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濡備綍鏈夋晥鎺у埗NOx鎺掓斁锛岄檷浣庡ぇ姘ｄ腑NOx鐨勬績搴﹀凡鎴愮偤杩戝勾渚嗘墍瑕佽В姹虹殑棣栬鍟忛銆�2011骞�7鏈�锛屽湅瀹跺嚭鑷哄彶涓婃渶鍤存牸鐨勭伀闆诲粻澶ф埃姹℃煋鐗╂帓鏀炬(bi膩o)婧�(zh菙n)(GB13223-2011) 锛屾(bi膩o)婧�(zh菙n)涓皪鐕冪叅闆诲粻NOx鐨勬帓鏀炬寚妯�(bi膩o)銆佸畬鎴愭檪闁撳潎閫茶浜嗘槑纰鸿姹�銆傞伕鎿囨€у偓鍖栭倓鍘熸硶(ivecatalyticreduction锛孲CR)鐢变簬鍏锋湁绯荤当(t菕ng)绨″柈銆佽純楂樼殑鍙潬鎬�銆佽劔纭濇晥鐜囬珮绛夊劒(y艒u)榛�锛屽凡鎴愮偤鐣�(d膩ng)鍓嶄笘鐣屼笂寤ｆ硾鎳�(y墨ng)鐢ㄧ殑鐓欐埃鑴鎶€琛�(sh霉)銆�

SCR鎶€琛�(sh霉)鐨勬牳蹇冩槸SCR鑴鍌寲鍔�锛屽叾鎬ц兘鐩存帴褰遍熆鍒版暣鍊婼CR鑴绯荤当(t菕ng)鐨勬€ц兘銆傜暥(d膩ng)鍓嶆噳(y墨ng)鐢ㄦ渶鐐哄唬娉涚殑鑴鍌寲鍔戞槸浠iO2鐐鸿級楂旓紝璨犺級V2O5浣滅偤娲绘€х墿璩�(zh矛)锛屼互WO3鎴朚oO3浣滅偤鍔╁偓鍖栧姂鐨勯噾灞哀鍖栫墿鍌寲鍔�锛屾寜鐓х祼(ji茅)妲�(g貌u)褰㈠紡涓昏鍒嗙偤铚傜寮忚劔纭濆偓鍖栧姂銆佸钩鏉垮紡鑴鍌寲鍔戜互鍙婃尝绱嬫澘寮忚劔纭濆偓鍖栧姂锛岀洰鍓嶅湅鍏�(n猫i)鎳�(y墨ng)鐢ㄦ渶鐐哄唬娉涚殑鏄渹绐╁紡鑴鍌寲鍔戝拰骞虫澘寮忚劔纭濆偓鍖栧姂銆�

鐢变簬閸嬬垚鐪佺叅鍣ㄥ嚭鍙ｇ厵姘ｇ殑婧害鍦�300~400鈩冧箣闁擄紝鍓涘ソ閬斿埌鑴鍌寲鍔戠殑鏈€浣虫€ц兘宸ヤ綔婧害锛屽洜姝CR鍙嶆噳(y墨ng)鍣ㄥ畨瑁濆湪閸嬬垚鐪佺叅鍣ㄥ拰绌烘埃闋�(y霉)鐔卞櫒涔嬮枔锛岃┎绋柟寮忕ū鐐洪珮濉靛竷缃柟寮廩2]銆傞珮濉靛竷缃柟寮忎笅鑴鍌寲鍔戣兘鐧�(f膩)鎻埌鏈€浣虫椿鎬�锛屼絾涓嶅彲閬垮厤鐨勫彈鍒扮厵姘ｄ腑绮夊〉鐨勬矕鍒峰苟浣垮叾涓瘨锛岃€屼笖鐓欐埃婧害閬庨珮閫犳垚鍌寲鍔戠噿绲�(ji茅)寰炶€屽け娲�锛岄€欎簺閮藉皣褰遍熆鍒板偓鍖栧姂鐨勫＝鍛�锛岀暥(d膩ng)鍌寲鍔戞椿鎬ч檷浣庡埌閬斾笉鍒拌姹傜殑鑴鎬ц兘锛屽繀闋堝皪鍏堕€茶鏇存彌[3]銆�

閲濆皪澶辨椿鐨勫偓鍖栧姂锛屼竴閮ㄥ垎鍙互閫氶亷鍐嶇敓寰炶€屽鐝�(xi脿n)鍐嶆鍒╃敤锛屽叾浣欓儴鍒嗙敱浜庣劇娉曞啀鐢熸垚鐐哄虎鑸婅劔纭濆偓鍖栧姂銆傞毃钁桽CR宸ヨ棟鍦ㄧ噧鐓ら浕寤犱腑鐨勫唬娉涙噳(y墨ng)鐢紝澶辨晥SCR鍌寲鍔戠殑鏁�(sh霉)閲忓皣瓒婁締瓒婂锛屽€樿嫢灏嶉€欎簺寤㈣垔鍌寲鍔戜笉鍔犺檿缃€岄毃鎰忓爢缃～鍩嬬殑瑭�锛屼竴鏂归潰鏈冨崰鐢ㄥぇ閲忕殑鍦熷湴璩囨簮锛屽鍔犻浕寤犲拰鍌寲鍔戝埗閫犱紒妤�(y猫)鐨勬垚鏈�锛�

鍙︿竴鏂归潰鍌寲鍔戝湪浣跨敤閬庣▼涓墍鍚搁檮鐨勪竴浜涙湁姣�銆佹湁瀹崇墿璩�(zh矛)閫插叆鍒拌嚜鐒剁挵(hu谩n)澧�锛岀壒鍒ユ槸姘撮珨銆佸湡澹�锛岀郸鐠�(hu谩n)澧冨付渚嗗毚閲嶅嵄瀹�锛涘悓鏅傚虎鑸奡CR鍌寲鍔戝叾涓墍鍚悇绋湁鍍归噾灞硣婧愭矑鑳藉緱鍒板埄鐢紝涔熼€犳垚鏈夋晥璩囨簮鐨勫法澶ф氮璨�銆�

2016骞�6鏈�14鏃�锛岀挵(hu谩n)淇濋儴銆佺櫦(f膩)鏀瑰銆佸叕瀹夐儴姝ｅ紡鐧�(f膩)甯冦€婂湅瀹跺嵄闅虎鐗╁悕閷勩€嬶紝鏄庣⒑灏囧虎鑸婅劔纭濆偓鍖栧姂鍒楃偤HW50寤㈠偓鍖栧姂銆傚洜姝ら枊灞曞虎鑸婅劔纭濆偓鍖栧姂鐨勫洖鏀跺埄鐢ㄩ’寰楀挨鐐洪噸瑕侊紝涓嶅儏鑳介伩鍏嶅皪鐠�(hu谩n)澧冮€犳垚姹℃煋锛屽悓鏅傝兘澶�?q奴)宕縁(xi脿n)璩囨簮鐨勬湁鏁堝埄鐢╗4]銆�

1寤㈣垔SCR鍌寲鍔戝洖鏀跺埄鐢�

灏嶄簬寤㈣垔鑴鍌寲鍔戠殑鍥炴敹铏曠悊鐩墠浠嶉泦涓湪瀵﹂瀹ょ爺绌堕殠娈�锛屽湅鍏�(n猫i)澶栧彲渚涘弮鑰冪殑鏂囩嵒璩囨枡杓冪偤鏈夐檺锛岀暥(d膩ng)鍓嶅苟娌掓湁鐢�(ch菐n)妤�(y猫)鍖栨噳(y墨ng)鐢ㄧ殑鎴愮啛鎶€琛�(sh霉)銆�

鐣�(d膩ng)鍓嶇爺绌朵富瑕侀泦涓簬閲囩敤骞叉硶銆佹繒娉曟垨骞叉繒娣峰悎娉曠瓑鎶€琛�(sh霉)灏嶅虎鐓欐埃鑴鍌寲鍔戜腑鏈夎純楂樺児鍊肩殑鍏冪礌鍥炴敹鍒╃敤銆備笅闈㈠氨渚濇摎(j霉)涓嶅悓鐨勮檿鐞嗘柟娉曞皪寤㈣垔鑴鍌寲鍔戠殑鍥炴敹鍒╃敤鐮旂┒鎯呮硜閫茶绨¤浠嬬垂銆�

1.1骞叉硶鍥炴敹鎶€琛�(sh霉)

骞叉硶鍥炴敹閫氬父鏄噰鐢ㄥ浐楂斿牽(NaOH鎴朜a2CO3)鑸囨竻娲楀悗鐨勫虎鑸婅劔纭濆偓鍖栧姂娣峰悎锛屼簬650鈩冨乏鍙崇伡鐕掔啍铻嶏紝浣垮叾涓殑V2O5鍜學O3銆丮oO3杞�(zhu菐n)璁�?y艒u)妯楊啛鑻勭紭鎷烠閰搁菇鍜岄帰閰搁菇銆侀壃閰搁菇锛孴iO2杞�(zhu菐n)璁�?y艒u)娈佷絸鐚亇锛屽啀鍔犲叆姘撮€茶閬庢烤娴告棘锛岄垿閰搁菇閬囨按褰㈡垚寰憾浜庢按鐨勫亸閳﹂吀锛屾烤娑蹭腑鐨勯嚛閰搁菇鍜岄帰閰搁菇銆侀壃閰搁菇缍�(j墨ng)娌夋穩銆侀亷婵惧伐钘濆垎闆㈠緱鍒伴嚛銆侀帰銆侀壃銆�

鏉庡寲鍏╗5]绛夐噰鐢ㄥ牽绯荤啍楣芥妧琛�(sh霉)锛屽皣鐮旂（鑷充竴瀹氱窗搴︾殑寤㈣垔鑴鍌寲鍔�(绮掑緫锛�45渭m锛岀矑瀛愯唱(zh矛)閲忓垎鏁�(sh霉)灏忎簬5%)鑸囧浐楂旀矮姘у寲閳夐€茶鐔旈菇鍙嶆噳(y墨ng)锛屽皣閳�銆侀帰銆侀嚛涓夌ó鍏冪礌浣庢韩鍫跨郴杞�(zhu菐n)鍖�锛岀啍楣藉弽鎳�(y墨ng)鏅傞枔鎺у埗鐐�60min锛岀啍楣藉弽鎳�(y墨ng)婧害鎺у埗鍦�(500卤5)鈩�锛屽虎鑸婅劔纭濆偓鍖栧姂鑸囧浐楂旀矮姘у寲閳夌殑璩�(zh矛)閲忔瘮鐐�1鈭�1.5鐨勬浠朵笅锛岄噰鐢ㄩ洟瀛愪氦鎻涙繁搴﹂櫎闆滄妧琛�(sh霉)铏曠悊鑴鍌寲鍔�锛屽洖鏀朵簩姘у寲閳�銆佷簲姘у寲浜岄嚛銆佷笁姘у寲閹紝鏁堟灉鑹ソ銆�

鏈辨倕[6]绛夊皣寤㈣垔鑴鍌寲鍔戠牬纰庡苟缍�(j墨ng)楂樻韩鐒欑噿闋�(y霉)铏曠悊鍚庯紝鎸夋瘮渚嬪姞鍏a2CO3骞舵贩鍚�銆佺矇纰庯紝閫茶楂樻韩鐒欑噿銆傜噿绲�(ji茅)濉婄矇纰庡悗鎶曞叆鐔辨按涓敧鎷屾蹈鍑�銆傛墍寰楅垿閰搁菇鍔犲叆纭吀锛岀稉(j墨ng)閬庢烤銆佹按娲�銆佺剻鐕�锛屽緱鍒癟iO2銆傛蹈鍑哄悗鐨勬烤娑插姞纭吀瑾�(di脿o)绡€(ji茅)pH鑷�8.0~9.0锛屽啀鍔犲叆閬庨噺NH4Cl娌夐嚛銆傚皣閬庢烤寰楀埌鐨凬H4VO3缍�(j墨ng)楂樻韩鍒嗚В銆佸埗寰梀2O5鎴愬搧銆�

娌夐嚛鍚庣殑婵炬恫鍔犻菇閰歌(di脿o)绡€(ji茅)pH鑷�4.5~5.0锛屽啀鍔犲叆CaCl2娌夐壃銆侀帰锛岄亷婵炬墍寰桟aMoO4鍜孋aWO4鐢ㄩ菇閰歌檿鐞嗗啀缍�(j墨ng)鐒欑噿鍗冲彲寰桵oO3鑸嘩O3銆�

涔熸湁鏂囩嵒鍫遍亾[7]灏囧虎閲╁偓鍖栧姂鐩存帴閫茶楂樻韩娲诲寲锛岀剻鐕�锛岀劧鍚庨噰鐢ㄧ⒊閰告矮閳夊拰姘吀閴€婧舵恫娴稿嚭骞舵哀鍖�锛屾帴钁楅亷婵�銆佹績绺蹈鍑烘恫锛屽啀鍔犲叆姘寲閵ㄥ緱鍒板亸閲╅吀閵ㄦ矇娣€锛屽共鐕�銆佺厖鐕掑緱鍒颁簲姘у寲浜岄嚛銆�

骞叉硶鍥炴敹鎶€琛�(sh霉)鑳借€楅珮鍙婂牽娑堣€楅噺澶�锛屽洖鏀舵垚鏈珮銆傚悓鏅�锛岀敱浜庡虎鑸婂偓鍖栧姂涓璖iO2锛孉l2O3绛夐洔璩�(zh矛)鐒欑噿鏅�锛岄嚛鑸囧叾鍙嶆噳(y墨ng)杞�(zhu菐n)鍖栫偤涓嶆憾浜庢按鐨勫惈閲╃閰搁菇锛岄€犳垚閲╃殑娴稿嚭鐜囬檷浣�锛岃┎宸ヨ棟闇€閫蹭竴姝ユ帰绱㈠劒(y艒u)鍖�銆�

1.2婵曟硶鍥炴敹鎶€琛�(sh霉)

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