銅具有(you)優良(liang)的(de)(de)(de)導(dao)熱(re)和(he)(he)導(dao)電性能，以(yi)及(ji)良(liang)好的(de)(de)(de)抗腐蝕和(he)(he)機(ji)械性能。銅容(rong)易(yi)被(bei)加工成(cheng)復(fu)雜(za)的(de)(de)(de)形狀(zhuang)和(he)(he)細(xi)絲(si)。建筑師經常(chang)利(li)用其亮(liang)紅(hong)色(se)和(he)(he)其被(bei)侵蝕后的(de)(de)(de)銅綠，來(lai)作為建筑物、頂棚和(he)(he)戶外(wai)裝置(zhi)的(de)(de)(de)裝飾。廢(fei)(fei)銅供應中(zhong)(zhong)還有(you)一(yi)類問題(ti)就是(shi)舊(jiu)廢(fei)(fei)銅，主要是(shi)在使用時間(jian)之后被(bei)丟棄的(de)(de)(de)銅資(zi)源，通(tong)(tong)(tong)常(chang)我們會被(bei)進行回收(shou)(shou)商(shang)回收(shou)(shou)處理之后，集中(zhong)(zhong)發(fa)展起來(lai)賣(mai)給造銅企業(ye)。回收(shou)(shou)商(shang)通(tong)(tong)(tong)常(chang)從廢(fei)(fei)舊(jiu)建筑物設計以(yi)及(ji)中(zhong)(zhong)國(guo)交通(tong)(tong)(tong)管理工具中(zhong)(zhong)拆卸(xie)廢(fei)(fei)銅，銅資(zi)源不論(lun)是(shi)還是(shi)被(bei)包著，一(yi)般(ban)這種(zhong)情況分析(xi)都可以(yi)被(bei)回收(shou)(shou)再生(sheng)。通(tong)(tong)(tong)常(chang)，三(san)分之一(yi)的(de)(de)(de)廢(fei)(fei)銅是(shi)以(yi)精煉銅的(de)(de)(de)形式(shi)形成(cheng)的(de)(de)(de)，三(san)分之二的(de)(de)(de)廢(fei)(fei)銅是(shi)以(yi)銅合金的(de)(de)(de)形式(shi)重復(fu)利(li)用的(de)(de)(de)。外(wai)觀顏色(se)呈(cheng)黃(huang)色(se)，通(tong)(tong)(tong)常(chang)廢(fei)(fei)舊(jiu)的(de)(de)(de)黃(huang)銅，由于使用年限較長(chang)，或長(chang)期暴(bao)露在戶外(wai)，外(wai)觀表面會呈(cheng)烏黃(huang)色(se)，這是(shi)由于表面氧化導(dao)致(zhi)，鑒(jian)別真假廢(fei)(fei)舊(jiu)黃(huang)銅大家不妨拿一(yi)個黃(huang)銅產(chan)品在地上用力磨幾(ji)下，會發(fa)現(xian)內部還會呈(cheng)現(xian)出原有(you)的(de)(de)(de)光亮(liang)黃(huang)色(se)，在磁鐵的(de)(de)(de)作用下，不會產(chan)生(sheng)吸力。通(tong)(tong)(tong)常(chang)廢(fei)(fei)舊(jiu)黃(huang)銅的(de)(de)(de)價(jia)格根據市(shi)場行情及(ji)廢(fei)(fei)舊(jiu)黃(huang)銅產(chan)品的(de)(de)(de)摻雜(za)率價(jia)格會在幾(ji)塊到十(shi)幾(ji)塊一(yi)斤(jin)不等(deng)，價(jia)格會低于廢(fei)(fei)紫(zi)銅。

 　　銅(tong)(tong)易(yi)與(yu)其它(ta)元素(su)形(xing)成合(he)金(jin)(jin)(jin)(jin)，大量用(yong)(yong)來(lai)制(zhi)造異型的(de)(de)(de)鍛件(jian)、鑄造件(jian)和(he)粉末(mo)冶金(jin)(jin)(jin)(jin)產品(pin)。銅(tong)(tong)與(yu)鎳(nie)形(xing)成合(he)金(jin)(jin)(jin)(jin)具(ju)(ju)有(you)抗海水腐(fu)蝕的(de)(de)(de)優良性(xing)能。錫(xi)可以(yi)(yi)提高固(gu)溶體中銅(tong)(tong)的(de)(de)(de)強度(du)(du)和(he)抗腐(fu)蝕性(xing)能。鋅和(he)銅(tong)(tong)合(he)金(jin)(jin)(jin)(jin)，即黃銅(tong)(tong)粉，被(bei)用(yong)(yong)于(yu)水管(guan)、鎖件(jian)、閥門(men)、管(guan)件(jian)。含(han)(han)(han)有(you)鎳(nie)、錫(xi)、鈦、鈹及鈷的(de)(de)(de)銅(tong)(tong)合(he)金(jin)(jin)(jin)(jin)強度(du)(du)相(xiang)當于(yu)高強度(du)(du)鋼(gang)，而且具(ju)(ju)有(you)高的(de)(de)(de)導(dao)電(dian)率和(he)導(dao)熱性(xing)能。銅(tong)(tong)及銅(tong)(tong)鋅鋁(lv)(lv)(lv)合(he)金(jin)(jin)(jin)(jin)常被(bei)用(yong)(yong)于(yu)生(sheng)(sheng)產片狀的(de)(de)(de)金(jin)(jin)(jin)(jin)粉。通過(guo)調整錫(xi)鎳(nie)成分(fen)，可以(yi)(yi)生(sheng)(sheng)成特定的(de)(de)(de)顏(yan)色。銅(tong)(tong)粉重要(yao)(yao)和(he)特色的(de)(de)(de)應(ying)用(yong)(yong)是(shi)(shi)粉末(mo)冶金(jin)(jin)(jin)(jin)領(ling)域(yu)(yu)。在(zai)此(ci)領(ling)域(yu)(yu)的(de)(de)(de)材(cai)料不是(shi)(shi)通過(guo)熔(rong)煉(lian)和(he)鑄造得(de)到的(de)(de)(de)，例(li)如：彌散(san)強化Cu-Al2O3用(yong)(yong)來(lai)強化和(he)制(zhi)造焊(han)接電(dian)較(jiao)(jiao)(用(yong)(yong)于(yu)汽車(che)和(he)其它(ta)工業(ye)領(ling)域(yu)(yu))，用(yong)(yong)于(yu)電(dian)子部(bu)件(jian)的(de)(de)(de)熱管(guan)理領(ling)域(yu)(yu)W-Cu和(he)Mo-Cu，此(ci)類材(cai)料需(xu)要(yao)(yao)控制(zhi)其孔(kong)隙率。自潤滑軸承和(he)過(guo)濾(lv)器是(shi)(shi)粉末(mo)冶金(jin)(jin)(jin)(jin)領(ling)域(yu)(yu)典型的(de)(de)(de)應(ying)用(yong)(yong)。這(zhe)些材(cai)料要(yao)(yao)求控制(zhi)適當的(de)(de)(de)孔(kong)隙率，以(yi)(yi)此(ci)含(han)(han)(han)油量達到優良的(de)(de)(de)潤滑效果(guo)。廢(fei)(fei)為寶”重要(yao)(yao)的(de)(de)(de)，就(jiu)是(shi)(shi)還原(yuan)后(hou)銅(tong)(tong)的(de)(de)(de)純度(du)(du)，每天還要(yao)(yao)取樣來(lai)分(fen)析其中的(de)(de)(de)氧含(han)(han)(han)量等(deng)(deng)是(shi)(shi)否達標(biao)。以(yi)(yi)前(qian)再生(sheng)(sheng)銅(tong)(tong)對廢(fei)(fei)銅(tong)(tong)的(de)(de)(de)要(yao)(yao)求比較(jiao)(jiao)高，需(xu)要(yao)(yao)按照一定比例(li)搭配(pei)原(yuan)材(cai)料才能實施，廢(fei)(fei)鋁(lv)(lv)(lv)回(hui)(hui)收(shou)(shou)價(jia)格(ge)多(duo)少錢一斤，經過(guo)實驗后(hou)，只(zhi)要(yao)(yao)是(shi)(shi)廢(fei)(fei)銅(tong)(tong)就(jiu)可以(yi)(yi)進行再生(sheng)(sheng)，技術上取得(de)了進步(bu)。在(zai)以(yi)(yi)前(qian)，金(jin)(jin)(jin)(jin)屬銅(tong)(tong)都(dou)是(shi)(shi)從(cong)銅(tong)(tong)礦石中提煉(lian)，礦山開采及冶煉(lian)過(guo)程容易(yi)污染破壞環境(jing)。而原(yuan)料全部(bu)使用(yong)(yong)廢(fei)(fei)銅(tong)(tong)料，不含(han)(han)(han)硫等(deng)(deng)排(pai)放物，符合(he)節能、低污染、規模化再生(sheng)(sheng)資源回(hui)(hui)收(shou)(shou)與(yu)綜合(he)利用(yong)(yong)的(de)(de)(de)產業(ye)政策方向。廢(fei)(fei)銅(tong)(tong)廢(fei)(fei)鋁(lv)(lv)(lv)回(hui)(hui)收(shou)(shou)“廢(fei)(fei)銅(tong)(tong)”也可以(yi)(yi)變廢(fei)(fei)為寶，節能減(jian)排(pai)。

 關于(yu)再利(li)用(yong)(yong)(yong)的(de)問題：因廢(fei)(fei)銅(tong)(tong)(tong)包含(han)范圍大(da)，我(wo)們可將(jiang)其按(an)回(hui)收利(li)用(yong)(yong)(yong)的(de)簡易程(cheng)度(du)分類(lei)(lei)，如(ru)：表面干凈，無(wu)雜(za)(za)物黏著物為(wei)(wei)(wei)一(yi)類(lei)(lei)；表面及內部混有雜(za)(za)物為(wei)(wei)(wei)第二類(lei)(lei)；廢(fei)(fei)舊無(wu)法(fa)使用(yong)(yong)(yong)的(de)純(chun)銅(tong)(tong)(tong)電(dian)器開關、零件等為(wei)(wei)(wei)第三類(lei)(lei)等。也可根(gen)據實際情況具體分類(lei)(lei)。我(wo)們稱含(han)銅(tong)(tong)(tong)量高于(yu)99%的(de)廢(fei)(fei)銅(tong)(tong)(tong)為(wei)(wei)(wei)1號(hao)銅(tong)(tong)(tong)，可直接(jie)融化和再利(li)用(yong)(yong)(yong)。稱含(han)銅(tong)(tong)(tong)量低(di)于(yu)945%的(de)銅(tong)(tong)(tong)為(wei)(wei)(wei)2號(hao)銅(tong)(tong)(tong)，必須重新融化使用(yong)(yong)(yong)。　　銅(tong)(tong)(tong)：無(wu)合金(jin)的(de)廢(fei)(fei)銅(tong)(tong)(tong)線(xian)(xian)(xian)，含(han)有雜(za)(za)料，含(han)銅(tong)(tong)(tong)量為(wei)(wei)(wei)96%（較(jiao)小含(han)量94%）。廢(fei)(fei)鋁(lv)(lv)回(hui)收不得(de)含(han)有過(guo)分鉛化和錫化的(de)銅(tong)(tong)(tong)線(xian)(xian)(xian)、焊(han)接(jie)過(guo)的(de)銅(tong)(tong)(tong)線(xian)(xian)(xian)、黃銅(tong)(tong)(tong)和青銅(tong)(tong)(tong)線(xian)(xian)(xian)、過(guo)多的(de)油(you)、廢(fei)(fei)鋼鐵和非金(jin)屬(shu)、脆的(de)過(guo)燒(shao)線(xian)(xian)(xian)、絕緣性銅(tong)(tong)(tong)線(xian)(xian)(xian)和過(guo)多的(de)細絲線(xian)(xian)(xian)。需用(yong)(yong)(yong)適當方式清除(chu)塵垢。廢(fei)(fei)漆包線(xian)(xian)(xian) ：1級(ji)純(chun)漆包線(xian)(xian)(xian)，無(wu)雜(za)(za)質(zhi)。2級(ji)：經(jing)過(guo)高溫脫漆，表面有氧化層，無(wu)雜(za)(za)質(zhi)。廢(fei)(fei)鋁(lv)(lv)中(zhong)經(jing)常含(han)有油(you)漆、油(you)類(lei)(lei)、塑料、橡膠等有機(ji)非金(jin)屬(shu)雜(za)(za)質(zhi)。在回(hui)爐冶(ye)煉前(qian)，必須設法(fa)加(jia)以清除(chu)。對于(yu)導線(xian)(xian)(xian)類(lei)(lei)廢(fei)(fei)鋁(lv)(lv)，一(yi)般可采用(yong)(yong)(yong)機(ji)械研磨或剪切剝(bo)離(li)、加(jia)熱剝(bo)離(li)、化學剝(bo)離(li)等措施去(qu)除(chu)。