| 1. | Their removal is effected by aluminum and ferric salts .
用铁盐和铝盐能将其有效地除去。 |
| 2. | An additional benefit resulting out of sodium hydroxide recovery is the decrease in consumption of alum at the treatment plant .
回收氢氧化钠的另一好处，是降低了处理厂的铝盐消耗量。 |
| 3. | Preparation of aluminate salts and white carbon - black with coal refuse as feedstock
以煤矸石为原料制备铝盐和白炭黑 |
| 4. | Influential factors of extraction aluminum in chemical sludge by acid treatment
酸处理化学污泥溶出铝盐影响因素研究 |
| 5. | Moreover , the use of aluminum salt and polyacrylamide flocculant would lead to latent threat to people ' s health
而且铝盐絮凝剂和聚丙烯酰胺类高分子絮凝剂的使用会给人体健康带来潜在危害。 |
| 6. | More attentions are paid to growing amount of aluminum compounds and their toxicity in wastewater bio - treatment technology
摘要废水中铝盐含量增高以及铝盐的生物毒性使其对废水生物处理工艺中微生物产生的危害引起了人们的关注。 |
| 7. | This study uses methane - producing activity as an index , experiments were made to investigate the toxicity of aluminum compounds on anaerobic microbe
本文以产甲烷活性为指标，通过投加氯化铝测定其对颗粒污泥的产甲烷毒性来研究铝盐对厌氧菌的危害。 |
| 8. | But all the most popular flocculants now used in water treatment including iron salu aluminum salt and polyacrylamide flocculant inevitably induce to the second pollution
但水处理中使用最为广泛的铁盐絮凝剂、铝盐絮凝剂和聚丙烯酰胺类高分子絮凝剂无一例外的会带来二次污染。 |
| 9. | Fcc catalysts using silica sol as the binder features improved selectivity to coke and higher resistance to attrition , strength of the catalysts can be enhanced by adding surfactants and aluminium salts
含硅粘结剂的催化剂杭磨损能力和焦炭选择性较好，催化剂的强度可以通过添加表面活性剂和铝盐得到改善。 |
| 10. | The result of hplc indicates that direct uf has low removal of small molecule ha , while coagulation pretreatment can enhance the removal of uf of small molecule ha which attributes to the higher removal of ha
Ph 7 . 0条件下的铝盐混凝预处理能大大提高超滤对小分子腐植酸的去除能力，这正是混凝预处理提高腐植酸超滤去除率的原因所在。 |
