高二生物包埋光合细菌净化观赏鱼养殖污水的研究摘要本文介绍我使用游离光合细菌、包埋光合细菌净化观赏鱼养殖污水
通过观察现象、测定DO、COD、NH3-N等的水质指标,比较结果,发现包埋的光合细菌可以长时间、更有效地净化观赏鱼养殖污水,不散发腥臭味
把包埋光合细菌应用于观赏鱼养殖中,既节约了水电资源,又有利于保护环境
AbstractThisarticlemainlyintroduceshowIusedthefreePSBandthefixedPSBtopurifythebreedingsewageofdecorativefish
Duringtheprocess,IobservedthephenomenaandmeasuredtheindexesofDO,CODandammonia-Ninthewater
Accordingtocomparison,IhavediscoveredthatthefixedPSBcankeepthebreedingsewageofdecorativefishpurifiedalongertimeaswellasmoreefficiency
Thewaterwon’tgiveofffishyandstenchysmell
MyexperimentprovesthattheuseofthefixedPSBtothebreedingwaterofdecorativefishcannotonlysavetheresourcesofwater&electricity,butalsoprotecttheenvironment
关键词:包埋光合细菌养殖污水净化水质KeywordsPurifysewagefixedPhotosyntheticbacteriaPSB一、前言目前,家庭养殖观赏鱼已成为一种时尚,但是观赏鱼养殖中存在需频繁换水、不间断充氧等问题,给人们