Abstract
Recovering valuable compounds from waste streams of bio-based production processes is in line with the circular economy paradigm, and is achievable by implementing “simple-to-use” and well-established process separation technologies. Such solutions are acceptable from industrial, economic and environmental points of view, implying relatively easy future implementation on pilot- and full-scale levels in the bio-based industry. Reviewing such technologies is therefore the focus here. Considerations about technology readiness level (TRL) and Net Present Value (NPV) are included in the review, since TRL and NPV contribute significantly to the techno-economic evaluation of future and promising process solutions. Based on the present review, a qualitative guideline for resource recovery from bio-based production processes is proposed. Finally, future approaches and perspectives toward identification and implementation of suitable resource recovery units for bio-based production processes are discussed.
Highlights
The efficient identification, design and development of appropriate processes are important priorities for the industry to remain competitive in a global and rapidly evolving market place [1,2,3].Potential reductions in greenhouse gas emissions and decreased dependence on fossil resources are fueling interest in the development of bio-based products and their production processes [4]
A successful application of resource of resource recovery from waste streams improves the economic performance of a process at little to recovery from waste streams improves the economic performance of a process at little to no added no added operating costs
In order to promote increased future implementation of resource recovery operations, more focus should be on developing easy to use generic frameworks and model-based methodologies and computer-aided tools that can be used for rapid identification and evaluation of promising separation techniques that will work on recovering target resources from a particular waste stream
Summary
The efficient identification, design and development of appropriate processes are important priorities for the industry to remain competitive in a global and rapidly evolving market place [1,2,3]. The remainder of this manuscript is organized as follows. To this end, this work will focus on identifying promising separation technologies with the purpose of achieving resource recovery from bio-based production processes, as many economically lucrative raw materials are already present in these waste streams and can be recovered without the need for other conversion processes. Future perspectives to direct efforts towards implementation of resource recovery units are given followed by conclusions
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