200823320 九、發明說明： 【發明所屬之技術領域】 本發明係有關於一種含貴金屬物質的再利用系統以及方法，特 別是有關於一種含貴金屬廢棄物的再利用系統以及方法。 【先前技術】 電子資訊產業之蓬勃發展，使得汰舊換新之電子資訊廢棄物暴增200823320 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a recycling system and method for a precious metal-containing material, and more particularly to a recycling system and method for a precious metal-containing waste. [Prior Art] The booming development of the electronic information industry has led to a surge in electronic information waste
(製造廠之呆滯料、不良品、下腳料亦然），然而此些電子資訊產品(如 各類電腦之主機、監視器、印表機、鍵盤等週邊產品及行動電話等) 之控制線路及基板職‘畴份，尤其是按鍵關、各式on_off零 件等，為確保零件之秋、穩定性其接點多為銀(Ag)、白金(麵pt)、 把金㈣）、黃金(Au)等貴金屬，因此善加處理此些廢棄物，不但可減 少環境負擔’再顧其上所含之貴金屬，亦得到可觀的價值回收。(The manufacturer's stagnant materials, defective products, and scraps are also the same), however, the control lines of such electronic information products (such as various computer mainframes, monitors, printers, keyboards, and other peripheral products and mobile phones) The substrate's domain, especially the key off, various on_off parts, etc., in order to ensure the autumn and stability of the parts, the contacts are mostly silver (Ag), platinum (face pt), gold (four)), gold (Au) Such as precious metals, so the treatment of these wastes, not only can reduce the environmental burden, and then take into account the precious metals contained in it, but also get considerable value recovery.
一般的電子廢料再利用流程，如第’ 圖所示，包含以下步驟：步 驟102收集電路板、電線、廢pC板、 電子零組件等電子廢料 1〇4以人工以及零組件拆卸機具進行拆解分 的零組件回收；步驟108回收含貴金屬；步 步驟 類；步驟106將單一材質 驟110再將剩餘含銅pc 板等零組件送入粉碎、分選處理程序。 步驟鄕的貴金屬回收步驟中，如製程如第2圖所示，步驟 啦在-溶解槽將鍍貴金屬層先以剝離_離溶解，直到該剝離劑中 5 200823320 .対修的貴金麟子後；_ 204祕含有姊的責金屬離子的 剝離劑移出該溶解槽’通常是盛裝於一容器中置放，再將容器中的剝 離劑倒入—電解槽中，如步驟206所示，以電解析出貴金屬。 然而，習用的貴金屬回收方法，有以下缺點·· 1·耗時，步驟202 的剝離步驟需要耗費數天，始能使剝離劑充分飽和，另外步驟2〇6 的電解析出步驟也要耗費數天；2耗人力，步驟2〇4需要以人力將 ❿ 轉槽中的含有飽和的貴金屬離子的剝離劑移出該溶解槽，再盛裝於 一谷器中置放’再將容器中的剝離劑倒人電解槽中進行步驟 浪費剝離劑，在習用的方法中，剝離劑只能只用到飽和為止，移出溶 解槽之後就難簡顺彻，―般最㈣賴離劑是高毒性的氮化卸 溶液，若是不能重複使用，不但成本高昂，對環境也有很大傷害。 【發明内容】 _ 級前述制貴金屬回收方法所具有之高成本耗費以及環境污 染缺點，本發明遂提供一種含貴金屬物質再利用系統以及方法。 本發明之責金屬物質再利用系統與方法，係使含貴金屬物質置於 溶解槽’並浸泡於一剝離劑中，藉此將貴金屬游離成離子態並溶解於 該剝離劑中;將溶有責金屬離子之剝離劑從該溶解槽經第一管路導至 一電解槽中；在電解槽中進行電解反應，使貴金屬析出沉積於電極 上’將電解槽中的剝離劑經第二管路導至溶解槽中，並利用氧化氣體 200823320 活化”靖離劑，使剝_彳可重複使用。 ^ ㈤在於提供-無鎌運且省時的貴金屬物質再利 :、· 係彻輯管路錢__觸與電解槽間連 流通。 、 本發明之另—目的在於提供—可重複_之金屬物質再利用系 統以及方法’係含氧氣體活化剝_，使其可重複利用。The general electronic waste recycling process, as shown in the figure, includes the following steps: Step 102: collecting electronic waste materials such as circuit boards, wires, waste pC boards, and electronic components, and disassembling them by manual and component disassembly tools. The fractional component is recovered; the step 108 recovers the precious metal-containing step; the step step class; the step 106 sends a single material step 110 to the remaining copper-containing pc board and the like to the pulverizing and sorting processing program. In the precious metal recovery step of the step ,, if the process is as shown in FIG. 2, the step of dissolving the precious metal layer in the dissolving tank is firstly stripped and dissociated until the stripping agent is in the middle of the strip. 5 200823320. ; _ 204 secret containing metal ions of the stripping agent removed from the dissolution tank 'usually placed in a container placed, and then the stripping agent in the container into the electrolysis tank, as shown in step 206, to electricity Analyze the precious metal. However, the conventional precious metal recovery method has the following disadvantages: 1. Time consuming, the stripping step of step 202 takes several days, and the stripping agent can be sufficiently saturated, and the electric resolution step of step 2〇6 is also consumed. Day; 2 manpower, step 2〇4 needs to manually remove the stripping agent containing saturated precious metal ions in the sump from the dissolving tank, and then put it in a hopper and place it again, then pour the stripping agent in the container In the human electrolytic cell, the step is to waste the stripping agent. In the conventional method, the stripping agent can only be used until saturation, and it is difficult to be smooth after removing the dissolving tank. The most (4) lysing agent is a highly toxic nitriding solution. If it can not be reused, it is not only costly, but also harmful to the environment. SUMMARY OF THE INVENTION The present invention provides a system and method for recycling a precious metal-containing material, which has the high cost and environmental pollution disadvantages of the above-described precious metal recovery method. The system and method for recycling metal materials according to the present invention is such that a precious metal-containing substance is placed in a dissolution tank and immersed in a stripping agent, thereby freeing the noble metal into an ionic state and dissolving in the stripping agent; The metal ion stripping agent is guided from the dissolution tank to the electrolytic tank through the first pipeline; the electrolytic reaction is performed in the electrolytic tank to deposit and deposit the precious metal on the electrode, and the stripping agent in the electrolytic tank is guided through the second pipeline. Into the dissolution tank, and use the oxidizing gas 200823320 to activate the "jinging agent, so that the peeling _ 彳 can be reused. ^ (5) is to provide - no smuggling and time-saving precious metal materials and then profit:, · Department of the pipeline money _ _ contact with the electrolytic cell. another, the object of the present invention is to provide - repeatable metal material recycling system and method 'oxygen gas activated stripping _, making it reusable.
本發明之再_目的在於提供—可降低環境成本之再利用系統以 及方法’係利用重覆利用之特性，使其剝離劑用量降低，減少環境傷 害0 【實施方式】 本發明提供—種含貴金屬物質再棚系統，請參見第4圖，該 系統包含一溶解槽402，一電解槽406以及一第一管路4〇4a以及一 • 第二管路404b使該溶解槽4〇2與該電解槽406連通。該溶解槽4〇2 係用以容納該含貴金屬物質，使含貴金屬㈣浸泡於—剝離劑中。該 電解槽406包含至少-電極(未示於圖中）。該溶解槽4〇2巾的剝離劑 可藉由該第一管路404a導到該電解槽406，該電解槽4〇6中的剝離 劑藉由該第二管路404b導入該溶解槽402，該剝離劑可連續地在該 溶解槽402以及該電解槽406之間流通。 本發明另提供一種含貴金屬物質再利用方法，如第3圖所示， 7 200823320 該方法包含：步驟302，利用剝離劑將含貴金屬物質上的貴金屬剝 離’使貴金屬游離成離子態溶解於剝離劑中；步驟3〇4a，將溶有貴 金屬離子的剝離劑從該溶解槽402中經由該第一管路404a導到該電 解槽406 ;步驟306，利用該電解槽406將貴金屬離子還原成貴金屬 元素’使貴金屬沉積於電極(未示於圖中)上；以及步驟3〇4b，將電解 槽406中的剝離劑藉由該第二管路4〇4b導入該溶解槽402。 # 本發明之特徵係提供一種新穎的系統以及方法，使得貴金屬回 收的製程可連續地進行貴金屬剝離以及貴金屬電解析出步驟，如此不 仁可節省剝離劑的運送時間與人力成本的耗費，使剝離與電解析出步 驟同步進行，還可大大增加回收的速率，比習用的製程解省時間。 本發明的另一特徵是將剝離劑不斷重複利用，使剝離劑的使用 里乂及排放里減至隶低。為達成此一目的，本發明特提供一氧化劑， _ 活化該剝離劑。根據本發明-較佳實施例，該氧化劑係為含氧的空 氣，或是氧氣。 一般電子廢料上的貴金屬回收，可包含金(Au)、銀(Ag)、鈀(pd) 或鉑(Pt)的回收，但是以金的回收為主。根據本發明一較佳實施例， 十’子&的回收如第5圖所示’係提供氰化钟剝離劑於該溶解槽502 中，且該氰化_離劑濃度介於4量百分比Q 5〜1%之間^將含金物 質520浸泡在該溶解槽5〇2中，使金金屬游離成離子狀態溶解於該 8 200823320 剝離劑中。再將溶有該金金屬離子之剝離劑經第一管路504a導至電 解槽506中。该電解槽506具有電極(未標示於圖中），在3-4伏特電 壓下，該金離子會還原成金元素’使金金屬沉積在該電極上。接著’ 電解槽506中之剝離劑係通過第二管路504b導至溶解槽502。第一 管路504a與第二管路504b與一泵508相連，使剝離劑可連續的在 溶解槽502與電解槽506中流動，其流速為？？。且設置一進氣機 510，使含氧氣體(如氧氣與空氣)通入溶解槽502，可活化剝離劑。 以上所述僅為本發明之較佳實施例而已，並非用以限定本發明之 申請專利酬；同相上的财，胁齡本技術賴之專門人士應 可明瞭及實施，此其他未脫縣發騎揭示之精神下所完成的等效 改變或修飾，均應包含在下述之申請專利範圍中。 200823320 【圖式簡單說明】 第1圖係為一習用之電子廢料再利用流程圖。 第2圖係為一習用貴金屬回收流程圖。 第3圖係本發明一較佳實施例之貴金屬物質再利用方法流程圖。 第4圖係本發明一較佳實施例之貴金屬物質再利用系統流程圖。 第5圖係本發明一較佳實施例之金金屬物質再利用流程圖。 【主要元件符號說明】 102 收集電路板、電線、廢PC板、電子零組件等電子廢 料 104 拆解分類 106 將單一材質回收 108 貴金屬回收 110 粉碎、分選處理程序 202 剝離貴金屬 204 搬運溶有貴金屬的飽和剝離液 206 電解析出貴金屬 302 剝離貴金屬 304a 將溶有貴金屬離子的剝離劑從溶解槽中經由第一管 路導到電解槽 200823320 304b 將電解槽中的剝離劑藉由該第二管路導入溶解槽 306 利用電解槽將貴金屬離子還原成貴金屬元素，並使貴 金屬沉積於電極 402 溶解槽 404a 第一管路 404b 第二管路 β m 406 電解槽 502 溶解槽 504a 第一管路 504b 第二管路 506 電解槽 508 泵 510 進氣機 520 含金物質 11A further object of the present invention is to provide a recycling system and method for reducing environmental costs, which utilizes the characteristics of repeated utilization to reduce the amount of the stripping agent and reduce environmental damage. [Embodiment] The present invention provides a precious metal-containing alloy. For the material re-shed system, please refer to FIG. 4, the system includes a dissolving tank 402, an electrolyzer 406 and a first line 4〇4a and a second line 404b to make the dissolving tank 4〇2 and the electrolysis The slots 406 are in communication. The dissolving tank 4〇2 is for accommodating the precious metal-containing substance to soak the precious metal-containing (tetra) in the stripping agent. The electrolytic cell 406 comprises at least an electrode (not shown). The stripping agent of the dissolving tank 4〇2 can be guided to the electrolyzer 406 by the first line 404a, and the stripping agent in the pot 4〇6 is introduced into the dissolving tank 402 by the second line 404b. The stripper can be continuously circulated between the dissolution tank 402 and the electrolytic tank 406. The invention further provides a method for recycling precious metal-containing materials, as shown in FIG. 3, 7 200823320. The method comprises: step 302, using a stripping agent to strip the noble metal on the noble metal-containing material, and dissolving the noble metal into an ionic state and dissolving the stripping agent. In step 3〇4a, the stripping agent in which the noble metal ions are dissolved is guided from the dissolving tank 402 to the electrolytic cell 406 via the first line 404a; and in step 306, the noble metal ions are reduced to the precious metal element by the electrolytic bath 406. 'The precious metal is deposited on the electrode (not shown); and in step 3〇4b, the stripper in the electrolytic cell 406 is introduced into the dissolution tank 402 through the second line 4〇4b. The features of the present invention provide a novel system and method for continuously performing precious metal stripping and precious metal electrolysis steps in a noble metal recovery process, which can save the transportation time and labor cost of the stripper, and cause stripping and The electrical resolution steps are performed simultaneously, which also greatly increases the rate of recovery, which saves time compared to conventional processes. Another feature of the present invention is the continuous reuse of the release agent to reduce the use and release of the release agent to a lower level. To achieve this object, the present invention provides an oxidizing agent to activate the stripping agent. According to a preferred embodiment of the invention, the oxidant is oxygen-containing air or oxygen. The recovery of precious metals on general electronic waste may include the recovery of gold (Au), silver (Ag), palladium (pd) or platinum (Pt), but mainly gold recovery. According to a preferred embodiment of the present invention, the recovery of the ten's &&> is provided as a cyanide bell stripper in the dissolution tank 502 as shown in Fig. 5, and the cyanide ionizer concentration is 4% by weight. Q 5~1% ^ The gold-containing substance 520 is immersed in the dissolution tank 5〇2, and the gold metal is dissolved in an ion state to be dissolved in the 8 200823320 stripper. The stripping agent in which the gold metal ions are dissolved is then conducted to the electrolytic bath 506 via the first line 504a. The cell 506 has an electrode (not shown) which is reduced to a gold element at a voltage of 3-4 volts to deposit gold metal on the electrode. The stripping agent in the electrolytic cell 506 is then passed through a second line 504b to a dissolution tank 502. The first line 504a and the second line 504b are connected to a pump 508 so that the stripper can continuously flow in the dissolution tank 502 and the electrolytic tank 506 at a flow rate of ? ? . An air inlet 510 is provided to allow an oxygen-containing gas (e.g., oxygen and air) to pass into the dissolution tank 502 to activate the stripper. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the patent application of the present invention; the financial assets of the same age, the technical personnel of the technology age should be clarified and implemented, and the other is not issued. Equivalent changes or modifications made by the spirit of the disclosure shall be included in the scope of the following patent application. 200823320 [Simple description of the diagram] Figure 1 is a flow chart of the reuse of electronic waste. Figure 2 is a flow chart for the recovery of a conventional precious metal. Figure 3 is a flow chart showing a method for recycling precious metal materials according to a preferred embodiment of the present invention. Figure 4 is a flow chart of a precious metal material recycling system in accordance with a preferred embodiment of the present invention. Figure 5 is a flow chart showing the reuse of gold metal materials in a preferred embodiment of the present invention. [Main component symbol description] 102 Collect electronic waste such as circuit board, wire, waste PC board, electronic components, etc. Dismantling classification 106 Recycling a single material 108 Recycling of precious metals 110 Smashing and sorting process 202 Stripping precious metal 204 Carrying precious metals The saturated stripping solution 206 electrically analyzes the precious metal 302 and strips the precious metal 304a. The stripping agent in which the noble metal ions are dissolved is guided from the dissolving tank through the first line to the electrolytic cell 200823320 304b. The stripping agent in the electrolytic bath is passed through the second line. The introduction of the dissolution tank 306 reduces the noble metal ions into noble metal elements by the electrolytic tank, and deposits the precious metal on the electrode 402. The dissolution tank 404a. The first line 404b, the second line β m 406, the electrolytic tank 502, the dissolution tank 504a, the first line 504b, the second Line 506 Electrolyzer 508 Pump 510 Intake 520 Gold-containing material 11