Recovery and Refining

What is "Recovery and Refining"?
This is an integrated precious metal recycling system that manages everything from the collection of precious metal-containing scrap to refining and remanufacturing. High-purity precious metals such as gold, platinum, and palladium are recovered from solid and liquid waste materials through advanced pre-treatment, precise analysis, and both hydrometallurgical and pyrometallurgical refining technologies. LBMA and LPPM certification ensures globally reliable quality standards and high recovery yield, while contributing to environmental impact reduction through the effective reuse of urban mine resources.
Based on “Reliability,” “Confidence,” and “Technology,” we offer an optimal one-stop recycling system for precious metals, covering the collection of precious metal–bearing scrap, recovery and refining, and remanufacturing.
TANAKA efficiently recycles precious metals—rare and valuable resources—to contribute to the development of a sustainable society.
Features
- High extraction technology and accurate evaluation
- Flexible settlement methods, including "purchase," "return of bullion," and "return of precious metal products"
- Maintaining confidentiality regarding collected items
- Pre-processing technology and processing equipment t capable of handling a wide range of scrap forms.
- Precious metal separation technology and precision cleaning technology from sputtering and vapor deposition equipment
- Provision of precious metal recovery equipment (electrolysis equipment, ion exchange resin equipment, activated carbon filters, etc.)
Certifications
- Certified as a “Good Delivery Referee” by the London Bullion Market Association (LBMA)
- Certified as a “Good Delivery Referee” by the London Platinum and Palladium Market (LPPM)
- Certified melter of gold (the first in Japan) and silver at the London market
- Good delivery bar in platinum and palladium by the LPPM
- Recognized as a “Good Delivery” brand for gold bullion by the New York Commodity Exchange, Inc (COMEX)
- Certified melter of platinum and palladium by the New York Mercantile Exchange (NYMEX)
- ISO9001, 14001, and OHSAS18000 certified
Types of Precious Metal Recovery

Solid Recovery
Recovery from scrap containing precious metals
- Used Target
- Printed circuit board
- I Cs
- Ceramic package
- Spent catalyst
- Scrap from ornament processing
- Used paste etc...
Liquid Collection
Recovery from waste liquid containing precious metals
- Plating waste solution
- Other liquids containing precious metals
Equipment Sales
Precious Metals Recovery System
- RECOVER CELL
- EAGLE-RE
- EAGLE-AC





Precision Cleaning of Jigs with attached Precious Metals and Recovery and Refining of Precious Metals
- We provide precision cleaning technology that accurately evaluates precious metals adhering to the surfaces of sputtering equipment, evaporation equipment, etc.
- Thin-film removal technology using our proprietary chemical solution that minimizes damage to the jigs
- Precious metal evaluation assured with trustworthy analytical technology.
- The precious metals recovered from the jigs are effectively used as materials for thin-film formation such as targets or vapor deposition materials.
Overview of Precision Cleaning and Precious Metal Evaluation Process
![[Process Flow for Precision Cleaning and Precious Metal Evaluation]Precious metal-containing solutions and metal films after filtration are homogenized using high-level pretreatment technology.](https://data.wovn.io/ImageValue/production/688b3c307ffdea2de8055986/en/3b661b1933a5f8713127bb7fb221d42e/wp_content_uploads_sites_images_ex_en_products_images_g01_img_block02_01.jpg)
at our factory
Flowchart of Recovering and Refining Precious Metals

Related Information
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