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target="_blank">鱗片石墨提純?yōu)楦呒兪惺裁捶椒ǎ?/a></li> </ol> </nav> <div id="by64r9nm" class="des"> <h1 class="tit text-center">鱗片石墨提純?yōu)楦呒兪惺裁捶椒ǎ?/h1> <div id="by64r9nm" class="ap text-center"> <span id="by64r9nm" class="author">作者：jcshimo</span> <span id="by64r9nm" class="public_time">發(fā)布時間：2023-10-25 16:42:18</span> </div> <p>鱗片<span style="font-weight: bold;">石墨</span>提純?yōu)楦呒兪姆椒ê芏啵涍^化學方法提純主要有4種途徑：<br> 1、氯化焙燒法。氯化焙燒法低的焙燒溫度和較小的氯氣消耗量使石墨的出產本錢有較大的降低，一起石墨產品的含碳量與用氫氟酸法處理后的恰當，相比之下氯化焙燒法的回收率較高。但因氯氣有毒，腐蝕性強，對設備操作要求較高，需求嚴峻密封，對尾氣有必要妥善處理，所以在必定程度上約束了其推行運用。<br> 2、堿酸提純法。堿酸法提純后的<span style="font-weight: bold;">石墨</span>含碳量可達99%以上，具有一次性出資少、產品層次較高、工藝適應性強等特征。而且還具有設備慣例、通用性強（除石墨外，許多非金屬礦的提純都可以選用堿酸法）等利益，堿酸法是現(xiàn)在在我國運用最廣泛的方法；其缺陷則是能量消耗大、反應時間長、<span style="font-weight: bold;">石墨</span>丟掉量大以及廢水污染嚴峻。<br> 3、氫氟酸法。氫氟酸法最主要的利益是除雜效率高，所得產品的層次高、對石墨產品的功用影響小、能耗低。缺陷是氟氫酸有劇毒和強腐蝕性，出產進程中有必要有嚴峻的安全防護方法，關于設備的嚴峻要求也導致本錢的升高，其他氫氟酸法產生的廢水毒性和腐蝕性都很強，需求嚴峻處理后才調排放，環(huán)保投入也使氫氟酸法本錢低的利益大打折扣。<br> 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