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一种硝酸盐缓释材料及其制备方法
陈繁忠; 余旭禄; 付广义
2011-05-05
Country中国
Patent NumberZL201110115704.X
Rights Holder中国科学院广州地球化学研究所
Contribution Rank1
Abstract本发明公开了一种硝酸盐缓释材料及其制备方法。按质量分数100%计,它由下列原料制成,水泥45.5%~62.5%、水23.7%~33.2%、硝酸盐4.3%~15.8%和黏土矿物粉末0%~15%。其制备方法为:将硝酸盐溶于水,得到硝酸盐溶液,再将水泥与黏土矿物粉末混合均匀,加入到硝酸盐溶液中,养护固化,将固化好的材料粉碎成块度为3~10毫米的颗粒,得到硝酸盐缓释材料。本发明的硝酸盐缓释材料,硝酸盐释放过程缓慢,缓释效果好,投加方便,投时进入水体的量较少,进入底泥后可较长时间起作用,缓释出来的硝酸盐可作为细菌氧化有机污染物的电子受体、提高底泥氧化还原电位、抑制硫和磷的释放,还具有吸附磷的作用,降低底泥向水体释放磷的数量,可大规模的用于处理河流受污染底泥。
Date Available2011-12-07
Language中文
Application NumberCN201110115704.X
Open (Notice) NumberCN102267788A
Document Type专利
Identifierhttp://ir.gig.ac.cn/handle/344008/35823
Collection专利
Recommended Citation
GB/T 7714
陈繁忠,余旭禄,付广义. 一种硝酸盐缓释材料及其制备方法. ZL201110115704.X[P]. 2011-05-05.
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