The subject matter of the invention is a technological system for degassing water for consumption, which guarantees obtaining water with a pH increased to approx. 8.

There are generally known technological systems designed for bottling drinking water obtained from abyssal water intakes where, prior to being bottled or poured into other containers for commercial use, water is subject to filtration to remove any solid, liquid and gaseous impurities until it achieves safe parameters compliant with the standards admitting water to the market, and in addition water can also be subject to other processes, such as: deironing, demanganization upon aeration, as well as the processes of partial or complete removal of gases impermanently dissolved in water.

The purpose of the invention is to develop a technological system for effective CO2 removal from water and for blocking CO2 re-dissolution by means of water structuring using intense aeration under pressure, which results in permanent dissolution of oxygen in concentration ranging between 13 mg/I and 18 mg/I and pH value change to approximately 8.0.

The purpose of the invention has been achieved by the development of a technological system for degassing water for consumption, obtained from an abyssal well through a deep-well pump or from similar intakes, where water pretreated in a conventional water treatment station containing an aerator connected to a pump followed by a filter and a tank and a pump and a filter followed by at least one buffer tank for deironed water which is connected to a pump delivering water to a tank which is favourably equipped with an ozonization system, where there is a pump at the end of the tank which feeds water to a bottle washer, with the final stage being pouring water into washed out bottles that are then capped in a capper and delivered to a labelling machine from where, after being labelled and overprinted with a batch number and“best before” date, the bottles are moved, arranged properly and film wrapped in a shrink wrap machine, and then placed in cardboard boxes and on pallets, characterised in that it comprises an aerator connected to a pump followed by a filter and a tank, a pump and a filter followed by at least one buffer tank for deironed water which is connected to a pump delivering water to a tank which is favourably equipped with an ozonization system, where there is a pump at the end of the tank which feeds water to a bottle washer, and in addition the buffer tank for deironed water is connected to a water pressure degassing system comprising a pump and a tank for water before degassing fitted with a vent and a relief system, where the water tank is connected to an aeration pump with an air sterilizer connected to it and the aeration pump is connected to a parallel system comprising an inflow collector, flow meters, flow regulating valves, tanks with permanent magnets, relaxation pipes and an outflow collector which is connected to a tank for water after degassing followed by a pump and a fine filter from which water is fed into a bottling machine and known capping, labelling, shrink wrapping and palletizing machines. Water from the tank before degassing is sucked in by the pump maintaining the stable level inside the tank. Water and air are sucked in by the pump freely and compressed by the pump to higher pressures, preferably exceeding 5 bar. The inflow collector is connected to many parallel lines, preferably with five or six lines provided with the flow meters, the tanks with permanent magnets, the flow regulating valves and extended relaxation pipes connected to the outflow collector. Behind the outflow collector, there is a system for measuring water parameters together with an automatic valve guiding water to the tank for water before degassing or to the tank for water ready for bottling. The system is provided preferably with four interstage flow regulating valves. The relaxation pipes are minimum 10 m long. The system is designed for degassing water, irrespective of its mineralization, preferably within the range of 100 mg/I and 1000 mg/I of dissolved constituents.

The advantage of the technological system for degassing water for consumption is, beside CO2 removal from water and blocking CO2 re-dissolution, is the possible application of this solution to the aeration of breeding ponds and their degassing by lowering the freezing temperature as well as its application to cultivations sensitive to low temperatures.

The subject matter of the invention being the technological system for degassing water for consumption is shown in a drawing as a flow diagram.

As shown in the drawing, in the known processes in the water bottling plants, water is pumped by the pump PI from the water intake to the processing plant to the aerator i, where water is aerated while being fed by the pump P2 to the sand filter 2 which separates coagulated iron. After this treatment water is deironed and hydrogen sulphide has been removed from it, but water still contains dissolved carbon dioxide and oxygen. The reason for this is that it is done under atmospheric pressure conditions or under slight negative pressure induced by an exhaust fan in the aerator 1. After the sand filter 2, water flows into the tank 3. If the line is disinfected using ozone, water in the tank 3 becomes enriched with ozone through the nozzle 4 and the circulation pump P4, where the nozzle 4 is set at its full flow capacity, while the inflow of ozone is completely shut during the water production process. The pump P3 guides water to the sand filter 5 and then to two water tanks 6 and 7 after deironing, whereas the pump P5 pumps water into the tank 8 provided with the rinsing water ozonization system 25, where the circulation pump P6 and ozone inflow are set the their maximum capacity and water is being prepared for pumping by the pump P7 into the bottle washer 9.

The technological system for degassing water for consumption is designed for degassing water, irrespective of the level of its mineralization, preferably within the range of 100 mg/I and 1000 mg/I of dissolved constituents, with the task of putting water to further treatment intended to prepare water in such a manner that it is free from residual C0 ₂ and protected against CO2 re-dissolution being blocked by dissolved oxygen, guides water not containing ozone from the buffer tank 7 by means of the pump P8 to the tank 11. for water before degassing maintaining its level set automatically. The water tank ϋ is fitted with the vent 12. Water from the tank H for water before degassing is sucked in by the pump P9 which simultaneously sucks in, in a controlled manner, the air filtered and sterilized in the sterilizer 13, and the air dissolving under specific flow overpressure conditions partially displaces in water CO2 which is released by directing part of the stream through the bleed pipe 14 always open but with adjustable flow and through the relief pipe 26. Water from the inflow collector 27 flowing at the defined rate and pressure through the flow meter 15, the flow regulating valves 29, the tanks 16 with permanent magnets and the extended relaxation pipes 17 minimum 10 m long and the outflow collector 28 continues to be oxygenated with O2 displacing CO2. At this stage, the process is monitored by the measuring system 18 controlling the aeration parameter - within the range of 20 mg/I and 40 mg/I with pH ranging between 7.7 and 8.0 or higher, which indicates degassing quality. Oxygen dissolution in water is more intense during aeration under specific pressure conditions at the individual stages of the process and the volumes of the air mixing with water than the dissolution of other gases, such as nitrogen or CO2. Upon achieving set water parameters, water is guided to the tank 20 for water after degassing by the pump P10 through the 0,02 mΐh fine filter 21 , where undissolved gases are removed, simultaneously and automatically, through the vent.

After this production phase, water is delivered to the known bottling machine 10 - which is simultaneously supplied with bottles blown from premoulds in the blowing machine 22 - where water is poured into the bottles prewashed with water and ozone, which then are capped in the capper 19. After pouring water into the bottles/containers, the poured water level and the level of dissolved air and pH are checked. Capped bottles/containers are transported by a conveyor to the labelling machine 23 from where, after being labelled and overprinted with a batch number and “best before” date, they are moved and arranged and film wrapped in the shrink wrap machine 24, and then they are placed in cardboard boxes and on the pallets 30.