Description
This powerpoint presentation outlines the concentrate management process of zero liquid discharge (ZLD). Topics outlined include: established ZLD technologies; energy required for water phase changes; energy required for desalination; evaporation ponds can be expensive; technical approach; sparingly soluble salts; processes evaluated for concentrate treatment; summary of precipitation; effect of seeding; Fluidized Bed Crystallizer (Crystalactor); advantages of crystallization; water sources tested; research approach; Fluidized Bed Crystallizer vs. ChemicalSoftening; Barium was removed in proportion to calciumremoval; high pH required for silica removal; Silica removed with precipitation of Mg(OH)<sub>2</sub>; Silica effectively removed with alum orsodium aluminate; comparison of costs and energy consumption; treatment cost $/kgal concentrate recovered; energy reduction; and, comparison of energy consumption byprocess.
Product Details
- Edition:
- Vol. – No.
- Published:
- 06/01/2007
- Number of Pages:
- 34
- File Size:
- 1 file , 2.8 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
