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Author:

王印忠 (王印忠.) | 曹相生 (曹相生.) | 孟雪征 (孟雪征.) | 李冬 (李冬.) (Scholars:李冬) | 张杰 (张杰.)

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Abstract:

以污泥脱水滤液为研究对象,考察了按照等化学计量比改变Mg2+、PO43-和NH4+的初始浓度、单独改变NH4+初始浓度和单独改变Ca2+初始浓度对鸟粪石回收效果的影响.结果表明:在按照等化学计量比改变Mg2+、PO43-和NH4+初始浓度的条件下,对Mg2+、PO43-和NH4+的回收率均随其初始浓度的增大而提高;保持Mg2+和PO43-浓度均为5.00 mmol/L,当NH4+的初始浓度提高到12.00 mmol/L时,约有90%的PO43-参与了鸟粪石的生成;Ca2+不仅可与Mg2+争夺PO43-而占据鸟粪石晶体赖以继续生长的活性位,而且还能与H2PO4-争夺OH-,抑制H2PO4-向PO43-转化并参与生成鸟粪石,同时造成对NH4+的回收率降低.

Keyword:

Ca2+ 鸟粪石 磷回收 污泥脱水滤液

Author Community:

  • [ 1 ] [王印忠]北京工业大学
  • [ 2 ] [曹相生]北京工业大学
  • [ 3 ] [孟雪征]北京工业大学
  • [ 4 ] [李冬]北京工业大学
  • [ 5 ] [张杰]北京工业大学

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Source :

中国给水排水

ISSN: 1000-4602

Year: 2007

Issue: 19

Volume: 23

Page: 6-9,14

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 34

Chinese Cited Count:

30 Days PV: 2

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