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an qing shi hua hua fei chang chan pin jian jie
Pages: 33
Year: Issue:  3
Journal: Applied Technology of Technical Supervision

Keyword:  安庆石化产品简介化肥厂质量信得过产品二氧化碳汽提法免检产品含氮量深度冷冻法安徽省生产工艺;
Abstract: 安庆石化化肥厂产品简介双环牌尿素(省免检产品):“双环”牌尿素系安庆石化化肥厂主要产品。该产品以合成氨和二氧化碳为原料,采用荷兰斯塔米卡帮公司二氧化碳汽提法生产工艺,经真空浓缩和自然通风、旋转造粒技术,加工制成粒状尿素,含氮量≥46.0%。本产品属于...
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