从牛肉废水中去除抗生素的联合处理方法
Bobbi S Stromer1, Bryan L Woodbury1, Clinton F Williams2
1U.S. Meat Animal Research Center, Agricultural Research Service, United States Department of Agriculture, Clay Center, Nebraska 68933, United States.
石灰泥有效地从农业废水中去除了泰洛辛和四环素. 用硫酸的进一步处理有助于去除塞夫,减轻抗菌素耐药性的风险.
科学领域:
- 环境科学 环境科学
- 环境化学环境化学
- 水处理 处理水的方法
背景情况:
- 在农业中使用抗生素导致环境污染和抗菌素耐药性.
- 肉牛料场的废水含有抗生素,如泰洛辛,甲,和ceftiofur.
- 需要有效的整治策略来从废水中去除这些抗生素.
研究的目的:
- 为了评估天然开采的藻土,使用本托尼特作为牛肉牛料场废水中抗生素的补救材料.
- 为了确定藻土对泰洛辛,甲,和ceftiofur的结合潜力.
- 评估单独或与花结合的藻土在去除抗生素方面的有效性.
主要方法:
- 确定了兰木尔的结合亲和力和结合能力,用于甲和ceftiofur.
- 石灰泥被用来处理含有泰洛辛,甲,和ceftiofur的尖废水.
- 废水也经过用硫酸进行花处理,然后进行藻土处理.
主要成果:
- 甲素表现出高的结合亲和力 (15.2 mM−1) 和结合能力 (123 mg/g),而塞夫提奥弗则显示出较低的值 (7.8 mM−1 和 3 mg/g).
- 土从加的废水中去除了100%的泰洛辛和80%的甲,但没有ceftiofur.
- 经过藻土处理后的花处理实现了所有三种抗生素的完全去除.
结论:
- 自然开采的藻土是从农业废水中去除某些抗生素的有希望的材料.
- 结合花和藻土处理的方法可以增强更广泛的抗生素的去除能力.
- 这种补救策略可以帮助减少抗生素的环境释放,并打击抗菌素耐药性.
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