527 Figure 5 – Integrated flowsheet: GlassLock processing plant In cases where arsenic is dissolved in a liquid, precipitation steps are performed to first reduce the acid concentration, as shown in Figure 6, and then to precipitate the arsenic, as shown in Figure 7. After precipitation, the resulting product, like the solid forms, is introduced into the GlassLock process to produce an inert, non-leachable glass, as illustrated in Figure 8. FILTER PRESS GYPSUM AGITATED TANK FILTRATE COMPRESSED AIR ARSENIC SCRUBBER BLOWDOWN CaOH2 OFFLOAD TRUCK WEIGHING BIN HOLDING TANK COMPRESSED AIR TO As PRECIPITATION CIRCUIT ARSENIC FROM ACID REGENERATION CIRCUIT
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