Determining global trends in syngas fermentation research through a bibliometric analysis

被引:14
作者
Calvo, Diana C. [1 ,2 ]
Luna, Hector J. [3 ,4 ]
Arango, Jineth A. [5 ]
Torres, Cesar, I [1 ]
Rittmann, Bruce E. [1 ]
机构
[1] Arizona State Univ, Biodesign Swette Ctr Environm Biotechnol, POB, Tempe, AZ USA
[2] Arizona State Univ, Biodesign Ctr Hlth Microbiomes, POB, Tempe, AZ USA
[3] Univ Antonio Narino, Dept Environm Engn, Grp GRESIA, POB, Bogota 110231, Colombia
[4] Univ Fed Ouro Preto, Dept Chem, Environm & Chem Technol Grp, Campus Univ, Ouro Preto, Brazil
[5] Pontificia Univ Catolica Valparaiso, Valparaiso 2362803, Chile
基金
美国国家科学基金会;
关键词
Syngas fermentation; Synthesis gas; Carboxylate platform; Bibliometric analysis; Network analysis; SYNTHESIS GAS FERMENTATION; HOLLOW-FIBER MEMBRANE; CARBON-MONOXIDE FERMENTATION; MASS-TRANSFER COEFFICIENT; UPGRADING DILUTE ETHANOL; STIRRED-TANK REACTOR; CLOSTRIDIUM-LJUNGDAHLII; CHAIN ELONGATION; MIXED CULTURE; BIOETHANOL PRODUCTION;
D O I
10.1016/j.jenvman.2022.114522
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Syngas fermentation, in which microorganisms convert H-2 , CO, and CO2 to acids and alcohols, is a promising alternative for carbon cycling and valorization. The intellectual landscape of the topic was characterized through a bibliometric analysis using a search query (SQ) that included all relevant documents on syngas fermentation available through the Web of Science database up to December 31st, 2021. The SQ was validated with a preliminary analysis in bibliometrix and a review of titles and abstracts of all sources. Although syngas fermentation began in the early 1980s, it grew rapidly beginning in 2008, with 92.5% of total publications and 87.3% of total citations from 2008 to 2021. The field has been steadily moving from fundamentals towards applications, suggesting that the field is maturing scientifically. The greatest number of publications and citations are from the USA, and researchers in China, Germany, and Spain also are highly active. Although collaborations have increased in the past few years, author-cluster analysis shows specialized research domains with little collaboration between groups. Based on topic trends, the main challenges to be address are related to mass-transfer limitations, and researchers are starting to explore mixed cultures, genetic engineering, microbial chain elongation, and biorefineries.
引用
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页数:12
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