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class="page-message-img"> <a href="http:///inquiry/"><img src="http:///data/upload/202006/20200612103718_111.jpg" alt=""></a> </div> </div> </div> <div id="ltph5ltpx5" class="page-wrap-right"> <div id="ltph5ltpx5" class="xypg-right-content">  <div id="ltph5ltpx5" class="xypg-news-detail"> <h1 class="xypg-detail-title">?過碳酸鈉的生產(chǎn)方法有兩種:</h1> <div id="ltph5ltpx5" class="xypg-detail-info-bar"> <div id="ltph5ltpx5" class="detail-info-time"><i class="icon-font icon-shijian"></i>2020-10-13 14:11:49</div> <div id="ltph5ltpx5" class="detail-info-numbers"><i class="icon-font icon-chakan"></i><script src="http:///source/include/browse.php?model=news&id=470"></script>次</div> </div> <div id="ltph5ltpx5" class="xypg-detail-con"><p style="text-indent: 2em; line-height: 1.75em;">洗滌劑的發(fā)展趨向之一是多功能化。洗滌劑中加入過碳酸鈉可使其在去污的同時，兼有漂白、消毒和殺菌作用，正符合多功能化要求。文中敘述了過碳酸鈉的生產(chǎn)方法和產(chǎn)品性質(zhì)，并舉例說明其在洗滌劑中的應(yīng)用。通過改進過碳酸鈉的合成工藝，加入新的穩(wěn)定劑，合成出具有較高穩(wěn)定性的碳酸鈉，并以正交試驗方法得到穩(wěn)定劑的配方。該復(fù)合穩(wěn)定劑的加入對于過碳酸鈉的漂白性能不產(chǎn)生不良影響。過碳酸鈉又稱過氧碳酸鈉,俗稱固體雙氧水。研究它作為氧系漂白劑的-一個新品種被廣泛用于洗滌劑行業(yè)。它單獨使用或與表面活性劑配合,在低溫下能發(fā)揮出良好的漂白性能,故該產(chǎn)品得以迅速發(fā)展。目前世界年需求量約270萬噸,有著廣泛的生產(chǎn)及應(yīng)用前景。</p><p style="text-align: center"><img src="/data/upload/202010/1602569221960366.jpg" title="過碳酸鈉" alt="過碳酸鈉" width="750" height="750" border="0" vspace="0" style="width: 750px; height: 750px;"/></p><p style="text-indent: 2em; line-height: 1.75em;">過碳酸鈉的生產(chǎn)方法有兩種: 干法和濕法。干法工藝簡單, 流程短, 但操作不易控制, 產(chǎn)品質(zhì)量不高。濕法工藝包括噴霧法、連續(xù)結(jié)晶法、低溫結(jié)晶法和溶劑法。噴霧法產(chǎn)品質(zhì)量穩(wěn)定性差; 連續(xù)結(jié)晶法工藝復(fù)雜; 低溫結(jié)晶法投資大, 溶劑法消耗溶劑量大,費用高。我們在濕法基礎(chǔ)上, 探索了常溫下過碳酸鈉制備工藝。</p><p style="text-indent: 2em; line-height: 1.75em;">過碳酸鈉的制備有干法和濕法兩種，前者設(shè)備復(fù)雜, 技術(shù)條件苛刻, 難控制, 能耗也高。后者設(shè)備易得, 投資少, 技術(shù)條件易于控制, 我們基本上采用濕法, 同時也兼顧了干法的特點。另外, 我們采用乙醇洗滌過碳酸鈉沉淀的辦法減少干燥前過碳酸鈉中的含水量, 同時, 過碳酸鈉采用真空干燥, 提高干燥速度, 以盡量降低在生產(chǎn)過程中過碳酸鈉的分解。</p><p><br/></p></div> <div id="ltph5ltpx5" class="xypg-detail-tags"> <div id="ltph5ltpx5" class="tags-title"> <h3>標簽</h3> <div id="ltph5ltpx5" class="baidu-share">  <div id="ltph5ltpx5" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" class="bds_isohu" data-cmd="isohu" title="分享到我的搜狐"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_fbook" data-cmd="fbook" title="分享到Facebook"></a> </div> 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