Wang, Hao <br/><br/>
[Removal of calcium and high-strength ammonia nitrogen from the wastewater of rare-earth elements hydrometallurgical process by chemical precipitation].  [electronic resource] 

 -  Huan jing ke xue= Huanjing kexue  Jul 2013 
 - 2718-28 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0250-3301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ammonia--isolation & purification<br/>Calcium--chemistry<br/>Chemical Precipitation<br/>Industrial Waste<br/>Metals, Rare Earth<br/>Mining<br/>Nitrogen--isolation & purification<br/>Quaternary Ammonium Compounds--chemistry<br/>Waste Disposal, Fluid--methods<br/>Wastewater--chemistry<br/>Water Purification--methods