新闻资讯 Archives | Page 2 of 2 | Jiujiang Huirong Chemical Co., Ltd.
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新闻资讯

上游方面,目前国内液碱市场在下游需求平稳的支撑下行情较为稳定,各地市场调整不大,基本维持前期水平,高位整理。出口提振、需求平稳,短期仍有利好支撑国内液碱市场,但个别厂家已流露出对下游需求变化的观望情绪,后期或将迎来不同程度的下行压力。...

硫化钠的工业生产方法主要有4种,煤粉还原芒硝法,气体还原法,硫酸钡副产硫化钠发。硫化氢法 ,第2种方法因生产工艺复杂,生产成本高,使用受到限制。煤粉还原忙小法,工艺设备简单,已操作控制,对原辅材料要求较低,生产成本低,到目前仍为多数国家所采用,在国内,改法的产量约占总产量的百分之九十五。...

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