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Innovation strategies for the promotion of solid waste recycling technologies include not only new technologies for resource utilization of solid waste but also sustainable business models to support the adoption of these technologies. This study presents how to incorporate the determinant factors affecting technology promotion and business strategy into a sustainable business model for the promotion of solid waste recycling technologies. A systematic literature review summarizes the determinant factors affecting the aforementioned promotion, including market-, policy-, company-, and technology-related factors. Combined with the theoretical background of the sustainable business model, this study analyzes that for the promotion of solid waste recycling technologies from value dimensions (value proposition, value creation & delivery, and value capture) and sustainability dimensions (economic, social, and environmental). We confirm the importance of incorporating determinant factors into the sustainable business model from the analysis of the Daye Non-Ferrous Metal Recycling Park. Our case study proposes that innovation of the sustainable business model needs to drive changes in business strategy. To promote the aforementioned technologies, we propose an Internet-based technology service platform as the core strategy of the sustainable business model. As the private sector, technology companies can make full use of technological innovation, public policies, and the market environment to achieve and develop sustained competitive advantages through an Internet-based platform and to effectively enhance the promotion of solid waste recycling technologies and help achieve sustainable development.

The demand together with the urgency of phosphogypsum (PG) treatment, will pose big challenges for many countries. This research aims to explore the research progress of PG, including basic status, cooperation situation, research elds and development trends, based on Web of Science database through bibliometric analysis of publications (articles and patents) from 1990 to 2020. The results show that the academic research of PG originated earlier, but the number of patents grew faster. China has an absolute advantage in the numbers and plays a signi cant role in international cooperation. The knowledge structure of PG is mainly concentrated in the elds of natural radioactivity, cement paste back lling, soil, crystal morphology, and synthetic gas. Academic hotspots focus on the microstructure of chemical processes and various environmental impacts, and the patents hot technologies is the production of refractory materials, ceramics, surface materials, cement mortar and composite materials. The academic frontiers of PG will be the methods of recovering rare earth elements from PG, the conditions of ion solidi cation/stabilization in PG, the impact of reaction conditions on product quality, and the reaction mechanism at the micro-level. The frontiers of patents will focus on the improvement of manufacturing equipment, new wall materials and chemical modi ed polymer materials. In terms of the number of articles and patents in the future, architectural research has the maximum space for improvement. This paper conducts an in-depth analysis of PG and provides information on the technological development prospects and opportunities, which is helpful for researchers engaged in PG management.

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The demand together with the urgency of phosphogypsum (PG) treatment, will pose big challenges for many countries. This research aims to explore the research progress of PG, including basic status, cooperation situation, research fields and development trends, based on Web of Science database through bibliometric analysis of publications (articles and patents) from 1990 to 2020. The results show that the academic research of PG originated earlier, but the number of patents grew faster. China has an absolute advantage in the numbers and plays a significant role in international cooperation. The knowledge structure of PG is mainly concentrated in the fields of natural radioactivity, cement paste backfilling, soil, crystal morphology, and synthetic gas. Academic hotspots focus on the microstructure of chemical processes and various environmental impacts, and the patents hot technologies is the production of refractory materials, ceramics, surface materials, cement mortar and composite materials. The academic frontiers of PG will be the methods of recovering rare earth elements from PG, the conditions of ion solidification/stabilization in PG, the impact of reaction conditions on product quality, and the reaction mechanism at the micro-level. The frontiers of patents will focus on the improvement of manufacturing equipment, new wall materials and chemical modified polymer materials. In terms of the number of articles and patents in the future, architectural research has the maximum space for improvement. This paper conducts an in-depth analysis of PG and provides information on the technological development prospects and opportunities, which is helpful for researchers engaged in PG management.