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Han W, Zhang S, Wang J, Xu XQ, Wang Y. Adduct of Pesticide and Lignocellulosic Waste via Cleavable Silaketal Linkages for Agricultural Double Reduction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:19107-19115. [PMID: 39186791 DOI: 10.1021/acs.langmuir.4c02214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
The abuse of hazardous agrochemicals leads to excessive toxic agricultural emissions, posing a tremendous threat to the natural surroundings and human well-being. In practice, the amount of pesticides in protecting crops is often far less than that lost into the environment through evaporation and leaching. Minimizing the use of pesticides as well as improving their use efficiency has been included in the policy of "agricultural double reduction," besides replacing the chemical fertilizer with straw returning. Here, we establish a strategy for controlling pesticide release from the lignocellulosic waste based on the stimulus-responsive cleavage of silaketal linkages. Noting that the cleavage of the silaketal linkages relies heavily on the substituent groups on silicon atoms, this pesticide-releasing system has the advantages of predictable service life and less environmental pollution in a desired time window. Instead of lengthy laboratory synthesis, outdoor instant synthesis can be conveniently realized with the help of a photothermal heating apparatus. After utilization, both silaketal linkages and lignocellulosic residuals are eco-friendly and can be a source of nutrients for soil. Referring to agricultural double reduction, this type of pesticide formulation is coined as a competitive approach to minimize pesticide pollution along with straw returning.
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Affiliation(s)
- Wenwen Han
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, School of Chemistry and Life Resources, Renmin University of China, Beijing 100872, China
| | - Shoupeng Zhang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, School of Chemistry and Life Resources, Renmin University of China, Beijing 100872, China
| | - Jiayin Wang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, School of Chemistry and Life Resources, Renmin University of China, Beijing 100872, China
| | - Xiao-Qi Xu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, School of Chemistry and Life Resources, Renmin University of China, Beijing 100872, China
| | - Yapei Wang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, School of Chemistry and Life Resources, Renmin University of China, Beijing 100872, China
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2
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Guo Y, Zhuang F, Cui Q, Zhang S, Hao Z, Shi Y, Lu H, Shi X. Preparation and characterization of liquefied eggplant branch bio-based controlled-release fertilizer. BMC Chem 2024; 18:71. [PMID: 38609971 PMCID: PMC11010369 DOI: 10.1186/s13065-024-01180-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Bio-based coating materials have received increased attention because of their low-cost, environmentally friendly, and sustainable properties. In this paper, a novel coating material was developed to coat ureas using bio-based coating material derived from liquefied eggplant branches to form controlled-release ureas (CRUs). Also, the optimum proportion of liquefier was studied. Furthermore, dimethyl siloxane was used to modify liquified eggplant branches to make them hydrophobic, resulting in hydrophobic controlled-release ureas (SCRUs). This hydrophobic-enabled coating is environmentally friendly and highly efficient. The products were characterized by specific scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, and differential scanning calorimetry, and the water contact angles of CRUs and SCRUs were determined. The nutrient-release characteristics of the SCRUs in water were determined at 25 °C and compared with those of CRUs. The results showed that the modification with dimethyl siloxane reduced the N release rate and increased the longevity of the fertilizer coated with hydrophobic bio-based coating material. In addition, organosilicon atoms on the SCRU surface also block the micro-holes on the coating and thus reduce the entry of water onto the coating. The results suggest that the new coating technology can create a hydrophobic surface on bio-based coating material and thus improve their controlled-release characteristics.
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Affiliation(s)
- Yanle Guo
- College of Horticulture and Landscape Architecture, Jinling Institute of Technology, Nanjing, 210038, China
| | - Fengyuan Zhuang
- College of Horticulture and Landscape Architecture, Jinling Institute of Technology, Nanjing, 210038, China
| | - Qunxiang Cui
- College of Horticulture and Landscape Architecture, Jinling Institute of Technology, Nanjing, 210038, China.
| | - Shugang Zhang
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, National Engineering and Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, 271018, China.
| | - Zhenping Hao
- College of Horticulture and Landscape Architecture, Jinling Institute of Technology, Nanjing, 210038, China
| | - Yiyun Shi
- College of Horticulture and Landscape Architecture, Jinling Institute of Technology, Nanjing, 210038, China
| | - Hao Lu
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Co-Innovation Center for Modern Production Technology of Grain Crops of Jiangsu Province, Yangzhou University, Yangzhou, 225009, China
| | - Xiaoqing Shi
- Huacheng Vegetable Cooperative Co., Ltd, Nanjing, 211299, China
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Liu M, Li J, Ren B, Liu Y, Liu Z, Zhou T, Cheng D. The water-retaining functional slow-release fertilizer modified by carboxymethyl chitosan. Carbohydr Polym 2024; 328:121744. [PMID: 38220354 DOI: 10.1016/j.carbpol.2023.121744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/02/2023] [Accepted: 12/26/2023] [Indexed: 01/16/2024]
Abstract
To solve the problem of shortage of agricultural water resources and low utilization rate of fertilizer, a slow-release fertilizer based on chitosan modified water retention function was developed. Solution polymerization and semi-interpenetrating network technology were used to load urea aldehyde into carboxymethyl chitosan superabsorbent resin network. This technology realizes the simultaneous slow release of nutrients and water by using modified chitosan, which has important implications for the application of chitosan in agriculture to regulate the soil water and fertilizer conditions. The optimal preparation conditions were: MBA 0.07 %, KPS 0.8 %, AM to AA mass ratio of 0.3:1, CMC content of 10 %, AA neutralization degree 85 %, UF 20 %, AA+AM mass sum of 10 g, reaction temperature 70 °C and reaction time 2 h. The maximum water absorption rate of the optimized NC reached 172.3 g/g. The cumulative release of nitrogen in 30 days was 83.67 %. The application of NC in sandy soil promoted seed germination and growth. The comprehensive results indicate that NC has broad application prospects in arid areas based on its excellent water retention and nutrient release performance.
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Affiliation(s)
- Mingshang Liu
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Jinxi Li
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Bincheng Ren
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Yan Liu
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Zihan Liu
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Tongtong Zhou
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Dongdong Cheng
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, PR China.
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4
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Slow Release and Water Retention Performance of Poly(Acrylic Acid-Co-Acrylamide)/Fulvic Acid/Oil Shale Semicoke Superabsorbent Composites. Polymers (Basel) 2022; 14:polym14091719. [PMID: 35566887 PMCID: PMC9104033 DOI: 10.3390/polym14091719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/12/2022] [Accepted: 04/19/2022] [Indexed: 12/02/2022] Open
Abstract
In order to achieve the low cost and multifunction of superabsorbent composites, poly(acrylic acid-co-acrylamide)/fulvic acid/oil shale semicoke (PAMFS) were prepared by free radical copolymerization of fulvic acid (FA), oil shale semicoke (OSSC), acrylic acid (AA) and acrylamide (AM). The characterization results revealed that FA and OSSC were involved in the construction of a three-dimensional (3D) polymeric network via hydrogen bonding and covalent bonding. The water absorbency of PAMFS in distilled water and 0.9 wt% NaCl solution were 724 and 98 g/g, respectively. The FA slow release of PAMFS in distilled water and soil was achieved due to the interaction between FA and the functional groups of polymer matrix by hydrogen bonds and covalent bonds. Furthermore, the potted experiment indicated that the addition of PAMFS to soil can significantly promote plant growth compared with the pure soil, regardless of water stress. Therefore, this superabsorbent composite showed an excellent water absorption and salt resistance performance, as well as nice slow release performance. It has a broad application prospect.
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Wang Z, Lu J, Wu C, Dan Y, Li G, Wu D, Hu S. Efficient reclamation phosphate by alginate-g-BMOF using poly(N-isopropyl acrylamide-co-acrylamide) as coating for temperature-responsive slow-release P-fertilizer. Int J Biol Macromol 2022; 201:437-447. [PMID: 35041885 DOI: 10.1016/j.ijbiomac.2022.01.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 12/29/2021] [Accepted: 01/10/2022] [Indexed: 11/24/2022]
Abstract
Poly(N-isopropyl acrylamide) and its derived copolymer, as a temperature-responsive material, are widely used in the field of anticancer drug carrier. And it also plays an important role as carrier in slow-release fertilizer in recent years. In this paper, a smart poly(N-isopropyl acrylamide-co-acrylamide)-coated Alg-BMOF (PABMOF) was fabricated in ionic liquids microemulsion ([Bmim]PF6/TX-100/water) as nano-reactor. The structure and morphology of PABMOF were characterized by FT-IR, XRD, XPS, SEM, TG and BET. The resultant PABMOF was used as a adsorbent for H2PO4- adsorption. The adsorption kinetics, isotherms and mechanism of H2PO4- onto the resultant PABMOF were studied. The adsorption kinetic data was well suitable for pseudo-second-order kinetic model, and adsorption isotherm results demonstrated that the equilibrium data was fitted for Freundlich model. The water-holding and water-retention capacity of soil with TRSRFs addition of 2 wt% were74.3% and 52.13% at 30th day, respectively. Moreover, the release behavior of TRSRFs in water show that the cumulative release rate (Cr%) were 81.4% at 45 °C and 97.6% at 25 °C within 172 h, which displayed the excellent temperature-responsive property. The effect of TRSRFs on the growth of Chinese cabbage was investigated, which was indexed with the germination rate, plant height and root length of the crop.
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Affiliation(s)
- Zhengxian Wang
- Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China
| | - Jiankang Lu
- Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China
| | - Chengyi Wu
- Hubei Key Laboratory of Biologic Resources Protection and Utilization, Hubei Minzu University, Enshi 445000, Hubei, PR China; Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China.
| | - Youmeng Dan
- Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China
| | - Guoxiang Li
- Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China
| | - Deyong Wu
- Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China
| | - Sheng Hu
- Department of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, Hubei, PR China
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6
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Cui Y, Xiang Y, Deng Z, Zhang Z, Li L, Wei J, Gui W, Xu Y. Preparation of natural rubber based semi-IPNs superabsorbent and its adsorption behavior for ammonium. Int J Biol Macromol 2020; 166:268-276. [PMID: 33172615 DOI: 10.1016/j.ijbiomac.2020.10.180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 10/23/2022]
Abstract
In this study, a natural rubber (NR) based amphiphilic semi-interpenetrating polymer network (semi-IPN) superabsorbent hydrogel was designed and synthesized with natural rubber-graft-poly (acrylic acid-co-acrylamide) [NR-g-P(AA-co-AM)] network and linear poly (diallyldimethyl ammonium chloride) (PDADMAC). Through a series of characterization and test, the structure, morphology, thermal properties, biodegradation, and swelling properties of NR-g-P(AA-co-AM)/PDADMAC were determined. Subsequently, NR-g-P(AA-co-AM)/PDADMAC was used for ammonium adsorption to remove ammonium nitrogen in aqueous solution. The adsorption behavior of the absorbent was also studied. Results showed that the maximum water absorbency of NR-g-P(AA-co-AM)/PDADMAC was 112.04 ± 6.55 g/g and water retention capacity of soil with the superabsorbent was 115.62 ± 2.08%. The NH4+ adsorption quickly reached equilibrium and the maximum adsorption capacity was 13.02 mmol g-1 calculated from Langmuir isotherm model. The results suggest that the product is efficient for ammonium removal and can be used as water-retaining agents.
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Affiliation(s)
- Yanjun Cui
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China.
| | - Yongsheng Xiang
- Lanzhou Petrochemical Research Center, PetroChina, Lanzhou 730060, China
| | - Zhenpeng Deng
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Zhifang Zhang
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Li Li
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Jia Wei
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Wenjun Gui
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Yumei Xu
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
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7
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Karunarathna MHJS, Hatten ZR, Bailey KM, Lewis ET, Morris AL, Kolk AR, Laib JC, Tembo N, Williams RA, Phillips BT, Ash BL, Midden WR, Ostrowski AD. Reclaiming Phosphate from Waste Solutions with Fe(III)-Polysaccharide Hydrogel Beads for Photo-Controlled-Release Fertilizer. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:12155-12163. [PMID: 31415171 DOI: 10.1021/acs.jafc.9b02860] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Photoresponsive hydrogels from polysaccharides and Fe(III) were used as a new system to capture and release PO43- from waste solutions. Uptake of 0.6-1.5 mg of phosphate per gram of hydrogels was determined from 800 ppm phosphate solutions (pH 4.8-9.0). These beads also captured 1.2 mg g-1 of phosphate from animal waste (raw manure, 727 ppm phosphate, pH 7.6), which accounted for above 80% phosphate uptake. Irradiation of phosphate-loaded hydrogels degraded the gels due to the photochemistry of the Fe(III)-carboxylates, giving controlled phosphate release (∼81% after 7 days). No release (<2% after 7 days) was seen in the dark. Kale plant trials showed complete degradation of the hydrogels in ∼2 weeks under greenhouse conditions. Biomass analysis of kale treated with phosphate-loaded beads compared to controls indicated no signs of toxicity. These results show that Fe(III)-polysaccharide hydrogels were able to reclaim phosphates from waste solutions and can be used as a controlled-release fertilizer.
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Affiliation(s)
- M H Jayan S Karunarathna
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Zachery R Hatten
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Kerri M Bailey
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Evan T Lewis
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Amanda L Morris
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Autumn R Kolk
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Jenna C Laib
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Nathan Tembo
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Richard A Williams
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Benjamin T Phillips
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Bethany L Ash
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - W Robert Midden
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
| | - Alexis D Ostrowski
- Department of Chemistry and Center for Photochemical Sciences , Bowling Green State University , Bowling Green , Ohio 43403 , United States
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8
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Sodium alginate-g-poly(acrylic acid-co-2-hydroxyethyl methacrylate)/montmorillonite superabsorbent composite: Preparation, swelling investigation and its application as a slow-release fertilizer. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2017.10.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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9
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Gu Y, Zhang X, Deal B, Han L. Biological systems for treatment and valorization of wastewater generated from hydrothermal liquefaction of biomass and systems thinking: A review. BIORESOURCE TECHNOLOGY 2019; 278:329-345. [PMID: 30723025 DOI: 10.1016/j.biortech.2019.01.127] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/24/2019] [Accepted: 01/26/2019] [Indexed: 06/09/2023]
Abstract
Hydrothermal liquefaction (HTL) is one of the most promising platforms to valorize diverse biomass. Yet, a large amount of wastewater is produced containing a large amount of recalcitrant substances. Valorization of the refractory wastewater by biological systems to recapture organic matter and nutrients is not only clearly beneficial for the environment but also good for energy recovery. To this end, this study reviews the valorization of HTL wastewater via biological systems from many points of view, starting with the brief characterization of wastewater derived from HTL of diverse biomass. The fundamentals, pros and cons, and the most recent outcomes of numerous biological systems are comprehensively demonstrated with emphasis on their combinations. We then use a systems-thinking concept to shed light on a procedural model exhibiting a new perspective to consolidate the utilization of these systems. Finally, this review elucidates the future perspectives of HTL wastewater valorization.
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Affiliation(s)
- Yexuan Gu
- Department of Landscape Architecture, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA
| | - Xuesong Zhang
- Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, 1 Hazelwood Drive, Champaign, IL 61820, USA; Laboratory of Biomass and Bioprocessing Engineering, College of Engineering, China Agricultural University, Beijing 100083, China.
| | - Brian Deal
- Department of Landscape Architecture, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA
| | - Lujia Han
- Laboratory of Biomass and Bioprocessing Engineering, College of Engineering, China Agricultural University, Beijing 100083, China
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10
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Kong W, Li Q, Li X, Su Y, Yue Q, Gao B. A biodegradable biomass-based polymeric composite for slow release and water retention. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 230:190-198. [PMID: 30286348 DOI: 10.1016/j.jenvman.2018.09.086] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 09/01/2018] [Accepted: 09/23/2018] [Indexed: 06/08/2023]
Abstract
Slow-release fertilizer has been proven to be more effective than traditional fertilizer for providing a long-term stable nutrient supply. Although such fertilizers have been widely investigated, their water-retention properties and biodegradability have not been fully analysed. Composites of fertilizers and polymers provide opportunities to prepare new types of fertilizer with enhanced properties for real applications. Chicken feather protein-graft-poly(potassium acrylate)-polyvinyl alcohol semi-interpenetrating networks forming a super absorbent resin combined with nitrogen (N) and phosphorus (P) (CFP-g-PKA/PVA/NP semi-IPNs SAR) was prepared. The chemically bonded or physically embedded fertilizer compound could be released form the resin matrix to the surrounding soil under irrigation. The synthesis mechanism, morphology, and chemical and mechanical structure of the synthesized composites were investigated. The reactant doses were optimized through response surface methodology (RSM). A 30-day field trial of the prepared SAR was applied to detect the influence of sample particle size, soil salinity, pH, and moisture content on the slow-release behaviour of N and P. The maximum release values of N and P from the composites were 69.46% N and 65.23% P. A 120-day soil burying experiment and 30-day Aspergillus niger (A. niger) inoculation were performed, and the biodegradability and change in microstructure were monitored. The addition of SAR to soil could also improve the water-retention ability of the soil.
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Affiliation(s)
- Wenjia Kong
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
| | - Qian Li
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China.
| | - Xiaodi Li
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
| | - Yuan Su
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China; School of Mathematic and Quantitative Economics, Shandong University of Finance and Economics, Jinan 250100, China
| | - Qinyan Yue
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
| | - Baoyu Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
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11
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Abstract
Slow release fertilizer hydrogels combine fertilizer and hydrogel into one system.
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Affiliation(s)
- Ros Azlinawati Ramli
- Material Technology Program
- Faculty of Industrial Sciences and Technology
- Universiti Malaysia Pahang (UMP)
- Kuantan
- Malaysia
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12
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Leng L, Li J, Wen Z, Zhou W. Use of microalgae to recycle nutrients in aqueous phase derived from hydrothermal liquefaction process. BIORESOURCE TECHNOLOGY 2018; 256:529-542. [PMID: 29459104 DOI: 10.1016/j.biortech.2018.01.121] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 06/08/2023]
Abstract
Hydrothermal liquefaction (HTL) of microalgae biomass generates an aqueous phase (AP) byproduct with limited energy value. Recycling the AP solution as a source of nutrients for microalgae cultivation provides an opportunity for a cost-effective production of HTL based biofuel and algal biomass feedstock for HTL, allowing a closed-loop biofuel production in microalgae HTL biofuel system. This paper aims to provide a comprehensive overview of characteristics of AP and its nutrients recycling for algae production. Inhibitory effects resulted from the toxic compounds in AP and alleviation strategies are discussed.
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Affiliation(s)
- Lijian Leng
- School of Resources, Environmental & Chemical Engineering and Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, China
| | - Jun Li
- School of Resources, Environmental & Chemical Engineering and Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, China
| | - Zhiyou Wen
- School of Resources, Environmental & Chemical Engineering and Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, China; Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, USA
| | - Wenguang Zhou
- School of Resources, Environmental & Chemical Engineering and Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, China.
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13
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Kenawy ER, Azaam MM, El-nshar EM. Preparation of carboxymethyl cellulose-g-poly (acrylamide)/montmorillonite superabsorbent composite as a slow-release urea fertilizer. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4315] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- El-Refaie Kenawy
- Polymer Research Group, Department of Chemistry, Faculty of Science; Tanta University; Tanta Egypt
| | - Mohamed M. Azaam
- Polymer Research Group, Department of Chemistry, Faculty of Science; Tanta University; Tanta Egypt
| | - Esraa M. El-nshar
- Polymer Research Group, Department of Chemistry, Faculty of Science; Tanta University; Tanta Egypt
- Academy of Scientific Research and Technology (ASRT); Cairo Egypt
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14
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Valorisation of post-sorption materials: Opportunities, strategies, and challenges. Adv Colloid Interface Sci 2017; 242:35-58. [PMID: 28256201 DOI: 10.1016/j.cis.2016.12.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 11/18/2016] [Accepted: 12/06/2016] [Indexed: 01/12/2023]
Abstract
Adsorption is a facile, economic, eco-friendly and low-energy requiring technology that aims to separate diverse compounds (ions and molecules) from one phase to another using a wide variety of adsorbent materials. To date, this technology has been used most often for removal/recovery of pollutants from aqueous solutions; however, emerging post-sorption technologies are now enabling the manufacture of value-added key adsorption products that can subsequently be used for (i) fertilizers, (ii) catalysis, (iii) carbonaceous metal nanoparticle synthesis, (iv) feed additives, and (v) biologically active compounds. These new strategies ensure the sustainable valorisation of post-sorption materials as an economically viable alternative to the engineering of other green chemical products because of the ecological affability, biocompatibility, and widespread accessibility of post-sorption materials. Fertilizers and feed additives manufactured using sorption technology contain elements such as N, P, Cu, Mn, and Zn, which improve soil fertility and provide essential nutrients to animals and humans. This green and effective approach to managing post-sorption materials is an important step in reaching the global goals of sustainability and healthy human nutrition. Post-sorbents have also been utilized for the harvesting of metal nanoparticles via modern catalytic pyrolysis techniques. The resulting materials exhibited a high surface area (>1000m2/g) and are further used as catalysts and adsorbents. Together with the above possibilities, energy production from post-sorbents is under exploration. Many of the vital 3E (energy, environment, and economy) problems can be addressed using post-sorption materials. In this review, we summarize a new generation of applications of post-adsorbents as value-added green chemical products. At the end of each section, scientific challenges, further opportunities, and issues related to toxicity are discussed. We believe this critical evaluation not only delivers essential contextual information to researchers in the field but also stimulates new ideas and applications to further advance post-sorbent applications.
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15
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Noruzi M. Electrospun nanofibres in agriculture and the food industry: a review. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2016; 96:4663-4678. [PMID: 27029997 DOI: 10.1002/jsfa.7737] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Revised: 02/05/2016] [Accepted: 03/24/2016] [Indexed: 05/27/2023]
Abstract
The interesting characteristics of electrospun nanofibres, such as high surface-to-volume ratio, nanoporosity, and high safety, make them suitable candidates for use in a variety of applications. In the recent decade, electrospun nanofibres have been applied to different potential fields such as filtration, wound dressing, drug delivery, etc. and a significant number of review papers have been published in these fields. However, the use of electrospun nanofibres in agriculture is comparatively novel and is still in its infancy. In this paper, the specific applications of electrospun nanofibres in agriculture and food science, including plant protection using pheromone-loaded nanofibres, plant protection using encapsulation of biocontrol agents, preparation of protective clothes for farm workers, encapsulation of agrochemical materials, deoxyribonucleic acid extraction in agricultural research studies, pre-concentration and measurement of pesticides in crops and environmental samples, preparation of nanobiosensors for pesticide detection, encapsulation of food materials, fabrication of food packaging materials, and filtration of beverage products are reviewed and discussed. This paper may help researchers develop the use of electrospun nanofibres in agriculture and food science to address some serious problems such as the intensive use of pesticides. © 2016 Society of Chemical Industry.
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Affiliation(s)
- Masumeh Noruzi
- Nanotechnology Department, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. ,
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16
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Parajuli D, Noguchi H, Takahashi A, Tanaka H, Kawamoto T. Prospective Application of Copper Hexacyanoferrate for Capturing Dissolved Ammonia. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b00748] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Durga Parajuli
- Nanomaterials
Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, 305-8565, Japan
| | - Hiromi Noguchi
- Nanomaterials
Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, 305-8565, Japan
| | - Akira Takahashi
- Nanomaterials
Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, 305-8565, Japan
| | - Hisashi Tanaka
- Nanomaterials
Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, 305-8565, Japan
| | - Tohru Kawamoto
- Nanomaterials
Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, 305-8565, Japan
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17
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Qiao D, Liu H, Yu L, Bao X, Simon GP, Petinakis E, Chen L. Preparation and characterization of slow-release fertilizer encapsulated by starch-based superabsorbent polymer. Carbohydr Polym 2016; 147:146-154. [PMID: 27178919 DOI: 10.1016/j.carbpol.2016.04.010] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 03/14/2016] [Accepted: 04/03/2016] [Indexed: 11/19/2022]
Abstract
To enhance the effectiveness of fertilizers, a novel double-coated slow-release fertilizer was developed using ethyl cellulose (EC) as inner coating and starch-based superabsorbent polymer (starch-SAP) as outer coating. For starch-SAPs synthesized by a twin-roll mixer using starches from three botanical origins, a reduced grid size and an increased fractal gel size on nano-scale (i.e., increased stretch of 3D network) contributed to increasing the water absorbing capacity with a reduced absorbing rate and thus improving the slow-release property of fertilizer. The fertilizer particles coated with starch-SAP displayed well slow-release behaviors. In soil, compared to urea particles without and with EC coating, the particles further coated with starch-SAP showed reduced nitrogen release rate, and in particular, those with potato starch-SAP coating exhibited a steady release behavior for a period longer than 96h. Therefore, this work has demonstrated the potential of this new slow-release fertilizer system for improving the effectiveness of fertilizers.
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Affiliation(s)
- Dongling Qiao
- Centre for Polymer from Renewable Resources, South China University of Technology, Guangzhou, PR China; Department of Materials Engineering, Monash University, Clayton, Australia; CSIRO, Manufacturing, Melbourne, Australia
| | - Hongsheng Liu
- Centre for Polymer from Renewable Resources, South China University of Technology, Guangzhou, PR China
| | - Long Yu
- Centre for Polymer from Renewable Resources, South China University of Technology, Guangzhou, PR China; Department of Materials Engineering, Monash University, Clayton, Australia.
| | - Xianyang Bao
- Centre for Polymer from Renewable Resources, South China University of Technology, Guangzhou, PR China
| | - George P Simon
- Department of Materials Engineering, Monash University, Clayton, Australia
| | | | - Ling Chen
- Centre for Polymer from Renewable Resources, South China University of Technology, Guangzhou, PR China
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Mohammadi-Khoo S, Moghadam PN, Fareghi AR, Movagharnezhad N. Synthesis of a cellulose-based hydrogel network: Characterization and study of urea fertilizer slow release. J Appl Polym Sci 2015. [DOI: 10.1002/app.42935] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Shahin Mohammadi-Khoo
- Faculty of Chemistry, Department of Organic Chemistry; University of Urmia; Urmia, Iran
| | | | - Amir Reza Fareghi
- Faculty of Chemistry, Department of Organic Chemistry; University of Urmia; Urmia, Iran
| | - Nasim Movagharnezhad
- Faculty of Chemistry, Department of Organic Chemistry; University of Urmia; Urmia, Iran
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Zhang M, Cheng Z, Zhao T, Liu M, Hu M, Li J. Synthesis, characterization, and swelling behaviors of salt-sensitive maize bran-poly(acrylic acid) superabsorbent hydrogel. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:8867-74. [PMID: 25133321 DOI: 10.1021/jf5021279] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A novel composite hydrogel was prepared via UV irradiation copolymerization of acrylic acid and maize bran (MB) in the presence of composite initiator (2,2-dimethoxy-2-phenylacetophenone and ammonium persulfate) and cross-linker (N,N'-methylenebis(acrylamide)). Under the optimized conditions, maize bran-poly(acrylic acid) was obtained (2507 g g(-1) in distilled water and 658 g g(-1) in 0.9 wt % NaCl solution). Effects of granularity, salt concentration, and various cations and anions on water absorbency were investigated. It was found that swelling was extremely sensitive to the ionic strength and cation and anion type. Swelling kinetics and water diffusion mechanism in distilled water were also discussed. Moreover, the product showed excellent water retention capability under the condition of high temperature or high pressure. The salt sensitivity, good water absorbency, and excellent water retention capability of the hydrogels give this intelligentized polymer wide potential applications.
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Affiliation(s)
- Mingyue Zhang
- College of Chemistry, Jilin University , Changchun 130012, People's Republic of China
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