BASE METALS & CRITICAL MATERIALS PROCESSING

Recovering value
from complex materials.

Yekan Sang Tandis processes primary and secondary metal-bearing materials through hydrometallurgical and pyrometallurgical routes — recovering valuable metals and producing industrial compounds, intermediates and refined product forms.

01Primary minerals
02Secondary resources
03Spent batteries
HYDROMETALLURGYPYROMETALLURGYBASE METALSBATTERY MATERIAL RECOVERY

FEEDSTOCKS

Three material streams. One processing platform.

We work across mineral feedstocks, secondary resources and selected spent-battery streams, with the process route defined by composition, target recovery and required product form.

01

Tailings & Secondary Resources

Recovery of valuable and critical elements from mine tailings, process residues and selected secondary metal-bearing streams.

Mine and beneficiation tailingsProcess residues and filter cakesSelected metal-bearing industrial residues
View feedstock scope
02

Ores & Concentrates

Processing of base-metal ores, concentrates and mixed mineral feedstocks toward specified compounds, intermediates or metal products.

Manganese-bearing oresCopper / nickel-bearing concentratesZinc-bearing mineral feed
View feedstock scope
03

Spent Batteries & Battery Materials

Processing selected battery chemistries and battery-derived materials to recover zinc, manganese, nickel, lithium, cobalt-bearing and other valuable fractions.

Alkaline batteriesZinc-carbon batteriesLi-ion: NMC / NCA / LCO / LMO / LFP
View feedstock scope

PRODUCT FAMILIES

From zinc and copper to lithium-bearing products.

Commercial product forms span base-metal compounds, recovered metal products and critical-material intermediates. Exact specifications are confirmed per inquiry and batch.

01BASE METAL
Zn

Zinc Products

Zinc-bearing feedstocks and recovered zinc streams converted into industrial oxide, sulfate, carbonate and metal product forms.

Zinc Oxide (ZnO)Zinc Sulfate (ZnSO₄)Zinc Carbonate (ZnCO₃)
View product forms
02BASE METAL
Mn

Manganese Products

Manganese-bearing ores, battery-derived fractions and process streams converted into manganese compounds and industrial product forms.

Manganese Carbonate (MnCO₃)Manganese Sulfate (MnSO₄)Manganese Dioxide (MnO₂)
View product forms
03BASE METAL
Cu

Copper Products

Copper-bearing concentrates and secondary streams processed toward metal, sulfate, oxide and qualified intermediate forms.

Copper Metal / IngotCopper Sulfate (CuSO₄)Copper Oxide (CuO / Cu₂O)
View product forms
04BASE / BATTERY METAL
Ni

Nickel Products

Nickel-bearing mineral and battery-derived streams processed toward sulfate, oxide, metal-bearing intermediates and nickel–copper sulfide products.

Nickel Sulfate (NiSO₄)Nickel Oxide (NiO)Nickel Metal / Nickel-bearing Intermediate
View product forms
05CRITICAL MATERIAL
Li

Lithium Products

Lithium-bearing battery and secondary streams processed toward carbonate and qualified lithium-bearing intermediates.

Lithium Carbonate (Li₂CO₃)Lithium Hydroxide (route / specification dependent)Lithium-bearing Salts / Intermediates
View product forms
06INDUSTRIAL MINERAL
K

Potassium Products

Recovery and conversion of potassium-bearing process streams into industrial salts and selected product forms.

Potassium Sulfate (K₂SO₄)Potassium Carbonate (K₂CO₃)Potassium Hydroxide (KOH)
View product forms
07CRITICAL / SPECIALTY
C+

Critical & Specialty Materials

Targeted recovery of valuable, critical and rare elements from tailings, complex residues and battery-derived feedstocks.

Cobalt Sulfate / Cobalt-bearing IntermediatesCobalt OxidesMixed Ni–Co–Mn Intermediates
View product forms

PROCESSING TECHNOLOGY

Hydro and pyro routes, selected around the feedstock.

The processing platform combines hydrometallurgical and pyrometallurgical routes to separate, concentrate, convert and recover valuable components from diverse metal-bearing materials.

Learn more
H₂O / AQ

Hydrometallurgy

Leaching, solution purification, selective separation, precipitation, crystallization and metal recovery routes.

Δ / T°

Pyrometallurgy

Thermal conditioning, roasting, calcination, reduction and high-temperature conversion routes where technically appropriate.

QUALITY & CONTROL

Specification-led. Batch-specific. Documented.

Technical discussions are tied to the actual feedstock, target chemistry and approved analytical data. COA, test reports and supply specifications are linked to the relevant product or batch when available for release.

Learn more

RFQ / TECHNICAL INQUIRY

Have a material, residue or recovery target?

Send the feedstock or product requirement, quantity, destination and any available analysis. The inquiry is routed for technical and commercial review.