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| 深圳市政污水排海工程排污混合区范围的确定 |
| Determination of Pollutant Discharge Region ’ s Area on Municipal Wastewater Releaseto Sea Projectof Shenzhen |
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| DOI： |
| 中文关键词: 全场数学模型 市政污水 排海工程 排污混合区 深圳市 |
| 英文关键词: Site mathematical model Municipal wastewater Releaseto Sea Project Pollution dischargearea Shenzhen |
| 基金项目: |
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| 摘要点击次数: 1170 |
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| 中文摘要: |
| 应用全场数学模型模拟了深圳排海的市政污水中悬浮物、化学需氧量、无机氮、活性磷酸盐及大肠菌群5个污染因子在海域大潮和小潮时对海域面积的影响。指出在不同水文条件和23 m 3 /d排放量下, 不同质量浓度的活性磷酸盐和大肠菌群超过Ⅲ类海水水质标准的影响面积在大潮时分别为 0 . 04 km 2 和7.72 km 2 , 小潮时分别大于0.08 km 2 和6.16 km2 ; 无机氮由于海水本底值较高, 使得这一指标在全海域内超过 Ⅲ类海水水质标准 ; 而化学需氧量和总悬浮物质量浓度符合Ⅲ类海水水质标准。 通 |
| 英文摘要: |
| Mathematic model wasusedto simulatetheimpactoftotalsuspendedsubstance, COD,inorganic nitrogen,activephosphateandcoliform group bacteriain Shenzhen ’ s municipal wastewaterreleasedtosea wheninspringtideandinlow tide. Un derdifference hydrographic condition and emission currency of 23 m 3 /d, when concentration of active phosphate and coliform group bacteria were beyondⅢ ,theirinfluenceareatosea were0.04 km 2 and 7.72 km 2 wheninspringtide,and were morethan0.08 km 2 and 6.16 km 2 wheninlow tide. Forinorganic nitrogen,becausethebackground valueofsea water washigh,soitisbeyondⅢsea water. For COD andtotalsuspendedsubstance,there had no effect. Aftercomputing usingsite monitoring data,the wastewater dischargeregion area was1.5 km 2 . |
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