4.7 Article

Evolution of struvite research and the way forward in resource recovery of phosphates through scientometric analysis

Journal

JOURNAL OF CLEANER PRODUCTION
Volume 357, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2022.131737

Keywords

Struvite; Phosphorus recovery; Scientometric analysis; Emerging trends; Evolution; Commercialization

Funding

  1. Science and Engineering Research Board (SERB) of the Department of Science and Technology (DST) , Government of India (GoI)
  2. ASEAN-India Science Technology and Innovation Cooperation [IMRC/AISTDF/CRD/2018/000082]
  3. research grant through Agro Technology Development Programme [DST/TDT/Agro43/2020]

Ask authors/readers for more resources

This manuscript presents a scientometric analysis on struvite research, providing insights on the evolution and transformation of the field, as well as identifying challenges, research gaps, and developments. The analysis includes a total of 1550 scientific documents from 1999 to 2020, and investigates various aspects such as publication output, co-authorship network, author keywords, and co-citation networks. The research on struvite has bloomed in recent years, with China and the United States contributing the most. The findings highlight the importance of addressing research gaps such as real-time wastewater experiments and understanding nutrient uptake mechanisms, and suggest the potential for progress through the integration of advanced technologies.
The alarming decline in phosphate raw materials and increase in eutrophication has escalated interest in struvite research. This manuscript presents scientometric analysis on struvite for fertilizing applications to comprehend the evolution and transformation of the field, investigate the existing challenges, research gaps, and developments to gain insights on the emerging trends for further studies. A total of 1550 scientific documents, between the years 1999-2020, were collected from Scopus (R) and PubMed (R) using an appropriate trail of keywords and analyzed using CiteSpace 5.7. R2. Ten attributes such as annual publication output and types, co authorship network, co-occurring author keywords, the network of authors' countries and institutions, author co-citation network, document co-citation network, journal co-citation network, and co-occurring subject categories were investigated. Based on the distinct network patterns generated by the software, progress of the field, paradigm shifts, knowledge gaps, and scientific frontiers were identified and mapped. The literature on struvite research was found to have bloomed in the early 2000s and accelerated significantly until now, with maximum contribution from China and United States. Journal of cleaner production ranks 5th with 3.35% share of the total contribution according to journal co-citation analysis. Cluster analysis of co-occurring author keywords revealed the research progression through the expanse, knowledge gaps, disciplinary and inter-disciplinary advancements, and future exploration trends. The research has evolved from evaluating the process influencing parameters and developing suitable reactor designs to installation of pilot-scale plants for commercialization. However, lack of experiments on real-time wastewater, plant growth studies and the underlying nutrient uptake mechanisms persist as major research gaps. Focussing on these aspects along with integrated advanced technologies such as microbial fuel cells, microbial electrolysis cells, electrochemical precipitation of struvite and wider application of struvite can pave way for enormous progress of this field.

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