摘要:
A system for nitrate removal from water combining: an ion exchange unit comprising at least one column of an ion exchange resin, a brine bioregeneration circuit comprising a sequential batch reactor (SBR), and an ozonation unit, is disclosed. A method for nitrate removal from water is further disclosed.
摘要:
The present invention relates to a process for the selective removal of nitrates from ground water using a hybrid nanofiltration (NF)—reverse osmosis (RO) filtration system. The process generates product water that is low in nitrate and can be used for drinking, irrigation and other purposes, as well as waste water that is relatively low in salinity and can be safely discarded to sewage systems and recycled, e.g., for irrigation purposes.
摘要:
A method of attaching a cell or a membrane-coated particle-of-interest to a microtube is provided. The method comprising: co-electrospinning two polymeric solutions through co-axial capillaries, wherein a first polymeric solution of the two polymeric solutions is for forming a shell of the microtube and a second polymeric solution of the two polymeric solutions is for forming a coat over an internal surface of the shell, the first polymeric solution is selected solidifying faster than the second polymeric solution and a solvent of the second polymeric solution is selected incapable of dissolving the first polymeric solution and wherein the second polymeric solution comprises the cell or the membrane-coated particle-of-interest, thereby attaching the cell or the membrane-coated particle-of-interest to the microtube. Also provided are microtubes with attached, entrapped or encapsulated cells or membrane-coated particles and methods of using same.