The present research demonstrates the investigations on the synthesis of the triazine (2,4,6-triamino-1,3,5- triazine) based cross-linked biopolymeric system (BPCL) for the application in the storage and transport of the methane gas in the form of gas hydrates. The synthesis of cross-linked polymer (globular) was carried out under ambient conditions. The synthesis was controlled with the help of characterization at regular intervals by state-of-the-art characterization tools such as Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), Scanning Electron Microscope (SEM), and contact angle goniometer. The final product was confirmed using Bruker, 500 MHz H1-NMR spectroscope. The stability and the size of the particles were characterized using the dynamic light scattering instrument. This investigation was target-oriented, focusing on the application of the desired product in gas storage. Therefore, a systematic study comprising of comparative analysis of methane gas hydrate experiments was conducted, which upon the optimization, showed an enhanced uptake of methane in the range of 273.15 K – 276.15 K and 4 - 6 MPa at a minimal concentration of additive. In addition, morphological studies were conducted in a specialized high-pressure reactor to predict the behaviour of gas hydrate growth in the reactor. The performance of the novel biopolymeric system was compared with conventional surfactant-based gas hydrate additives. The present system has an advantage over the conventional chemical additive system with respect to biodegradability and low foam generation.<br/>The pattern of the gas hydrate growth as observed under the morphology study is significant for the commercial exploitation of the technology during formation, storage, and transport. The result of the study facilitates better planning and lowering of the risk factors involved while dealing with gaseous fuels. The current investigation provides a better alternative to methane transportation in liquified or compressed form, having low capital investment with a low payback period for the development of the commercial processes. Therefore, the experimental output of methane gas storage and transport using the reported polymeric system becomes extremely significant in gas hydrate technology with a biodegradable polymer system.

Synthesis and energy storage application of triazine-based crosslinked biopolymeric system

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