Four Levels of Clean, Low cost, Forgotten Water Technologies for... Four Levels of Clean, Low cost, Forgotten Water.. | Page 11

•
1‘Crystallization: continued 2
• b-Fluidized Bed Crystallization(FBC)/Pellet Reactor: Crystallized pellets of various
minerals/heavy metal etc are recovered or reused(eg Calcium Carbonate:
CaCO 3 [Calcite] etc) at drinking water or wastewater processing. This method often
involves chemical dosage but non-chemical cleantech option exists.
• WM Accepted effect: A(Scale prevention in water pipe), By water softening effect
combined with resource recovery: fine sand/silica/calcium on a fluidized bed
become nucleus for inorganic material to continue crystallizing to pellet size for
recovery & utilization, Substantial installation in Netherlands but in most other
hardwater countries especially Americas it remains underused or not used at all.
Deployed at small to large drinking water treatment facilities(Hydro-Elektrik GmbH,
Veolia Actina, Reststoffenunie Waterleidingbedrijven BV, Symphonic water
solutions+): cleantech option is non injection of low impact chemical(Caustic soda
NaOH, Lime CaOH 2 ) to raise pH for enhanced crystallization. Lime pellets recovered
are used for fertilizer/steel/cement/construction industry application.
• New calcite nucleus(not sand) pellet growth for higher quality lime for increased
return(Waternet nl+),
linkedin.com/in/newnatureparadigm - Ben Rusuisiak: Specialty Cleantech Analysis, Vancouver,
11