Study progress in intaking water, defouling and heat transfer in sewage water source heat pump air conditioning systems

Gives an overview of the developing processes of sewage water source heat pump air conditioning systems in north European countries, Japan and China, presents the most recent progress and developing trends in the related technologies, summarizes the technology characteristics in China, analyses the current problems in engineering application and points out that defouling and heat transfer enhancement are the key technology problems to be solved.