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电镀污泥的无害化处理技术

更新时间:2017-12-28 来源:电刷镀 标签:

电镀污泥的无害化处理技术

电镀污泥是一种典型的危险废物,其中含有大量的镉、锌、镍、铬等重金属化合物和可溶性盐类。因此,电镀污泥的回收利用符合国家可持续发展战略要求。目前国内主要使用的技术有:1. 固化/稳定化技术 2. 热化学处理技术 3. 资源化利用技术。

1. 固化/稳定化技术

TONGGUOXIANGWUNIZHONGTOUFANGGUHUAJI(SHUINI、BOLI、LIQING、SHUIBOLIDENG)JINXINGWANQUANHUNHEHOUGUHUAXINGCHENGGUHUATI,SHIWUNIZHONGDEYOUHAIWUZHIFENGBIZAIGUHUATINEIBUBEIJINCHU,CONGERDADAOCHULIDIANDUWUNIDEMUDE。CHANGJIANDEGUHUAJIYOUSHUINI(ZUICHANGJIAN)、SHIHUI(CHENGBENJIAOGAO)、HUOXINGYANGHUALV、HUOXINGGUQIAOHUIDENG。

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2. 热化学处理技术

看一集电视剧赚60元TONGGUOFENSHAO、WEIBO、LIZIDIANHUDENGFANGFA,ZAIGAOWENTIAOJIANXIADUIFEIWUJINXINGGAOWENFENJIE,SHIDIANDUWUNIZHONGDEMOUXIEJUDUWUCHENGFENDEDUXINGJIANGDI,CONGERDADAOCHULIDEMUDE。FENSHAOFASHIRECHULIFAZHONGZUICHANGYONGDEFANGFA,CIFANGFAKEYISHIXIANDIANDUWUNIDEKUAISUJIANRONG,CONGERJIANSHAOWUNIDUIHUANJINGWURAN。YANJIUBIAOMING,RECHULIFAKEYIYOUXIAODICHULIWUNIZHONGZHONGJINSHUGE(espinos,2001)。

此方法处理快速、有效减容,并且在焚烧后容易对废物进行回收利用,但是此法能耗较高,焚烧设备要求高,小电镀厂难以承担处理费用,因此此法难以得到推广。

3. 资源化利用技术

3.1 SUANJINFA、ANJINFA

看一集电视剧赚60元TONGGUOYIDINGDECHULIFANGFA,JIANGWUNIZHONGDEZHONGJINSHUYILIZIHUOZHELUOHEWUDEXINGTAIJINCHU,RANHOUYONGYOUJIRONGJIJIANGZHONGJINSHULIZICONGJINCHUYEZHONGCUIQUCHULAI,DUIZHONGJINSHUJINXINGXUANZEXINGHUISHOU。ZHUYAOFANGFAYOUSUANJINFAHEANJINFA。

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ANJINFAZHUYAOCAIYONGANSHUIZUOJINCHUJI,LIYONGRUOSUANXINGDETIAOJIANXIAnh3-(nh4)2so4TIXIZHONGZHONGJINSHUYUANSUSHENGCHENGBUTONGDECHANWURANHOUFENLI,CAIYONGANLUOHEFENZUJINCHUKEYICONGDIANDUWUNIZHONGFENLICHUJUEDABUFENZHONGJINSHUYUANSU。ANJINFADUIGE、TIEDENGZAZHIJUYOUJIAOGAODEXUANZEXING,RANERDUITONG、NIE、XINDENGDEJINCHULVJIAODI。

看一集电视剧赚60元3.2 SHENGWUCHULI(JINCHU)FA

LIYONGHUANENGZIYANGXINGSHISUANXINGLIUGANJUNFENMISHENGWUSUAN,JIANGDIANDUWUNIZHONGNANRONGZHONGJINSHUZHUANHUAWEIJINSHULIZICONGGUXIANGZHONGTIQUCHULAI,ZAILIYONGYIDINGDEFANGFACONGJINCHUYEZHONGJIAYIHUISHOULIYONG。MUQIAN,GAIJISHUDENANDIANZAIYUPEIYANGSHIYINGXINGQIANG、ZHIFEIXIAOLVGAODEJUNZHONG。YANJIUBIAOMING,SHENGWUCHULIFAKEYIYOUXIAODICHUQUDIANDUWUNIZHONGTONG、XIN、GE、NIEDENGZHONGJINSHU(atkinson,1996)。

看一集电视剧赚60元DIANDUWUNICHENGFENFUZA,SUIRANYOUDUOZHONGCHULIFANGFA,DANSHIZAINENGHAO、CHENGBENYIJIHUANJINGBAOHUFANGMIANRENGRANCUNZAIBUSHAOBIDUAN,JINHOUDIANDUWUNIDEFAZHANFANGXIANGZHUYAOSHIYIXIAJIGEFANGMIAN。

看一集电视剧赚60元(1)ZIYUANHUALIYONG,JIANGDIANDUWUNIJIAGONGCHENGGONGYEYUANLIAO,ZUODAOFEIWULIYONG,JIANSHAOHUANJINGWURAN。

(2)HUAXUECHULIFA,HUISHOUWUNIZHONGDEZHONGJINSHU,JUYOUKEGUANDEJINGJIXIAOYI。

(3)SHENGWUCHULI,CIFANGFAZAIHUISHOUZHONGJINSHUFANGMIANQUDEBUCUODEXIAOGUO,JIANGCHENGWEIWEILAIWUNICHULIDEFAZHANFANGXIANG。

SHIZHENGKEXUESHIGUONEIYIJIAZHUANYEDEWEIZHICHENGFENFENXICESHIJIGOU,KEWEIGELEIDIANDUYAOJITIGONGYIZHANSHICHANPINDEFENXICESHI、FAGUIFUHEXINGHEZIXUNDENGFUWU,WEIQIYEDEKEYANKAIFAJIJISHUCHUANGXINTIGONGYOULIDEJISHUZHICHENG。

SHIZHENGKAIFAFUWU

看一集电视剧赚60元SHIZHENGKEXUEQINGCHUZIJIDEWEILAI,JIANGYIRUJIWANGDIWEIQIYEDECHANPINYANFAXITONGTIGONGFUWU,YIZHUANYEDEJISHUFENXINENGLIZUOWEIZHICHENG,YIPINGMIANHUASHUJUWEIJIEPOUGONGJU,YISHICHANGXUQIUDINGWEIWEIXIANDAO,DUIYIYOUCHANPINJINXINGQUANFANGWEIYOUHUAHEWANSHAN。YOUXIAODECHANPINZUHEYUDINGZHIYANFADEJISHUZHENGHE,CHONGFENFAHUIQIYEDEZHANGQIJINGZHENGYOUSHI,BANGZHUQIYESHIXIANDEYINGXIAOMUBIAO。

CHANPINYANSHENYANJIUJIKAIFA。

YANJIUJISHUBAOKUO:

1. CHANPINGAINIANCESHI

2. CHANPINCESHI

3. 。 。 。 。

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1. CHUANDIZHENGQUEJIAZHI

2. YISHUJUZUOWEIGONGZUOJIEGUODEWEIYIPANDUANYIJU。

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5. BAOSHOUKEHUDEJISHUMIMI。

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