Recovery and Refining

Based on “Reliability,” “Confidence,” and “Technology,” we offer a one-stop recycling system for precious metals, from recovery and refining to 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 account settlement system, including purchasing, bullion return and recovery as precious metal products
- Strict confidentiality on recovered materials
- Preprocessing technology and processing equipment which are adapted for any form of scrap metal
- Precious metal separation technology and precision cleaning technology from sputtering equipment and vapor deposition equipment
- Provision of precious metal recovery equipment (electrolysis equipment, ion exchange resin equipment, activated carbon filter 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
metal containing precious metals
- Used targets
- Printed wiring boards
- ICs
- Ceramic package
- Used catalysts
- Scrap from ornament processing
- Used paste, etc.
Liquid recovery
Recovery from waste
liquid containing precious metals
- Waste plating solution
- Other liquids containing precious metals
Sales of equipment
Precious metal recovery
equipment
- RECOVER CELL
- EAGLE-RE
- EAGLE-AC
-
Printed wiring boards
-
Ceramic package
-
Lead frame
-
Jewelry
-
Waste plating solution
Precision Cleaning of Precious Metal Adhering to Jigs, and Precious Metal Recovery.
- We offer precision cleaning technology for reliable evaluation of precious metal adhering to the surface of sputtering or vapor equipment
- Thin-film removal technique using our proprietary chemical solvents designed to minimize damage to jigs
- Precious metal evaluation assured with trustworthy analytical technology.
- Recovered precious metals from jigs are effectively used as deposition ingredients such as targets or vapor deposition materials
Overview of Precision Cleaning and Precious Metal Evaluation Process
![[Explanatory diagram of Precision Cleaning and Precious Metal Evaluation Process] Solvents containing precious metals are filtered and preprocessed with our advanced pretreatment technique for the recycling of homogeneously distributed materials.](https://prod-cms-cache-bucket.s3-ap-northeast-1.amazonaws.com/wp-content/uploads/sites/images/ex/en/products/images/g01/img_block02_01.jpg)

Sputtering equipment
at our plant

Gold target
Flowchart of Recovering and Refining Precious Metals