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活性炭废液、废水及废气塔废水中磷酸再生工艺及装置
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
吴思国; 谢巧玲; 朱子岳; 彭德; 郑赢忠; 蔡锶涛; 农国贵
Filing Date
Sep 11, 2026
Publication Date
Oct 27, 2026
IPC Classification
C02F 9/00 (2023.01)C01B 25/18 (2006.01)C01B 25/234 (2006.01)C02F 1/44 (2023.01)C02F 1/04 (2023.01)C02F 5/00 (2023.01)C02F 103/34 (2006.01)C02F 1/00 (2023.01)
本发明公开一种活性炭废液、废水及废气塔废水中磷酸再生工艺及装置,属于磷酸再生技术领域。装置包括活性炭废液处理支路、活性炭废水处理支路、废气塔废水处理支路、纳滤单元及再生浓缩单元;活性炭废液经固液分离与膜过滤,活性炭废水经膜过滤与膜浓缩,废气塔废水经膜过滤与低温蒸发后,各支路所得含磷料液与蒸发冷凝水汇合进入纳滤单元,截留料液中的钙镁杂质后,纳滤产水经低温蒸发浓缩,得到可回用的磷酸;其中,冷凝水作为汇合料液的稀释组分,在纳滤与蒸发回路内循环消纳。本发明全程无需引入化学药剂,不产生固相副产物,回收磷酸可回用于活性炭生产,并消纳高化学需氧量冷凝水,减少外排。
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