天然气化工副产氢的氢能应用及氢-氨融合发展分析  

Analysis of hydrogen energy application of by-product hydrogen from natural gas chemical industry and development of hydrogen-ammonia fusion

作　　者：黎园 陈林 贾蔚 LI Yuan;CHEN Lin;JIA Wei(SINOPEC Chongqing SVW Chemical Co.,Ltd.,Chongqing 401254,China)

机构地区：[1]中国石化集团重庆川维化工有限公司,重庆401254

出　　处：《低碳化学与化工》2024年第6期73-79,104,共8页Low-Carbon Chemistry and Chemical Engineering

摘　　要：天然气化工副产氢从传统的化工利用转化为氢能应用,可实现副产物提质升级,并有利于氢能产业发展。天然气化工生产的羰基合成气、乙炔尾气经过分离提纯制得高品质氢,并可将其创新性地应用于氢燃料电池汽车。提出了天然气化工副产氢经提质可成为多种符合国家标准技术要求的高品质氢,满足工业、交通、能源和建筑用氢等应用需求,以拓展氢能应用领域。针对当前氢能存在储运瓶颈及成本制约影响其大规模应用的难题,提出了天然气化工企业将该副产氢合成液氨,利用液氨作为储氢介质、零碳燃料的特性以及液氨相比气氢、液氢储存的明显优势,以氢-氨融合的方式进行转化应用,并分析了液氨在传统燃料、氨燃料电池和氨催化裂解制氢等应用场景及发展前景。天然气化工副产氢可突破传统的化工用途,向具有良好发展前景的氢能应用转化,在新能源领域发挥积极作用。The conversion of by-product hydrogen form natural gas chemical industry from traditional chemical applications to hydrogen energy applications can achieve upgrading of by-product quality and is beneficial for the development of the hydrogen energy industry.The carbonyl synthesis gas and acetylene tail gas from natural gas chemical industry are separated and purified to produce high-quality hydrogen,which can be innovatively applied to hydrogen fuel cell vehicles.It was proposed that the by-product hydrogen could be upgraded to various high-quality hydrogen that meets the technical requirements of national standards to meet the application needs of industry,transportation,energy and construction hydrogen,and expand the application field of hydrogen energy.In response to the current difficulties of storage and transportation bottlenecks and cost constraints of hydrogen energy affecting its large-scale applications,it was proposed that natural gas chemical enterprises could also synthesize liquid ammonia from the by-product hydrogen to transform and apply it through hydrogen-ammonia fusion based on the characteristics of liquid ammonia as hydrogen storage medium and zero carbon fuel,as well as the obvious advantages of liquid ammonia compared to gas hydrogen and liquid hydrogen storage.What’s more,the application scenarios and development prospects of liquid ammonia in traditional fuels,ammonia fuel cells and ammonia catalytic cracking for hydrogen production were analyzed.By-product hydrogen from natural gas chemical industry can break through traditional chemical applications and transform into hydrogen energy applications with good development prospects,playing a positive role in the field of new energy.

关 键 词：天然气化工 氢气 氢能 氢-氨融合 液氨 氨燃料 

分 类 号：TQ122[化学工程—无机化工]