Processes最新文献_第2页

Regulation Mechanism of Alkanolamines on Hydration and Microstructural Evolution of Thermally Treated Volcanic Rock Powder–Cement System 烷醇胺对热处理火山岩粉-水泥体系水化及微观结构演化的调控机制

4区工程技术

Processes Pub Date : 2025-12-20 DOI: 10.3390/pr14010022

Jingbin Yang, S. Wang, Fanyuan Mu, Zhenping Sun

{"title":"Regulation Mechanism of Alkanolamines on Hydration and Microstructural Evolution of Thermally Treated Volcanic Rock Powder–Cement System","authors":"Jingbin Yang, S. Wang, Fanyuan Mu, Zhenping Sun","doi":"10.3390/pr14010022","DOIUrl":"https://doi.org/10.3390/pr14010022","url":null,"abstract":"Utilizing abundant volcanic rock resources as supplementary cementitious materials is a critical pathway for regional low-carbon construction. However, the high crystallinity of natural volcanic rocks limits their reactivity. This study systematically investigates the regulation mechanisms of Triethanolamine (TEA) and Triisopropanolamine (TIPA) on the hydration kinetics and microstructure of a cement system containing Volcanic Rock Powder (VRP) thermally treated at 700 °C. Dissolution kinetics reveal that both TEA and TIPA inhibit Si release but exhibit distinct structural selectivity in promoting metal ion dissolution: TEA demonstrates superior efficiency in promoting the release of Al and Ca ions due to lower steric hindrance, whereas TIPA exhibits a stronger specific activation capacity for insoluble Fe, which is likely attributed to the electron-donating inductive effect. Macroscopic tests show that TEA at 0.05% dosage significantly improved the 28-day compressive strength by 20.4%, attributed to the synergistic effect of efficient chemical activation and pore structure refinement. In contrast, the stronger surface activity of TIPA introduced substantial detrimental macropores; this deterioration in physical structure severely offset its chemical contributions, leading to slow late-age strength development. The study highlights the critical trade-off between chemical activation and microstructural evolution, confirming that TEA is a more suitable activator than TIPA for the Al/Fe-rich thermally treated VRP.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"14 1","pages":"22-22"},"PeriodicalIF":0.0,"publicationDate":"2025-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.mdpi.com/2227-9717/14/1/22/pdf?version=1766219989","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Kinetics and Thermodynamics of Ultrasound-Assisted Extraction of Taxanes from Taxus chinensis by Natural Deep Eutectic Solvents 天然深共晶溶剂超声辅助提取红豆杉中紫杉烷的动力学和热力学研究

4区工程技术

Processes Pub Date : 2025-12-17 DOI: 10.3390/pr13124074

Ying Guo, Wenna Song, Lingyu Hu, R. P. Liu, Izni Atikah Abd Hamid, Jiaxin Quan

{"title":"Kinetics and Thermodynamics of Ultrasound-Assisted Extraction of Taxanes from Taxus chinensis by Natural Deep Eutectic Solvents","authors":"Ying Guo, Wenna Song, Lingyu Hu, R. P. Liu, Izni Atikah Abd Hamid, Jiaxin Quan","doi":"10.3390/pr13124074","DOIUrl":"https://doi.org/10.3390/pr13124074","url":null,"abstract":"This study aimed to enhance the extraction efficiency and elucidate the mechanism of ultrasound-assisted extraction (UAE) of taxanes from Taxus chinensis by natural deep eutectic solvents (NADES). The processes of kinetics and thermodynamics were systematically investigated. These extractions adhered to a pseudo-second-order kinetic model (R2 > 0.972), with intraparticle diffusion identified as the dominant mechanism. Key parameters such as temperature, ultrasonic power, and solid/liquid ratio significantly improved the effective diffusion coefficient (De) and mass transfer coefficient (KT), reaching values of 6.21 × 10−9 m2/s and 4.14 × 10−3 m/s, respectively. A high Biot number (Bi > 59.21) confirmed that internal diffusion is the rate-determining step. Thermodynamic analysis indicated that the process is endothermic (ΔH > 0), irreversible (ΔS > 0), and spontaneous (ΔG < 0). These results elucidate the underlying mechanisms of UAE and establish a foundational framework for its industrial-scale implementation.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"4074-4074"},"PeriodicalIF":0.0,"publicationDate":"2025-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.mdpi.com/2227-9717/13/12/4074/pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147877303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

A Review of Lignocellulosic Biomass Alkaline Delignification: Feedstock Classification, Process Types, Modeling Approaches, and Applications 木质纤维素生物质碱性脱木质素研究进展：原料分类、工艺类型、建模方法及应用

4区工程技术

Processes Pub Date : 2025-12-14 DOI: 10.3390/pr13124038

Johnnys A. Bustillo, Alma Nouar, Andrés Aldana Rico, Jorge Mario Mendoza Fandiño, Antonio Bula

{"title":"A Review of Lignocellulosic Biomass Alkaline Delignification: Feedstock Classification, Process Types, Modeling Approaches, and Applications","authors":"Johnnys A. Bustillo, Alma Nouar, Andrés Aldana Rico, Jorge Mario Mendoza Fandiño, Antonio Bula","doi":"10.3390/pr13124038","DOIUrl":"https://doi.org/10.3390/pr13124038","url":null,"abstract":"Alkaline delignification is a keystone pretreatment that governs carbohydrate accessibility, energy use, and yields across pulp and biorefinery value chains, yet its kinetic understanding remains fragmented and largely confined to bench-scale studies. This review provides an integrated assessment of the evolution and current state of kinetic approaches applied to alkaline delignification of lignocellulosic biomass, aiming to bridge academic research and industrial application. A systematic review following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta Analyses) guidelines identified 74 peer-reviewed articles and 359 patents published between 1995 and 2025. Kinetic models were classified into conventional (nth-order and pseudo-first-order) and emerging categories (Avrami/Š–B, diffusion-based, mechanistic multistep, isoconversional, and ML/statistical). The results show that pseudo-first-order kinetics and batch-scale studies dominate the literature, while pilot-scale validation and hybrid mechanistic data-driven frameworks remain limited. Patent analysis revealed technological convergence within D21C and C08B IPC domains, reflecting growing industrial interest in alkaline pulping and cellulose valorization. Unlike previous reviews, this work uniquely integrates conventional and emerging kinetic models with a patent-based technological perspective, providing a unified view of academic and industrial progress. The insights presented here provide a foundation for advancing future research, particularly by encouraging the development of standardized experimental protocols and the validation of kinetic models across multiple scales. Moreover, this review provides a consolidated reference for both academic researchers and industrial practitioners seeking to enhance delignification efficiency, reduce reagent consumption, and improve the sustainability of biorefinery processes.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"4038-4038"},"PeriodicalIF":0.0,"publicationDate":"2025-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147882003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Sustainable Strategy for Co-Melting of Electroplating Sludge and Coal Gasification Slag: Metals Recovery and Vitrified Product Valorization 电镀污泥与煤气化渣共熔的可持续发展策略：金属回收与玻璃化产品的增值

4区工程技术

Processes Pub Date : 2025-12-05 DOI: 10.3390/pr13123935

Wei Leng, Nengwu Zhu, Fei Li, Xiaorong Wei, Sihai Zhang, Wanqi Li, Pingxiao Wu

{"title":"A Sustainable Strategy for Co-Melting of Electroplating Sludge and Coal Gasification Slag: Metals Recovery and Vitrified Product Valorization","authors":"Wei Leng, Nengwu Zhu, Fei Li, Xiaorong Wei, Sihai Zhang, Wanqi Li, Pingxiao Wu","doi":"10.3390/pr13123935","DOIUrl":"https://doi.org/10.3390/pr13123935","url":null,"abstract":"The high concentrations of heavy metals in electroplating sludge (ES) result in its dual properties as both hazardous waste and a potential secondary resource. Effective strategies are urgently needed for the simultaneous detoxification and utilization of ES. In this study, a sustainable strategy for co-melting of ES and coal gasification slag (CGS) was proposed. By optimizing the mass ratio of ES to CGS (m(ES)/m(CGS) = 1) and adding 7.5 wt% B2O3, a low-temperature vitrification system was established at 1250 °C, enabling the recovery of 97.31 ± 0.61% Cu, 99.17 ± 0.43% Ni, and 81.84 ± 0.33% Fe in the alloy phase within 90 min. Melt structure analysis indicated that CaO and [BO3] promoted the depolymerization of the silicate network, facilitating the amorphous phase transition and enhancing fluidity. Meanwhile, residual carbon from CGS functioned as a reductant, reducing metal minerals in the mixture to form alloys that were simultaneously separated during co-melting. Compared with the raw sample, heavy metals in the vitrified product were effectively immobilized, exhibiting low risk of heavy metal leaching. Furthermore, high-value-added glass-ceramic materials were successfully prepared from the vitrified product. Therefore, the proposed strategy could serve as a sustainable solution for the treatment of ES and CGS.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"3935-3935"},"PeriodicalIF":0.0,"publicationDate":"2025-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147900371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative Experimental Study on Hydrolysis of Cellulose by Plasma Acid 血浆酸水解纤维素的对比实验研究

4区工程技术

Processes Pub Date : 2025-12-02 DOI: 10.3390/pr13123890

Weidong Zhao, Yi Sun, Weijun Zhang, Yongsheng Fan, Junfeng Wang

{"title":"Comparative Experimental Study on Hydrolysis of Cellulose by Plasma Acid","authors":"Weidong Zhao, Yi Sun, Weijun Zhang, Yongsheng Fan, Junfeng Wang","doi":"10.3390/pr13123890","DOIUrl":"https://doi.org/10.3390/pr13123890","url":null,"abstract":"The key technological step in realizing the energy utilization of cellulose lies in the hydrolysis of cellulose into glucose. To achieve clean and efficient energy utilization of cellulose, this study innovatively proposes a technical approach of plasma acid synchronous catalytic hydrolysis of cellulose, which breaks through the limitations of conventional stepwise acid-production hydrolysis and enables the simultaneous generation of acid and hydrolysis of cellulose within the same reaction system. The effects of operating voltage, discharge gap, and reaction time on hydrolysis efficiency were systematically investigated, and a comparative study was conducted on the hydrolysis performance between the synchronous method and the two-step method. The results indicate that within the same reaction duration, the synchronous method demonstrates a significantly higher cellulose conversion rate. Specifically, at a reaction time of 60 min, the average conversion rate of the synchronous method is approximately 32.8% higher than that of the two-step method, while the average specific energy consumption is only 16.7% of the latter. Mechanism analysis reveals that the high-energy electrons and H+ generated by plasma discharge effectively facilitate efficient energy transfer to cellulose molecules, significantly reducing the activation energy of the hydrolysis reaction. This process accelerates the efficient release of glucose units, thereby enabling faster hydrolysis at lower energy consumption.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"3890-3890"},"PeriodicalIF":0.0,"publicationDate":"2025-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147900323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydraulic Performance of Sodium Carboxymethyl Cellulose-Amended Bentonite in Vertical Cutoff Walls for Containing Acid Mine Drainage 羧甲基纤维素钠改性膨润土在含酸性矿井排水垂直截流墙中的水力性能

4区工程技术

Processes Pub Date : 2025-11-30 DOI: 10.3390/pr13123866

Xingling Dong, Wang Bao, Yuekai Hu

{"title":"Hydraulic Performance of Sodium Carboxymethyl Cellulose-Amended Bentonite in Vertical Cutoff Walls for Containing Acid Mine Drainage","authors":"Xingling Dong, Wang Bao, Yuekai Hu","doi":"10.3390/pr13123866","DOIUrl":"https://doi.org/10.3390/pr13123866","url":null,"abstract":"Sodium carboxymethyl cellulose (Na-CMC) was used to improve the chemical compatibility of natural sodium bentonite (NaB) used in vertical cutoff walls for containing acid mine drainage (AMD). Ab Na-CMC content from 2% to 15% was examined to determine the minimum Na-CMC content of sodium carboxymethyl cellulose-amended bentonite (CMCAB) needed to yield a low hydraulic conductivity (<10−9 m/s). Hydraulic conductivity (k), swell index, viscosity, XRD spectra, FT-IR spectra, and microstructures were measured for CMCAB to assess the hydraulic performance of CMCAB for containing AMD and to elucidate the mechanism of reduced k due to the addition of Na-CMC. The results show that the k of CMCAB decreased with the increase in Na-CMC content and stress. A 10% or higher content of Na-CMC is required to reduce the k of NaB down to 10−9 m/s. Na-CMC did not impact the interlayer structure of NaB but increased the viscosity of CMCAB. CMCAB with increased viscosity retained the Na-CMC within the pore spaces, narrowing the flow paths for AMD and yielding low k.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"3866-3866"},"PeriodicalIF":0.0,"publicationDate":"2025-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.mdpi.com/2227-9717/13/12/3866/pdf?version=1764637696","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147904191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Study on Enhanced Oil Recovery and Microscopic Mechanisms in Low-Permeability Reservoirs Using Nano-SiO2/CTAB System 纳米sio2 /CTAB体系提高低渗透油藏采收率及微观机理研究

4区工程技术

Processes Pub Date : 2025-11-29 DOI: 10.3390/pr13123862

Tingting Cheng, Jinyi Wang, Huaizhu Liu, Jun Ding, Yuting Ren, Xinhao Gong

{"title":"Study on Enhanced Oil Recovery and Microscopic Mechanisms in Low-Permeability Reservoirs Using Nano-SiO2/CTAB System","authors":"Tingting Cheng, Jinyi Wang, Huaizhu Liu, Jun Ding, Yuting Ren, Xinhao Gong","doi":"10.3390/pr13123862","DOIUrl":"https://doi.org/10.3390/pr13123862","url":null,"abstract":"In the field of enhanced oil recovery in low-permeability reservoirs, the application of nanomaterials has attracted widespread attention. However, conventional nanomaterials exhibit issues such as large particle size and poor dispersion stability. This study selected SiO2 nanoparticles with a particle size of 10 nm and combined them with 12 types of commonly used oilfield surfactants. After aging at 120 °C for 48 h, using dispersion stability and interfacial tension (IFT) as evaluation criteria, hexadecyltrimethylammonium bromide (CTAB) was ultimately identified as the optimal modifier. The structure and morphology of the SiO2 particles were characterized in detail using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), and transmission electron microscopy (TEM). The system evaluated the dispersion stability of nanofluids before and after modification, as well as the interfacial properties (IFT reduced to the 10−1 mN/m range) and wettability (oil-wet surfaces reversed to strongly water-wet, with contact angles decreasing to 30°) of nanofluids with different modification degrees. Considering economic factors, the modified nano-SiO2 system with a ratio of 1:0.5 was selected. Microvisualization experiments revealed that the modified nanoscale system achieves residual oil displacement through three mechanisms: emulsification (reducing residual oil droplet size to enhance mobility), wetting reversal (lowering contact angle to weaken adhesion), and structural separation pressure (counteracting capillary forces to destabilize residual oil). Displacement experiments reveal that in rock cores with permeability ranging from 1 to 100 mD, the modified system exhibits a recovery rate trend that initially increases and then decreases. Nevertheless, it consistently enhances recovery rates, maintaining them above 12%, demonstrating strong application potential.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"3862-3862"},"PeriodicalIF":0.0,"publicationDate":"2025-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Natural Carboxylic Acid Deep Eutectic Solvents: Properties, Bioactivities and Walnut Green Peel Flavonoid Extraction 天然羧酸型深共熔溶剂：性质、生物活性及核桃绿皮类黄酮提取

4区工程技术

Processes Pub Date : 2025-11-21 DOI: 10.3390/pr13123763

Lei Gong, Lili Yue, Menghao Li, Qilong Chen, Xuan Liu, Daming Gao, Junli Ren, Nan Zhang, Jie Zhu

{"title":"Natural Carboxylic Acid Deep Eutectic Solvents: Properties, Bioactivities and Walnut Green Peel Flavonoid Extraction","authors":"Lei Gong, Lili Yue, Menghao Li, Qilong Chen, Xuan Liu, Daming Gao, Junli Ren, Nan Zhang, Jie Zhu","doi":"10.3390/pr13123763","DOIUrl":"https://doi.org/10.3390/pr13123763","url":null,"abstract":"Novel green solvents are a key focus in green chemistry, and deep eutectic solvents (DESs) are promising sustainable solvents. This study systematically examined the physicochemical properties (water content, polarity, conductivity, Kamlet-Taft parameters, and viscosity) of ten carboxylic acid-based DESs (CADESs). It also evaluated their antibacterial activity against representative Gram-positive (Staphylococcus aureus and Enterococcus faecalis) and Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa). The antibacterial activity of CADESs is closely related to low pH values, hydrogen bond donor properties, and the destructive effect on bacterial cell membranes. antioxidant properties via ABTS, DPPH scavenging assays and Fe2+ chelating assays, and phytotoxicity through mung bean tests. When used to extract flavonoids from walnut peel, the choline chloride/levulinic acid system with 30% water achieved the highest yield of 112.8 mg RE·g−1 DW. Therefore, CADESs show great potential as green solvents for flavonoid extraction in sustainable technologies.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 12","pages":"3763-3763"},"PeriodicalIF":0.0,"publicationDate":"2025-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.mdpi.com/2227-9717/13/12/3763/pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147906533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Green and Controllable Crosslinked Gel Plugging Technology Based on Modified Natural Biofibers 基于改性天然生物纤维的绿色可控交联凝胶堵塞技术

4区工程技术

Processes Pub Date : 2025-11-20 DOI: 10.3390/pr13113743

Zhe Ma, Junyi Liu

{"title":"Green and Controllable Crosslinked Gel Plugging Technology Based on Modified Natural Biofibers","authors":"Zhe Ma, Junyi Liu","doi":"10.3390/pr13113743","DOIUrl":"https://doi.org/10.3390/pr13113743","url":null,"abstract":"To overcome the limited mechanical strength and poor stability of conventional gels in high-temperature, high-salinity oilfield environments, a novel nanocellulose-reinforced hydrogel (AM/AA/PCNF) was developed through a multistep chemical modification strategy. Nanocellulose served as a rigid backbone and was successively modified via epoxide ring-opening, methacryloyl esterification, and polydopamine functionalization, forming a three-dimensional network with multiple dynamic crosslinking interactions. The resulting composite hydrogel exhibited outstanding comprehensive properties when the PCNF content was 3 wt%: a tensile strength of 2.6 MPa, fracture energy of 8.95 MJ/m3, and compressive strength of 360 kPa—all markedly superior to those of conventional hydrogel systems. Under simulated downhole conditions (120 °C, 6 MPa, and 5 wt% salinity), the hydrogel demonstrated excellent plugging performance across sand beds of varying particle sizes (60–80 mesh to 20–40 mesh), maintaining cumulative fluid loss within 28.4–42.5 mL. Mechanistic investigations indicate that the enhanced performance stems from the synergistic combination of a rigid nanocellulose scaffold and multiple dynamic interactions, which facilitate a self-adaptive plugging mechanism. The study delivers both theoretical and practical foundations for designing advanced plugging systems.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 11","pages":"3743-3743"},"PeriodicalIF":0.0,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.mdpi.com/2227-9717/13/11/3743/pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147892545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization of Green Extraction of Antioxidant Compounds from Blackthorn Pomace (Prunus spinosa L.) Using Natural Deep Eutectic Solvents (NADES) 黑刺果渣中抗氧化化合物的绿色提取工艺优化使用天然深共晶溶剂（NADES）

4区工程技术

Processes Pub Date : 2025-11-19 DOI: 10.3390/pr13113737

Sara Hourani, Jelena Vukosavljević, Nemanja Teslić, Ružica Ždero Pavlović, Boris M. Popović, Branimir Pavlić

{"title":"Optimization of Green Extraction of Antioxidant Compounds from Blackthorn Pomace (Prunus spinosa L.) Using Natural Deep Eutectic Solvents (NADES)","authors":"Sara Hourani, Jelena Vukosavljević, Nemanja Teslić, Ružica Ždero Pavlović, Boris M. Popović, Branimir Pavlić","doi":"10.3390/pr13113737","DOIUrl":"https://doi.org/10.3390/pr13113737","url":null,"abstract":"Blackthorn (Prunus spinosa L.) is a wild, understudied plant rich in bioactive compounds such as polyphenols with designated antioxidant potential. The main objective of this research was to optimize ultrasound-assisted extraction of blackthorn pomace using natural deep eutectic solvents (NADES). To obtain the highest yield of polyphenols and improved in vitro antioxidant activity, response surface methodology (RSM) and central composite experimental design were used. The screening step of the study included ten different NADESs using a one-factor-at-a-time approach. Two NADES mixtures (N12, containing proline and lactic acid in a molar ratio of 1:2, and N14, containing choline chloride and glycerol in a molar ratio of 1:1) were chosen for the second step of the study, which aimed to select the most influential process parameters. A fractional factorial 25−1 design was used, varying five different parameters at two levels: extraction time (30 and 60 min), extraction temperature (40 and 50 °C), and liquid-to-solid ratio (10 and 20 mL/g), water content in NADES (15 and 20%), and NADES type (N12 and N14). After the second step, N12 containing 20% water was chosen as the most potent solvent for the optimization study. For the final step, the other three parameters were varied on three levels, and thus optimal conditions were obtained (extraction time 90 min, extraction temperature 65 °C, and liquid-to-solid ratio 22.65 mL/g). Blackthorn juice was also tested in the first step, as well as under optimal conditions established for pomace, in order to evaluate whether these conditions are suitable for juice and to determine the percentage of improvement in extraction efficiency.","PeriodicalId":20597,"journal":{"name":"Processes","volume":"13 11","pages":"3737-3737"},"PeriodicalIF":0.0,"publicationDate":"2025-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147922382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3