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Abstract: Thermal energy loss in the process industry is a significant issue due to the high temperatures and multiple heat intensive processes involved. High-grade thermal energy is typically recovered within processes. However, lower grade heat is often rejected to the environment. The benefits of capturing and utilising low grade thermal energy are highly dependent on the qualities and properties of the heat in the waste streams. The temperature of the low grade heat stream is the most important parameter, as the effective use of the residual heat or the efficiency of energy recovery from the low grade heat sources will mainly depend on the temperature difference between the source and a suitable sink, e.g. another process or space heating/cooling. In general, the temperatures of these waste heat sources are too low to produce electricity and direct heat use will depend on whether potential user can be found. This paper presents past and current drivers for heat recovery studies. High and low grade heat sources are defined according to the viability of recovery within the processes. Firstly, high grade heat capture within the processes is reviewed. Then, the focus is on the potential for low grade heat capture outside of the original plant. The paper addresses the potential for low grade heat recovery with regard to new incentives and technological advances. Finally, different aspects which influence the decision making for low grade heat recovery in the process industry are discussed. It is concluded that organisational, financial and economic barriers might be overcome and benefits from a holistic vision could be gained with stronger governmental policy and regulation incentives. [Copyright &y& Elsevier]

Abstract: This paper provides new evidence on the relationship between management practices and firm performance. We interviewed managers of 190 randomly selected manufacturing plants in the UK and matched their responses with official business microdata. We find that climate friendly management practices are associated with lower energy intensity and higher productivity. Firms that adopt more such practices also conduct more climate friendly R&D which will sustain future growth in energy efficiency. Our findings are akin to the “energy efficiency paradox” and highlight the linkages between particular management practices and firm-level energy efficiency. We also find a strong empirical link between climate friendly management practices and organizational structure. Firms are more likely to adopt such practices if climate change issues are managed by the environmental or energy manager, and if this manager is close to the CEO. Adoption is less likely when the CEO is in charge of climate change issues. [Copyright &y& Elsevier]