Chinese Journal of Chemical Engineering最新文献

{"title":"Comparative techno–economic and environmental assessment of hydrogen–to–carbon ratio adjustment strategies in biogas to methanol processes","authors":"Xuebin Luan,&nbsp;Zhiyu Jiao,&nbsp;Yufei Wang,&nbsp;Congcong Niu,&nbsp;Xuandong Liu,&nbsp;Run Xu,&nbsp;Guofu Xia,&nbsp;Hongwei Li,&nbsp;Le Zhang,&nbsp;Jiaze Ma","doi":"10.1016/j.cjche.2026.03.029","DOIUrl":"10.1016/j.cjche.2026.03.029","url":null,"abstract":"<div><div>This study investigates biogas as a renewable feedstock for green methanol production and compares three hydrogen–to–carbon (H/C) ratio adjustment strategies: (I) CO₂ removal before reforming, (II) CO₂ removal after reforming, and (III) green hydrogen supplementation. Each route is evaluated using high–fidelity process simulations, techno–economic analysis, and life cycle assessment. Route II achieves the lowest minimum selling price (419 USD·t⁻¹ at a capacity of 100 kt·a⁻¹) and lowest net greenhouse gas (GHG) emissions (144 kg CO₂ per tonne of methanol), due to superior energy efficiency and carbon utilization. Route III offers the highest production yield but depends heavily on low–cost green hydrogen. Our findings identify optimal pathways for deploying biogas–to–methanol technologies under varying economic and policy conditions.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 375-384"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148573659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Controllable self-biodegradation of polycaprolactone/polyurethane composite sutures enabled by random heteropolymers-immobilized lipase","authors":"Jianqi Lu,&nbsp;Lingling Fan,&nbsp;Yihu Wang,&nbsp;Xiaoli Zhou,&nbsp;Yujia Peng,&nbsp;Weiliang Dong,&nbsp;Min Jiang","doi":"10.1016/j.cjche.2026.02.006","DOIUrl":"10.1016/j.cjche.2026.02.006","url":null,"abstract":"<div><div>Current absorbable sutures face challenges in matching heterogeneous tissue healing timelines, leading to postoperative complications from delayed degradation. Thus, self-biodegradable polycaprolactone/polyurethane (PCL/PU) composite sutures <em>via</em> electrospinning, incorporating <em>Burkholderia cepacia</em> lipase (BCL) stabilized by random heteropolymers (RHP) was developed in this research. RHP can maintain BCL activity retention at 40%–90% in organic solvents. The PCL70/PU30 suture exhibited optimal mechanics (tensile strength was (28.44 ± 1.25) MPa and Young’s modulus was (42.43 ± 5.3) MPa), following the incorporation of the BCL-RHP complex, the suture’s key mechanical properties were largely maintained and remained within the range compatible with typical suture applications. Enzyme-loading gradients (0.05%–0.5% (mass)) enabled precise degradation control. 0.5% (mass) enzyme-loaded sutures fully disintegrated spontaneously in simulated wound fluid within 15 days, this timeframe aligns with the typical epidermal healing cycle (approximately 2 weeks), suggesting the potential for achieving dynamic degradation-healing synchronization <em>in vivo</em>. In addition, functionalization of self-biodegradable composite sutures was achieved by embedding thymol for synergistic bioactivity. Thymol achieved a cumulative release of 86.76% ± 1.34% over 120 h, endowing the self-biodegradable composite sutures with sustained antioxidant (79.85% ABTS⁺ scavenging rate) and antibacterial activity (significantly suppressing the growth of <em>Staphylococcus aureus</em>). Concurrently, the self-biodegradable composite sutures demonstrated favorable cytocompatibility in L929 fibroblast cell. The RHP-enabled enzyme stabilization strategy overcomes clinical-ecological limitations of conventional sutures, offering programmable degradation and multifunctionality for precision medicine.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 139-150"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148573729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Data-driven robust optimization for integrated refinery planning and blending scheduling under multi-mode uncertainty","authors":"Wenhao Yu,&nbsp;Xin Dai,&nbsp;Yuanhang Yue,&nbsp;Xinwei Lin,&nbsp;Minglei Yang","doi":"10.1016/j.cjche.2026.02.007","DOIUrl":"10.1016/j.cjche.2026.02.007","url":null,"abstract":"<div><div>Integrating refinery planning and product blending scheduling under uncertainty is challenging due to multi-mode operating conditions and mismatched temporal scales. This work proposes a bilevel optimization framework that explicitly coordinates long-term refinery planning with short-term blending scheduling. To represent mode-dependent uncertainty in blending behavior, a data-driven robust optimization (DDRO) strategy is developed, in which mode-associated uncertainty sets are constructed from historical data using a multi-stage clustering (MSC) algorithm combined with weighted support vector machines (SVM). This enables uncertainty modeling that is adaptive to operating modes and less conservative than conventional holistic robust approaches. To solve the resulting bilevel robust model efficiently, a robust-buffer-based decomposition (RBD) algorithm is proposed, which iteratively introduces a specification buffer at the planning level to preserve scheduling feasibility under uncertainty. In the case study, the proposed multi-mode robust framework improves the net profit by approximately 1.0% compared to holistic robust model, while maintaining 100% feasibility in quality constraints and reducing computational time by more than 50% relative to the single-level formulation. These results demonstrate that the proposed framework effectively balances economic performance, robustness, and computational tractability in integrated refinery planning and scheduling.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 175-193"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148573730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Density functional theory study of carbon-based bifunctional oxygen electrode catalysts with double Yb atoms linked via N/N-N coordination under different vacancy defect doping conditions","authors":"Songmao Liu,&nbsp;Haiyan Liu,&nbsp;Yingting Zhao,&nbsp;Haohao Ling,&nbsp;Xiunan Lai,&nbsp;Xunjun Chen,&nbsp;Chao Liu","doi":"10.1016/j.cjche.2026.03.008","DOIUrl":"10.1016/j.cjche.2026.03.008","url":null,"abstract":"<div><div>Based on density functional theory (DFT) calculations, this study systematically investigates the stability and bifunctional catalytic activity (ORR/OER) of Ytterbium (Yb) dual-atom catalysts anchored on graphene with diverse vacancy defects (including single, double, and quadruple vacancies). Beyond structural screening, our analysis reveals that the specific N/N-N coordination linkage induces a robust synergistic interaction between the adjacent Yb atoms, conferring a distinct intrinsic advantage over single-atom analogues. Furthermore, surface functionalization with axial hydroxyl (OH) ligands is demonstrated to effectively modulate the electronic structure and optimize the adsorption energetics of reaction intermediates. Benefiting from this dual-optimization mechanism involving coordination synergy and surface electronic modulation, the identified candidates deliver exceptional bifunctional performance, achieving ultralow overpotentials of 0.30 V for ORR and 0.28 V for OER. This study provides valuable theoretical guidance for the rational design of efficient rare-earth dual-atom catalysts by leveraging coordination synergy and surface functionalization.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 151-161"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148573731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oil hydrogenation in a HiGee-aided fixed bed reactor: Process intensification and macro-kinetic model","authors":"Si-Qiang Fan,&nbsp;Yong-Rui Xu,&nbsp;Jun-Kai Zhang,&nbsp;Hua Li,&nbsp;Yuan-Bing Xi,&nbsp;Chen Zhang,&nbsp;Lan Jiang,&nbsp;Yong Luo,&nbsp;Jian-Feng Chen","doi":"10.1016/j.cjche.2026.02.011","DOIUrl":"10.1016/j.cjche.2026.02.011","url":null,"abstract":"<div><div>Vacuum gas oil (VGO), an important raw material for catalytic cracking and hydrocracking units, undergoes hydrogenation process to remove sulfur and nitrogen compounds. However, the VGO hydrogenation process is limited by the gas-liquid mass transfer, resulting in a low reaction rate and high energy consumption. In this work, a HiGee-aided fixed bed reactor (HFBR) with excellent mass transfer performance has been developed and applied for VGO hydrogenation. The bed structure of HFBR was optimized and the effects of operating conditions on VGO hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) efficiency were investigated. Compared with fixed bed reactor at equivalent removal efficiency, pressure in HFBR was reduced by 5% to 15% and H/O ratio was lowered by 35% to 60%. The macro-kinetic models for HDS and HDN of VGO were established and the deviations between the calculated and experimental values were within ±20%. This study provides guidance for the reactor design and process optimization of VGO hydrogenation.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 240-251"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148588613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"SiO2-AlO(OH) composite-loaded gold nanoparticles catalyze the oxidative esterification reaction of 5-hydroxymethylfurfural","authors":"Hailin Zhang,&nbsp;Xianjie Li,&nbsp;Changcheng Zhang,&nbsp;Yaping Liu,&nbsp;Xiaomin Qiu,&nbsp;Meng Xiao,&nbsp;Tingting Huang,&nbsp;Quanhong Zhu,&nbsp;Zhijie Shang,&nbsp;Hongbing Song","doi":"10.1016/j.cjche.2026.01.021","DOIUrl":"10.1016/j.cjche.2026.01.021","url":null,"abstract":"<div><div>5-Hydroxymethylfurfural (HMF) is a highly valuable platform compound derived from cellulose, enabling the synthesis of various premium chemical products through oxidative esterification, including dimethyl 2,5-furanedicarboxylate (FDMC). This process finds widespread applications across numerous industries. By adjusting the Si/Al ratio, we prepared diverse catalyst carriers and utilized the urea precipitation method to fabricate various catalysts with a low gold loading of 1% (mass). These catalysts were subsequently characterized by a range of analytical techniques. Notably, the Au/SiO₂-AlO(OH)-3 catalyst, characterized by its large specific surface area and abundant pore size, facilitated the highly dispersed presence of gold on the catalyst surface, exhibiting the best catalytic performance. Specifically, the Au/SiO₂-AlO(OH)-3 catalyst demonstrated high efficiency, achieving 99.9% HMF conversion and 95.2% FDMC yield at a 0.25 mmol scale of HMF within 6 h under 0.1 equivalent Na₂CO₃. This study proposes a mechanistic scheme for the conversion of HMF to FDMC <em>via</em> Au/SiO₂-AlO(OH)-3-catalyzed oxidative esterification. Furthermore, free radical inhibition experiments were conducted, and the results indicated that superoxide anion radicals play a significant role in the HMF oxidative esterification reaction. We also performed a series of substrate extensions, confirming the catalyst's excellent oxidative esterification effect on a wide range of substrates, including aromatic aldehydes and alcohols. These findings are expected to facilitate the development of oxidative esterification reactions of biomass-derived platform compounds.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 207-216"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148588615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bio-templated and 3D-printed hierarchical NaY zeolite monolith for efficient and recyclable CO2 adsorption","authors":"Jiahao Wu ,&nbsp;Mengxuan Wei ,&nbsp;Yikun Zhou ,&nbsp;Jiawei Lin ,&nbsp;Jing Zhang ,&nbsp;Shiyue Kang ,&nbsp;Zining Zhou ,&nbsp;Jian Tian ,&nbsp;Guowu Zhan","doi":"10.1016/j.cjche.2026.02.009","DOIUrl":"10.1016/j.cjche.2026.02.009","url":null,"abstract":"<div><div>This study presents a systematic approach for synthesizing hierarchical bio-NaY zeolite using rice husk-derived silica (bio-SiO₂) as structural and compositional templates. The incorporation of bio-SiO₂ significantly increases mesoporous volume and optimizes the distribution of Lewis acid-base pairs within the zeolite framework. Comparative analysis demonstrates a marked improvement in CO₂ adsorption capacity for the bio-NaY zeolite (147.3 mg·g⁻¹) over conventional NaY (138.3 mg·g⁻¹). ZLC experimental results reveal that this enhancement is attributed to a dual mechanism: (i) the bio-SiO₂ template promotes the formation of a hierarchical pore system, improving mass transport; and (ii) it enhances the accessibility and exposure of active sites, facilitating CO₂ capture and intraparticle diffusion. Molecular dynamics simulations further reveal that the (100) crystallographic plane exhibits superior CO₂ adsorption affinity, kinetics, and selectivity compared to the (001) plane. Additionally, the integration of 3D printing technology enables the fabrication of mechanically robust monoliths (3D-bio-NaY), simplifying adsorbent handling and regeneration. These 3D-printed structures exhibit exceptional cyclic stability, retaining nearly 100% of their initial CO₂ capture capacity over eight consecutive cycles. The findings provide deep insights into the structure-property relationships of hierarchical zeolite and advance the design of efficient adsorbents for industrial CO₂ capture applications.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"95 ","pages":"Pages 69-79"},"PeriodicalIF":3.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148402834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanism and performance of Fluoride’s removal using hydrochar modified by different loadings of aluminum source","authors":"Fuqiang Xu ,&nbsp;Miao Gong ,&nbsp;Piao Liu ,&nbsp;Qiao Xu ,&nbsp;Ying Su ,&nbsp;Yujie Fan ,&nbsp;Shuai Guo","doi":"10.1016/j.cjche.2025.12.047","DOIUrl":"10.1016/j.cjche.2025.12.047","url":null,"abstract":"<div><div>The present study prepared aluminum-functionalized hydrochars through a single-step hydrothermal carbonization reaction of sewage sludge using various Al precursors (namely AlCl₃, Al₂(SO₄)₃, Al(NO₃)₃, Al(OH)₃, and Al₂O₃). We found that ligand properties and hydrolysis pathways determine the formation of Al(OH)₃/AlOOH and low-reactivity Al₂O₃ regions, thereby regulating the density and accessibility of surface Al—OH sites and thus affecting fluoride binding. X-ray photoelectron spectroscopy (XPS) analysis revealed that Cl⁻, by forming [AlCl(H₂O)₅]²⁺ species through coordination, retarded the hydrolysis kinetics and promoted the synergistic formation of Al(OH)₃ (39.04%) and AlOOH (47.52%). Conversely speaking, <span><math><mrow><msubsup><mtext>SO</mtext><mn>4</mn><mrow><mn>2</mn><mo>−</mo></mrow></msubsup></mrow></math></span> induced the oriented growth of layered hydroxides through a templating effect, while the weak coordination capability of NO₃⁻ led to dehydroxylation and the predominant formation of inert Al₂O₃ (20.92%) with low —OH functionality. Under optimized conditions (30% AlCl₃), organic decomposition increased BET surface area to 111.54 m²·g⁻¹ (44% over unmodified hydrochar), yielding Langmuir capacity of 24.10 mg·g⁻¹ (10-fold enhancement) <em>via</em> pseudo-second-order kinetics and Freundlich isotherms. Fluoride sequestration primarily occurred through hydroxyl-fluoride ligand exchange, which was augmented by electrostatic interactions and mesoporous confinement. The hydrochar retained 70% capacity over five cycles, with anion interference followed the order: <span><math><mrow><msubsup><mtext>SO</mtext><mn>4</mn><mrow><mn>2</mn><mo>−</mo></mrow></msubsup></mrow></math></span> &gt;<span><math><mrow><msubsup><mtext>NO</mtext><mn>3</mn><mo>−</mo></msubsup></mrow></math></span> &gt;<span><math><mrow><msubsup><mtext>PO</mtext><mn>4</mn><mrow><mn>3</mn><mo>−</mo></mrow></msubsup></mrow></math></span> &gt;Cl⁻. These findings highlight the potential of aluminum-modified hydrochar for efficient removal of fluoride from aqueous solutions and resource valorization of sewage sludge.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"94 ","pages":"Pages 44-59"},"PeriodicalIF":3.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148170104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Constructing binder-free Bi2O3@nitrogen-doped carbon nanotubes aerogel cathodes to boost polyiodide conversion kinetics by Bi-N bonds","authors":"Jiajun Wan ,&nbsp;Jiyang Tian ,&nbsp;Qian Zhang ,&nbsp;Jie Liu","doi":"10.1016/j.cjche.2026.01.018","DOIUrl":"10.1016/j.cjche.2026.01.018","url":null,"abstract":"<div><div>Developing renewable green energy is one of key approaches to achieve dual carbon goals, which is supported by high-efficiency energy storage technologies. Aqueous Zn-I₂ batteries (AZIBs) are quite promising grid energy storage systems due to their intrinsic safety and low cost, but are plagued by polyiodide shuttling and sluggish conversion kinetics. To tackle the issues, a binder-free Bi₂O₃@N-CNTs aerogel electrode with hierarchical pore structure has been developed, featured by Bi₂O₃ nanoparticles embedded in the N-doped CNTs matrix. Removing of polymer binder not only reduces the inactive component in the electrode but also avoids covering active sites. Notably, polyiodide affinity and catalytic capability of novel Bi₂O₃ electrocatalyst can be enhanced significantly <em>via</em> the formation of Bi–N bonds, which has been demonstrated by the X-ray photoelectron spectroscopy and systematic electrochemical tests. The resultant AZIB demonstrates superior cycling stability, maintaining a capacity of 148.7 mA·h·g⁻¹ after 5000 cycles with a high capacity retention of 87.1%. Specially, the high-loading pouch cell can also deliver a stable capacity of 2·mA·h over 40 cycles with an areal loading of 10 mg·cm⁻², highlighting the practicality of the Bi₂O₃@N-CNTs aerogel electrode.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"94 ","pages":"Pages 128-137"},"PeriodicalIF":3.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148170012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temperature-dependent fluidization behavior of silica sand in a deep bubbling fluidized bed","authors":"Ali Can Sivri ,&nbsp;Amoolya Lalsare ,&nbsp;Xi Gao","doi":"10.1016/j.cjche.2025.11.029","DOIUrl":"10.1016/j.cjche.2025.11.029","url":null,"abstract":"<div><div>This study investigates the impact of temperature on the fluidization behavior of a bench-scale deep fluidized bed using Group B silica sand particles as the material. Covering a temperature range of 200 °C to 800 °C, the experiments employed a transparent cold flow rig for visualizing bed behavior and a bench-scale bubbling fluidized bed reactor for pressure drop measurements at elevated temperatures. Pressure differentials over the distributor plate and bed were measured at two different bed aspect ratios (3.33 and 4.83). Results show that increasing temperature from ambient to 800 °C led to a significant reduction in the minimum fluidization velocity (<em>U</em>_mf), by 27% for 200 g and 35% for 300 g bed materials. Bed aspect ratio had negligible effects on <em>U</em>_mf but notably influenced bed pressure drop. Experimentally determined Archimedes (<em>Ar</em>) and Reynolds (<em>Re</em>) numbers differed from empirical correlations, highlighting the need for further investigation into temperature effects on fluidization hydrodynamics. A new correlation for <em>U</em>_mf prediction, based on experimental data, exhibited a low average error of 7.4%. These findings, along with detailed material characteristics, offer insights for future research on temperature effects in narrow-deep bubbling fluidized beds, particularly at low <em>Re</em>. The experimental data serve as a benchmark for verifying, validating, and optimizing numerical models and scaling studies.</div></div>","PeriodicalId":9966,"journal":{"name":"Chinese Journal of Chemical Engineering","volume":"94 ","pages":"Pages 280-290"},"PeriodicalIF":3.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148232580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}