近幾十年來,廢銅回收廢雜料的回收量飛速增長,廢銅回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)二次資(zi)源(yuan)在整個廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)工(gong)(gong)業(ye)(ye)(ye)原(yuan)(yuan)料中(zhong)(zhong)的(de)比(bi)重也(ye)(ye)越(yue)來越(yue)大(da)(da)(da)。從1950年(nian)(nian)(nian)(nian)(nian)(nian)開始直到(dao)今天,再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)產(chan)量(liang)逐年(nian)(nian)(nian)(nian)(nian)(nian)遞增,發達(da)(da)國(guo)(guo)(guo)家原(yuan)(yuan)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)與再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)的(de)占(zhan)(zhan)有比(bi)已接近或超出1:1。一(yi)些發達(da)(da)國(guo)(guo)(guo)家如(ru)美國(guo)(guo)(guo)再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)的(de)年(nian)(nian)(nian)(nian)(nian)(nian)均增長率為(wei)(wei)6.2%,遠(yuan)遠(yuan)高于(yu)同期(qi)原(yuan)(yuan)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)的(de)0.1%的(de)增長。2000年(nian)(nian)(nian)(nian)(nian)(nian)度,全世界生(sheng)(sheng)(sheng)產(chan)再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)及合(he)金816萬噸,占(zhan)(zhan)原(yuan)(yuan)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)產(chan)量(liang)的(de)33%。其(qi)中(zhong)(zhong)美國(guo)(guo)(guo)93%,法國(guo)(guo)(guo)59%,德(de)國(guo)(guo)(guo)89%,日(ri)本的(de)再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)產(chan)量(liang)更是原(yuan)(yuan)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)的(de)186倍。美國(guo)(guo)(guo)是廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)利(li)用(yong)數目最大(da)(da)(da)的(de)國(guo)(guo)(guo)家。二十(shi)年(nian)(nian)(nian)(nian)(nian)(nian)來,其(qi)再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)在廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)總產(chan)量(liang)的(de)比(bi)例(li)已由(you)1978年(nian)(nian)(nian)(nian)(nian)(nian)的(de)22.65%上(shang)升(sheng)到(dao)1997年(nian)(nian)(nian)(nian)(nian)(nian)的(de)超過50%。而且(qie),再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)增長速度也(ye)(ye)逐年(nian)(nian)(nian)(nian)(nian)(nian)上(shang)升(sheng)。1978年(nian)(nian)(nian)(nian)(nian)(nian)至(zhi)1987年(nian)(nian)(nian)(nian)(nian)(nian)再(zai)(zai)生(sheng)(sheng)(sheng)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)/總產(chan)量(liang)的(de)比(bi)例(li)上(shang)升(sheng)了11.6個百分比(bi),而1988-1997十(shi)年(nian)(nian)(nian)(nian)(nian)(nian)左右的(de)時間中(zhong)(zhong),上(shang)升(sheng)了16個百分點以上(shang)。這說明了廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)再(zai)(zai)生(sheng)(sheng)(sheng)資(zi)源(yuan)利(li)用(yong)發展越(yue)來越(yue)受到(dao)重視(shi)中(zhong)(zhong)國(guo)(guo)(guo)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)工(gong)(gong)業(ye)(ye)(ye)正處于(yu)快速發展階段,中(zhong)(zhong)國(guo)(guo)(guo)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)率目前為(wei)(wei)32%,但不久將快速提升(sheng)至(zhi)70%。政(zheng)府、企(qi)業(ye)(ye)(ye)、公眾對于(yu)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)業(ye)(ye)(ye)的(de)重要性(xing)認識都(dou)大(da)(da)(da)大(da)(da)(da)提高。中(zhong)(zhong)國(guo)(guo)(guo)2001年(nian)(nian)(nian)(nian)(nian)(nian)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)總計(ji)918,000。1998年(nian)(nian)(nian)(nian)(nian)(nian)為(wei)(wei)536,000。2001年(nian)(nian)(nian)(nian)(nian)(nian)中(zhong)(zhong)國(guo)(guo)(guo)原(yuan)(yuan)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)產(chan)量(liang)為(wei)(wei)343萬,1998年(nian)(nian)(nian)(nian)(nian)(nian)為(wei)(wei)242萬。同期(qi)的(de)消(xiao)費分別為(wei)(wei)365萬和(he)242萬,中(zhong)(zhong)國(guo)(guo)(guo)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)潛力巨(ju)大(da)(da)(da)。工(gong)(gong)業(ye)(ye)(ye)發達(da)(da)國(guo)(guo)(guo)家,由(you)于(yu)發展較(jiao)快,壽命的(de)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)材越(yue)來越(yue)多,回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)工(gong)(gong)作引起重視(shi)較(jiao)少勢在必然。各(ge)種用(yong)途的(de)廢(fei)(fei)(fei)(fei)銅(tong)(tong)(tong)(tong)回(hui)(hui)(hui)(hui)(hui)(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)材也(ye)(ye)就成(cheng)了廢(fei)(fei)(fei)(fei)料的(de)不同來源(yuan)。
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