One of the important factors of Earth’s climatechange is an increase in the carbon-dioxide concentra-tion in the Earth atmosphere. A promising way of gasrecycling is its conversion into a gas–hydrate state andstorage at the ocean bottom at a low temperature andhigh static pressure [1]. One of the main parametersproviding the economic feasibility of this way is theformation rate of carbonic-acid hydrate. There are var-ious methods of intensification of the hydratization pro-cess for gases: the fine dispersion of the gas-saturatedjet in gaseous atmosphere [2], the intense hashing ofwater saturated with dissolved gas [3], the vibrationaction on the liquid saturated with gas [4], the ultra-sonic action on the medium [5], etc. The basic disad-vantage of the proposed methods is their low rate ofgas-hydrate formation.The authors of [6] propose a new shock-wavemethod of intensification of gas-hydrate formation. Itwas shown that the basic mechanism providing theintensification of the hydrate-formation process isshock-wave gas-bubble fragmentation. In [7] we exper-imentally investigated the dissolution and hydrate-for-mation processes behind a shock wave of moderateamplitude in water with Freon-12 bubbles at staticatmosphere pressure. We proposed a kinetic model ofthe hydrate-formation process behind the step-profileshock wave in a gas–liquid medium, when the thermaleffects can be neglected. In [8] the experimental data onthe shock-wave propagation in water with carbonic-gasbubbles are presented taking into account the processesof gas-bubble fragmentation, dissolution, and hydrateformation.In [9, 10], the effect of various surface-active sub-stances (SASs) on the hydrate-formation rate in amotionless medium under the condition of intensehashing of the medium and atomization of liquid in thegas phase is experimentally investigated. It is shownthat the presence of SAS in water results in increasingthe rate of gas-hydrate formation.In this study, we experimentally investigated theprocesses of dissolution and hydrate formation behindthe shock wave in water with carbonic-acid bubbles atvarious initial static pressures. The SAS effect on theprocesses of dissolution and hydrate formation in themedium is investigated. A theoretical model of the pro-cesses of dissolution and hydrate formation behind theshock wave in the gas–liquid medium is proposed tak-ing into account the convective and molecular diffusionof gas in the liquid and the convective and conductiveheat exchange due to the heat release at the interface asa result of the processes of dissolution and hydrate for-mation. The experimental data are compared to themodel calculation.We consider the liquid (water saturated with gas toan equilibrium state at this temperature and pressure)with gas bubbles in which the one-dimensional step-profile shock wave is propagated. We consider that thebubbles are crushed in the wave front into small gasinclusions, which form gas–liquid clusters. Because theliquid behind the wave front proves to be in an incom-pletely saturated state, the process of gas dissolution inliquid begins. We consider the case when the mediumbehind the shock-wave front occurs in the phase-statearea, where hydrate formation is possible. It results inthe formation and growth of hydrate shells on the gas-bubble boundary. In [11] it is noted that the hydrateformed on the surface of a gas bubble moving in watergrows in the form of separate crystals. The opinion wasstated that the film of hydrate crystals presents no sig-nificant obstacle for the interaction between water andgas, and there is always a free surface of gas–liquidcontact. Hence, it is possible to assume that the jointprocess of dissolution and hydrate formation behind theshock-wave front depends mainly on the heat and mass