PENGOLAHAN EMAS DAN PENGENDALIAN PENCEMARAN Produksi Sumber Pencemaran Metoda Pengendalian TAMBANG EMAS MERKURI BULLION RETORT BIJIH PENGOLAHAN TAILING PENIMBUNAN SIANIDA AIR LIMBAH IPAL Note: Simplifikasi Model
Bijih hasil penambangan Bijih hasil penambangan DESLIMING Bijih hasil desliming PENGAYAKAN PENGGILINGAN AMALGAMASI Pemerasan dengan kain parasut PENGUAPAN PELEBURAN Uap air raksa Penanganan uap air raksa Air raksa cair Amalgam kering Tailing Slime Pengolahan Limbah Halus < 1,5 cm Kasar > 1,5 cm PEREMUKAN Amalgam Basah DESLIMING Bijih hasil desliming PENGAYAKAN PENGGILINGAN Konsentrasi gravitasi Tailing Slime Halus < 1,5 cm Kasar > 1,5 cm PEREMUKAN Konsentrat AMALGAMASI Pemerasan dengan kain parasut Amalgam kering Air raksa cair Uap air raksa PENGUAPAN Air raksa cair PELEBURAN Pengolahan Limbah Penanganan uap air raksa Dr. Ir. Arief Sudarsono, M.Sc
SOLUTION FOR MERCURY POLLUTION FROM SMALL SCALE GOLD MINING Remediation Processing Plants River & Estuary Sediment Systematic Solutions Individual Solutions Polluted Sites Mercury dispersed Contaminated Area Monitoring Bioaccumulation Occurs? Remove Soil & Landfill Grass Fruit Covering Dredging & Treatment Yes No Fish Hair Re suspension of sediment Change of food habit Education (school) Processing Controls Association Certification of Processing Plants & Enforcement Permanent Education (pamphlets), etc Tailing Management Retorts Filtering Fume Hoods Reduction of Mercury Emission Biological Monitoring & Technical Assistance
ALAMA : As Low As Metallurgical Acceptable BAT : Best Available Technology