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利用处熼‹«é…¸ž®¾æ°”得到的(NH4)2S03-NH4HS03˜q˜åŽŸ¼‹é…¸ž®¾æ°”ä¸çš„NCXã€?首先åQŒå†¶é‡‘å·¥½E‹å«NC^ž®¾æ°”¾l碱液å¸æ”¶å¡”ä¸NaOH溶液或NaC03溶液å¸æ”¶åQŒå°¾æ°”冘q›äh亚硫酔R“µå¸æ”¶å¡”进行还原净化。其净化原ç†ä¸»è¦åŒ–å¦å应äØ“
2NaOH + NO + N02 =;2NaN02+ H20 Na2C03+ NO + N02 â€?NaN02+ C02 ½W¬äºŒ¾U§äºš¼‹«é…¸é“µå¸æ”?4(NH4)2S03+ 2N()2â€?(NH4)2S04+ N2 ä¸?NH, HS03+ 2N02 â€?NH4HSO4+ N2 ä¸?BR>4(NH4)2S03+ NO + 2N02+ 3H20â€?N(0H)(NH4S03)2+ 4NH3 ? H20 4NH4HS03+ NO + N02 _2N(0H)(NH4S03)2+ H20 2NH3 ? H20 + NO + N02 â€?NH4N02+ H20
影哼„?亚硫酔R“µå¸æ”¶æ³•å¸æ”¶æ•ˆçŽ‡çš„å› ç´ æœ‰æ°§åŒ–åº¦ã€å¸æ”¶æ¶²‹¹“度åŠæˆåˆ†ã€æ¶²æ°”比和塔æ¿ä¸Šæ¶²å±‚髙度½{‰ã€‚一般å¸æ”¶æ¶²(nh4)2so3的浓度åŠå…¶ä¸nh4hso3çš„å«é‡ï¼Œå¯¹å¸æ”¶æ•ˆçŽ‡å‡æœ‰ä¸€å®šçš„å½±å“。(NH4)2S03的浓度应控制åœ?80?200g/L; NH4HS03/(NH4)2S03<0.1 或游¼›Èš„ NH3<4g/Lã€?BR>更多内容详è§åQ?A href="http://www.ohlalaparty.com/news/14.html">http://www.ohlalaparty.com/news/14.html
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