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Biomass-Based Green Materials and Chemicals

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Green Materials".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 2146

Special Issue Editors


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Guest Editor
School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, China
Interests: biobased chemicals for polymeric materials

E-Mail Website
Guest Editor
School of Chemical Engineering, Zhengzhou University, Zhengzhou, China
Interests: catalytic conversion of biomass-based molecules

Special Issue Information

Dear Colleagues,

Biomass materials have emerged as a promising alternative to conventional non-renewable materials due to their environmentally friendly nature and abundance. Biomass-based green materials and chemicals are a new generation of sustainable materials derived from renewable sources, such as agricultural and forestry wastes, energy crops, and algae. These materials have unique properties that make them suitable for a range of applications, including packaging, construction, textiles, and composites. The production of biomass-based green materials and chemicals involves a range of technologies, such as biorefinery, bioenergy, and bioplastics, which require interdisciplinary knowledge and collaboration among various fields, including chemistry, materials science, and engineering.

This special issue aims to provide a platform for researchers and practitioners to present and discuss the latest advancements in biomass-based green materials and chemicals. The topics covered in this issue will include the synthesis, characterization, and properties of biomass-based materials and chemicals, as well as their applications in various fields. We hope that this special issue will contribute to the advancement of sustainable materials and pave the way for a more environmentally friendly future.

Prof. Dr. Yongsheng Zhang
Dr. Dan Wu
Guest Editors

Manuscript Submission Information

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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

  • biobased chemicals
  • polymeric materials
  • catalytic conversion, sustainable

Published Papers (2 papers)

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Research

9 pages, 2674 KiB  
Article
Preparation of Biochar Composite Microspheres and Their Ability for Removal with Oil Agents in Dyed Wastewater
by Lu Shen, Rushi Jin, Wanming Chen, Dongming Qi and Shimin Zhai
Materials 2023, 16(18), 6155; https://doi.org/10.3390/ma16186155 - 11 Sep 2023
Viewed by 1018
Abstract
Oil agents produced from the degreasing treatment of synthetic fibers are typical pollutants in wastewater from printing and dyeing, which may cause large-scale environmental pollution without proper treatment. Purifying oily dye wastewater (DTY) at a low cost is a key problem at present. [...] Read more.
Oil agents produced from the degreasing treatment of synthetic fibers are typical pollutants in wastewater from printing and dyeing, which may cause large-scale environmental pollution without proper treatment. Purifying oily dye wastewater (DTY) at a low cost is a key problem at present. In this study, biochar microspheres with oil removal ability were prepared and derived from waste bamboo chips using the hydrothermal method. The structure of the biochar microsphere was regulated by activation and modification processes. Biochar microspheres were characterized, and their adsorption behaviors for oily dye wastewater were explored. The results show that the adsorption efficiency of biochar microspheres for oily dye wastewater (DTY) was improved significantly after secondary pyrolysis and the lauric acid grafting reaction. The maximum COD removal quantity of biochar microspheres for DTY was 889 mg/g with a removal rate of 86.06% in 30 min. In addition, the kinetics showed that chemisorption was the main adsorption manner. Considering the low cost of raw materials, the application of biochar microspheres could decrease the cost of oily wastewater treatment and avoid environmental pollution. Full article
(This article belongs to the Special Issue Biomass-Based Green Materials and Chemicals)
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11 pages, 2651 KiB  
Article
Improved Flotation Separation of Scheelite from Calcite by Sulfomethylated Kraft Lignin
by Hang Qian, Jinpan Bao, Chuxiong Shen, Dan Wu, Jianshe Wang, Haiqing Hao and Yongsheng Zhang
Materials 2023, 16(13), 4690; https://doi.org/10.3390/ma16134690 - 29 Jun 2023
Cited by 1 | Viewed by 836
Abstract
Low-grade and high-reserve scheelite, which is associated with calcite, has similar surface properties that cause difficulty in separation. In this study, sulfomethylated kraft lignin (SMKL) was used as a novel eco-friendly inhibitor for the flotation separation of scheelite and calcite. The flotation test [...] Read more.
Low-grade and high-reserve scheelite, which is associated with calcite, has similar surface properties that cause difficulty in separation. In this study, sulfomethylated kraft lignin (SMKL) was used as a novel eco-friendly inhibitor for the flotation separation of scheelite and calcite. The flotation test results showed that 60 mg/L SMKL had a significant influence on depressing calcite flotation, while it had a slight effect on scheelite flotation. Furthermore, it enhanced the WO3 grade of the concentrate in the artificial mixed ore to 62.02% with a recovery rate of 80.37%. The contact angle and zeta potential showed that SMKL could effectively decrease the surface floatability of calcite and caused the negative shift of minerals’ surface potential. XPS and DFT calculations revealed that the sulfonic acid group of SMKL had an electron-donating ability and was easily adsorbed on the positively charged surface of calcite, which hindered the adsorption of sodium oleate on calcite. SMKL could separate calcium-bearing minerals with a high efficiency and selectivity, providing a new method for industrial production. Full article
(This article belongs to the Special Issue Biomass-Based Green Materials and Chemicals)
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