US700464A - Manufacture of sterilized carbonated waters. - Google Patents

Description

UNITED 4 STATES PATENTM'QFFICE.

THEODOR WEYL, OF O HARLOTTENB URG, NEAR BERLIN, GERMANY, AS- SIGNOR TO SIEMENS "& HALSKE, AKTIEN-GESELLSCHAFT, OF BERLIN,

GERMANY.

MANUFACTURE OF STERILIZED CARBONATED WATERS.

SPECIFICATION forming art of Letters Patent No. 700,464, dated May 20, 1902.

Application filed February 7, 1900. Serial No. 4,395. .(No specimens.)

' f ul Improvements in the Manufacture of Sterili'zed Carbonated Waters; and I do hereby deolare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to a process for manufacturing sterilized carbonated waters, lemon ades, and the like containing carbonic acid.

The invention consists in impregnating the waters with ozone, as well as with carbonic acid, in such a way that in the finished product both gases are present in quantities exceeding the amount which is normally retained in the water by absorption.

I have found by experimentnot only that the simultaneous presence of the two mentioned gases has a stronger sterilizing effect than any one of them employed singly, but

also that by applying them in such a way that after completing the process the closed bottle contains an excess of both gases a final sterili'zation takes place by which any organisms are killed which may be and practically always are introduced into the vessels containing the water in the act of filling the same.

My experiments have further shown me that it is not important which of; the two're agents, whether carbonic acid or ozone, is introduced into the Water first. However, 'if' water containing no carbonic acid is used If prefer, merely as a matter of convenience in manufacture, to introduce the ozone first and the carbonic acid afterward; but the 'same effect is obtained if the-order of treatment is reversed, and no difficulty is met within'applying the herein-described process to waters naturally containing carbonic acid.

The preferred means by which the excess of gas is introduced into the water and retained therein consist in applying a sufficient/ pressure during the treatment with ozone and likewise during the treatment with carbonic acid and taking care to preserve the pressure during the whole process, including the fillingofthe vessels intended for transport or sale of the finished product.

The process is performed as follows: The water containing carbonic-acid gas, which is obtained by impregnating water with carbonic acid subjected to pressure in the usual waythat is,ordinary artificial mineral wateris subjected to a treatment by introducing ozone, care being taken to preserve the pressure. This can either be done by allowing the ozone to pass through the mineral water after the same has been filled into the vessels intended for sale or in any other suitable vessel from usual way retain no traces of living organisms.

The product thus finished is transported and used in the ordinary way.

In the accompanying drawing I have illustrated in elevation, partlyin section, an apparatus whereby my process may be carried into efiect. v p

In the drawing,- V represents an apparatus forintroducing air under pressure, such as a blower, while 0 represents an ozone-generating apparatus which communicates with the blower V. From the ozone apparatus 0 the pipe'R leads into the pressure tank or vessel G, which vesselcontains the-water to be treated. The pipe S leads into the vessel G from the carbonic-acid apparatus K. The

pipes Rand s enter the. vessel G to a point below the water-level, as shown, and in the lid-D of the apparatus isarranged atube B, openingin the vessel Gabove the water-level. The vessel G may be rotated on the horizontal axis M N or the vertical axis P Q.

The water when completely aerated and treated according to my process may be let off through the cock H. A manometer E is arranged on the lid D of the vessel G.

The operation of this apparatus is as follows "After the water has been saturated with car= bonic acid by introducing the latter from the apparatus K through the tube S into the water air is forced through the ozone apparatus O and then will arrive in the pipe R in an ozonized condition and enter into the vessel G, Where it will be absorbed by the liquid containing carbonic acid. The gas which is not absorbed in the treatment of the liquid passes out through the pipe B. The saturated Water is drained through the cock I-I. While heretofore it has been impossible to force water to absorb ozone, I have succeeded in accomplishing the result by treating water saturated with carbonic acid under pressure by ozone under pressure.

It will thus be seen that my invention, broadly considered, consists in introducing ozone into water in the presence of carbonicacid gas under circumstances under which more ozone is absorbed than corresponds to the coefficient of absorption at ordinary temperatures. By this means a final and complete sterilization is obtained after the vessel containing the liquid has been closed.

Having now particularly described and ascertained the nature of my said invention and the manner in which the same is to be performed, I declare that What I claim is- 1. The process of manufacturing sterilized carbonated liquids, which consists in first introducing, into the liquid to be treated, carbonic acid,and then introducing therein ozone under sustained pressure until a greater quantity of ozone is absorbed than corresponds to the coefficient of absorption at ordinary pressure.

2. The process of manufacturing sterilized carbonated mineral Waters, which consists in introducing, into the Water to be treated, carbonic acid and ozone under sustained pressure until tested samples show the extinction of organic life, and then, While continually maintaining the pressure, transferring the water to storage vessels.

In testimony whereof I have affixed my signature in presence of two Witnesses.

THEODOR WEYL.

Witnesses:

HENRY HASPER, WOLDEMAR IIAUPTa

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