Analysis of The Feasibility of Hydrogen Injection in Pipeline Gas Distribution Networks

Objective: The objective of this study is the development of the basic guidelines for blending green hydrogen with natural gas and transporting it through the gas pipelines of a natural gas distribution company. The characteristics of consumption, legislation and materials used in the company's network were considered. In addition, data from recent research in the area was also selected to support specific actions so that this objective is achieved in a technically sustainable way, respecting technical knowledge and standards available internationally. Method: In this scenario, a study of the feasibility of enriching natural gas distributed by a gas distribution company in the region of the city of Fortaleza with green hydrogen is presented. In addition, data from recent research in the area was also selected to support specific actions so that this objective is achieved in a technically sustainable way, respecting technical knowledge and standards available internationally. Results and Discussion: Based on current legislation and a series of technical references, it is currently recommended to add levels of up to 2% in branches where natural gas is used for vehicular and industrial glass and ceramic applications and can increase up to 3% in other extensions. The maximum concentration may reach 10% in the medium term after detailed fatigue resistance studies or adaptation of pipes with internal polymer jackets. Research Implications: The interest in replacing fossil fuels for decarbonization purposes has motivated research into a series of alternatives, among which hydrogen stands out as a possible vector or energy carrier for high-efficiency systems with oxidation free of carbon emissions. carbon. Introducing renewable hydrogen into natural gas distribution networks stabilizes the demand for production of this gas, in addition to alleviating the costs and risks associated with building a dedicated facility. Originality/Value: This study contributes to the literature related to the study of green Hydrogen. The relevance and value of this research are evidenced by the results obtained.