Recently, Haiwang (Ningdong) New Materials Co., Ltd. successfully completed the commissioning trial production of its annual 5,000 mt carbazole project, continuously producing high-quality products and achieving batch delivery to clients across multiple sectors, marking a new stage of industrialisation for the world's leading single-unit-scale organic liquid hydrogen storage carrier material production site.
It is understood that the site was jointly established by Beijing Haiwang Hydrogen Energy Technology Co., Ltd. and Ningxia Ningdong Science and Technology Venture Capital Co., Ltd., located in the New Materials Park of the Ningxia Ningdong Energy and Chemical Industry Base. Covering 65 mu, the project features an annual 5,000 mt-class continuous carbazole production line, equipped with full-process facilities including raw material pretreatment, synthesis and preparation, and finished product refining, along with comprehensive utility systems, making it the world's leading specialised organic liquid hydrogen storage carrier production site in terms of process route and the largest in single-unit scale.
The project's core relies on Haiwang Hydrogen Energy's independently developed original synthesis process, completely abandoning the traditional coal tar extraction route, fundamentally overcoming constraints on raw material supply and capacity expansion bottlenecks, and possessing industrialisation advantages of scalable expansion and continuously declining costs. The base purity of products consistently exceeds 99%, and through parameter adjustment, the line can also produce electronic-grade and pharmaceutical-grade high-end products with purity above 99.5%, with the overall production process being green, low-carbon, and environmentally controllable. This proprietary process represents the first industrial-scale application worldwide, having passed the chemical process safety and reliability assessment by the Ningxia Department of Science and Technology, and was evaluated by the China Petroleum and Chemical Industry Federation as reaching an internationally leading technology level.
In terms of industrial value, carbazole and its alkyl derivatives have broad application scenarios. Beyond serving as a core organic liquid hydrogen storage (LOHC) carrier, they are also widely applicable to high-end fine chemical fields such as high-performance dyes, optoelectronic displays, perovskite batteries, and pharmaceutical chemicals, with significant room for industry chain extension and ample market demand potential. The successful trial production of this project will fill the gap in key materials for hydrogen energy storage and transportation, resolve current industry pain points in long-distance and large-scale hydrogen storage and transportation, lay a solid material foundation for the commercialisation and popularization of organic liquid hydrogen storage technology, and facilitate the large-scale, high-quality development of China's entire hydrogen energy industry chain.
Haiwang Hydrogen Energy stated that it will take this commissioning trial production as a starting point to steadily advance capacity ramp-up and stable mass production, continuously optimise production processes, reduce energy consumption and costs, further improve the hydrogen storage material industry chain layout, and empower the hydrogen energy industry through independent innovation in core technologies. 
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