DEVICE FOR SORPTION PURIFICATION OF DRINKABLE MINERAL WATERS Russian patent published in 2003 - IPC

FIELD: technology of treatment of drinkable mineral waters, particularly, purification of underground mineral waters from natural impurities of harmful organic substances (phenols, aromatic hydrocarbons, oil products and other impurities) without changing the salt composition and healing properties of these waters, and may be applicable in purification of bulneologic mineral waters of external use for their conversion into drinkable ones useful for treatment purposes in internal use at places of their occurrence and for commercial bottling. SUBSTANCE: device has sand prefilter connected with cylindrical sorption column from corrosion-resistant material. Column has lower and upper filters with load-carrying grates, discharge hatch at level of lower filter and charging hatch in removable convex cover. Located between upper and lower filters is carbon granulated sorbent. Column is connected with postfilter. Upper filter with load-carrying grate is hermetically secured above level of carbon sorbent concentrically to internal surface of column with gap under formed circular filter. Gap is sufficient for passage of filtered water at preset its flow rate and connected to column outlet pipe. EFFECT: provided easy charging and final charging of sorbent, large filtering area, excluded sorbent getting through from column. 3 cl, 2 dwg