| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for recovery of phosphorus and using the phosphorus as a fertilizer, capable of suppressing a phosphorus recovery cost low, capable of maintaining high quality as a phosphorus fertilizer and capable of recovering phosphorus deposited at a sewage plant or the like to effectively utilize as the fertilizer. <P>SOLUTION: A phosphorus adsorbent A is provided in a phosphorus generation source 3. The phosphorus adsorbent adsorbing phosphorus P in wastewater in the phosphorus generation source is recovered, and the fertilizer F is produced using the recovered adsorbent. Phosphorus in the wastewater being the phosphorus source can be recovered at low cost by adsorption on the adsorbent, and also it is possible to maintain the high quality of the phosphorus fertilizer produced using the phosphorus-adsorbed adsorbent by a selective adsorption of phosphorus. Preferably, the adsorbent comprises an amorphous calcium silicate-based material. The phosphorus generation source can be the sewage plant or the like, and the phosphorus-adsorbed adsorbent can be used as it is for fertilizer production. <P>COPYRIGHT: (C)2013,JPO&INPIT |
