JP4336882B2 - 強アルカリ水を使った鉱山廃水処理の方法。 - Google Patents
強アルカリ水を使った鉱山廃水処理の方法。 Download PDFInfo
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- JP4336882B2 JP4336882B2 JP2003411018A JP2003411018A JP4336882B2 JP 4336882 B2 JP4336882 B2 JP 4336882B2 JP 2003411018 A JP2003411018 A JP 2003411018A JP 2003411018 A JP2003411018 A JP 2003411018A JP 4336882 B2 JP4336882 B2 JP 4336882B2
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- strong alkaline
- alkaline water
- solid
- lime
- water
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Description
本発明は上記問題を解決する方法を提供する事である。
ライムケーキは、焼成すると再び強アルカリ水を作る為の生石灰等の活性石灰にリサイクル出来る。
実質廃棄するライムケーキが発生しないので目的が達成される。
液体の方は強アルカリ水(約pH13)となる。ライムケーキの方は効果が続く限りリサイクルとなる。効果が無くなっても石灰のため肥料等として使用できる。強アルカリ水の方はタンク5で6と混合し7に送り込み固液分離。液体は河川放流で、固体は純粋な重金属沈殿物で有効資源になる。これを実施例とする。
2 ライムケーキ焼成生石灰、または生石灰等の活性石灰
3 濾布脱水や、遠心分離などの脱水機(強アルカリ水、ライムケーキ用)
4 ロータリーキルン等焼成炉
5 鉱山廃水処理混合タンク(攪拌機付き)
6 重金属含む鉱山廃水
7 濾布脱水や、遠心分離などの脱水機(河川放流水、重金属沈殿物用)
Claims (1)
- 廃棄物であるライムケ−キを焼成する事でライムケ−キ焼成生石灰を製造し、河川水と混合撹拌し、固液分離しする事よって液体の強アルカリ水約pH13を製造する事ができると同時に、その強アルカリ水を鉱山廃水と混合撹拌し、混合溶を固液分離した液体の方は河川に放流する事ができ、一方の固体は重金属の沈殿物であるため有効資源となり、ライムケ−キ焼成生石灰を製造して得る事ができた強アルカリ水を、固液分離にて製造した際の、もう一方の固体は焼成する事によって、再度ライムケ−キ焼成生石灰となり、繰り返し強アルカリ水を得る事ができる製造方法。
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JP2003411018A JP4336882B2 (ja) | 2003-11-04 | 2003-11-04 | 強アルカリ水を使った鉱山廃水処理の方法。 |
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JP2003411018A JP4336882B2 (ja) | 2003-11-04 | 2003-11-04 | 強アルカリ水を使った鉱山廃水処理の方法。 |
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JP2005138094A JP2005138094A (ja) | 2005-06-02 |
JP4336882B2 true JP4336882B2 (ja) | 2009-09-30 |
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JP2003411018A Expired - Fee Related JP4336882B2 (ja) | 2003-11-04 | 2003-11-04 | 強アルカリ水を使った鉱山廃水処理の方法。 |
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Families Citing this family (1)
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CN100372783C (zh) * | 2006-06-08 | 2008-03-05 | 同济大学 | 一种雨天溢流污水混凝沉淀处理方法 |
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