InterestingchemicalreactioninWaterpollution----EutrophicationThewatereutrophicationiswatercontainstoomuchsolubilitynutrientsalts(mainlyNH3-N,NO3--N,NO2-NandPO4-P),makewateralgaephytoplanktongrowthsuchasalargenumberofbreeding,anismsstrongmetabolicactivityofdissolvedinwater,makewatermetamorphism,,fromoligotrophictransitiontorichnutrition,andtodevelopintotheswamp,untildeath,lakenaturallawofdevelopment,thisisalonghistoricalprocess,:(1)Fundedbyreduction,waterinthebluegreenalgaeandgreenalgaemultiply,planktonindividualnumberhugeincrease;(2)Duetotheplankton,abigincreaseinthenumberofbacteriainthewatertoalargeincreaseofsuspendedsolids,transparencyreduced;(3)anicsubstance;(4)positionreleasemakewatertomaintainhigherTN,TP,WaterpHvaluerise(5)(reservoireutrophicationsurveyresultsshowthat:ineasternChina,thesurveylakesmosthasenteredtheeutrophicationstatus(suchaschaolake,tailake,thehongzelake,NaSiHu,etc.),afewinthereservoireutrophicationedge,manyurbanlakeshasreachedaseriouseutrophication(suchasnanjingxuanwu
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