Recovery and Refining

Recovery and Refining

Recovery and Refining concept image

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
    Printed wiring boards
  • Ceramic package
    Ceramic package
  • Lead frame
    Lead frame
  • Jewelry
    Jewelry
  • Waste plating solution
    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.

Sputtering equipment at our plant
Sputtering equipment
at our plant

Gold target
Gold target

Flowchart of Recovering and Refining Precious Metals

Flowchart of Recovering and Refining Precious Metals