Using the adsorption chillers for utilisation of waste heat from rotary kilns Karol Sztekler, Wojciech Kalawa, Wojciech Nowak, Sebastian Stefański, Jarosław Krzywański and Karolina Grabowska EPJ Web Conf., 180 (2018) 02105 Published online: 04 June 2018 DOI: 10.1051/epjconf/201818002105