JPS63243229A - Method for recovering platinum group element from platinum group-containing metal - Google Patents
Method for recovering platinum group element from platinum group-containing metalInfo
- Publication number
- JPS63243229A JPS63243229A JP62079039A JP7903987A JPS63243229A JP S63243229 A JPS63243229 A JP S63243229A JP 62079039 A JP62079039 A JP 62079039A JP 7903987 A JP7903987 A JP 7903987A JP S63243229 A JPS63243229 A JP S63243229A
- Authority
- JP
- Japan
- Prior art keywords
- platinum group
- vessel
- containing metal
- coke
- recovering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明の方法は、白金族含有合金の塩化物化反応と、白
金族塩化物の捕集部における熱解離反応とを行うことに
よる白金族含有合金からの白金族元素回収方法に係るも
のである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The method of the present invention is a method for converting a platinum group-containing alloy into a platinum group-containing alloy by performing a chloride reaction of the platinum group-containing alloy and a thermal dissociation reaction in a platinum group chloride collecting section. This invention relates to a method for recovering platinum group elements from alloys.
（従来の技術とその問題点）
従来よりＰ ｔ Ｃｕ ＳＰ ｔ Ｆ ｅ −、Ｐ
ｔ Ｎ Ｉ ％Ｐｄ−Ｎｉ等の白金族含有合金は、
工業用材料、装飾関係に大量に使用されている。(Conventional technology and its problems) Conventionally, P t Cu SP t Fe −, P
Platinum group-containing alloys such as tN I %Pd-Ni are
It is used in large quantities for industrial materials and decoration.
これら白金族元素は、いずれも高価であり、かつ資源的
に制約されているため、これら白金族元素を分離回収す
ることは、工業上重要である。Since all of these platinum group elements are expensive and resource-constrained, it is industrially important to separate and recover these platinum group elements.
従来の方法としては、塩酸溶解法、王水溶解法等がある
が、これらの方法は、溶解工程に長時間の処理を要する
ばかりでなく、溶解後も多大の労力と設備を要するとい
う欠点がある。Conventional methods include the hydrochloric acid dissolution method and the aqua regia dissolution method, but these methods not only require a long dissolution process but also require a great deal of labor and equipment after dissolution. .
（発明の目的）
本発明は、畝上の事情に鑑みなされたもので、その目的
は白金族含有合金から白金族元素を簡便かつ効率良（分
離する方法を提供することにある。(Objective of the Invention) The present invention was made in view of the circumstances surrounding ridges, and its object is to provide a method for easily and efficiently (separating) platinum group elements from a platinum group-containing alloy.
（発明の構成）
本発明は、白金族元素を分離回収する方法において・白
金族含有金属の塩化反応部分と、捕集部とを直列に配置
し、白金族含有金属を加熱しながら白金族含有金属側よ
り、塩素ガスまたは塩素ガスと一酸化炭素の混合ガスを
流して処理することにより、白金族含有金属を塩化物に
変え、反応部よりも高温の捕集部において、白金族塩化
物のみを熱解離させ、メタルとして捕集する。(Structure of the Invention) The present invention provides a method for separating and recovering platinum group elements, in which a chlorination reaction part of a platinum group-containing metal and a collection part are arranged in series, and while heating the platinum group metal, By processing by flowing chlorine gas or a mixed gas of chlorine gas and carbon monoxide from the metal side, platinum group-containing metals are converted to chlorides, and only platinum group chlorides are collected in the collection section, which is at a higher temperature than the reaction section. is thermally dissociated and collected as metal.
一般的に使用される白金族以外の塩化物は容易に解離せ
ず、気体相として捕集物を通過する。Commonly used chlorides other than the platinum group do not dissociate easily and pass through the collection as a gas phase.
反応部の温度は、１５０℃以上で行うのが好ましい。The temperature of the reaction section is preferably 150°C or higher.
これより低い温度では、塩素化に長時間を要したり、塩
素化が完全に行われないことがあるとともに反応により
生成した塩化物を気体相として移動するこことが難しい
為である。This is because, at a temperature lower than this, chlorination may take a long time or may not be completed completely, and it is difficult to transfer the chloride produced by the reaction as a gas phase.
一酸化炭素を添加する必要性は、白金族含有合金の表面
が酸化している場合などは、塩化反応が進行しにくいか
、しなくなる為、還元性ガスが必要となる為である一方
、Ｃ１２とＣＯによりＣＯＣ１ｚを生成し、より塩化力
が強くなる効果が期待できる。The need to add carbon monoxide is because when the surface of a platinum group-containing alloy is oxidized, the chlorination reaction is difficult to proceed or does not occur, and a reducing gas is required. COC1z is produced by CO and CO, and the effect of increasing the chloridizing power can be expected.
（実施例１）
図に示す如（Ｐｔ−Ｃｕ１０％の薄板１をＬｏｇ入れた
ボート２を入れ塩化物化容器３中に入れ、電気炉４によ
り塩化物化容器３を７００℃加熱し、塩素ガスを塩素ガ
ス導入管５よりＩＡ／ｍｉｎ流した。(Example 1) As shown in the figure, a boat 2 containing 10% Pt-Cu thin plate 1 is placed in a chloride container 3, and the chloride container 3 is heated to 700°C with an electric furnace 4, and chlorine gas is A flow rate of IA/min was supplied from the chlorine gas introduction pipe 5.
捕集部６にコークス７をつめ１１００℃に加熱した。The coke 7 was packed in the collection section 6 and heated to 1100°C.
これを３ ｈｒｓ続げた後、Ａｒでパージし捕集部コー
クスを取り出し、コークスを酸化させる方法で付着した
ものを取り出し分析したところ、９９．９の白金であっ
た。After this continued for 3 hrs, the coke was removed from the collection section by purging with Ar, and the adhering material was taken out by a method of oxidizing the coke and analyzed, and it was found to be 99.9 platinum.
（実施例２）
図に示す如（ｐｄ−Ｎｉ４０％の薄板１′を１０ｇ入れ
たボート２を塩化物化容器３の中に入れ、電気炉４によ
り塩化物化容器３を７００℃に加熱し塩素ガスを塩素ガ
ス導入管５よりＩｌ／ｍｉｎ流した。(Example 2) As shown in the figure (a boat 2 containing 10 g of pd-Ni 40% thin plate 1' was placed in a chloride container 3, the chloride container 3 was heated to 700°C with an electric furnace 4, and chlorine gas was was flowed through the chlorine gas introduction pipe 5 at a rate of Il/min.
捕集部６にシリカビーズ８をつめ、１１００℃に加熱し
た。The collection section 6 was filled with silica beads 8 and heated to 1100°C.
これを３ｈｒｓＶｔけた後、Ａｒでパージし、捕集部の
シリカビーズを取り出し表面に付着したものを取り分析
したところ、９９．９％のＰｄであった・（従来例）
ｐｔ−Ｃｕ１０％の頂板Ｌｏｇを王水溶解し、塩化アン
モンにより白金アンモニウム錯体で沈殿させ、濾過後、
焼成により白金粉末とした。After this was heated to 3hrsVt, it was purged with Ar, and the silica beads in the collection section were taken out and those attached to the surface were analyzed and found to be 99.9% Pd. (Conventional example) PT-Cu 10% top plate Log was dissolved in aqua regia, precipitated with platinum ammonium complex using ammonium chloride, and after filtration,
It was made into platinum powder by firing.
回収された白金は９９．９％であったが、純度を上げる
ため、沈殿ミ濾過をくり返しす°ることや、洗浄に手数
がかかる等の問題があった。Although 99.9% of platinum was recovered, there were problems such as repeated precipitation and filtration in order to increase the purity and time-consuming cleaning.
（発明の効果）
以上詳述のように、本発明によれば、従来例に比し効率
良く白金族を分離回収することが出来、従来のように沈
殿濾過の手間や洗浄を必要としないため、経済的にしか
も簡便に回収することが出来るという効果がある。(Effects of the Invention) As described in detail above, according to the present invention, platinum group metals can be separated and recovered more efficiently than in the conventional method, and the trouble of sediment filtration and washing are not required as in the conventional method. This has the effect of being economically and easily recoverable.
図面は、本発明の白金族元素回収方法に用いる回収装置
の概略図である。
出願人 田中貴金属工業株式会社
図面の浄ｖド
ア・・・ コークス
８・・・ シリ〃ヒース゛
手 続 補 正 □書 （方式）
■、事件の表示
昭和６２年特許願第７９０３９号
２゜発明の名称
白金族含有金属からの白金族元素の回収方法３、補正を
する者
昭和６２年６月３０日
５、補正の対象
明細書の図面の簡単な説明の欄及び図面６、補正の内容The drawing is a schematic diagram of a recovery device used in the platinum group element recovery method of the present invention. Applicant: Tanaka Kikinzoku Kogyo Co., Ltd. Drawing cleaning v door... Coke 8... Series heath procedure Amendment □ (Method) ■, Indication of the case 1985 Patent Application No. 79039 2゜ Title of the invention Method for recovering platinum group elements from platinum group-containing metals 3. Person making the amendment June 30, 1988 5. Brief description of drawings and drawings in the specification subject to amendment 6. Contents of the amendment
Claims (4)
置し、白金族含有金属を加熱しながら、次いで白金族含
有金属側より、塩素ガスまたは塩素ガスと一酸化炭素の
混合ガスを流して処理することを特徴とする白金族含有
金属からの白金族元素の回収方法。(1) Platinum group-containing metal reaction part and collection part are arranged in series, and while heating the platinum group-containing metal, chlorine gas or a mixture of chlorine gas and carbon monoxide is supplied from the platinum group-containing metal side. 1. A method for recovering platinum group elements from platinum group-containing metals.
特許請求の範囲の第１項記載の方法。(2) The method according to claim 1, wherein the heating temperature is 150°C or higher.
を特徴とする特許請求の範囲、第１項又は第２項記載の
方法。(3) The method according to claim 1 or 2, wherein the temperature of the collection section is higher than the heating temperature of the reaction section.
い材質であることを特徴とする特許請求の範囲第１項又
は第２項又は第３項記載の方法。(4) The method according to claim 1, 2, or 3, wherein the material filled in the collection section is a material that does not easily react with chlorine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62079039A JPS63243229A (en) | 1987-03-31 | 1987-03-31 | Method for recovering platinum group element from platinum group-containing metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62079039A JPS63243229A (en) | 1987-03-31 | 1987-03-31 | Method for recovering platinum group element from platinum group-containing metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63243229A true JPS63243229A (en) | 1988-10-11 |
Family
ID=13678775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62079039A Pending JPS63243229A (en) | 1987-03-31 | 1987-03-31 | Method for recovering platinum group element from platinum group-containing metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63243229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02301528A (en) * | 1989-05-17 | 1990-12-13 | Tanaka Kikinzoku Kogyo Kk | Recovering method for platinum group |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5062810A (en) * | 1973-07-26 | 1975-05-29 | ||
| JPS5087920A (en) * | 1973-12-08 | 1975-07-15 |
-
1987
- 1987-03-31 JP JP62079039A patent/JPS63243229A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5062810A (en) * | 1973-07-26 | 1975-05-29 | ||
| JPS5087920A (en) * | 1973-12-08 | 1975-07-15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02301528A (en) * | 1989-05-17 | 1990-12-13 | Tanaka Kikinzoku Kogyo Kk | Recovering method for platinum group |
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