Paradigm Shift to the Cross Economy: Transforming Waste Into Innovative Material Platforms
ABSTRACT The Cross Economy offers a forward‐looking framework that reimagines resource use through the processes of Transform, Create, and Multiply. Rather than focusing primarily on closed‐loop recycling, as seen in most Circular Economy models, the Cross Economy enables systemic value creation by unlocking new material streams, technologies, and economic opportunities. Using spent coffee grounds (SCGs) as a case in point, we illustrate how precision fractionation yields high‐purity cellulose, lignin, lipids, and polyphenols that can be recombined into advanced bio‐composites with properties comparable to, and in some cases surpassing, petrochemical benchmarks. Beyond this example, economic modeling and life cycle assessment demonstrate the potential of the Cross Economy to deliver near‐zero waste, market competitiveness, and alignment with United Nations Sustainable Development Goals (UN SDGs). By shifting the narrative from recycling to regeneration and multiplication of value, the Cross Economy provides a replicable blueprint for inclusive green growth and resilient post‐petroleum industrial ecosystems.
Authors
- Hanna Kim (ORCID: https://orcid.org/0000-0002-0654-2949)
- Yewon Song (ORCID: https://orcid.org/0000-0002-2767-094X)
- Nam‐Joon Cho
- Yuhyun Park
Institutions
- Singapore Institute of Technology (SG)
- Nanyang Technological University (SG)
- Singapore Centre for Environmental Life Sciences Engineering (SG)
Publication Details
- Journal
- Advanced Sustainable Systems
- Published
- 2026-01-01
- DOI
- https://doi.org/10.1002/adsu.202501440
- Primary Topic
- Extraction and Separation Processes
- Type
- article
- Field-Weighted Citation Impact
- 0.00