复合营养型反硝化生物填料的制备及性能研究  

Study on Preparation and Performance of Composite Nutrient Denitrifying Biofiller

作　　者：孙志伟 SUN Zhiwei(Liaoning Qinglin Environmental Technology Co.,Ltd.,Shenyang Liaoning 110000,China)

机构地区：[1]辽宁清霖环境科技有限公司,辽宁沈阳110000

出　　处：《辽宁化工》2024年第11期1649-1652,1657,共5页Liaoning Chemical Industry

摘　　要：采用硫磺为电子供体,碳酸钙粉末为无机碳源,羧甲基纤维素钠为有机粘合剂,利用挤条-造粒的方法开发制备出复合营养型反硝化填料。所制备的复合型反硝化生物填料形成了较为稳固的物化结构,能够在水中持续缓释异养反硝化与硫自养反硝化所需的营养物质。使用该填料驱动复合营养型反硝化滤池后,对水中NO_(3)^(-)-N的去除率可达90%以上。Composite nutritional denitrification filler was developed by extrusion granulation method using sulfur as the electron donor,calcium carbonate powder as the inorganic carbon source,and carboxymethyl cellulose sodium as the organic binder.The prepared composite denitrification biofilm formed a relatively stable physicochemical structure,which could sustainably release the nutrients required for heterotrophic denitrification and sulfur autotrophic denitrification in water.After using this filler to drive the composite nutrient denitrification filter,the removal rate of NO_(3)^(-)-N in water was over 90%.

关 键 词：硝酸盐废水 复合营养型反硝化 生物滤池 缓释型生物填料 

分 类 号：TQ115[化学工程—无机化工]