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ҹ˾Iǣawϵ͑ṩcձͬƷ|ĮaƷ՞Ŀˣҹ˾_lġҼwawϵᘌЈӻ󣬞͑ṩˏOӋƷȫλաϵy춝MССͳɱƷ|؛ڿȶNЈ҂Ҽ͑ṩMķա
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ɧŮߣߣ,ŷаͼ,

gҼNЧȥؽٵķˮ@ȾƺˮIYl]goȡҪáĿǰ҇ؽُUˮ̎gձṩ̎ˇmȻ̎Чãв㣬оУɧŮߣߣ,ŷаͼ,rؽٵ^̼뵽̎UˮšУˮ||ʣ̎ɱ

    Speaking, from the aspects of environmental pollution of heavy metals mainly refers to the toxicity of mercury, cadmium, lead, and other significant metal elements, also has a certain toxic elements, such as zinc, copper, cobalt, etc, and some elements, such as arsenic, selenium, beryllium,

  • (9)
  • although these do not belong to heavy metals, but given the toxicity of arsenic and selenium and certain properties similar to heavy metals, and beryllium and closely related to human health, so, the arsenic and selenium in environmental studies with beryllium on heavy metal in the discussion. Industrial wastewater discharged by large-scale industry, heavy industry enterprises, printing and dyeing, textile, papermaking and other factories contains a large number of heavy metal ions. After being discharged into water, these heavy metals migrate and accumulate, causing great harm to the ecosystem, agriculture and human health.

    磬UҼN͵ؽٛ@ȾȻhyԱ΢オ⣬ͨ^ֲrUDƵ˻߄wȣLúUˮؚѪIKtgȇصļPb2+ОˮwЃȿƵě@Ⱦ֮Ҽ;@İ˴󹫺оؽCdġʹHgġˮR;wDZԪأɧŮߣߣ,ŷаͼ,жPĺ㲡|ƤwԼYȣϺܶ؅^@ȾҲɞ粚ĿȫԆ}֮Ҽ

  • (10)
  •     ҼN|erҪɷSiO2߀Ľ϶ȴ󡢷ԏԺõc춉Tϡᡢ@ˮ̎ИIʮǰоˆT_ʼоܡlȲv_MлWԣKҺpHֵÕrgȗlܵӰ푷оԓόPb2+ãY@ʾҜؗl,Pb2+ijʼ|Ȟ20mg/LͶ3.0g/Lrg60minҺpHֵ7~8ėl£ˮҺPb2+ȥʞ96.3%óЧ@ԭ

  • (29)
  •     wSϷӃкܶuFҾж׵ԣܵоˆTP]KP춴оҲ࣬ĿǰоˆTͨ^MлWԣʹЧߡwSԭƂˉA̓ԻwSأ̽ӑϳ;PӰأKоaCr2O72-Mn2+Cu2+ܣYɧŮߣߣ,ŷаͼ,pHֵxӵȥЧ^Ӱ푣pHֵ5.8rCr2O72-^õ;pHֵ7.0rMn2+Cu2+^õ;ԓƂaꎡxӾЧáxͨ^ϳɵďUˮwS̽䌦Cu2+ܣóUˮwSCu2+_6.24mg/gҪԏUˮwS-hucCu2+Ľjã-hcCu2+jϱȞ4:7ԓwSԇlҪ^ΣoΛ@Ⱦ҃Ч^ߡ

     

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