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</script>  </div> </div> <div id="q5uyq0pkp" class="content"><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"> 為了使環(huán)境更適合我們?nèi)祟?lèi)的生活和工作，那么環(huán)保是勢(shì)在必行的。為了防止自然環(huán)境的惡化，那么就需要我們保護(hù)青山，綠水，藍(lán)天，大海。<span style="font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; text-indent: 28px; background-color: rgb(255, 255, 255);">環(huán)保，在我們的生活中極為重要，我們要盡我們自己的所能，保護(hù)環(huán)境。</span> </span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"> 工業(yè)廢水繁多，工業(yè)廢水是工藝生產(chǎn)過(guò)程中產(chǎn)生的各類(lèi)廢水，工業(yè)廢水不可以直接排放，直接排放對(duì)環(huán)境污染大，特別是水污染。對(duì)我們的生活影響很大，現(xiàn)在全國(guó)都在建環(huán)保企業(yè)，也是不容我們直接排放出去的。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"> 工業(yè)廢水可分為PCB行業(yè)廢水、造紙廢水，紡織廢水，制革廢水，五金加工行業(yè)廢水，研磨廢水等。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"> PCB廢水就是多氯聯(lián)苯廢水，是印刷行業(yè)及線(xiàn)路板廠廢水中的一種廢水?，F(xiàn)在，全世界每年產(chǎn)生的有毒有害化學(xué)廢物達(dá)3億到4億噸，其中對(duì)生態(tài)危害很大、并在地球上擴(kuò)散最廣的是持久性有機(jī)污染物（POP），此外，PCB廢水分為：清洗廢水、油墨廢水、絡(luò)合廢水、濃酸廢液、濃堿廢液等。印制電路板(PCB)生產(chǎn)用水量大，廢水污染物種類(lèi)多，成份復(fù)雜。針對(duì)不同PCB廠家的廢水特點(diǎn)，合理的進(jìn)行分類(lèi)收集、分質(zhì)處理，是確保廢水處理達(dá)標(biāo)的關(guān)鍵。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">對(duì)于PCB板行業(yè)廢水處理，有化學(xué)法（化學(xué)沉淀法、離子交換法、電解法等）、物理法（各種潷析法、過(guò)濾法、電滲析、反滲透等），化學(xué)法是將廢水中的污染物質(zhì)轉(zhuǎn)化成易分離的物態(tài)（固態(tài)或氣態(tài)），物理法是將廢水中的污染物富集起來(lái)或?qū)⒁追蛛x的物態(tài)從廢水中分離出來(lái)，使廢水達(dá)到排放標(biāo)準(zhǔn)。國(guó)內(nèi)外采用的方法有以下幾種。</p><p class="ql-align-center" style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; text-align: center; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><img max-width="600" src="/data/upload/image/20220614/1655166556558840.jpeg" style="border: 0px; margin: 10px auto 0px; padding: 0px; display: block; max-width: 100%; height: auto;"/></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">一、潷析法</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">潷析法實(shí)際上是過(guò)濾法，是PCB板行業(yè)廢水處理方法中物理法的一種。去毛刺機(jī)排出的含有銅屑的沖洗水，經(jīng)過(guò)潷析器處理，可過(guò)濾除去銅屑。經(jīng)潷析器過(guò)濾的出水可回用毛刺機(jī)的清洗水。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">二、化學(xué)法</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">化學(xué)法包括氧化還原法和化學(xué)沉淀法。氧化還原法是利用氧化劑或還原劑將有害物質(zhì)轉(zhuǎn)化為無(wú)害物質(zhì)或易沉淀、析出的物質(zhì)。線(xiàn)路板中的含氰廢水和含鉻廢水常采用氧化還原法，詳見(jiàn)后面說(shuō)明。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">化學(xué)沉淀法是選用一種或幾種化學(xué)藥劑使有害物質(zhì)轉(zhuǎn)化為易分離的沉淀物或析出物。PCBA OEM代工代料線(xiàn)路板廢水處理選用的化學(xué)藥劑有多種，如NaOH、CaO、Ca(OH)2、Na2S、CaS、Na2CO3、PFS、PAC、PAM、FeSO4、FeCl3、ISX等，沉淀劑能把重金屬離子轉(zhuǎn)化成沉淀物，然后通過(guò)斜板沉淀池、砂濾器、PE過(guò)濾器、壓濾機(jī)等，使固液分離。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">三、化學(xué)沉淀——離子交換法</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">化學(xué)沉淀處理高濃度線(xiàn)路板廢水一步達(dá)到排放標(biāo)準(zhǔn)是比較困難，常和離子交換法結(jié)合使用。先用化學(xué)沉淀法，處理高濃度的線(xiàn)路板廢水，使其重金屬離子的含量降低到5mg/L左右，再用離子交換法，把重金屬離子降低到排放標(biāo)準(zhǔn)。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">四、電解——離子交換法</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">PCB板行業(yè)廢水處理方法中，電解法處理高濃度線(xiàn)路板廢水可降低重金屬離子的含量，其目的同化學(xué)沉淀法一樣。但電解法不足之處是：只對(duì)高濃度的重金屬離子處理有效，濃度降低，電流明顯下降，效率明顯減弱；耗電量大，推廣較困難；電解法只能處理單一金屬。電解——離子交換法就是鍍銅、蝕刻廢液，對(duì)于其它廢水，還要用其它方法處理。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">五、化學(xué)法——膜過(guò)濾法</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">PCB板行業(yè)企業(yè)的廢水通過(guò)化學(xué)預(yù)處理，使有害物質(zhì)沉淀出可過(guò)濾的顆粒（直徑＞0.1μ），再經(jīng)膜過(guò)濾裝置過(guò)濾，就能達(dá)到排放標(biāo)準(zhǔn)。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">六、氣態(tài)凝聚——電過(guò)濾法</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">PCB板行業(yè)廢水處理方法中，氣態(tài)凝聚——電過(guò)濾法是美國(guó)在80年代開(kāi)發(fā)出來(lái)的一種不加化學(xué)藥劑的新穎廢水處理法，屬于一種物理方法來(lái)處理印制電路板廢水。包括三個(gè)部分，第一部分是離子化氣體發(fā)生器，空氣被吸入該發(fā)生器，能過(guò)離子化磁場(chǎng)改變其化學(xué)結(jié)構(gòu)，變成高度活化的磁性氧離子和氮離子，用射流裝置把這種氣體引入廢水中，使廢水中的金屬離子、有機(jī)物等有害物質(zhì)氧化并聚集成團(tuán)，易于過(guò)濾除去；第二部分是電解質(zhì)過(guò)濾器，過(guò)濾除去第一部產(chǎn)生的聚團(tuán)物質(zhì)；第三部分是高速紫外線(xiàn)照射裝置，紫外線(xiàn)射入水中可氧化有機(jī)物和化學(xué)絡(luò)合劑，降低CODcr和BOD5。目前，裕佳環(huán)保已開(kāi)發(fā)出成套一體化設(shè)備可直接應(yīng)用。</p><p class="ql-align-center" style="border: 0px; 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