Template:SJTU-BioX-Shanghai/Figure/t6.3.2

	Seawater RO	Our project (bio-desalination)
Main Energy form	Mechanical (electrical) energy	Light (solar) energy
Energy cost(kWh/m^3)	2.5-7	N/A (estimated to be lower)
Pretreatment requirement	High	Low (The more nutrient it contains the better.)
Operating temperature (℃)	<45	<45
Product water quality (Remove racial of total dissolved solids)	95%-99%(single RO pass)	estimating 18%-20%(based on lab result)
Typical water recovery	35-50%	N/A (depend on separation efficiency)

Table 6.3.2 The comparison chart of RO membrane and Our project.