濡備綍鎻愰珮鍚摤搴熸按鐨勫鐞嗘晥鐜?/p>
閾瀛愮敱浜庡叾姣掓�у拰鐢熺墿闅鹃檷瑙ｆ�ц�屾垚涓烘寔涔呮�ф薄鏌撶墿锛?/p>
鍏剁洿鎺ユ帓鏀惧埌姘翠綋涓細閫犳垚姘寸幆
澧冪殑涓ラ噸姹℃煋
.
鍚摤搴熸按涓昏鏉ユ簮浜庣數闀�銆?/p>
鍒堕潻浠ュ強閲戝睘鍔犲伐绛夎涓氾紝
閾瀛愬湪搴熸按涓富瑕?/p>
浠?/p>
Cr(
鈪?/p>
)
鍜?/p>
Cr(
鈪?/p>
)
褰㈠紡瀛樺湪
.
鐢变簬
Cr(
鈪?/p>
)
鐨勬瘨鎬ф瘮
Cr(
鈪?/p>
)
鏇村ぇ锛屾墍浠ヨ澶氬鑰呰嚧鍔涗簬鍚?/p>
Cr(
鈪?/p>
)
搴熸按娌荤悊鐨勭爺绌朵笂
.
鍚?/p>
Cr(
鈪?/p>
)
搴熸按鐨勫鐞嗘柟娉曚富瑕佹湁鍖栧杩樺師娌夋穩娉?/p>
[1, 2, 3]
銆?/p>
鍚?/p>
闄勬硶
[4, 5, 6, 7]
銆?/p>
绂诲瓙浜ゆ崲娉?/p>
[8, 9, 10]
浠ュ強寰敓鐗╂硶
[11, 12, 13]
绛?/p>
.
鐩墠瀹為檯宸ョ▼涓?/p>
搴旂敤杈冨鐨勬柟娉曚负鍖栧杩樺師娉曪紝鍏朵富瑕侀�氳繃鍚戝簾姘翠腑鎶曞姞杩樺師鍓?/p>
(
濡?/p>
FeSO4
銆?/p>
NaHSO3
銆?/p>
Na2SO3
浠ュ強姘村悎鑲肩瓑
)
锛屽皢
Cr(
鈪?/p>
)
杩樺師涓?/p>
Cr(
鈪?/p>
)
锛屽啀鍔犲叆涓�瀹氶噺鐨勭⒈锛屼娇
Cr(
鈪?/p>
)
杞寲涓烘阿
姘у寲鐗╂矇娣�灏嗗叾闄ゅ幓
.
浣嗙敱浜?/p>
Cr(OH)3
娌夋穩棰楃矑缁嗗皬锛?/p>
寰�寰�闇�鎶曞姞涓�瀹氱殑绲嚌鍓?/p>
(
濡?/p>
PAC
銆?/p>
PAM
绛?/p>
)
鍔╂矇锛?/p>
鎵嶈兘浣垮浐娑叉湁鏁堝垎绂?/p>
.
杩欐牱灏卞鍔犱簡鑽墏鐨勭绫诲拰鐢ㄩ噺锛?/p>
浣垮惈閾簾姘存不鐞嗚垂鐢ㄥ鍔?/p>
.
鏈爺绌堕噰鐢ㄥ寲瀛﹀悎鎴愭柟娉曞皢鍚～鍩哄洟
(
浜岀～浠ｇ晶鍩?/p>
)
寮曞叆鍒扮幇鏈夐珮鍒嗗瓙绲嚌鍓傝仛涔欑儻浜?/p>
鑳虹殑澶у垎瀛愮粨鏋勪腑锛屽埗澶囧嚭浜嗕竴绉嶆柊鍨嬮珮鍒嗗瓙绲嚌鍓傝仛涔欑儻浜氳兒鍩洪粍鍘熼吀閽?/p>
(PEX)[14]
锛屽叾
鍚屾椂鍏锋湁姘у寲杩樺師銆?/p>
铻悎娌夋穩浠ュ強绲嚌绛夊閲嶅姛鑳斤紝鍙互鍦ㄤ笉澧炲姞澶勭悊璁惧鍜屾瀯绛戠墿鐨勫熀
纭�涓婏紝鐩存帴鍒╃敤鍖栧杩樺師娉曠殑鐜版湁璁惧灏嗗簾姘翠腑鐨勯摤寰椾互鏈夋晥鍘婚櫎
.
閲囩敤璇ョ诞鍑濆墏澶勭悊鍚摤
搴熸按锛屼富瑕侀�氳繃鍏跺垎瀛愮粨鏋勪腑鐨勪簩纭唬缇у熀灏?/p>
Cr(
鈪?/p>
)
杩樺師涓?/p>
Cr(
鈪?/p>
)
锛岃�?/p>
Cr(
鈪?/p>
)
鍙堝彲浠ヤ笌浜?/p>
纭唬缇у熀鍙戠敓铻悎浣滅敤鐢熸垚涓嶆憾鎬ф矇娣�鐗╋紝璇ユ矇娣�鐗╄繘涓�姝ラ�氳繃
PEX
澶у垎瀛愮粨鏋勭殑鍚搁檮鏋?/p>
妗ャ�?/p>
缃戞崟绛夌诞鍑濅綔鐢紝
鍔犲揩绲綋鐨勫嚌鑱氬拰娌夐檷閫熺巼锛?/p>
绲綋鍙湪杈冪煭鏃堕棿鍐呬笌搴熸按蹇�熷垎绂伙紝
搴熸按涓殑閾緱浠ユ湁鏁堝幓闄わ紝浣垮惈閾簾姘寸殑娌荤悊鍙樺緱绠�鍗曟槗琛?/p>
.
鏈枃閫氳繃瀵瑰簾姘翠腑
Cr(
鈪?/p>
)
鍒濆娴撳害銆?/p>
pH
鍊笺�?/p>
搴熸按涓父瑙佹棤鏈虹墿璐ㄤ互鍙婃祳搴︾瓑褰卞搷鍥?/p>
绱犵殑鑰冨療锛?/p>
鍊熷姪绾㈠鍏夎氨
(FIIR)
瀵圭诞浣撹繘琛岃〃寰佸垎鏋愶紝
閫氳繃鐮旂┒楂樺垎瀛愮诞鍑濆墏
PEX
澶勭悊鍚摤
搴熸按鐨勬�ц兘鍙婃満鍒讹紝浠ユ湡瀵瑰惈閾簾姘寸殑澶勭悊鎻愪緵瀹為獙鏁版嵁鍜岀悊璁轰緷鎹?/p>
.
1
鏉愭枡涓庢柟娉?/p>
1.1
涓昏璇曞墏涓庝华鍣?/p>
PEX
鐢辫仛涔欑儻浜氳兒
(
鐩稿鍒嗗瓙璐ㄩ噺
10000
锛屽惈閲?/p>
99%)
銆?/p>
姘㈡哀鍖栭挔鍜屼簩纭寲纰充负鍘熸枡鍦ㄥ疄
楠屽鑷埗
;
鍚摤姘存牱鐢?/p>
K2Cr2O7
婧朵簬鑷潵姘翠腑閰嶅埗鑰屾垚锛?/p>
姘存牱涓�?/p>
Cr
鍒濆娴撳害涓?/p>
Cr(
鈪?/p>
)
鍒?/p>
濮嬫祿搴︾浉绛?/p>
.
瀹為獙鎵�鐢ㄨ瘯鍓傞櫎楂樺箔鍦熶负鍖栧绾锛屽叾浣欒瘯鍓傚潎涓哄垎鏋愮函
.
TS6-1
鍨嬬▼鎺ф贩鍑濊瘯楠屾悈鎷屼华
(
姝︽眽鎭掑箔绉戞妧鏈夐檺鍏徃
)
锛?/p>
ORION828
鍨?/p>
pH
娴嬭瘯浠?/p>
(
缇庡浗濂?/p>
绔嬮緳涓浗鍏徃
)
锛?/p>
VIS-723
鍨嬪彲瑙佸垎鍏夊厜搴﹁
(
鍖椾含鐟炲埄鍒嗘瀽浠櫒鍏徃
)
锛?/p>
220FS
鍨嬪師瀛愬惛鏀跺垎
鍏夊厜搴﹁
(
缇庡浗鐡﹂噷瀹夊叕鍙?/p>
)
锛?/p>
2100P
鍨嬫祳搴﹁
(
缇庡浗鍝堝笇鍏徃
)
锛?/p>
IR
Prestige-21
鍨嬬孩澶栧垎鍏?/p>
鍏夊害璁?/p>
(
鏃ユ湰宀涙触鍏徃
)
锛?/p>
Nano-ZS90
鍨?/p>
Zeta
鐢典綅浠?/p>
(
鑻卞浗椹皵鏂囧叕鍙?/p>
).
1.2
瀹為獙鏂规硶
鍙?/p>
400
mL
涓�瀹氭祿搴︾殑鍚摤姘存牱浜庣儳鏉腑锛屽姞鍏ョ浉搴旂殑褰卞搷鐗╄川
(NaCl
銆?/p>
NaF
銆?/p>
Na2SO4
銆?/p>
CaCl2
鎴栧惈娴婄墿璐?/p>
)
鍚庯紝鐢?/p>
HCl
鎴?/p>
NaOH
婧舵恫璋冭妭浣撶郴鐨?/p>
pH
鍊硷紝閲囩敤娣峰嚌鎼呮媽浠紝鎶曞姞涓嶅悓
閲忕诞鍑濆墏
PEX
锛屽揩鎼?/p>
(120 r
路
min-1)2 min
锛屾參鎼?/p>
(40 r
路
min-1)10 min
锛屽啀闈欑疆
10 min
锛?/p>
鐢ㄥ彇鏍风鍚稿彇娑查潰涓?/p>
2 cm
澶勭殑涓婃竻娑茶繘琛屽垎鏋愭祴璇?/p>
. 1.3
鍒嗘瀽鏂规硶