使用脱蜡助剂后，过滤速度、去蜡油收率提高，蜡膏含油量降低，去蜡油凝点变化不大。
After using dewaxing aid, the filtration rate and the dewaxed oil yield were improved, the oil content in slack wax was decreased, and the dewaxed oil changed little in solidification point.
过滤后的溶液浓缩为硫酸铵副产品。粗碳酸锶细粉加助剂成型，高温煅烧、浸煮、过滤、碳化、干燥得纯度为97％以上的碳酸锶。
Through moulding by adding assistant, high temperature calcination, soaking and digestion, filtration, carbonization and drying, strontium carbonate of 97% over purity is produced.
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