Coal Gasification-based Polygeneration (CGP): the Potentially Strategic Technology in Chinese Energy Sector What is the potential role of CGP? What are the obstacles in CGP business implementation? How to accelerate its implementation?

Sammanfattning: Coal gasification-based polygeneration (CGP) technology provides an opportunity for China to help to solve the main challenges it is facing in energy sector. On one hand, it can greatly mitigate the conflict of energy demand and supply in China, by generating electricity and co-producing liquid fuel without China's becoming overly dependent on imports, on the other hand, it can dramatically decrease the environmental impacts and also facilitate the capture of carbon dioxide in the process. The research shows that the barriers of CGP implementation is not originated from its financial or technical perspective. In fact, the financial internal rate of return ( FIRR) and investment profit margin (IPM) of the proposed CGP project turns out to be excellent. Besides, the success of small-scale demonstration project proves that the technology matter can't be the main obstacles either. Through the research, the author finds that it is the problem of market access that constitutes the prime barrier for CGP business implementation, because the potentially huge demand for CGP products in China, e.g. DME as a substitute transportation fuel, can only be accessed when appropriate condition is achieved. The condition includes the following: support of large energy distributors and governments from all level, specialized infrastructure, the availability of national technical standard and regulation in downstream phase, the specification and confirmation of optimum technologies, etc. Without this, the uncertainty caused in market access would block the development of CGP technology implementation. Accelerating the establishment and development of demonstration city for CGP products implementation is recommended as the urgent affair, which may lead to the achievement of market access in host city and trigger the leap of CGP implementation.