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Over the last few decades, process industries have invested increasing efforts in developing technical and operating solutions related to industrial symbiosis and energy efficiency in both production processes and auxiliary services. In particular, new technologies that enable industrial symbiosis, such as novel treatment processes for byproduct extraction and valorization, water purification, and energy transformation, were implemented in different sectors. This work analyses recent relevant results in the implementation of industrial symbiosis and energy efficiency solutions within process industries across Europe, based on the transactions of energy and material flows. Current developments, based on the circular economy’s transformation levers and related achieved results, were taken into account by considering the achieved results coming from the literature, EU-funded projects, programmes, and initiatives on the implementation of technical solutions and practices related to industrial symbiosis and energy efficiency. In addition, the most relevant challenges deriving from the implementations of industrial symbiosis and energy efficiency were analysed. A comprehensive picture of the sectors involved in achieving more proactive cross-sectorial cooperation and integration was provided, as well as an analysis of the main drivers and barriers for IS and EE implementation in future scenarios for European process industries.

In order to test the theory of Brizhik et al. about the dynamic allocation of acupuncture meridians on human body and their role as hydric paths for solitons, we tested the effect of both acupuncture and exposure to extremely low frequencies (ELF) tuned with suitable ion cyclotron frequencies. The similarity of the effects, inducing variations of body impedance measured in well-known acupuncture points, up to the interchangeability and the synergy of the two treatments, the mechanic and the electromagnetic ones, turns to be evidence of the validity of the theory. Resistance and reactance variations have been detected in a group of 31 healthy volunteers before and after stimulation with a standard sequence of cyclotron frequencies, emitted from an innovative electromagnetic therapy (EMT) device. These variations were then compared with the variations produced by the well-known percutaneous stimuli of mechanical and piezoelectric nature, and, in particular in this work, acupuncture. Our results show that the observed variations can be considered as significant in both groups: cyclotron and acupuncture. The greater variations brought about by the cyclotron treatment stand out clearly.

The implementation of Industrial Symbiosis and Energy Efficiency is linked to the ongoing technological development. New technologies can lead to an increased up-take of these concepts, which affect all areas of process industries and involve the whole workforce. The present paper describes part of the work developed in the early stage of a current Erasmus+ project entitled “Skills Alliance for Industrial Symbiosis: A Cross-sectoral Blueprint for a Sustainable Process Industry (SPIRE-SAIS)”. Such project aims at developing an industry-driven and proactive skills strategy to assist the implementation and exploitation of Industrial Symbiosis and Energy Efficiency across the energy-intensive industrial sectors, which are represented by the association of Sustainable Process Industry through Resource and Energy Efficiency (SPIRE). The main aspects of the current state of implementation of Industrial Symbiosis and Energy Efficiency in European process industries are analyzed. In addition, upcoming techniques and developments are taken into account for the main considered sectors, e.g., Iron and Steel, Chemical, Non-ferrous Metals, Mineral, Water, Ceramics, and Cement. Achieved results on implementation of technologies and practices based on Industrial Symbiosis and Energy Efficiency, as well as new challenges coming from their accomplishments are considered. Companies’ perceptions on future implementation of Industrial Symbiosis and Energy Efficiency are explored, together with possible barriers resulting in implementation practices and expected solutions to satisfy related ongoing and future skill demands.

Technological development, closely related to the implementation of industrial symbiosis and energy efficiency, affects all areas of energy intensive industries, and involves the whole industrial workforce. This paper deals with a part of the work developed in the early stage of a current Erasmus+ project, which aims at developing an industry-driven and proactive skills strategy to assist the implementation and exploitation of industrial symbiosis and energy efficiency across the energy intensive sectors. The paper presents the current state of workforce in the context of industrial symbiosis and energy efficiency implementations. The most recent literature on the effects of new skills requirement and training needs for the European process industry workforce is analyzed and discussed. In addition, implementation advantages and barriers as well as possible solutions to satisfy ongoing and future skill demands are considered. Through skill integrations and workforce attraction and training, new skills, and greater abilities for working across sector boundaries can be achieved. In addition, policies on green economy and on skills development can enable anticipating labor market changes, by identifying skill requirement impacts. This can be achieved by introducing new training programs, revising existing ones and by monitoring the impact of trainings on the labor market.