江南,污泥焚烧灰分磷回收潜力分析及其市场前景 作者:郝晓地1, 于文波1, 时琛1, 程忠红2(1.北京建筑大学城市雨水系统与水环境教育部重点实验室中-荷污水处理技术研发中心，北京100044;2.苏伊士
时间：2023-12-23
焦点提醒：污泥燃烧灰分磷收受接管潜力阐发和其市场前景 作者:郝晓地1, 在文波1, 时琛1, 程忠红2(1.北京建筑年夜学城市雨水系统与水情况教育部重点尝试室中-荷污水处置手艺研发中间，北京100044;2.苏伊士新建立无限公司，北京100026)
[1]郝晓地,在文波,时琛,等.污泥燃烧灰分磷收受接管潜力阐发和其市场前景[J].中国给水排水,2021,37(4):5-10. HAO Xiao-di,YU Wen-bo,SHI Chen,et al.Potential Analysis and Market Prospects of Phosphorus Recovery from the Bottom Ashes of Sludge Incineration[J].China Water & Wastewater,2021,37(4):5-10.点击复制
污泥燃烧灰分磷收受接管潜力阐发和其市场前景中国给水排水[ISSN:1000-4062/CN:12-1073/TU]卷:第37卷期数:2021年第4期页码:5-10栏目:出书日期:2021-02-17- Title:
- Potential Analysis and Market Prospects of Phosphorus Recovery from the Bottom Ashes of Sludge Incineration
- 作者:
- 郝晓地1,在文波1,时琛1,程忠红2
- (1.北京建筑年夜学城市雨水系统与水情况教育部重点尝试室中-荷污水处置手艺研发中间，北京100044;2.苏伊士新建立无限公司，北京100026)
- Author(s):
- HAO Xiao-di1,YU Wen-bo1,SHI Chen1,CHENG Zhong-hong2
- (1. Sino-Dutch R & D Centre for Future Wastewater Treatment Technologies, Key Laboratory of Urban Stormwater System and Water Environment, Beijing University of Civil Engineering and Architecture, Beijing 100044, China; 2. SUEZ NWS Limited, Beijing 100026, China)
- 要害词:
- 污水处置;污泥燃烧;污泥灰分;磷收受接管;再生磷肥;矿石磷肥
- Keywords:
- wastewater treatment;sludge incineration;bottom ash;phosphorus recovery;recovered phosphate fertilizers;rock phosphate fertilizers
- 摘要:
- 磷资本不成替换又不克不及再生。现代工业掠夺磷矿年夜多用在磷肥出产，经由过程作物收成的食粮、蔬菜和豢养畜禽肉类进入人体，而随食品进入人体的年夜大都磷（90%）会随分泌物进入污水（无粪尿返田环境）。虽然终究进入污水中的磷占开采磷矿的比例很小（<5%），但这是人类除动物粪便与作物秸秆外独一可能实现磷人工轮回的位点，相对转移进作物中的磷来讲该比例跨越1/4。是以，在烧毁粪尿返田之原生态习惯的环境下，从污水处置进程中收受接管磷则显得很是主要。今朝从污水处置进程中收受接管磷具有很多体例与产物，而与污泥燃烧灰分相干的磷收受接管水平最高，可达90%。为此，起首基在全球磷资本危机与我国磷流向和其估算,揭露磷收受接管的需要性和迫切性。然后，对与污泥燃烧相干的灰分磷收受接管手艺和潜伏利用进行总结和阐发。最初，按照肥效尝试与本钱估算，认定灰分再生磷肥比保守矿石磷肥具有潜伏市场前景，特殊是它的可延续意义。
- Abstract:
- Phosphorus resources are irreplaceable and non-renewable either. Modern industry grabs phosphorus ores mainly for synthesizing phosphate fertilizers, and most of phosphorus (90%) entering human bodies via the food chains (crops, vegetables and meats) is finally transported into wastewater (without excreta returning to farmlands) discharged by human beings. Although phosphorus entering wastewater only accounts for a small proportion of phosphate ores (<5%) compared to exploited P-ores, this is the only site possibly recovering phosphorus besides animal manure and straws, which takes a share of >25% of phosphorus transported into crops. Under the circumstance of giving up excreta returning to farmlands, thus, recovering phosphorus from wastewater is very important. There are many approaches to recovering phosphorus and its products from wastewater nowadays. Phosphorus recovery relating to the bottom ashes of excess sludge incineration could reach up to the highest extent, up to 90%. Based on the global phosphorus crisis and its flowing patterns and evaluations in China, the article first revealed the importance and urgency of phosphorus recovery, followed by summarizing and analyzing the associated techniques and potential applications of phosphorus recovery from the bottom ashes. According to the fertilizer values and estimated prices, recovered phosphorus fertilizers from the bottom ashes could be finally believed to have a better market prospect than synthesized phosphate fertilizers, in particular which is sustainable.
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更新日期/Last Update:2021-02-17
