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class="site_right"><span></span></div> <div id="xalqxeqtepw" class="clear"></div> </div> <div id="xalqxeqtepw" class="page-right2"> <div class="xalqxeqtepw" id="shownews"> <h1 class="title">聚合硫酸鐵有毒嗎</h1> <div id="xalqxeqtepw" class="hits"> 點(diǎn)擊次數(shù)：<span id="hitnum"></span> 更新時間：20/12/09 15:15:12 來源：<a href="http://ningbo333.com">ningbo333.com</a> 【<a href="javascript:self.close()">關(guān)閉</a>】 <span style="float:left;">分享: </span> <span> <script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdUrl":'http://ningbo333.com/article/show/sid/1217/id/207.html',"bdStyle":"0","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script> </span> </div> <ul style=" margin:10px 0px;"> </ul> <div id="xalqxeqtepw" class="text editor"><p> 　　聚合硫酸鐵是近年來新型水處理混凝劑。由于聚合氯化鋁在廢水處理中具有優(yōu)越的混凝性能，在綜合水處理中具有低成本優(yōu)勢，正逐步取代市場上的聚合氯化鋁。既然水處理藥劑在化學(xué)混凝過程中無法避免接觸，那么聚合硫酸鐵還有毒性嗎？ </p> <p style="text-align:center;"> <img src="/Upload/thumb_5fd079dad785c.png" width="450" height="377" title="聚合硫酸鐵" alt="聚合硫酸鐵" /> </p> 　　一、聚合硫酸鐵毒性的表現(xiàn)方面<br /> 　　1、它的毒性一個外在表面方面，聚合硫酸鐵既酸性又腐蝕性，一旦不采取防護(hù)措施長期接觸或皮膚薄落的部位接觸，如眼睛，會使得皮膚產(chǎn)生緊繃，使皮膚顏色變得暗沉，略有疤痕等。但不會造成硫酸灼傷，短期接觸也不會影響。因?yàn)樗乃岫群透g性都很弱。<br /> 　　2.聚合硫酸鐵對微生物的毒性在水處理過程中，在廢水中水解后產(chǎn)生大量的鐵離子，鐵離子在低質(zhì)量分?jǐn)?shù)下對氨化細(xì)菌、硝化細(xì)菌和反硝化細(xì)菌有一定的刺激作用。當(dāng)質(zhì)量分?jǐn)?shù)較高時，對生物系統(tǒng)中的厭氧與好氧菌的活性都會產(chǎn)生壓制作用，不利于微生物的生長和活性。<br /> 　　3.廢水處理后殘留鐵離子的危害。自來水聚合硫酸鐵處理后，會殘留一定量的鐵離子，自來水中有適量的鐵離子對人體有益。但是一旦自來水中殘留過多的鐵離子，長期飲用會對人體造成危害。鐵離子攝入過多會導(dǎo)致肝、胃、脾、腦、甲狀腺等器官過早衰老。處理過的鐵離子過多的污泥堆積在魚塘里，魚就會死。<br /> 　　聚合硫酸鐵的主要原料是硫酸亞鐵和硫酸、水、氧化劑等。屬于弱酸性鐵鹽硫酸亞鐵。硫酸亞鐵的毒性介紹的比較早。聚合硫酸鐵的制備過程中含有硫酸，所以腐蝕性大于硫酸亞鐵。長時間接觸會造成腐蝕損傷。<br /> 小編：fairy<br /> <br /></div> <div id="xalqxeqtepw" class="page" style="clear:both;"> 上一條： <a 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