Production structure
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Raw material acceptance and cutting section
Departments:
- Raw material acceptance
- Crushing and separation
- Desulphurization of lead paste and electrolyte utilization
- Sodium sulfate production
- Purification of gaseous emissions
Technological processes:
- Crushing OSKAB to a fraction of 50–80 mm, separation into metal, polypropylene and waste
- Desulphurization of paste to obtain sodium sulfate
- Purification and crystallization of Na₂SO₄ solution
- Wet gas cleaning in a scrubber
Processed products:
- Desulphurized paste
- Metallic fraction of lead
- Polypropylene
- Crystalline sodium sulphate
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Section of lead smelting and refining
Departments:
- Smelting (rotary furnaces, charge preparation)
- Refining (KT-810a/b/c/d/e boilers)
Technological processes:
- Smelting of lead products in rotary furnaces
- Multi-stage refining (removal of Cu, Sn, As, Sb, Ag, Zn, Bi)
Equipment:
- Aspiration systems and gas cleaning (CCGT)
- Refining boilers (260 t and 50 t)
Products:
- Rough and refined lead
- Recycled materials (skimmings, slip, drosses)
Enterprise products
- Refined lead (GOST 3778-98, BS EN 12659:1999)
- Lead-antimony alloys (GOST 1299-81)
- Other lead-based alloys
- Recycled polypropylene
- Crystalline sodium sulfate