["1 re reação com fosfato ácido, a escolha do material do re压釜材质选择"

2020-04-19View Original

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" O re压釜内以浓磷酸为催化剂，浓度在8-9之间，温度-5℃，选择什么材质的反应釜比较好，搪瓷的还是3116L的，弟看了论坛里的还是不太明白"

Reply #22020-04-20

" 在常温下，磷酸，尤其是稀磷酸对搪瓷和玻璃基本上无腐蚀，但是浓磷酸且在加热的情况下就会与玻璃或陶瓷中的SiO发生反应得到磷酸硅和水。"

Reply #32020-04-20

" 所以在磷酸生产企业中用的都是322和3"6其他材料不符合要求。"

Reply #42020-04-21

" 那么一般搪瓷的耐磷酸浓度范围和温度范围是多少呢？3"6L应该也行吧3"6系是不是浓磷酸全浓度范围都行？"

Reply #52020-04-24

" 我们原来生产磷酸、聚磷酸，脱砷反应釜材质是316L的！"

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["1 re reação com fosfato ácido, a escolha do material do re压釜材质选择"

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