India's copper demand grows ~12% a year while domestic mines average roughly 0.8% Cu. That grade gap is exactly the problem pre-concentration was built for.
Legacy copper districts — Malanjkhand, the Khetri belt — run grades that make conventional whole-ore milling marginal. Rajasthan hosts world-class lead-zinc (Rampura Agucha, Zawar), Andhra Pradesh the Mangampet barite deposit, Gujarat carbonatite-hosted fluorite. Across all of them the story repeats: large tonnage, modest grade, rising energy cost.
Rejecting 30–50% of barren mass before the mill cuts operating cost per tonne of metal by 40% or more and effectively expands mill capacity without new grinding lines. Our 0.20% Cu campaign (94.7% recovery, 38% rejected) is the direct template for Indian copper; the lead-zinc case (both metals >98% recovery) maps to Rajasthan-type ores; XRT dry sorting suits water-constrained sites in Rajasthan and Andhra.
The John Finlay group operates in India through John Finlay India, with dry-sorting and coal-washery delivery experience — enquiries in India run through WhatsApp +91 74348 81177, with test work coordinated at the Hefei laboratory (results within 24 hours of sample receipt).
Send ~1 tonne of representative ore — washability results within 24 hours of sample receipt.
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