎�(y艒u)榛�(di菐n)銆侳enton楂旂郴涓敘(ch菐n)鐢熺殑缇ュ熀鑷敱鍩轰互鍏堕珮闆诲嫝(sh矛)鍙互姘у寲姘翠腑绲曞ぇ澶氭暩(sh霉)鏈夋(j墨)鐗�锛屽挨鍏堕仼鐢ㄤ簬涓€鑸寲瀛�(xu茅)姘у寲娉曢洠铏曠悊鎴栫敓鐗╂硶闆ｉ檷瑙ｇ殑鏈夋(j墨)寤㈡按锛岃兘灏囬洠浠ラ檷瑙ｇ殑鏈夋(j墨)鐗╁ぇ鍒嗗瓙闄嶈В杞�(zhu菐n)鍖栫偤杓冩槗鐢熺墿闄嶈В鐨勫皬鍒嗗瓙锛屽緸鑰岃兘澶犻’钁楁彁楂樺虎姘寸殑鍙敓鍖栨€�銆侳enton娉曞幓闄ゆ湁姗�(j墨)鐗╃殑鍘熺悊鏄疕2O2鍦‵e2+鐨勫偓鍖栦綔鐢ㄤ笅鐢熸垚姘у寲鑳藉姏寰堝挤(qi谩ng)鐨勭茎鍩鸿嚜鐢卞熀(OH)锛屼互?OH鐐烘哀鍖栧姂鑸囨湁姗�(j墨)鐗╃櫦(f膩)鐢熷弽鎳�(y墨ng)锛屽弽鎳�(y墨ng)閬�(gu貌)绋嬩腑鐢熸垚鐨勬湁姗�(j墨)鑷敱鍩虹辜绾�(x霉)鍙冨姞鑸�?OH鐨勯張?zh菙n)妞掔；?y墨ng)锛屾垨鑰呴€氶亷(gu貌)鐢熸垚鏈夋(j墨)閬�(gu貌)姘у寲鍩哄悗閫�(j矛n)涓€姝ョ櫦(f膩)鐢熸哀鍖栧垎瑙ｅ弽鎳�(y墨ng)鐩村埌闄嶈В鑷虫渶绲傜敘(ch菐n)鐗〤O2鍜孒2O锛屽緸鑰岄仈(d谩)鍒伴檷瑙ｆ秷闄ゆ湁姗�(j墨)鐗╃殑鐩殑[6,7]銆侳enton瑭﹀姂灏�(du矛)浜庢湁姗�(j墨)姹℃煋鐗╅櫎浜嗗叿鏈夋哀鍖栦綔鐢�锛岄倓鍥犲叾鐢熸垚鐨勬矮姘у寲閻电诞楂旇€屽叿鏈変竴瀹氱殑娣峰嚌娌夋穩浣滅敤[8]锛孎(xi脿n)enton娉曡檿鐞嗗虎姘存槸閫欏叐绋師鍥犵稖鍚堜綔鐢ㄧ殑绲�(ji茅)鏋�銆傛湰瀵�(sh铆)椹�(y脿n)閫氶亷(gu貌)鍠洜绱犺│椹�(y脿n)鍜屾浜よ│椹�(y脿n)锛岃€冨療浜咶e2+鎶曞姞閲�銆丠2O2鎶曞姞閲�銆佸弽鎳�(y墨ng)鏅�(sh铆)闁�銆佸垵濮媝H鍊煎拰鏀媽寮�(qi谩ng)搴﹀皪(du矛)鑵堢陡寤㈡按CODCr鍘婚櫎鐨勫奖闊匡紝鍒嗘瀽浜嗗奖闊胯檿鐞嗘晥鏋滅殑鍘熷洜锛屽緱鍑轰簡鏈€浣虫搷浣滄浠�锛屼互鏈熺偤瑭插伐钘濆湪姘磋檿鐞嗛牁(l菒ng)鍩熸噳(y墨ng)鐢ㄦ彁渚涘彲闈犵殑鐞嗚珫鍩虹(ch菙)鍜屾妧琛�(sh霉)鏀寔銆�

1銆佸(sh铆)椹�(y脿n)閮ㄥ垎

1.1銆佽│椹�(y脿n)鐢ㄦ按

瑭﹂(y脿n)鐢ㄦ按鍙栬嚜鏌愯厛缍稿粻鐢熷寲姹犱簩娌夋睜鍑烘按锛屽叾姘磋唱(zh矛)瑕�(ji脿n)琛�1銆傜敱琛�1鍙互鐪嬪嚭锛岀稉(j墨ng)鐢熷寲铏曠悊鍚庣殑寤㈡按鐢熷寲闄嶈В绋嬪害寰堝ソ锛屼絾蟻(CODCr)渚濈劧鍋忛珮锛岀洿鎺ユ帓鏀鹃仈(d谩)涓嶅埌鈥溿€婃薄姘寸稖鍚堟帓鏀炬(bi膩o)婧�(zh菙n)銆嬶紙GB8978-1996锛変腑鐭冲寲宸ユキ(y猫)COD妯�(bi膩o)婧�(zh菙n)鍊间慨鏀瑰柈閫氱煡鈥濅腑鐨勪簩绱�(j铆)鎺掓斁妯�(bi膩o)婧�(zh菙n)锛屾晠鑰岄渶瑕侀€�(j矛n)琛屾洿閫�(j矛n)涓€姝ョ殑娣卞害铏曠悊銆�

琛�1瑭﹂(y脿n)姘磋唱(zh矛)
Table1Qualityofexperimentalwater

鍙栧共娉曡厛缍哥敓鍖栧嚭姘�1000mL缃簬2000mL鐕掓澂涓�锛岀敤纭吀鎴栨矮姘у寲閳夎(di脿o)绡€(ji茅)pH鍊�,鎶曞姞涓€瀹氶噺鐨凥2O2鍜孎eSO4?7H2O锛屽埄鐢ㄧ鍔涙敧鎷屽櫒鏀媽涓€瀹氭檪(sh铆)闁�銆傜偤娑堥櫎Fe2+鍜孒2O2灏�(du矛)姘存ǎCODCr鍊肩殑褰遍熆锛屽緟鍙嶆噳(y墨ng)瀹岀暍鍚�锛岀敤婵冪殑姘哀鍖栭垑婧舵恫瑾�(di脿o)绡€(ji茅)姘存ǎ浣縫H=10.0卤0.5锛岄潨缃�1h浣挎矮姘у寲閻垫矇娣€瀹屽叏锛屽彇涓婂堡娓呮恫娓�(c猫)瀹氭按妯ｇ殑姘磋唱(zh矛)鎸囨(bi膩o)銆傞€�(j矛n)琛屽柈鍥犵礌瑭﹂(y脿n)纰哄畾鍥犵礌璁婂寲瑕�(gu墨)寰�锛屾渶鍚庨€�(j矛n)琛屾浜よ│椹�(y脿n)纰哄畾鏈€浣冲弽鎳�(y墨ng)姊濅欢銆�

1.3銆佸垎鏋愰爡(xi脿ng)鐩強鏂规硶

蟻(CODCr)閲囩敤蹇€熷瘑闁夊偓鍖栨秷瑙ｆ硶娓�(c猫)瀹�(5B-3C锛岃槶宸為€ｈ彲鐠�(hu谩n)?锛熻悕鍔犻偄钖邦倛?锛浵�(NH4+-N)閲囩敤绱嶆皬瑭﹀姂鍒嗗厜鍏夊害娉曟脯(c猫)瀹�锛浵�(BOD5)閲囩敤绋€閲嬭垏鎺ョó娉�(GB/T7488鈥�1987)娓�(c猫)瀹氾紱pH鍊奸噰鐢ㄤ究鏀滃紡pH娓�(c猫)瀹氬剙锛圚I98185,鎰忓ぇ鍒╁搱绱嶏級娓�(c猫)瀹�銆�

2銆佺祼(ji茅)鏋滆垏鍒嗘瀽

2.1銆佸垵濮媝H灏�(du矛)鑵堢陡寤㈡按CODCr鍘婚櫎鐨勫奖闊�

鍚�1000mL鑵堢陡寤㈡按涓垎鍒ユ坊鍔燞2O2锛孎(xi脿n)eSO437H2O浣垮緱寤㈡按涓璫(H2O2)鐐�39.2mmol/L锛宑(Fe2+)鐐�14.4mmol/L锛屾帶鍒舵敧鎷岄€熷害鐐�150r/min锛屽弽鎳�(y墨ng)鏅�(sh铆)闁撶偤60min锛岃€冨療鍒濆鍙嶆噳(y墨ng)婧舵恫pH灏�(du矛)寤㈡按CODCr鍘婚櫎鐜囩殑褰遍熆锛岃│椹�(y脿n)绲�(ji茅)鏋滃鍦�1鎵€绀恒€�

鍦�1鍒濆鍙嶆噳(y墨ng)娑瞤H鑸嘋ODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�
Fig.1RelationbetweeninitialpHandCODCrremovalrate

鐢卞湒1鍙互鐪嬪嚭锛孋ODCr鍘婚櫎鐜囬毃钁楀垵濮媝H鐨勫澶у憟鐝�(xi脿n)鍏堝澶у悗娓涘皬鐨勮定鍕�(sh矛)銆傜暥(d膩ng)鑺爴楂旂郴鐨勫垵濮媝H鐐�3锝�4鏅�(sh铆)锛孋ODCr鏈夋渶澶х殑鍘婚櫎鐜囦笖鍘婚櫎鏁堟灉寰堝ソ锛屾渶濂藉彲閬�(d谩)78.9%銆傜暥(d膩ng)pH<2.0閫愭几璁婂皬锛孋ODCr鍘婚櫎鐜囪繀閫熶笅闄�銆傜暥(d膩ng)pH>5.0骞堕€愭几澧炲ぇ锛孋ODCr鍘婚櫎鐜囪畩鍖栦笉澶�锛屽湪65%宸﹀彸娉㈠嫊(d貌ng)锛屽弽鎳�(y墨ng)鏁堟灉涓嶇敋鐞嗘兂锛屾晠閲囩敤鍒濆pH=3.0浣滅偤鍚庣簩(x霉)瑭﹂(y脿n)pH姊濅欢銆傚嚭鐝�(xi脿n)閫欑ó鐝�(xi脿n)璞℃槸鍥�?y脿n)娈岶鍦ㄦ憾娑蹭腑鐨勫瓨鍦ㄥ舰寮忚垏婧舵恫鐨刾H瀵嗗垏鐩搁棞(gu膩n)锛堥吀鎬ф憾娑蹭腑浠ラ洟瀛愭厠(t脿i)鐐轰富锛屽牽鎬ф憾娑蹭腑浠ユ矇娣€鎴栫诞鐙€鐗╁舰寮忓瓨鍦級锛屾寜鐓enton瑭﹀姂鍙嶆噳(y墨ng)姗�(j墨)鐞�锛宲H鍗囬珮鏈�(hu矛)鎶戝埗浜屽児(ji脿)閻佃垏闆欐哀姘寸敓鎴�?OH鐨勫弽鎳�(y墨ng)锛屾晠鑰屾渻(hu矛)鎶戝埗OH鐨勭敓鎴�銆傝嫢pH閬�(gu貌)澶ч倓鏈�(hu矛)鑸囨憾娑蹭腑鐨勯惖褰㈡垚姘哀鍖栫墿娌夋穩鑰屽柂澶卞偓鍖栨€ц兘锛孎(xi脿n)enton瑭﹀姂鏄湪閰告€ф浠朵笅鐧�(f膩)鐢熶綔鐢�锛屼絾鏄湪閰告€ч亷(gu貌)澶ф檪(sh铆)锛屾矮闆㈠瓙鍙堟渻(hu矛)鎶戝埗涓夊児(ji脿)閻佃垏闆欐哀姘寸殑鍙嶆噳(y墨ng)锛屽奖闊块惖鐨勫偓鍖栧惊鐠�(hu谩n)锛屽洜姝や篃鏈�(hu矛)灏�(d菐o)鑷村幓闄ょ巼涓嬮檷銆侳enton楂旂郴鍦ㄩ吀鎬х挵(hu谩n)澧冧腑鍏锋湁鏇村ソ鐨勬薄姘磋檿鐞嗘晥鏋�锛岄€欒垏鍦�(gu贸)鍏�(n猫i)澶栫殑绲�(ji茅)璜栦竴鑷淬€�

2.2銆丠2O2婵冨害鑸囪厛缍稿虎姘碈ODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�

鍦ㄥ弽鎳�(y墨ng)娑插垵濮媝H鐐�3.0锛宑(Fe2+)鐐�14.5mmol/L锛屾敧鎷岄€熷害鐐�150r/min锛屽弽鎳�(y墨ng)鏅�(sh铆)闁撶偤60min鏅�(sh铆)锛岃€冨療c(H2O2)灏�(du矛)鑵堢陡寤㈡按CODCr鍘婚櫎鐜囩殑褰遍熆锛岀祼(ji茅)鏋滆(ji脿n)鍦�2銆�

鍦�2c(H2O2)鑸嘋ODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�
Fig.2Relationbetweenc(H2O2)andCODCrremovalrate

鐢卞湒2鍙互鐪嬪嚭锛孋ODCr鍘婚櫎鐜囬毃钁楅洐姘ф按婵冨害鐨勭湡澶ц€屽澶�锛岀暥(d膩ng)c(H2O2)閬�(d谩)鍒�40mmol/L鏅�(sh铆)鍘婚櫎鐜囬仈(d谩)鍒版渶澶у€肩偤77%銆傝€屽悗鍐嶅鍔犻洐姘ф按鐨勬姇鍏�锛屽付渚�(l谩i)鐨凜ODCr鍘婚櫎鐜囪畩鍖栦笉澶э紝鐢氳嚦鍑虹従(xi脿n)浜嗛檷浣庤定鍕�(sh矛)銆傜敱浜庨洐姘ф按鐨勫鍔犻洊鐒惰兘澶犲紩鍏ユ洿澶氱殑缇ュ熀鑷敱鍩�锛屼絾鏄茎鍩鸿嚜鐢卞熀鐨勬哀鍖栭檷瑙ｅ弽鎳�(y墨ng)閭勫彇姹轰簬鏈夋(j墨)姹℃煋搴曠墿鐨勬績搴�锛岄€欐槸灏�(d菐o)鑷存洸绶氭枩鐜囬檷浣庣殑鍘熷洜銆傚苟涓旈亷(gu貌)閲忕殑H2O2鍏堕倓鍘熸€ф渻(hu矛)寰炰竴瀹氱▼搴︿笂澧炲姞浜嗗嚭姘翠腑鐨凜ODCr鍊笺€�

2.3Fe2+鎶曞姞閲忚垏寤㈡按CODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�

鎺у埗pH鐐�3.0锛宑(H2O2)鐐�40.0mmol/L锛屾敧鎷岄€熷害鐐�150r/min锛屽弽鎳�(y墨ng)60min锛岃€冨療c(Fe2+)鑸囪厛缍稿虎姘碈ODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�銆傜祼(ji茅)鏋滆(ji脿n)鍦�3銆�

鍦�3c(Fe2+)鑸嘋ODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�
Fig.3Relationbetweenc(Fe2+)andCODCrremovalrate

鐢卞湒3鍙互鐪嬪嚭锛岄毃钁桭e2+鎶曞姞閲忕殑澧炲姞锛孋ODCr鍘婚櫎鐜囧厛杩呴€熷澶э紝鐣�(d膩ng)Fe2+鎶曞姞閲忓ぇ浜�14.4mmol/L鏅�(sh铆)锛孋ODCr鍘婚櫎鐜囪定浜庡钩绶┿€傞€欎富瑕佹槸鍥�?y脿n)娈岶瑭﹀姂浣滅敤鏄綔鐐鸿┎姘у寲鍙嶆噳(y墨ng)楂旂郴鐨勫偓鍖栧姂锛孎(xi脿n)e2+琚哀鍖栧埌Fe3+锛岀劧鍚庤闆欐哀姘村姞姘ц綁(zhu菐n)璁�?y艒u)闀昬OOH2+锛岀劧鍚庡啀閲嬫斁鍑篎e2+鍜孒O2?寰炶€屽畬鎴愪簡涓€鍊�(g猫)鍌寲寰挵(hu谩n)[11]锛屼綔鐐虹茎鍩虹敓鎴愬弽鎳�(y墨ng)鐨勫弽鎳�(y墨ng)鐗�锛屼簩鍍�(ji脿)閻甸洟瀛愮殑鍚噺澶у皬渚濈劧褰遍熆鏁村€�(g猫)鍙嶆噳(y墨ng)鐨勯€�(j矛n)绋嬪拰閫熺巼銆傚洜姝わ紝閬╅噺澧炲ぇFe2+鐨勬績搴︽渻(hu矛)澧炲ぇCODCr鐨勫幓闄ょ巼锛屼絾閬�(gu貌)閲忕殑Fe2+灏�(du矛)浜庡弽鎳�(y墨ng)鐨勫姞閫熸晥鏋滃緢寰急銆�

2.4銆佸弽鎳�(y墨ng)鏅�(sh铆)闁撳皪(du矛)鑵堢陡寤㈡按CODCr鍘婚櫎鐜囩殑褰遍熆

鎺у埗鍒濆pH鐐�3.0锛宑(H2O2)鐐�39.2mmol/L锛宑(Fe2+)鐐�14.4mmol/L锛岃綁(zhu菐n)閫熺偤150r/min锛岃€冨療鍙嶆噳(y墨ng)鏅�(sh铆)闁撹垏鑵堢陡寤㈡按CODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�锛岃│椹�(y脿n)绲�(ji茅)鏋滃鍦�4鎵€绀恒€�

鐢卞湒4鍙互鐪嬪嚭锛屽湪鍙嶆噳(y墨ng)鍓�60min锛孋ODCr鍘婚櫎鐜囬毃鏅�(sh铆)闁撶殑寤堕暦(zh菐ng)鑰屽澶�,鑰屼笖CODCr鐨勫幓闄ゅ熀鏈ぇ閮ㄥ垎鐧�(f膩)鐢熷湪鍓�60min銆備絾60min鍚嶤ODCr鍘婚櫎鐜囧熀鏈笉璁�銆傞€欐槸鍥�?y脿n)姒夌；?y墨ng)鍒濆H2O2鍜孎e2+鐨勬績搴︾浉灏�(du矛)杓冮珮锛岃兘澶犲緢蹇敓鎴�?OH锛屽皫(d菐o)鑷�?OH鐨勯噺鐩稿皪(du矛)瀵岃冻锛屾湁鍒╀簬闄嶈В鍙嶆噳(y墨ng)鐨勯€�(j矛n)琛�銆備絾鏄暥(d膩ng)鍙嶆噳(y墨ng)鍒颁竴瀹氱▼搴︼紝鐢变簬鍙嶆噳(y墨ng)鐨勬秷鑰�锛孒2O2鍜孎e2+鐨勬績搴﹂檷浣�锛岀敓鎴愮茎鍩鸿嚜鐢卞熀鐨勯€熺巼璁婃參锛屼笖鏈夋(j墨)姹℃煋鐗╁惈閲忎篃鍦ㄨ檿鍦ㄨ純浣庢按骞筹紝鍙嶆噳(y墨ng)鐗╂績搴︾殑鏁撮珨涓嬮檷灏�(d菐o)鑷翠簡鍙嶆噳(y墨ng)閫熷害蹇€熶笅闄�銆傚洜姝わ紝鎴戝€戝彲浠ヨ獚(r猫n)鐐�锛孎(xi脿n)enton娉曞湪铏曠悊鑵堢陡寤㈡按鏅�(sh铆)锛屽弽鎳�(y墨ng)杩呴€�锛屽彲浠ュ湪杓冪煭鏅�(sh铆)闁撳収(n猫i)锛�30min锛夊畬鎴愬ぇ閮ㄥ垎鐨勯檷瑙ｅ弽鎳�(y墨ng)锛屽弽鎳�(y墨ng)鍒濓紝鐭檪(sh铆)闁撳収(n猫i)鍙嶆噳(y墨ng)鐨勯€熺巼鏂圭▼闇€瑕佹洿閫�(j矛n)涓€姝ョ窗(x矛)鑷寸殑鑰冨療锛岀瓎鑰呭皣灏�(du矛)姝ゅ仛閫�(j矛n)涓€姝ョ殑鎺㈣◣銆�

鍦�4鍙嶆噳(y墨ng)鏅�(sh铆)闁撳皪(du矛)CODCr鍘婚櫎鐜囩殑褰遍熆
Fig.4EffectofreactiontimeonCODCrremovalrate

2.5銆佹敧鎷屽挤(qi谩ng)搴﹁垏鑵堢陡寤㈡按CODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�

鎺у埗pH鐐�3.0锛宑(H2O2)鐐�39.2mmol/L锛宑(Fe2+)鐐�14.4mmol/L锛屽弽鎳�(y墨ng)鏅�(sh铆)闁撶偤60min锛岃€冨療鏀媽閫熷害鑸囪厛缍稿虎姘碈ODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�锛岃│椹�(y脿n)绲�(ji茅)鏋滃鍦�5鎵€绀�銆�

鐢卞湒5鍙互鐪嬪嚭锛孋ODCr鍘婚櫎鐜囬毃鏀媽寮�(qi谩ng)搴﹀厛澧炲姞锛屽悗瓒ㄤ簬绌�(w臎n)瀹�銆傞€欐槸鐢变簬Fe2+浣滅偤鍌寲鍔戯紝鏈€绲傝姘у寲鎴怓e3+锛屽湪涓€瀹歱H鍊间笅锛岀敓鎴怓e(OH)3鑶犻珨锛屽畠鏈夌诞鍑濅綔鐢紝鍙檷浣庢按涓殑鎳告诞鐗�锛屼絾绲嚌浣滅敤鏈夐檺锛岀暥(d膩ng)鏀媽寮�(qi谩ng)搴﹀鍔犲埌150r/min鍚�锛孋ODCr鍘婚櫎鐜囪定浜庡钩绶┿€�

鍦�5鏀媽寮�(qi谩ng)搴﹁垏CODCr鍘婚櫎鐜囩殑闂�(gu膩n)绯�
Fig.5RelationbetweenstirringintensityandCODCrremovalrate

2.6銆佹浜よ│椹�(y脿n)

鍦ㄥ墠闈㈠柈鍥犵礌瑭﹂(y脿n)鐮旂┒鐨勫熀绀�(ch菙)涓�锛岄€�(j矛n)琛屽洓鍥犵礌涓夋按骞崇殑姝ｄ氦瑭﹂(y脿n)锛屾浜よ〃瑕�(ji脿n)琛�2锛屽叾瑭﹂(y脿n)绲�(ji茅)鏋滃琛�3鎵€绀猴紝寰炶〃3閫氶亷(gu貌)鏁�(sh霉)鎿�(j霉)鍒嗘瀽鍙緱鍑烘サ宸ぇ?銆傜(H2O2)>pH>鍙嶆噳(y墨ng)鏅�(sh铆)闁�>c(Fe2+)锛岃〃鏄嶧enton娉曡檿鐞嗚厛缍哥敓鍖栧嚭姘存檪(sh铆)锛孒2O2鐨勬姇鍔犻噺灏�(du矛)CODCr鍘婚櫎鐜囧奖闊挎渶澶�,鍏舵pH鍊�锛岀劧鍚庢槸Fe2+鐨勬績搴�,鏈€鍚庢墠鏄弽鎳�(y墨ng)鏅�(sh铆)闁�銆�

琛�2姝ｄ氦瑭﹂(y脿n)鍥犵礌姘村钩琛�
Table2Factorsandlevelsoforthogonalexperiment

琛�3姝ｄ氦瑭﹂(y脿n)绲�(ji茅)鏋�
Table3Theresultsoforthogonalexperiment

鐣�(d膩ng)閫�(j矛n)姘碿(CODCr)鐐�240mg/L鏅�(sh铆)锛孎(xi脿n)enton娉曡檿鐞嗚厛缍稿虎姘寸殑鏈€浣宠│椹�(y脿n)姊濅欢鐐篶(Fe2+)鐐�18.0mmol/L锛宑(H2O2)鐐�49.0mmol/L锛宲H鐐�3.0锛屽弽鎳�(y墨ng)鏅�(sh铆)闁撶偤30min锛岃┎姊濅欢涓嬩笅铏曠悊鑵堢陡寤㈡按锛屽嚭姘聪�(CODCr)鐐�47.4mg/L锛孋ODCr鍘婚櫎鐜囩偤80.3%锛岃檿鐞嗘晥鏋滆壇濂�銆�

2.7銆侀亱(y霉n)琛屾垚鏈及瑷�(j矛)

閲囩敤Fenton姘у寲娉曟墍闇€涓昏鍖栧(xu茅)钘ュ姂鐐篐2O2鍜孎eSO4?7H2O浠ュ強瑾�(di脿o)绡€(ji茅)p锛ㄦ墍鐢ㄧ殑纭吀鍜屾矮姘у寲閳�锛孒2O2锛孎(xi脿n)eSO4?7H2O鍒嗗垾鎸夊钩鍧囧競鍫�(ch菐ng)鍍�(ji脿)鏍�800锛�200鍏�/锝旇▓(j矛)绠楋紝瑷�(sh猫)瑾�(di脿o)鍔憄H鎵€闇€鐨勭～閰稿拰姘哀鍖栭垑铏曠悊姣忓櫢寤㈡按闇€瑕�0.5鍏冭▓(j矛)绠�锛屼笉鑰冩叜寤㈡福铏曠悊锛屽湪鏈€浣虫浠朵笅閬�(y霉n)琛屾墍闇€璨�(f猫i)鐢ㄧ偤5.5鍏�/t銆傚啀鍔犲叆鑰冩叜娈�?ji膩n)顝楀箽闋價(sh铆)锛岀稉(j墨ng)婵�(j矛)鎴愭湰绺界殑渚�(l谩i)鐪嬩緷鐒惰純楂�锛屼絾鍥犲叾铏曠悊鐨勫竟搴曟€�锛岃┎鏂规硶浠嶇劧涓嶅け鐐烘繁搴﹁檿鐞嗚厛缍稿虎姘寸殑濂芥柟娉�銆�

3銆佺祼(ji茅)璜�

锛�1锛夐€氶亷(gu貌)鍠洜绱犲(sh铆)椹�(y脿n)鍜屾浜よ│椹�(y脿n)锛岀⒑瀹欶enton娉曟渶浣虫搷浣滄浠讹細Fe2+鎶曞姞閲忕偤18.0mmol/L銆丠2O2鎶曞姞閲忕偤49.0mmol/L銆乸H鍊肩偤3.0銆佸弽鎳�(y墨ng)鏅�(sh铆)闁撶偤30min銆佹敧鎷屽挤(qi谩ng)搴︾偤150r/min銆�

锛�2锛夋浜よ│椹�(y脿n)绲�(ji茅)鏋滆〃鏄庯紝F(xi脿n)enton娉曟繁搴﹁檿鐞嗗共娉曡厛缍稿虎姘寸殑褰遍熆鍥犵礌澶у皬渚濇鐐猴細H2O2鎶曞姞閲�銆佸垵濮媝H鍊笺€丗e2+鎶曞姞閲�銆佸弽鎳�(y墨ng)鏅�(sh铆)闁撱€�

锛�3锛夐€�(j矛n)姘碿(CODCr)鐐�240.4mg/L鏅�(sh铆)锛岀敤Fenton姘у寲鎶€琛�(sh霉)铏曠悊骞叉硶鑵堢陡鐢熷寲鍑烘按锛屽湪鏈€浣宠│椹�(y脿n)姊濅欢锛坈(Fe2+)鐐�18.0mmol/L锛宑(H2O2)鐐�49.0mmol/L锛宲H鐐�3.0锛屽弽鎳�(y墨ng)鏅�(sh铆)闁撶偤30min锛変笅锛孋ODCr鍘婚櫎鐜囧彲閬�(d谩)80.3%锛屽嚭姘碈ODCr鐐�47.4mg/L锛岃檿鐞嗗悗姘磋唱(zh矛)娓呮緢锛屼笖鑳介仈(d谩)鍒板湅(gu贸)瀹舵帓鏀句竴绱�(j铆)妯�(bi膩o)婧�(zh菙n)銆�