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为了探索寻找到一种价格低廉、效果明显的降低水体氨氮和磷含量的方法,对具有资源丰富、价格便宜的膨润土灰进行了改性及吸附氨氮和磷的静态试验研究,结果表明:对膨润土进行酸、碱、盐和热改性后氨氮的吸附效果有所不同,顺序依次为:热>碱>盐>酸;对膨润土进行酸、碱、盐和热改性后对磷的吸附效果也不同,顺序为:盐>热>酸>碱。技术经济比较,热改性膨润土对氨氮的吸附容量大,而盐改性膨润土对磷的吸附容量大,在两种情况下膨润土是较理想的吸附剂。
In order to find a way to reduce ammonia nitrogen and phosphorus content of water body with low price and obvious effect, the static test of modified and adsorbed ammonia nitrogen and phosphorus with rich and cheap bentonite ash was carried out. The results showed that bentonite The effect of ammonia, alkali, salt and heat modified ammonia nitrogen adsorption is different, in order of: heat> alkali> salt> acid; bentonite after acid, alkali, salt and thermal modification of the phosphorus adsorption effect Different, the order is: salt> heat> acid> alkali. Compared with the technical economy, the heat-modified bentonite has a large adsorption capacity for ammonia nitrogen, while the salt-modified bentonite has a large adsorption capacity for phosphorus. Bentonite is an ideal adsorbent in both cases.