☆ 4.7 Article

Fe doping Pd/AC sorbent efficiently improving the Hg0 removal from the coal-derived fuel gas

FUEL (2016)

Get Full Text
Add to Collection

Journal

FUEL
Volume 182, Issue -, Pages 64-72

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2016.05.046

Keywords

Hg-0 removal; Coal derived fuel gas; Fe doped Pd/AC sorbents

Categories

Energy & Fuels Engineering, Chemical

Funding

  1. National Natural Science Foundation of China [21276170, 11405256]
  2. State Key Laboratory of Coal Combustion
  3. Shanghai Municipal Natural Science Foundation [13ZR1447800]
  4. Fund Program for the Scientific Activities of Selected Returned Overseas Professionals in Shanxi Province

Ask authors/readers for more resources

Protocol

Community support

Reagent

Community support

Fe doped Pd/AC (where AC is activated carbon) sorbents (1Pd5Fe/AC) were prepared and tested for removal of elemental mercury (Hg-0) from coal-derived fuel gas at medium range temperatures (150250 degrees C). It is found that the Hg-0 removal efficiency of 1Pd5Fe/AC sorbent was much higher than that of 1Pd/AC sorbent, which has previously been shown to suffer from H2S poisoning. 1Pd5Fe/AC sorbent can maintain its Hg-0 removal efficiency above 92% for 6 h at 200 degrees C. The fresh and used sorbents were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS). The results indicated that the Hg-0 removal active components of the 1Pd5Fe/AC sorbent were elemental Pd and Fe2O3. The elemental Pd could react with mercury vapor to form Pd-Hg amalgam. Fe2O3 could react with H2S to produce elemental sulfur which can combine with Hg-0 to form HgS. It is worth noting that PdO existed in both 1Pd5Fe/AC and 1Pd/AC sorbents and could react with H2S to form PdS, which results in the deactivation of sorbents. But Fe2O3 on the surface of 1Pd5Fe/AC sorbent can compete with PdO to react with H2S to produce elemental sulfur, thus inhibiting the deactivation of 1Pd5Fe/AC sorbent. In addition, H-2 and CO were found to promote the Hg-0 removal efficiency. The used 1Pd5Fe/AC sorbent could successfully be regenerated and reused for Hg-0 removal. (C) 2016 Published by Elsevier Ltd.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.7
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Article Geochemistry & Geophysics

Redox evolution of differentiating hydrous basaltic magmas recorded by zircon and apatites in mafic cumulates: The case of the Malayer Plutonic Complex, Western Iran

Reza Deevsalar, Yuanming Pan, Ryuichi Shinjo, Luke Milan, Ke-han Song, Qunfeng Xiao, Mohsen Shakouri, Alisa Rae-Ling Paterson, Yongfeng Hu

Summary: Mafic-ultramafic cumulates in the Malayer Plutonic Complex (MPC), Western Iran, provide records of basaltic magma chambers' conditions and processes during the Middle Jurassic. The evidence suggests a rising redox state during the fractionation process, consistent with the differentiation of hydrous arc magmas. The shift in fO(2) from sulfide-saturated to sulfate-bearing is accompanied by changes in the differentiation path from transitional tholeiitic to calc-alkaline.

GEOCHEMISTRY (2023)

Add to Collection
Article Geochemistry & Geophysics

The cerium isotope fingerprints of redox fluctuation in bauxites

Wenshuai Li, Xiao-Ming Liu, Ryoichi Nakada, Yoshio Takahashi, Yongfeng Hu, Mohsen Shakouri, Zhaofeng Zhang, Takuma Okumura, Shinya Yamada

Summary: We measured the Ce concentration, oxidation state, and isotope composition of bauxites developed on the Columbia River Basalts to evaluate the impacts of redox and non-redox processes on the Ce isotopic variability on Earth's surface. The Ce anomalies and isotope shifts in the bauxites reflect the redox cycle of Ce and Mn in the regolith, indicating the potential of using Ce species isotopes and anomalies to record terrestrial redox status and fluctuation.

EARTH AND PLANETARY SCIENCE LETTERS (2023)

Add to Collection
Article Soil Science

Phosphorus speciation along a soil to kettle hole transect: Sequential P

Julia Prueter, Timothy I. McLaren, Marlene Patzig, Yongfeng Hu, Peter Leinweber

Summary: Phosphorus is essential for all living organisms, but it can also contribute to eutrophication of aquatic ecosystems. Kettle holes, located in intensively used agricultural areas, pose a risk of nutrient transfer to larger water bodies. This study investigated the composition of phosphorus in arable soils and kettle hole sediments, revealing a dominance of stable forms of organic phosphorus. The results also showed a higher proportion of complex organic phosphorus in kettle hole sediments, suggesting their potential for conserving phosphorus and reducing its transfer to vulnerable aquatic ecosystems.

GEODERMA (2023)

Add to Collection
Article Chemistry, Physical

Highly durable iron single-atom catalysts for low-temperature zinc-air batteries by electronic regulation of adjacent iron nanoclusters

Yang Chen, Ting He, Qiming Liu, Yongfeng Hu, Hao Gu, Liu Deng, Hongtao Liu, Youcai Liu, You-Nian Liu, Yi Zhang, Shaowei Chen, Xiaoping Ouyang

Summary: Single-atom catalysts with adjacent Fe nanoclusters supported on nitrogen-doped carbon aerogels show enhanced oxygen reduction reaction activity and anti-oxidation stability, resulting from increased 3d electron density and decreased magnetic moment of Fe atomic centers. A flexible zinc-air battery using these catalysts achieves remarkable performance, even at -40 degrees C, with high open circuit voltage, power density, and excellent durability after 2300 continuous cycles. These results highlight the significance of electronic manipulation in enhancing the durability of single atom catalysts.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

Add to Collection
Article Chemistry, Physical

Single-atom CoN4 sites with elongated bonding induced by phosphorus doping for efficient H2O2 electrosynthesis

Jingjing Liu, Zengxi Wei, Zhichao Gong, Minmin Yan, Yongfeng Hu, Shuangliang Zhao, Gonglan Ye, Huilong Fei

Summary: Doping phosphorus into the carbon substrate of a Co-N-C catalyst enhances the catalytic performance for the oxygen reduction reaction (ORR) and improves the selectivity for H2O2 electrosynthesis. The P-doped Co-N-C catalyst shows outstanding ORR activity with an early onset potential, high selectivity, and large turnover frequency in alkaline electrolyte, surpassing previously reported counterparts. In addition, as a gas diffusion layer in a flow cell, the catalyst achieves an unprecedented H2O2 production rate with long-term durability.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

Add to Collection
Article Geography, Physical

Factors controlling coral P/Ca nutrient proxy: Insights from Porites culture experiments and synchrotron-based X-ray spectroscopy

Wenshuai Li, Xiao-Ming Liu, Yongfeng Hu, Atsushi Suzuki, Toshihiro Yoshimura

Summary: The coral skeletal P/Ca ratio can be used as an indicator of temporal seawater dissolved inorganic phosphorus (DIP), allowing for assessments of oceanographic and climatic impacts on marine biogeochemical cycles. Factors influencing P incorporation in coral skeletons and the partitioning of elements between seawater and coral skeletons remain unclear. In temperature-controlled aquarium culture experiments, it was found that the growth rate of corals may be the direct controlling factor on coral P/Ca ratio.

PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY (2023)

Add to Collection
Article Multidisciplinary Sciences

Epitaxially grown silicon-based single-atom catalyst for visible-light-driven syngas production

Huai Chen, Yangyang Xiong, Jun Li, Jehad Abed, Da Wang, Adrian Pedrazo-Tardajos, Yueping Cao, Yiting Zhang, Ying Wang, Mohsen Shakouri, Qunfeng Xiao, Yongfeng Hu, Sara Bals, Edward H. H. Sargent, Cheng-Yong Su, Zhenyu Yang

Summary: This study reports an epitaxial growth method to construct Co single atoms on Si for light-driven CO2 reduction to syngas. By improving the dispersion of active sites and the efficient harvest of photons, the cobalt-on-silicon single-atom catalysts achieved a 10% external quantum efficiency for CO2-to-syngas conversion, with tunable H2/CO ratio between 0.8 and 2. This photocatalyst also achieved a turnover number of 2 x 10(4) for visible-light-driven CO2 reduction over 6 hours, which is over ten times higher than previously reported single-atom photocatalysts.

NATURE COMMUNICATIONS (2023)

Add to Collection
Article Chemistry, Physical

Identifying the Activity Origin of a Single-Atom Au1/Nb2O5 Catalyst for Hydrodeoxygenation of Methylcatechol: A Stable Substitutional Au plus Site

Jie Xia, Lin Dong, Xiaohui Liu, Roman Chernikov, Mohsen Shakouri, Yongfeng Hu, Yong Guo, Jianjian Wang, Kepeng Song, Peijun Hu, Yanqin Wang, Haifeng Wang

Summary: We report a single-atom Au1/Nb2O5 catalyst for the hydrodeoxygenation of methylcatechol. The catalyst shows stability in five consecutive conversions. The presence of oxygen vacancies in Au@Nbv-2Ov facilitates the adsorption of methylcatechol and enhances the efficiency of C-O bond cleavage.

ACS CATALYSIS (2023)

Add to Collection
Article Engineering, Environmental

Unraveling the role of GaZrOx structure and oxygen vacancy in bifunctional catalyst for highly active and selective conversion of syngas into light olefins

Fanhui Meng, Peng Zhang, Lixuan Ma, Guinan Yang, Riguang Zhang, Baojun Wang, Yongfeng Hu, Zhong Li

Summary: The use of Ga-Zr oxide doped SAPO-34 zeolite enables high selectivity and conversion rate for light olefins, making it a potential catalyst for direct conversion of syngas to olefins, aromatics, and liquid fuels.

CHEMICAL ENGINEERING JOURNAL (2023)

Add to Collection
Article Energy & Fuels

Robust Ni x Sn/ZSM-12 Catalysts with Zeolite as the Support and Sn as the Promoter for Acetylene Semi-hydrogenation

Dashan Wang, Runping Ye, Chong Zhang, Chengkai Jin, Zhang-Hui Lu, Mohsen Shakouri, Bingying Han, Tao Wang, Yihuan Zhang, Rongbin Zhang, Yongfeng Hu, Jian Zhou, Gang Feng

Summary: The improvement of catalysts is crucial for the synthesis of ethylene via the semi-hydrogenation of acetylene. The Ni(7)Sn/ZSM-12 catalyst, with added Sn, exhibits enhanced activity and stability, achieving 92.51% ethylene selectivity and 100% acetylene conversion at 250°C.

ENERGY & FUELS (2023)

Add to Collection
Article Engineering, Environmental

Organic Matter Counteracts the Enhancement of Cr(III) Extractability during the Fe(II)-Catalyzed Ferrihydrite Transformation: A Nanoscale- and Molecular-Level Investigation

Xing Xia, Jin Liu, Lin Jin, Jian Wang, Aminu Inuwa Darma, Chao He, Mohsen Shakouri, Yongfeng Hu, Jianjun Yang

Summary: This study investigated the impact of organic matter on the behavior of chromium during the iron(II)-catalyzed transformation of ferrihydrite. The results showed that organic matter inhibited the release and extraction of chromium during the transformation process, as well as the nanoscale conversion and re-immobilization of chromium. Therefore, organic matter plays an important role in the geochemical cycling of chromium in soils.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2023)

Add to Collection
Article Energy & Fuels

Optimization and kinetic studies of 12-tungstophosphoric supported mesoporous aluminosilicate through response surface methodology for biodiesel production using green seed canola oil

Fahimeh Esmi, Ajay K. Dalai, Yongfeng Hu

Summary: Biodiesel synthesis was conducted using a non-edible feedstock obtained from green seeds of canola oil and a 12-tungstophosphoric heteropoly acid supported mesoporous aluminosilicate catalyst. The effects of catalyst loading, methanol to oil molar ratio, and reaction time on biodiesel yield were studied using response surface methodology. The highest biodiesel yield of 89% was obtained at optimum reaction conditions. Kinetic study revealed a pre-exponential factor of 9.1 x 102 min-1 and an activation energy of 36.34 kJ/mol.

FUEL (2023)

Add to Collection
Article Geochemistry & Geophysics

Cerium geochemical composition of the upper continental crust through time: Implications for tracing past surface redox conditions

Wenshuai Li, Ryoichi Nakada, Yoshio Takahashi, Richard M. Gaschnig, Yongfeng Hu, Mohsen Shakouri, Roberta L. Rudnick, Xiao-Ming Liu

Summary: This study investigates the secular change in the geochemical composition of cerium in the upper continental crust (UCC) for tracing oxidative weathering. The results show that there are no distinguishable secular changes in the cerium anomaly and stable isotope composition of the average UCC. The study emphasizes the importance of utilizing the valence state of cerium as a reliable indicator of redox conditions.

GEOCHIMICA ET COSMOCHIMICA ACTA (2023)

Add to Collection
Article Soil Science

Soils potentially vulnerable to phosphorus losses: speciation of inorganic and organic phosphorus and estimation of leaching losses

Faruk Djodjic, Lars Bergstrom, Frank Schmieder, Corine Sandstrom, Peter Agback, Yongfeng Hu

Summary: Eutrophication poses a significant threat to aquatic ecosystems globally, and it is crucial to accurately identify areas susceptible to phosphorus (P) losses from diffuse sources for effective mitigation measures. This study examined the relationship between agronomic and environmental soil P tests and molecular techniques, conducted rainfall simulation experiments, and compared long-term field measurements. The findings indicate that high P release is correlated with standard agronomic P tests and low P sorption capacity. Increasing levels of iron-bound P compounds suggest greater P availability and higher release of dissolved P. The study also highlights the impact of initial soil P status and fertilization rates on P losses over time.

NUTRIENT CYCLING IN AGROECOSYSTEMS (2023)

Add to Collection
Article Chemistry, Physical

Ruthenium co-anchored by nitrogen and oxygen on lignin derived carbon for high-efficient hydrogen evolution

Siyu Wang, Xinran Ning, Xiaohui Liu, Mohsen Shakouri, Yongfeng Hu, Haiyang Yuan, Pengfei Liu, Xunyu Lu, Yong Guo, Yanqin Wang

Summary: This study reports a novel HER catalyst with oxygen-rich nitrogenated carbon synthesized from renewable lignin and low-cost melamine as the catalyst support. The catalyst exhibits low overpotential and excellent stability, demonstrating the crucial role of oxygen in nitrogenated carbon for HER and providing a strategy for developing high-efficient HER catalysts.

CARBON (2024)

Add to Collection
Article Energy & Fuels

Preparation of surface modified nano-hydrotalcite and its applicaiton as a flow improver for crude oil

Yingna Du, Chen Huang, Wei Jiang, Qiangwei Yan, Yongfei Li, Gang Chen

Summary: In this study, anionic surfactants modified hydrotalcite was used as a flow improver for crude oil under low-temperature conditions. The modified hydrotalcite showed a significant viscosity reduction effect on crude oil. The mechanism of the modified hydrotalcite on viscosity and pour point of crude oil was explored through characterization and analysis of the modified hydrotalcite and oil samples.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Effect of incorporated hybrid MIL-53(Al) and MWCNT into PES membrane for CO2/CH4 and CO2/N2 separation

Mohammad Saeid Rostami, Mohammad Mehdi Khodaei

Summary: In this study, a hybrid structure, MIL-53(Al)@MWCNT, was synthesized by combining MIL-53(Al) particles and -COOH functionalized multi-walled carbon nanotube (MWCNT). The hybrid structure was then embedded in a polyethersulfone (PES) polymer matrix to prepare a mixed matrix membrane (MMM) for CO2/CH4 and CO2/N2 separation. The addition of MWCNTs prevented MIL-53(Al) aggregation, improved membrane mechanical properties, and enhanced gas separation efficiency.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Phase behaviour and physical properties of dimethyl ether (DME)/flue gas/ water/heavy oil systems under reservoir conditions

Yunlong Li, Desheng Huang, Xiaomeng Dong, Daoyong Yang

Summary: This study develops theoretical and experimental techniques to determine the phase behavior and physical properties of DME/flue gas/water/heavy oil systems. Eight constant composition expansion (CCE) tests are conducted to obtain new experimental data. A thermodynamic model is used to accurately predict saturation pressure and swelling factors, as well as the phase boundaries of N2/heavy oil systems and DME/CO2/heavy oil systems, with high accuracy.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Comparison of CO2 absorption in DETA solution and [bmim]-[PF6] using thermodynamic and process modelling

Morteza Afkhamipour, Ebad Seifi, Arash Esmaeili, Mohammad Shamsi, Tohid N. Borhani

Summary: Non-conventional amines are being researched worldwide to overcome the limitations of traditional amines like MEA and MDEA. Adequate process and thermodynamic models are crucial for understanding the applicability and performance of these amines in CO2 absorption, but studies on process modeling for these amines are limited. This study used rate-based modeling and Deshmukh-Mather method to model CO2 absorption by DETA solution in a packed column, validated the model with experimental data, and conducted a sensitivity analysis of mass transfer correlations. The study also compared the CO2 absorption efficiency of DETA solution with an ionic solvent [bmim]-[PF6] and highlighted the importance of finding optimum operational parameters for maximum absorption efficiency.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Interfacial tension of smart water and various crude oils

Arastoo Abdi, Mohamad Awarke, M. Reza Malayeri, Masoud Riazi

Summary: The utilization of smart water in EOR operations has gained attention, but more research is needed to understand the complex mechanisms involved. This study investigated the interfacial tension between smart water and crude oil, considering factors such as salt, pH, asphaltene type, and aged smart water. The results revealed that the hydration of ions in smart water plays a key role in its efficacy, with acidic and basic asphaltene acting as intrinsic surfactants. The pH also influenced the interfacial tension, and the aged smart water's interaction with crude oil depended on asphaltene type, salt, and salinity.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Co-based metal-organic frameworks confined N-hydroxyphthalimide for enhancing aerobic desulfurization of diesel fuels

Dongao Zhu, Kun Zhu, Lixian Xu, Haiyan Huang, Jing He, Wenshuai Zhu, Huaming Li, Wei Jiang

Summary: In this study, cobalt-based metal-organic frameworks (Co-based MOFs) were used as supports and co-catalysts to confine the NHPI catalyst, solving the leaching issue. The NHPI@Co-MOF with carboxyl groups exhibited stronger acidity and facilitated the generation of active oxygen radicals O2•, resulting in enhanced catalytic activity. This research provides valuable insights into the selection of suitable organic linkers and broadens the research horizon of MOF hybrids in efficient oxidative desulfurization (ODS) applications.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Influence of carbon-coated zero-valent iron-based nanoparticle concentration on continuous photosynthetic biogas upgrading

Edwin G. Hoyos, Gloria Amo-Duodu, U. Gulsum Kiral, Laura Vargas-Estrada, Raquel Lebrero, Rail Munoz

Summary: This study investigated the impact of carbon-coated zero-valent nanoparticle concentration on photosynthetic biogas upgrading. The addition of nanoparticles significantly increased microalgae productivity and enhanced nitrogen and phosphorus assimilation. The presence of nanoparticles also improved the quality of biomethane produced.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Effect of aqueous phase recycling on iron evolution and environmental assessment during hydrothermal carbonization of dyeing sludge

Yao Xiao, Asma Leghari, Linfeng Liu, Fangchao Yu, Ming Gao, Lu Ding, Yu Yang, Xueli Chen, Xiaoyu Yan, Fuchen Wang

Summary: Iron is added as a flocculant in wastewater treatment and the hydrothermal carbonization (HTC) of sludge produces wastewater containing Fe. This study investigates the effect of aqueous phase (AP) recycling on hydrochar properties, iron evolution and environmental assessment during HTC of sludge. The results show that AP recycling process improves the dewatering performance of hydrochar and facilitates the recovery of Fe from the liquid phase.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Investigation on the lower flammability limit and critical inhibition concentration of hydrogen under the influence of inhibitors

He Liang, Tao Wang, Zhenmin Luo, Jianliang Yu, Weizhai Yi, Fangming Cheng, Jingyu Zhao, Xingqing Yan, Jun Deng, Jihao Shi

Summary: This study investigated the influence of inhibitors (carbon dioxide, nitrogen, and heptafluoropropane) on the lower flammability limit of hydrogen and determined the critical inhibitory concentration needed for complete suppression. The impact of inhibitors on explosive characteristics was evaluated, and the inhibitory mechanism was analyzed with chemical kinetics. The results showed that with the increase of inhibitor quantity, the lower flammability limit of hydrogen also increased. The research findings can contribute to the safe utilization of hydrogen energy.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Phosphotungstic acid supported on Zr-SBA-15 as an efficient catalyst for one-pot conversion of furfural to ?-valerolactone

Zonghui Liu, Zhongze Zhang, Yali Zhou, Ziling Wang, Mingyang Du, Zhe Wen, Bing Yan, Qingxiang Ma, Na Liu, Bing Xue

Summary: In this study, high-performance solid catalysts based on phosphotungstic acid (HPW) supported on Zr-SBA-15 were synthesized and evaluated for the one-pot conversion of furfural (FUR) to γ-valerolactone (GVL). The catalysts were characterized using various techniques, and the ratio of HPW and Zr was found to significantly affect the selectivity of GVL. The HPW/Zr-SBA-15 (2-4-15) catalyst exhibited the highest GVL yield (83%) under optimized reaction conditions, and it was determined that a balance between Bronsted acid sites (BAS) and Lewis acid sites (LAS) was crucial for achieving higher catalytic performance. The reaction parameters and catalyst stability were also investigated.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Experimental study of droplet vaporization for conventional and renewable transportation fuels: Effects of physical properties and chemical composition

Michael Stoehr, Stephan Ruoff, Bastian Rauch, Wolfgang Meier, Patrick Le Clercq

Summary: As part of the global energy transition, an experimental study was conducted to understand the effects of different fuel properties on droplet vaporization for various conventional and alternative fuels. The study utilized a flow channel to measure the evolution of droplet diameters over time and distance. The results revealed the temperature-dependent effects of physical properties, such as boiling point, liquid density, and enthalpy of vaporization, and showed the complex interactions of preferential vaporization and temperature-dependent influences of physical properties for multi-component fuels.

FUEL (2024)

Add to Collection
Article Energy & Fuels

An experimental and modeling study on the oxidation of ammonia-methanol mixtures in a jet stirred reactor

Yuan Zhuang, Ruikang Wu, Xinyan Wang, Rui Zhai, Changyong Gao

Summary: Through experimental validation and optimization of the chemical kinetic model, it was found that methanol can accelerate the oxidation reaction of ammonia, and methanol can be rapidly oxidized at high concentration. HO2 was found to generate a significant amount of OH radicals, facilitating the oxidation of methanol and ammonia. Rating: 7.5/10.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Improving the biodiesel combustion and emission characteristics in the lean pre-vaporized premixed system using diethyl ether as a fuel additive

Radwan M. EL-Zohairy, Ahmed S. Attia, A. S. Huzayyin, Ahmed I. EL-Seesy

Summary: This paper presents a lab-scale experimental study on the impact of diethyl ether (DEE) as an additive to waste cooking oil biodiesel with Jet A-1 on combustion and emission features of a swirl-stabilized premixed flame. The addition of DEE to biodiesel significantly affects the flame temperature distribution and emissions. The W20D20 blend of DEE, biodiesel, and Jet A-1 shows similar flame temperature distribution to Jet A-1 and significantly reduces UHC, CO, and NOx emissions compared to Jet A-1.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Condensation characteristics of ammonia vapor during supersonic separation: A novel approach to ammonia-hydrogen separation

Jiang Bian, Ziyuan Zhao, Yang Liu, Ran Cheng, Xuerui Zang, Xuewen Cao

Summary: This study presents a novel method for ammonia separation using supersonic flow and develops a mathematical model to investigate the condensation phenomenon. The results demonstrate that the L-P nucleation model accurately characterizes the nucleation process of ammonia at low temperatures. Numerical simulations also show that increasing pressure and concentration can enhance ammonia condensation efficiency.

FUEL (2024)

Add to Collection
Article Energy & Fuels

Multivariate time series prediction for CO2 concentration and flowrate of flue gas from biomass-fired power plants

Shiyuan Pan, Xiaodan Shi, Beibei Dong, Jan Skvaril, Haoran Zhang, Yongtu Liang, Hailong Li

Summary: Integrating CO2 capture with biomass-fired combined heat and power (bio-CHP) plants is a promising method for achieving negative emissions. This study develops a reliable data-driven model based on the Transformer architecture to predict the flowrate and CO2 concentration of flue gas in real time. The model validation shows high prediction accuracy, and the potential impact of meteorological parameters on model accuracy is assessed. The results demonstrate that the Transformer model outperforms other models and using near-infrared spectral data as input features improves the prediction accuracy.

FUEL (2024)

Add to Collection
Webinars Posters Questions Hubs Funding Journals Papers Connect Collections Reviewers About Us FAQs Mobile App Privacy Policy Terms of Use
© Peeref 2019-2024. All rights reserved.