CM-PATRACritical Minerals Patent and Technology Research Analytics

CM-PATRA / record

Hydrometallurgical process for the recovery of tellurium from high lead bearing copper refinery anode slime

Filed / published / granted
2014-08-19 / 2015-02-26 / 2017-04-25
Offices
US
Applicants
CSIR (Council of Scientific & Industrial Research) (IN, government-rd)
Minerals
Aluminium (not on list), Copper, Selenium / Tellurium, Zinc / Lead (not on list)
Stages
Hydrometallurgy (leaching, solvent extraction), Electrochemical recovery, Recycling / secondary sources
Waste stream
Slag, dross and smelter residues
CPC
C22B3/08, C25C3/34, C25C5/02, C22B7/007, C22B3/04
Abstract (first 170 chars)
A hydrometallurgical process is provided for the recovery of tellurium as elemental tellurium powder from copper refinery anode slime containing high amount of lead. The

Funded projects that may be related

  • Recovery of Selenium, Tellurium and Copper from Processed Anode Slimes Cake of copper refineries · SNTMOM/1353/2024 · mineral: Copper, Selenium / Tellurium; waste stream: Slag, dross and smelter residues; title words: anode, slime, refinery
  • Enhanced selective recovery of selenium and tellurium from copper anode slime using secondary mineral waste · SNTMOM/970/2023 · mineral: Copper, Selenium / Tellurium; waste stream: Slag, dross and smelter residues; title words: anode, slime
  • Recovery of metallic values from the discarded copper slag · SNTMOM/564/2021 · mineral: Copper; waste stream: Slag, dross and smelter residues

Candidate link: the patent family and the R&D project name at least one India-list mineral in common, and they also share a waste stream or at least two content words in their English titles (mineral names and common words such as process, method, recovery are ignored). Up to five best matches are shown per project. Links are computed by rule, not confirmed with the project team or the applicant.

Why it is labelled this way

Decided by cpc-rules: Matched aluminium, copper, selenium-tellurium, zinc-lead by CPC and text.

Source: Google Patents Public Data (BigQuery), CC BY 4.0.