闆婚崓寤㈡按鎴愬垎寰�(f霉)闆滐紝鍖呭惈澶氱ó鏈夋(j墨)鐗�銆侀厤鍚堢墿鍜岄幊銆侀妳銆侀墰绛夐噸閲戝爆銆傚叾涓幊鏄湅(gu贸)闅涗笂鍏獚(r猫n)鐨勮嚧鐧岀墿璩�(zh矛)锛屽湪GB8978鈥�1996銆婃薄姘寸稖鍚堟帓鏀炬(bi膩o)婧�(zh菙n)銆嬩腑琚鐐虹涓€椤�(l猫i)姹℃煋鐗�銆�

閹冲強鍏跺寲鍚堢墿涓嶅儏鑳藉湪鍦熷￥涓瘜闆�锛屽奖闊胯静(n贸ng)浣滅墿鐨勬甯哥敓闀�(zh菐ng)锛屽湪姘撮珨涓皪(du矛)姘寸敓鐢熺墿涔熷叿鏈夋槑椤殑姣掓€�锛屽奖闊挎按鐢熷嫊(d貌ng)妞嶇墿鐨勭敓闀�(zh菐ng)鍜屾紒妤�(y猫)鐢熺敘(ch菐n)銆�

鐩墠铏曠悊鍚幊寤㈡按鐨勬柟娉曟湁鍖栧(xu茅)铏曠悊娉�銆侀洟瀛愪氦鎻涙硶銆侀浕瑙ｆ硶鍜屽弽婊查€忔妧琛�(sh霉)绛�锛岄€欎簺鎶€琛�(sh霉)鍚勬湁鍎�(y艒u)缂洪粸(di菐n)锛屽叾涓寲瀛�(xu茅)铏曠悊娉曟渶鐐哄父鐢�銆�

鍦ㄥ(sh铆)闅涜檿鐞嗕腑锛屽父瑕�(gu墨)鍖栧(xu茅)铏曠悊娉曠殑铏曠悊鏁堟灉杓冨樊锛岄渶瑕佽ō(sh猫)缃悗绾�(x霉)闆㈠瓙浜ゆ彌瑁濈疆鎵嶈兘淇濊瓑鍑烘按绺介幊閬�(d谩)鍒扮浉闂�(gu膩n)妯�(bi膩o)婧�(zh菙n)锛岃€岄洟瀛愪氦鎻涙ü(sh霉)鑴傚父鍥�?y脿n)妲姺娓岊巰琚(j墨)姹℃煋鐗╂績搴﹁純楂樼殑褰遍熆锛屼娇鐢ㄥ＝鍛芥笡鐭�锛岄€�(j矛n)鑰屽奖闊夸簡鏁村€�(g猫)绯荤当(t菕ng)鐨勭附閹宠檿鐞嗘晥鏋�锛屽悓鏅�(sh铆)澧炲姞浜嗛亱(y霉n)琛屾垚鏈�銆�

鍥犳鏈夊繀瑕佹帰绱㈡洿鐐烘湁鏁堣€岀┅(w臎n)瀹氱殑鍚幊寤㈡按鍖栧(xu茅)铏曠悊鏂规硶銆�

寤ｆ澅鏌愰浕閸嶅粻鍙嶆徊閫忓伐钘濅腑鐢�(ch菐n)鐢熺殑楂樻績搴﹀惈閹虫績姘寸稉(j墨ng)鍘熸湁宸ヨ棟铏曠悊鍚�锛岄幊鍚噺鍙┅(w臎n)瀹氫綆浜�0.5mg/L锛屽湪鑸囧叾浠栧虎姘存贩鍚�(娣峰悎楂旂⿳姣旂磩鐐�1锛�2)鍚�锛岀附閹虫績搴﹀彲寰楀埌绋€閲�?zhu膩n)顑愵倕瑭縪(w煤)娉曢仈(d谩)鍒癎B21900-2008銆婇浕閸嶆薄鏌撶墿鎺掓斁妯�(bi膩o)婧�(zh菙n)銆嬩腑琛�3瑕佹眰(绺介幊鍚噺灏忎簬0.1mg/L)銆�

鐐轰娇鍏剁附閹抽仈(d谩)妯�(bi膩o)鎺掓斁锛屾湰鏂囬噰鐢ㄥ牽娌夋穩涓€纾烽吀楣芥矇娣€鍏╃礆(j铆)娌夋穩娉曞皪(du矛)鍏堕€�(j矛n)琛岃│椹�(y脿n)鐮旂┒锛屼互婊胯冻琛�3妯�(bi膩o)婧�(zh菙n)銆�

瀵�(sh铆) 椹�(y脿n)

1 寤㈡按鐨勭祫鎴�

瑭﹂(y脿n)寤㈡按鍙栬嚜寤ｆ澅鏌愬寲瀛�(xu茅)闆婚崓寤犲弽婊查€忓伐钘濅腑鐢�(ch菐n)鐢熺殑楂樻績搴﹀惈閹虫績姘�锛屽叾姘磋唱(zh矛)鎸囨(bi膩o)鐐猴細绺介幊232mg/L锛岀附纾�0.20mg/L锛孋OD13.6mg/L锛宲H2.72銆�

2 瑭﹀姂

NaClO(鏈夋晥姘墺10%)锛屽垎鏋愮磾NaOH鍜孨a2HPO4锛岃仛鍚堢～閰搁惖(PFS锛屽叏閻靛惈閲忕磩19%锛屽伐妤�(y猫)鍝�)銆�

3 寤㈡按鐨勮檿鐞�

瑭﹂(y脿n)寤㈡按鐨勮檿鐞嗘祦绋嬬偤锛氬寲瀛�(xu茅)姘у寲鐮寸怠(lu貌)涓€鍒濇娌夋穩涓€浜屾娌夋穩銆�

1.鍖栧(xu茅)姘у寲鐮寸怠(lu貌)

鐐虹⒑淇濆叐绱�(j铆)娌夋穩娉曞彲鏈夋晥鍘婚櫎寤㈡按涓殑閹�锛屽厛灏�(du矛)寤㈡按閫�(j矛n)琛屽寲瀛�(xu茅)姘у寲鐮寸怠(lu貌)铏曠悊銆�

鐢变簬寤㈡按鍛堝挤(qi谩ng)閰告€�锛屽彲鐩存帴鎶曞姞NaC10锛屽埄鐢∟aC10鐨勫挤(qi谩ng)姘у寲鎬х牬澹炲虎姘翠腑鏈夊彲鑳借垏閹冲舰鎴愰厤鍚堢墿鐨勬湁姗�(j墨)鐗╋紝浣垮叾杞�(zhu菐n)璁�?y艒u)姗涘潪x鐨勯幊闆㈠瓙锛屼互渚垮悗绾�(x霉)娌夋穩娉曞幓闄ら幊锛孨aCIO鐨勬姇鍔犻噺鐐�1mL/L銆�

2.鍒濇娌夋穩

25鈩冩檪(sh铆)锛孨i(OH)2鐨勬憾搴︾⿳銆侹sp=2.0脳10-15

鎻愰珮寤㈡按鐨凮H涓€婵冨害鍙績閫�(j矛n)Ni(OH)2鐢熸垚锛屽皣寤㈡按闈滅疆娌夋穩鍗冲彲闄ゅ幓寤㈡按涓殑閹�銆�

鏁呭彲鍚戞哀鍖栫牬绲�(lu貌)鍚庣殑楂樻績搴﹀惈閹冲虎姘翠腑鎶曞姞涓€瀹氶噺鐨勫牽锛屼互鎻愰珮寤㈡按pH锛屼娇娓搁洟鎱�(t脿i)鐨勯幊闆㈠瓙鑸嘜H涓€鐢熸垚Ni(OH)2娌夋穩鑰屽緱浠ュ幓闄�銆�

鏈伐钘濆厛鎶曞姞30%(璩�(zh矛)閲忓垎?j菒n)?sh霉))NaOH婧舵恫瑾�(di脿o)绡€(ji茅)pH骞舵敧鎷岋紝闈滅疆娌夋穩鍚�锛屽彇涓婃竻娑叉脯(c猫)瀹氱附閹虫績搴︼紝浠ヨ€冨療鍒濇娌夋穩涓璸H灏�(du矛)鍒濇娌夋穩鍑烘按绺介幊婵冨害鐨勫奖闊�銆�

3.浜屾娌夋穩

鍒濇娌夋穩鑳介櫎鍘荤禃澶ч儴鍒嗙殑閹�锛屼笖褰㈡垚鐨勬矮姘у寲閹崇磾搴﹁純楂�锛屽彲浣滅偤璩囨簮鍥炴敹銆�

鍒濇娌夋穩鍚�锛屽虎姘翠腑浠嶅瓨鍦ㄨ純浣庢績搴︾殑閹�锛屾晠闇€灏�(du矛)鍒濇娌夋穩鍑烘按閫�(j矛n)琛屼簩娆℃矇娣€铏曠悊銆�

25鈩冩檪(sh铆)锛孨i3(PO4)2鐨勬憾搴︾⿳Ksp=5.0脳10-31锛屽彲鍒╃敤纾烽吀鏍归洟瀛愬幓闄ゅ垵娆℃矇娣€鍑烘按涓畼浣欑殑閹抽洟瀛�銆�

浜屾娌夋穩铏曠悊鍒嗙偤鍏╂锛�

(1)鍙栦竴瀹氶噺鍒濇娌夋穩鍑烘按锛屾姇鍔犱竴瀹氶噺鐨凬a2HPO4锛屾敧鎷屽弽鎳�(y墨ng)鍚�锛岃(di脿o)绡€(ji茅)pH锛岄潨缃矇娣€锛屾脯(c猫)瀹氫笂娓呮恫涓殑绺介幊婵冨害鍜岀附纾锋績搴�;

(2)鍦�(1)鍙嶆噳(y墨ng)瀹岀暍鍚�锛岀辜绾�(x霉)鎶曞姞涓€瀹氶噺鐨凱FS锛屾敧鎷屽弽鎳�(y墨ng)鍚庨潨缃矇娣€锛屾脯(c猫)瀹氫笂娓呮恫pH銆佺附閹冲拰绺界７婵冨害銆�

4 姘磋唱(zh矛)鍒嗘瀽

pH閲囩敤涓婃捣闆风鐨凱HS.3C鍨媝H瑷�(j矛)娓�(c猫)瀹�?锛熷倹鍤ユ崕鏋氥€婎挃顏婄碃姝㈠い鑸涚‘顭倅(c猫)瀹氾紝绺界７(TP)閲囩敤閬�(gu貌)纭吀閴€涓€閴吀閵ㄥ垎鍏夊厜搴︽硶娓�(c猫)瀹�銆�

绲�(ji茅)鏋滆垏瑷庤珫

1 鍒濇娌夋穩瑭﹂(y脿n)

鐐鸿€冨療涓嶅悓pH涓嬪垵娆℃矇娣€鐨勭附閹冲幓闄ゆ晥鏋�锛屽彇澶氫唤1000mL瑭﹂(y脿n)寤㈡按锛屽垎鍒ユ姇鍔�30%NaOH婧舵恫瑾�(di脿o)绡€(ji茅)寤㈡按pH鑷�8.0銆�8.5銆�9.0銆�9銆�5銆�10.0鍜�10.5锛屾敧鎷屽悗闈滅疆娌夋穩鍦�1鎵€绀�銆�

鏍规摎(j霉)Ni(OH)2鐨勬憾搴︾⿳鐞嗚珫瑷�(j矛)绠�锛岀暥(d膩ng)pH=9.5鏅�(sh铆)锛岄幊闆㈠瓙鍙矇娣€瀹屽叏銆�

鐢卞湒1鍙煡锛岀暥(d膩ng)pH寰�8.0鍗囪嚦9.0鏅�(sh铆)锛屽虎姘寸殑绺介幊婵冨害鍑虹従(xi脿n)椹熼檷鐝�(xi脿n)璞�锛岄毃鍚巔H鍗囬珮灏�(du矛)閹冲幓闄ゆ晥鏋滅殑褰遍熆寰堝皬銆�

pH锛�9.0鏅�(sh铆)锛岀附閹冲緸鍘熸按鐨�232mg/L闄嶈嚦6.52mg/L~鑰宲H锛�9.5鏅�(sh铆)锛屼笂娓呮恫鐨勭附閹虫績搴︾偤4.00mg/L銆�

鍒濇娌夋穩鍑烘按鐨勭附閹虫績搴︽焙瀹氫簡浜屾娌夋穩钘ュ姂鐨勪娇鐢ㄩ噺銆�

鐐烘彁楂樼附閹冲幓闄ょ巼锛岀洝閲忛檷浣庡垵娆℃矇娣€鍑烘按鐨勭附閹虫績搴�锛屼互娓涘皯浜屾娌夋穩鐨勬姇钘ラ噺锛岄伕鎿噋H=9.5浣滅偤鍒濇娌夋穩鐨勬渶浣硃H銆�

 
2 浜屾娌夋穩瑭﹂(y脿n)

1.pH灏�(du矛)浜屾娌夋穩鐨勫奖闊�

鐐虹⒑瀹氫簩娆℃矇娣€鍙嶆噳(y墨ng)鍚庣殑pH灏�(du矛)绺介幊鍘婚櫎鏁堟灉鐨勫奖闊�锛屽彇澶氫唤100mL鐨勫垵娆℃矇娣€鍑烘按锛屽垎鍒ユ姇鍔�100mg/LNa2HPO4锛屾敧鎷屽弽鎳�(y墨ng)15min鍚�锛岀敤5%NaOH婧舵恫瑾�(di脿o)绡€(ji茅)pH鑷�7.5銆�8.0銆�8.5銆�9.0銆�9.5鍜�10.0锛岄潨缃矇娣€鍚庡彇涓婃竻娑叉脯(c猫)瀹氱附閹虫績搴�锛岀祼(ji茅)鏋滃鍦�2鎵€绀恒€�

鐢卞湒2鍙互鐪嬪嚭锛屾彁楂樺垵娆℃矇娣€鍚庣殑pH鏈夊埄浜庨€�(j矛n)涓€姝ュ幓闄ゅ虎姘翠腑鐨勯幊銆�

鐣�(d膩ng)pH=10.0鏅�(sh铆)锛屼笂娓呮恫鐨勭附閹虫績搴︾磩鐐篛.16mg/L锛屽皬浜�0.20mg/L锛屽皪(du矛)鎳�(y墨ng)鐨勭附閹冲幓闄ょ巼鍙仈(d谩)99.93%銆傚皣鍑烘按鑸囧叾浠栧虎姘存贩鍚堢█閲嬪嵆鍙綆浜�0.1mg/L銆�

鑻ラ€�(j矛n)涓€姝ユ彁楂榩H锛屽墖鏈�(hu矛)浣胯檿鐞嗗悗鐨勫虎姘村牽搴﹀お澶�锛屾晠纰哄畾浜屾娌夋穩鐨勬渶浣硃H鐐�10.0銆�

 
2.Na2HPO4鎶曞姞閲忕殑褰遍熆

浠a2HPO4鐐烘矇娣€鍔�锛岄櫎闇€鑰冩叜鍏跺皪(du矛)閹崇殑鍘婚櫎鏁堟灉澶�锛岄倓鎳�(y墨ng)娉ㄦ剰鍒拌┎娌夋穩鍔戠殑寮曞叆鍙兘鏈�(hu矛)浣垮虎姘寸殑绺界７婵冨害鍗囬珮銆�

鐐虹⒑瀹氫笉鍚孨a2HPO4鎶曞姞閲忓皪(du矛)浜屾娌夋穩鍑烘按绺介幊鍜岀附纾风殑褰遍熆锛屽彇澶氫唤100mL鐨勫垵娆℃矇娣€鍑烘按锛屽垎鍒ユ姇鍔爈2.5銆�25銆�50銆�100銆�200鍜�300mg/LNa2HPO4锛屾敧鎷屽弽鎳�(y墨ng)15rain鍚�锛屽埄鐢�5%NaOH婧舵恫瑾�(di脿o)绡€(ji茅)pH鑷�10.0锛岄潨缃矇娣€锛屽彇涓婃竻娑叉脯(c猫)瀹氱附閹冲拰绺界７锛岀祼(ji茅)鏋滃鍦�3鎵€绀�銆�

鍦�3琛ㄦ槑锛屽澶a2HPO4鎶曞姞閲忔湁鍒╀簬閫�(j矛n)涓€姝ュ幓闄ゅ虎姘翠腑鐨勯幊锛岀暥(d膩ng)Na2HPO4鎶曞姞閲忊墺50mg/L鏅�(sh铆)锛岀附閹虫績搴﹀彲绌�(w臎n)瀹氫綆浜�0.20mg/L銆�

浣哊a2HPO4鎶曞姞閲忕殑澧炲ぇ鏈�(hu矛)浣垮嚭姘寸附纾峰崌楂�锛岀暥(d膩ng)鎶曞姞閲忓ぇ浜�50mg/L鏅�(sh铆)锛屽嚭姘寸附纾锋績搴︽槑椤笂鍗�銆傜偤纰轰繚浜屾娌夋穩鍚庡嚭姘寸附閹虫績搴﹀皬浜�0.2mg/L锛屽苟鐩￠噺鎺у埗绺界７婵冨害锛岀⒑瀹氫簩娆℃矇娣€鐨凬a2HPO4鎶曞姞閲忕偤50mg/L銆�

 
3.鑱氬悎纭吀閻垫坊鍔犻噺鐨勫奖闊�

鐐洪€�(j矛n)涓€姝ュ槜瑭﹂檷浣庝簩娆℃矇娣€鍑烘按鐨勭附纾�锛屼娇鐢ㄨ仛鍚堢～閰搁惖灏�(du矛)浜屾娌夋穩鍑烘按閫�(j矛n)琛岃檿鐞嗐€�

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