藻类对水体黑臭现象的影响研究

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1、苏州科技学院天平学院本科生毕业论文藻类对水体黑臭现象的影响研究摘要根据课题：藻类对水体黑臭现象的影响研究，我在学校三处小河每天采样研究，应用黑臭评价指标对三处水样进行黑臭评价。并对三处水样进行藻浓度的测定从而分析出藻类对水体黑臭现象的影响，结果显示：藻类对水体黑臭有一定的影响，藻类的增长会加重水体黑臭的程度。藻类的增长影响了水中的溶解氧和水体颜色，造成水质变坏。藻类的过度繁殖会使水中的溶解氧含量下降，使水中有机物厌氧分解，藻类的繁殖还会导致一些代谢产物的增加，导致水体黑臭现象。关键词藻类；地表水；黑臭现象I苏

2、州科技学院天平学院本科生毕业论文AlgaeonthephenomenonofblacksmellywaterstudyAbstractAccordingtoproject:thephenomenonofalgaeonthewaterimpactofblack-odorinmyschooleverydaysamplingofthreestreams,applicationblack-odorevaluationconductedonthethreeblack-odorevaluationofwatersampl

3、es.Andthreewatersamplestoanalyzethedeterminationoftheconcentrationofalgaealgaeonthewaterblackandstinkouttheimpactofthephenomenon,theresultsshow:Blacksmellyalgaeonthewatertoacertainextent,thegrowthofalgaewillincreasetheextentofblacksmellywater.Affectedthegro

4、wthofalgaeinwaterthecolorofthedissolvedoxygenandwater,causingdeteriorationinwaterquality.Overgrowthofalgaeinthewaterofdissolvedoxygenwilldecrease,sothattheanaerobicdecompositionoforganicmatterinwater,thepropagationofalgaewillresultinsomeincreaseinmetabolism

5、,leadingtothephenomenonofblack-odorwater.KeywordsAlgae；Surfacewater；Thephenomenonofblack-odorII苏州科技学院天平学院本科生毕业论文目录1绪论............................................................................................................................12课题研究背景........

6、....................................................................................................23课题研究目的及意义................................................................................................33.1研究目的..........................................

7、.......................................................................33.2研究意义.................................................................................................................34水质恶臭的评价方法......................................................

8、..........................................74.1水质综合污染指数法.............................................................................................74.2污染综合评价法..........................................