Journal
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
Volume 46, Issue 2, Pages 143-207Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10643389.2015.1077067
Keywords
Agricultural waste materials; industrial waste materials; metal-matrix composites
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Funding
- Conacyt (National Council of Science and Technology, in Mexico)
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In this contribution, authors present a review on the state-of-the-art in the utilization of industrial and agricultural waste materials for the development of metal-matrix composites (MMCs), providing, through the judicious analysis of an ample and varied references source - from the oldest to the newest ones - an insight into the challenges and opportunities for the exploitation to their full potential. In addition to its topicality, the novelty of this contribution lies in the presentation of key statistical, technical, and property-related information of a comprehensive variety of waste materials classed into two main groups, namely, fly ash reinforced MMCs and MMCs derived from other waste materials. Although fly ash has been exploited in a broad range of applications, the attention paid for its use in the development of MMCs seems to be insufficient. A purposely designed chart helped to pinpoint the more demanding and profitable applications of fly ash, and establish strategic opportunity areas. With the exception of the recent utilization of fly ash for the automotive industry, virtually no other waste material has been reused for a specific industrial application. In this context, by identifying five reasons for this observed delay, an essential goal of this review is to arouse the interest of academicians, scientists/technologists, and industrialists in the use of those materials for the fabrication of MMCs. In the case of agricultural materials, a twofold perspective may apply, because while on the one hand, certain chemical elements have to be removed for specific applications, on the other hand, recovery of certain elements might be more attractive. Based on the significant progress observed so far, in terms of scientific and technological research, a promising future can be anticipated. The proper use of industrial and agricultural waste materials entails knowledge generation as a prerequisite for incubation of pilot-plant and industrialization stages, culminating with all related benefits to society.
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