Article
Agricultural Engineering
Jie Qiao, Haiyang Cui, Minghui Wang, Xianshen Fu, Xinyue Wang, Xiujuan Li, He Huang
Summary: This article summarizes four promising routes for assembling new industrial plants for cellulose-based fuels and chemicals, and discusses the challenges and prospects in this field.
BIORESOURCE TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Martina Frosi, Antonio Tripodi, Francesco Conte, Gianguido Ramis, Nader Mahinpey, Ilenia Rossetti
Summary: The study designs an optimal bioethanol-to-bioethylene plant with a capacity of 445,652 tons/year, utilizing diluted bioethanol solutions to skip the energy intensive dehydration step. This plant offers a competitive solution for bioethylene production and has the potential to reach double the capacity of the current largest plant in a more environmentally sustainable manner.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2021)
Article
Green & Sustainable Science & Technology
Iara Fontes Demuner, Fernando Jose Borges Gomes, Jessica Silva Gomes, Marcela Ribeiro Coura, Felipe Pedersoli Borges, Ana Marcia Macedo Ladeira Carvalho, Claudio Mudadu Silva
Summary: Kraft lignin is a residue from the pulping process, but integrating the biorefinery concept is crucial for sustainable development. This study evaluated the production of lignosulfonates from eucalypt kraft lignin through sulfomethylation and acid sulfonation processes. Sulfomethylation was more effective in producing lignosulfonates with a higher sulfur content, solubility in water, and confirmed chemical modifications, while acid sulfonation showed lower efficiency.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Agricultural Engineering
Marttin Paulraj Gundupalli, Yu-Shen Cheng, Santi Chuetor, Debraj Bhattacharyya, Malinee Sriariyanun
Summary: The study revealed that dewaxing and alkaline pretreatment have significant impacts on saccharification and ethanol yield from lignocellulose. Samples treated with dewaxing showed higher yields of sugars and ethanol. This treatment also resulted in significant changes in plant compositions, surface morphology, and functional groups.
BIORESOURCE TECHNOLOGY
(2021)
Article
Energy & Fuels
Jussi Saari, Ekaterina Sermyagina, Katja Kuparinen, Satu Lipiainen, Juha Kaikko, Marcelo Hamaguchi, Clara Mendoza-Martinez
Summary: This study evaluates the technical potential of using mild hydrothermal carbonization (HTC) to improve the energy efficiency of biosludge handling. The results show that HTC pre-treatment can significantly increase power generation, especially when incineration is the main method of handling.
Article
Biotechnology & Applied Microbiology
Marttin Paulraj Gundupalli, Santi Chuetor, Kraipat Cheenkachorn, Kittipong Rattanaporn, Pau-Loke Show, Yu-Shen Cheng, Malinee Sriariyanun
Summary: This study investigated the interference of wax in different lignocellulosic biomasses and found that dewaxing can improve the composition and functional groups of biomass, promote dissociation of lignocellulose fibrils, and increase the extraction of reducing sugars and ethanol yield. The wax obtained from the biomasses mainly consisted of FAME, alcohol, and alkane.
BIOENGINEERING-BASEL
(2021)
Article
Chemistry, Multidisciplinary
Frederique Bertaud, Pascal Ottenio, Arnaud Aubigny, Anthony Dufour
Summary: Existing industrial Kraft mills can serve as the foundation for the utilization of lignin in value-added products. Precipitation from black liquors allows for the recovery of lignin. However, it is crucial to assess the impact of lignin extraction on the overall chemical and energy balances of the mill.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Review
Biotechnology & Applied Microbiology
Zhonghao Chen, Lin Chen, Kuan Shiong Khoo, Vijai Kumar Gupta, Minaxi Sharma, Pau Loke Show, Pow-Seng Yap
Summary: Urbanization drives the demand for fossil fuels, but overexploitation has caused environmental pollution. Biorefining using lignocellulosic biomass is a promising strategy to reduce pollution and obtain renewable resources. However, there is a lack of comprehensive understanding of the biorefining process, and optimized solutions are needed to improve industrial efficiency.
BIOTECHNOLOGY ADVANCES
(2023)
Article
Agricultural Engineering
Patricia Henriques, Marta Martinho, Maria de Lurdes Serrano, Antonio P. Mendes de Sousa, Ana Maria Brites Alves
Summary: Xylooligosaccharides (XOS) are emerging prebiotics with various benefits for physical and mental health. In this study, bleached kraft pulp from Eucalyptus globulus was used as a lignin-free material for XOS production. Through alkaline extraction and acid hydrolysis, a maximum conversion rate of xylan to XOS of 30.2% was achieved under specific conditions, with xylobiose and xylotriose prevailing as products.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Green & Sustainable Science & Technology
Nicolas M. Clauser, Fernando E. Felissia, Maria C. Area, Maria E. Vallejos
Summary: Sustainable biomass valorization and development of conversion processes can bring multiple benefits to society. Industrial biorefinery schemes require technical and economic assessments, while also focusing on process design and optimization for efficiency and profitability.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Energy & Fuels
Igorip Cruz, Magnus Wallen, Elin Svensson, Simon Harvey
Summary: The recovery and utilisation of industrial excess heat is crucial for improving energy efficiency. This study combines process integration methods and regression analysis to estimate the electricity generation potentials from low and medium temperature excess heat in the Swedish kraft pulp and paper industry, showing a potential increase of 10 to 13% in electricity production. The approach used could be applied in other sectors and regions to enhance industrial excess heat estimations.
Article
Green & Sustainable Science & Technology
Daniel Tinoco, Hugo Leonardo Andre Genier, Wendel Batista da Silveira
Summary: The technology valuation of cellulosic ethanol production by K. marxianus strain from sweet sorghum bagasse showed great potential, reaching almost double the yield compared to corn straw. An integration between 1G and 2G ethanol production without mixing material streams was considered to improve the technology valuation analysis.
Review
Agricultural Engineering
Tirath Raj, K. Chandrasekhar, A. Naresh Kumar, J. Rajesh Banu, Jeong-Jun Yoon, Shashi Kant Bhatia, Yung-Hun Yang, Sunita Varjani, Sang-Hyoun Kim
Summary: Cellulosic ethanol production is facing major sustainability issues due to changes in feedstock composition, natural resistance, and lack of cost-effective pretreatment and downstream processing. To address these challenges, a global overview of current cellulosic ethanol facilities, main roadblocks, and technical challenges has been outlined, along with advancements in R&D and solutions for low-cost sustainable fuel ethanol production.
BIORESOURCE TECHNOLOGY
(2022)
Article
Energy & Fuels
Erika Bartolomei, Yann Le Brech, Roger Gadiou, Frederique Bertaud, Sebastien Leclerc, Loic Vidal, Jean-Marc Le Meins, Anthony Dufour
Summary: Three complementary Kraft lignins and a Soda lignin were characterized by NMR and GPC, with their theoretical yield in monomers calculated based on the analyses. The most recalcitrant Kraft lignin was depolymerized in supercritical ethanol with Pt/C, Ni/C, and Ru/C catalysts, demonstrating the important effect of catalysts on monomers, oligomers, and char yields. The study also showed that lignin structure plays a role in the depolymerization mechanism.
Article
Materials Science, Ceramics
Lorena Raphael Rodrigues, Janaina Accordi Junkes, Alessandra Savazzini-Reis, Desilvia Machado Louzada, Viviana Possamai Della Sagrillo
Summary: This study evaluated the effects of incorporating green liquor dregs and FGCW into red ceramic formulations. Results showed that firing temperature and simultaneous incorporation of both industrial wastes play a crucial role in optimizing the production of ceramic products, with the best results achieved when using 10 wt% green liquor dregs and 30 wt% FGCW fired at 950 degrees C.
CERAMICS INTERNATIONAL
(2021)
Article
Thermodynamics
Rickard Fornell, Thore Berntsson
APPLIED THERMAL ENGINEERING
(2012)
Article
Thermodynamics
Rickard Fornell, Thore Berntsson, Anders Asblad
Article
Materials Science, Paper & Wood
Rickard Fornell, Thore Berntsson
NORDIC PULP & PAPER RESEARCH JOURNAL
(2009)
Article
Energy & Fuels
David Benjamin Nickel, Rickard Fornell, Matty Janssen, Carl Johan Franzen
FRONTIERS IN ENERGY RESEARCH
(2020)
Article
Engineering, Civil
Andreas Nicolaidis Lindqvist, Rickard Fornell, Thomas Prade, Linda Tufvesson, Sammar Khalil, Birgit Kopainsky
Summary: Ensuring sustainable management and sufficient supply of freshwater resources is becoming increasingly challenging globally. Studies show that current policies addressing water scarcity often fail to consider the impact of human-water interactions on water supply and demand. Solutions to combat water scarcity should focus on understanding these interactions and exploring information and economic policy instruments.
WATER RESOURCES MANAGEMENT
(2021)
Article
Water Resources
Andreas Nicolaidis Lindqvist, Rickard Fornell, Thomas Prade, Sammar Khalil, Linda Tufvesson, Birgit Kopainsky
Summary: This study predicts the future groundwater supply in the Faro center dot island of Region Gotland, Sweden, using multivariate Monte Carlo simulations. The results show that groundwater storage will remain critically low in the next 30 years, with a 60-70% probability of falling to lower levels than the past 60 years. Low water availability and saltwater intrusion will limit housing and tourism development by around 11% and 30% respectively. The tourism sector will increasingly rely on water from private wells, and supplementary water deliveries from neighboring regions will be necessary to meet municipal water demand.
JOURNAL OF HYDROLOGY-REGIONAL STUDIES
(2022)
Proceedings Paper
Engineering, Chemical
Rickard Fornell, Karin Willquist, Anneli Petersson, Carl-Johan Franzen
PRES2016: 19TH INTERNATIONAL CONFERENCE ON PROCESS INTEGRATION, MODELING AND OPTIMIZATION FOR ENERGY SAVINGS AND POLLUTION REDUCTION
(2016)
Article
Thermodynamics
Hai Zhao, Puzhen Gao, Xiaochang Li, Ruifeng Tian, Hongyang Wei, Sichao Tan
Summary: This study numerically investigates the interaction between flow-induced vibration and forced convection heat transfer in a tube bundle. The results show that the impact of flow-induced vibration on heat transfer varies in different flow velocity regions.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Rohit Chintala, Jon Winkler, Sugirdhalakshmi Ramaraj, Xin Jin
Summary: The current state of fault detection and diagnosis for residential air-conditioning systems is expensive and not suitable for widespread implementation. This paper proposes a cost-effective solution by introducing an automated fault detection algorithm as a screening step before more expensive tests can be conducted. The algorithm uses home thermostats and local weather information to identify thermodynamic parameters and detect high-impact air-conditioning faults.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
A. Azimi, N. Basiri, M. Eslami
Summary: This paper presents a novel optimization algorithm for improving the water-film cooling system of photovoltaic panels, resulting in a significant increase in net energy generation.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Duc-Thuan Phung, Chin-Hsiang Cheng
Summary: In this study, a novel CFDMD model is used to analyze and investigate the behavior of thermal-lag engines (TLE). The study shows that the CFDMD model effectively captures the thermodynamic behavior of the working gas and the dynamic behavior of the engine mechanism. Additionally, the study explores the temporal evolution of engine speed and the influence of various parameters on shaft power and brake thermal efficiency. The research also reveals the existence of a thermal-lag phenomenon in TLE.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Haiying Yang, Yinjie Shen, Lin Li, Yichen Pan, Ping Yang
Summary: The purpose of this article is to find a measure to improve the interfacial thermal transfer of graphene/silicon heterojunction. Through molecular dynamics simulation, it is found that surface modification can significantly reduce the thermal resistance, thereby improving the thermal conductivity of the graphene/silicon interface.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Qiong Wu, Yancheng Wang, Haonan Zhou, Xingye Qiu, Deqing Mei
Summary: This article introduces a visible methanol steam reforming microreactor, which uses an optical crystal as an observation window and measures the reaction temperature in real-time using infrared thermography. The results show that under lower oxygen to carbon ratio conditions, the microreactor has a higher heating rate and a stable gradient in temperature distribution.
APPLIED THERMAL ENGINEERING
(2024)
Review
Thermodynamics
Giulia Manco, Umberto Tesio, Elisa Guelpa, Vittorio Verda
Summary: In the past decade, there has been a growing interest in studying energy systems for the combined management of power vectors. Most of the published works focus on finding the optimal design and operations of Multi Energy Systems (MES). However, for newcomers to this field, understanding how to achieve the desired optimization details while controlling computational expenses can be challenging and time-consuming. This paper presents a novel approach to analyzing the existing literature on MES, with the aim of guiding practical development of MES optimization. Through the discussion of six case studies, the authors provide a mathematical formulation as a reference for building the model and emphasize the impact of different aspects on the problem nature and solver selection. In addition, the paper also discusses the different approaches used in the literature for incorporating thermal networks and storage in the optimization of multi-energy systems.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Xuepeng Yuan, Caiman Yan, Yunxian Huang, Yong Tang, Shiwei Zhang, Gong Chen
Summary: In this study, a multi-scale microgroove wick (MSMGW) was developed by laser irradiation, which demonstrated superior capillary performance. The surface morphology and performance of the wick were affected by laser scan pitch, laser power, repetition frequency, and scanning speed. The MSMGW showed optimal capillary performance in alumina material and DI water as the working fluid.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Maofei Mei, Feng Hu, Chong Han
Summary: This paper proposes an effective local search method based on detection of droplet boundaries for understanding the dynamic process of droplet growth during dropwise condensation. The method is validated by comparing with experimental data. The present simulation provides an effective approach to more accurately predict the nucleation site density in future studies.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Rahul Kumar Sharma, Ashish Kumar, Dibakar Rakshit
Summary: The study explores the use of phase change materials (PCM) as a retrofit with Heating Ventilation and Air-conditioning systems (HVAC) to reduce energy consumption and improve air quality. By incorporating PCM with specific thickness and fin configurations, significant energy savings can be achieved in comparison to standard HVAC systems utilizing R134a. This research provides policymakers with energy-efficient and sustainable solutions for HVAC systems to combat climate change.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Zhenhua Ren, Xiangjin Meng, Xingang Qi, Hui Jin, Yunan Chen, Bin Chen, Liejin Guo
Summary: This paper investigates the heat transfer mechanism and factors influencing thermal radiation in the process of supercritical water gasification (SCWG) of coal, and proposes a comprehensive numerical model to simulate the process. Experimental validation results show that thermal radiation accounts for a significant proportion of the total heat exchange in the reactor and a large amount of radiant energy exists in the important spectral range of supercritical water. Enhancing radiative heat transfer can effectively increase the temperature of the reaction medium and the gasification rate.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Mauro Abela, Mauro Mameli, Sauro Filippeschi, Brent S. Taft
Summary: Pulsating Heat Pipes (PHP) are passive two-phase heat transfer devices with a simple structure and high heat transfer capabilities. The actual unpredictability of their dynamic behavior during startup and thermal crisis hinders their large-scale application. An experimental apparatus is designed to investigate these phenomena systematically. The results show that increasing the number of evaporator sections and condenser temperature improves the performance of PHP. The condenser temperature also affects the initial liquid phase distribution and startup time.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Ke Gan, Ruilian Li, Yi Zheng, Hui Xu, Ying Gao, Jiajie Qian, Ziming Wei, Bin Kong, Hong Zhang
Summary: A 3-dimensional enhanced heat pipe radiator has been developed to improve heat dissipation and temperature uniformity in cooling high-power electronic components. Experimental results show that the radiator has superior heat transfer performance compared to a conventional aluminum fin radiator under different heating powers and wind speed conditions.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Xinyi Zhang, Shuzhong Wang, Daihui Jiang, Zhiqiang Wu
Summary: This study focuses on recovering waste heat from blast furnace slag using dry centrifugal pelletizing technology. A comprehensive two-dimensional model was developed to analyze heat transfer dynamics and investigate factors influencing heat exchange efficiency. The findings have important implications for optimizing waste heat recovery and ensuring safe operations.
APPLIED THERMAL ENGINEERING
(2024)
Article
Thermodynamics
Xincheng Wu, An Zou, Qiang Zhang, Zhaoguang Wang
Summary: The boosting heat generation rate of high-performance processors is challenging traditional cooling techniques. This study proposes a combined design of active jet intermittency and passive surface modification to enhance heat transfer.
APPLIED THERMAL ENGINEERING
(2024)