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Courseguide凈化的目的

Purposeofpurification原料

Rawmaterial雜質(zhì)

Impurity有價金屬

Valuablemetals浸出溶液

Leachingsolution有價金屬主體

Valuablemetalbody浸出

Leaching凈化

Purify林忠

Lin

Zhong

主講教師

Lecturer課程導(dǎo)入

Courseguide水溶液中主體金屬與雜質(zhì)元素分離的過程，稱為水溶液凈化。Theprocessofseparatingthebasemetalfromimpurityelementsinaqueoussolutioniscalledaqueoussolutionpurification.

凈化的目的

Purposeofpurification凈化的目的

Purposeofpurification將溶液中的雜質(zhì)控制在下一工序要求的范圍內(nèi)，保證生產(chǎn)的進行。Controltheimpuritiesinthesolutionwithintherangerequiredbythenextprocesstoensuretheproduction.富集有價金屬，提高金屬的綜合回收及利用率。Enrichvaluablemetalsandimprovethecomprehensiverecoveryandutilizationrateofmetals.除去溶液中對電積過程有害的雜質(zhì)，使之達到電積生產(chǎn)的含量要求，保證下一工序的順利進行。Removeimpuritiesharmfultotheelectrowinningprocessinthesolution,makeitmeetthecontentrequirementsofelectrowinningproduction,andensurethesmoothprogressofthenextprocess.凈化的作用

Theroleofpurification凈化的目的

Purposeofpurification鐵

Iron銻

Antimony砷

Arsenic鈷

Cobalt鎘

Cadmium銅

Copper鎳

Nickel對于某些稀有金屬的生產(chǎn)，則可以在凈化單元過程中，采取一些方法使有價金屬盡可能地富集，從而簡化提取過程。Fortheproductionofsomeraremetals,somemethodscanbeadoptedtoenrichvaluablemetalsasmuchaspossibleinthepurificationunitprocess,thussimplifyingtheextractionprocess.凈化的目的

Purposeofpurification萃取又稱液液萃取，是指兩個完全不互溶或部分互溶的液相接觸后，一個液相中的溶質(zhì)經(jīng)過物理或化學(xué)作用另一個液相，或在兩相中重新分配的過程。

Extraction,alsoknownasliquid-liquidextraction,referstotheprocessinwhich,aftertwocompletelyimmiscibleorpartiallymiscibleliquidphasescomeintocontactwitheachother,thesoluteinoneliquidphasetransferstotheotherliquidphaseunderphysicalorchemicalinteractions,orthesolutegetsredistributedinthetwophases.

凈化的原料

Rawmaterialsforpurification通過各種浸出過程得到的金屬化合物溶液，凈化的產(chǎn)品根據(jù)所采用不同的凈化方法而不同。Thesolutionsofmetalcompoundsobtainedbyvariousleachingprocesses,thepurifiedproductsvaryaccordingtothedifferentpurificationmethodsemployed.溶液

Solution凈化渣

Purificationresidue凈化的目的

Purposeofpurification硫酸液中性浸出液的成分（g/L）

Compositionofneutralleachingsolutionofsulfuricacidsolution(g/L)工廠編號

Factory

numberZnCuCdNiCoAsSbFeCl11500.70.7-0.025--＜0.01-21450.090.550.0020.0110.00020.00040.01-31600.3270.2750.002~0.0030.009~0.0110.0006-0.0160.05~0.1041780.4640.5800.00080.036--0.004-51950.6300.930-0.007--0.005-61680.4130.6900.0060.045--0.0070.01271800.50.3----0.010-81531.160.55-0.005----91570.50.350.0020.0090.00010.000020.008-10

130~170

0.15~0.4

0.6~1.2

0.008~0.012

0.008~0.025

0.0003

0.0005

0.02

0.1

凈化的目的

Purposeofpurification元素

ElementZnCuCdCoNiSbMnMg/l130~170×103＜0.5＜2＜3＜1＜0.13~5×103元素

ElementGeFClPbSiO2Fe固體懸浮物

SolidsuspendedsolidsMg/l＜0.1＜80＜100＜0.1＜40＜20＜1.5×103電積對電解新液成分的要求

Requirementsforthecompositionofnewelectrolytesolutionbyelectrowinning硫酸鋅溶液凈化液成分

Ingredientsofzincsulfatesolutionpurificationsolution凈化產(chǎn)品

Purificationproducts凈化的目的

Purposeofpurification萃取又稱液液萃取，是指兩個完全不互溶或部分互溶的液相接觸后，一個液相中的溶質(zhì)經(jīng)過物理或化學(xué)作用另一個液相，或在兩相中重新分配的過程。

Extraction,alsoknownasliquid-liquidextraction,referstotheprocessinwhich,aftertwocompletelyimmiscibleorpartiallymiscibleliquidphasescomeintocontactwitheachother,thesoluteinoneliquidphasetransferstotheotherliquidphaseunderphysicalorchemicalinteractions,orthesolutegetsredistributedinthetwophases.

凈化

Purify將浸出過濾后的中性上清液中的雜質(zhì)除至規(guī)定的限度以下，提高其純度，使雜質(zhì)濃度在允許含量之下，從而滿足鋅電積對電解液的要求。Theimpuritiesintheneutralsupernatantafterleachingandfilteringareremovedbelowthespecifiedlimit,anditspurityisimproved,sothattheimpurityconcentrationisbelowtheallowablecontent,soastomeettherequirementsofzincelectrowinningforelectrolyte.凈化的目的

Purposeofpurification凈化產(chǎn)品

Purificationproducts萃取又稱液液萃取，是指兩個完全不互溶或部分互溶的液相接觸后，一個液相中的溶質(zhì)經(jīng)過物理或化學(xué)作用另一個液相，或在兩相中重新分配的過程。

Extraction,alsoknownasliquid-liquidextraction,referstotheprocessinwhich,aftertwocompletelyimmiscibleorpartiallymiscibleliquidphasescomeintocontactwitheachother,thesoluteinoneliquidphasetransferstotheotherliquidphaseunderphysicalorchemicalinteractions,orthesolutegetsredistributedinthetwophases.

硫酸鋅溶液凈化的目的

Purposeofzincsulfatesolutionpurification銅

鎘

鈷

鎳

Coppercadmiumcobaltnickel

砷銻鍺

Arsenicantimonygermanium

凈化流程及方法取決于中性浸出液中的雜質(zhì)成分及對凈化后液的要求Thepurificationprocessandmethoddependontheimpuritycomponentsintheneutralleachingsolutionandtherequirementsforthepurifiedsolution.銅鎘鈷

Coppercadmiumcobalt浸出液

Leachingsolution除去

Remove富集

Enrichment凈化的目的

Purposeofpurification凈化產(chǎn)品

Purificationproducts萃取又稱液液萃取，是指兩個完全不互溶或部分互溶的液相接觸后，一個液相中的溶質(zhì)經(jīng)過物理或化學(xué)作用另一個液相，或在兩相中重新分配的過程。

Extraction,alsoknownasliquid-liquidextraction,referstotheprocessinwhich,aftertwocompletelyimmiscibleorpartiallymiscibleliquidphasescomeintocontactwitheachother,thesoluteinoneliquidphasetransferstotheotherliquidphaseunderphysicalorchemicalinteractions,orthesolutegetsredistributedinthetwophases.

凈化過程

Purificationprocess連續(xù)化自動化控制

Continuousautomationcontrol自動化檢測

Automateddetection多段深度凈化

Multi-stagedeeppurification凈化的目的

Purposeofpurification硫酸鋅溶液凈化的目的

Purposeofzincsulfatesolutionpurification凈化產(chǎn)品

Purificationproducts萃取又稱液液萃取，是指兩個完全不互溶或部分互溶的液相接觸后，一個液相中的溶質(zhì)經(jīng)過物理或化學(xué)作用另一個液相，或在兩相中重新分配的過程。

Extraction,alsoknownasliquid-liquidextraction,referstotheprocessinwhich,aftertwocompletelyimmiscibleorpartiallymiscibleliquidphasescomeintocontactwitheachother,thesoluteinoneliquidphasetransferstotheotherliquidphaseunderphysicalorchemicalinteractions,orthesolutegetsredistributedinthetwophases.

一段

SectionI二段

SectionII三段

SectionIII四段

SectionIV作業(yè)方式

Operationmethod間斷作業(yè)

Intermittentoperation連續(xù)作業(yè)

Continuousoperation凈化流程

Purificationprocess凈化的目的

Purposeofpurification硫酸鋅溶液凈化的目的

Purposeofzincsulfatesolutionpurification凈化產(chǎn)品

Purificationproducts萃取又稱液液萃取，是指兩個完全不互溶或部分互溶的液相接觸后，一個液相中的溶質(zhì)經(jīng)過物理或化學(xué)作用另一個液相，或在兩相中重新分配的過程。

Extraction,alsoknownasliquid-liquidextraction,referstotheprocessinwhich,aftertwocompletelyimmiscibleorpartiallymiscibleliquidphasescomeintocontactwitheachother,thesoluteinoneliquidphasetransferstotheotherliquidphaseunderphysicalorchemicalinteractions,orthesolutegetsredistributedinthetwophases.

連續(xù)凈化的優(yōu)點：生產(chǎn)率高、易于實現(xiàn)自動化、操作控制要求較高。Advantagesofcontinuouspurification:highproductivity,easyautomation,andhighoperationcontrolrequirements.凈化的目的

Purposeofpurification硫酸鋅溶液凈化的目的

Purposeofzincsulfatesolutionpurification凈化產(chǎn)品

Purificationproducts加鋅粉置換除銅、鎘，在有其它添加劑存在時加鋅粉置換除鉆、鎳。Addzincpowdertoreplaceandremovecopperandcadmium,andaddzincpowdertoreplaceandremovediamondandnickelwhenotheradditivesarepresent.加特殊試劑（黃藥、β-萘酚）沉