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target="_blank">螯合劑</a></strong>，也成為絡合劑。</div><div>　　螯合作用在化學研究和工業生產中有著廣泛的應用。</div><div>　　在化學工業和工業生產過程中，加入<strong>螯合劑</strong>使金屬離子生成性質*不同的螯合物，是降低和控制金屬離子濃度的主要方法。</div><div>　　螯合物在礦物浮選過程、濕法冶金、金屬元素的提取與分離、物質的催化合成、水的軟化、電鍍工藝、醫藥工業、染色過程等中都有廣泛的應用。</div><div>　　螯合物廣泛應用于過氧化氫及次氯酸類作漂白劑的化學、機械和脫墨紙漿的漂白。部分螯合劑在醫學上可用于鉛及汞等中毒的治療等。具體用途如下：</div><div>　　1、能有效抑制金屬離子對過氧化氫及次氯酸類漂白劑引起的催化分解，提高漂白效率，節約漂液，降低漂白成本。</div><div>　　2、對Fe3+離子有*的捕捉能力和分散效果，避免Fe3+離子與紙漿中的酚基團反應形成深顏色的復合物，保護纖維，提高紙漿白度，減少紙漿返黃。</div><div>　　3、能有效阻止鈣、鎂等金屬離子在紙漿漂白過程中發生化學反應形成沉淀物，從而防止系統設備、管道結垢，并能逐步去除漂洗系統原有的結垢。</div><div>　　4、具有一定的分散能力，可提高硅酸鈉的分散性。</div><div>　　5、保護紙漿纖維，防止NaOH剝皮反應對纖維的破壞。</div><div>　　6、與傳統的DTPA相比，具有良好性價比。</div><div>　　7、用于金屬元素的分離和提純、織物的染色以及制造有機顏料等。</div> </div> <div class="NyPrevNext"> <ul> <li>上一篇：<a href="/Article-663074.html">簡述化學鎳廢液處理的方法與流程</a></li> <li>下一篇：<a href="/Article-659967.html">某企業印染廢水總氮處理工程案例</a></li> </ul> </div> </div>  </div> <div class="clear"></div> </div>   <div class="h_foot"> <div class="pz_down"> <div class="w1300 clear"> <div 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