For the past three decades, robotic machining has attracted a large amount of research interest owning to the benefit of cost efficiency, high flexibility and multi-functionality of industrial robot. Covering articles published on the subjects of robotic machining in the past 30 years or so; this paper aims to provide an up-to-date review of robotic machining research works, a critical analysis of publications that publish the research works, and an understanding of the future directions in the field. The research works are organised into two operation categories, low material removal rate (MRR) and high MRR, according their machining properties, and the research topics are reviewed and highlighted separately. Then, a set of statistical analysis is carried out in terms of published years and countries. Towards an applicable robotic machining, the future trends and key research points are identified at the end of this paper.

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Activated carbon (ACs) was produced by chemical activation of industrial furfural production waste (FPW) by different chemical activators. The carbon (HP-AC500) produced from pyrolysis of H 3 PO 4 -FPW at 500 • C is microporous carbon with certain proportion of mesopores whose Brunauer-Emmett-Teller (BET) surface area and pore volume could reach 751.8 m 2 /g and 0.63 mL/g, respectively. The carbon (ZN-AC600) produced from pyrolysis of ZnCl 2 -FPW at 600 • C is essentially microporous carbon whose BET surface area and pore volume could reach 1143 m 2 /g and 0.61 mL/g, respectively. ZN-AC600 carbon shows better performance in adsorbing phenol with its maximum monolayer adsorption capacity reaching 166 mg/g, while HP-AC500 carbon shows its better performance in adsorbing Cr (VI) with maximum monolayer adsorption capacity reaching 27 mg/g. The adsorption model based on Unilan together with Clausius-Clapeyron equation provides a satisfactory representation for low-pressure CO 2 , CH 4 , N 2 adsorption on ZN-AC600 and HP-AC500, respectively. Both equilibrium and kinetic results show that the HP-AC500 carbon has better CO 2 separation performance. 