藻酸盐固定化颗粒耐久性研究

被引:3
作者
聂荣 [1 ]
翟建平 [2 ]
机构
[1] 江苏省交通科学研究院环境工程研究所
[2] 南京大学环境学院环境工程系,污染控制与资源化研究国家重点实验室
关键词
海藻酸钙; 海藻酸钡; 耐久性; 磷回收; 污水处理;
D O I
暂无
中图分类号
X703 [废水的处理与利用];
学科分类号
摘要
针对藻酸盐载体耐久性差的缺点,选用了3种不同的方法(补充Ca、添加Ba和减少包埋量)来提高藻酸盐固定化颗粒的耐久性。结果表明,Ca2+的流失是引起藻酸盐凝胶强度下降的主要因素。减少包埋生物量仅能短期提高藻酸盐载体的耐久性,而补充Ca2+、添加Ba2+不但能使固定化颗粒长时间保持稳定,且加固后的固定化颗粒具有良好的生化性能。固定化污泥能快速稳定地去除富营养化湖水中的磷,并能实现磷的回收,这有利于推进磷资源的可持续利用。
引用
收藏
页码:338 / 341
页数:4
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