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Agriculture
Special Issues
Research on Resource Utilization of Green Agricultural Waste
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Research on Resource Utilization of Green Agricultural Waste

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Agricultural Technology".

Deadline for manuscript submissions: closed (25 May 2024) | Viewed by 3252

Special Issue Editors

Prof. Dr. Zonglu Yao

E-Mail Website
Guest Editor
Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: agriculture waste; pyrolysis; hydrothermal carbonization; biogas
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Lili Huo

E-Mail Website
Guest Editor
Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: agriculture waste; emission reduction; life cycle assessment; biochar; pyrolysis
Special Issues, Collections and Topics in MDPI journals
Dr. Jiadong Yu

E-Mail
Guest Editor
Chinese Academy of Agricultural Sciences, Beijing, China
Interests: anaerobic digestion; microbial community; carbon chain extension; biogas; medium-chain fatty acids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The purpose of this Special Issue is to provide crucial information to enhance discussions, analyses, and evaluations pertaining to the resource utilization of agricultural waste. It covers various research topics related to the technology of agricultural waste resource utilization, including pyrolysis technology, hydrothermal carbonization technology, biogas technology, and other relevant technologies. The increasing amount of agricultural waste due to the development of the agricultural economy poses a significant environmental impact if not properly managed. However, if agricultural waste is effectively and resourcefully utilized, it can be transformed into a valuable resource, such as renewable energy and series products. Authors are encouraged to submit their contributions on different hot topics in this field.

  • Characteristics, resources, and distribution of agricultural waste;
  • Pretreatment as well as thermochemical and biochemical utilization of agricultural waste;
  • Carbon capture, storage, and utilization of agricultural waste;
  • Extraction of value-added compounds from agricultural waste using green technologies.

Prof. Dr. Zonglu Yao
Prof. Dr. Lili Huo
Dr. Jiadong Yu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agriculture is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • agriculture waste
  • resource utilization
  • pyrolysis
  • hydrothermal carbonization
  • anaerobic digestion

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Published Papers (1 paper)

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Research

21 pages, 3198 KiB  
Article
Solid–Liquid Separation and Its Environmental Impact on Manure Treatment in Scaled Pig Farms—Evidence Based on Life Cycle Assessment
by Yijia Zhang, Qinqing Bo, Xintian Ma, Yating Du, Xinyi Du, Liyang Xu and Yadong Yang
Agriculture 2023, 13(12), 2284; https://doi.org/10.3390/agriculture13122284 - 16 Dec 2023
Viewed by 2561
Abstract
Recently, there has been a significant focus on the issue of pollution caused by livestock and poultry rearing, which is recognized as a prominent contributor to nonpoint source pollution in the agricultural sector. This study employed the life cycle assessment (LCA) methodology to [...] Read more.
Recently, there has been a significant focus on the issue of pollution caused by livestock and poultry rearing, which is recognized as a prominent contributor to nonpoint source pollution in the agricultural sector. This study employed the life cycle assessment (LCA) methodology to evaluate the environmental impact of several pig manure processing scenarios with the aim of determining the appropriate solid–liquid separation tool for large-scale pig farms. The findings indicate that the utilization of a screw extruder for solid–liquid separation in Scenario 2 has a lower environmental impact. In contrast to Scenario 1, Scenario 2 exhibits reduced environmental potential in the areas of global warming, human toxicity, acidification, and eutrophication. Specifically, the global warming, human toxicity, acidification, and eutrophication impacts decreased by 56%, 81%, 83%, and 273%, respectively, due to the implementation of solid–liquid separation. The type of solid–liquid separation equipment used during the processing of swine manure, as well as the subsequent treatment, have a significant impact on environmental emissions. Compared to Scenario 2, Scenario 3, which utilizes a centrifugal microfilter for solid–liquid separation, exhibits a lower environmental impact in terms of human toxicity, resulting in a reduction of 0.736 kg DCB-eq. In general, solid–liquid separation is a viable and environmentally friendly method for the disposal of waste from large-scale pig farms. The adoption of this method is highly recommended. During its implementation, careful consideration should be given to factors such as separation efficiency and pollution emissions. It is crucial to select appropriate equipment for solid–liquid separation to effectively process the waste. Full article
(This article belongs to the Special Issue Research on Resource Utilization of Green Agricultural Waste)
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