Article
Green & Sustainable Science & Technology
Shasha Liu, Gang Wu, Yi Gao, Bin Li, Yu Feng, Jianbin Zhou, Xun Hu, Yong Huang, Shu Zhang, Hong Zhang
Summary: The study showed that catalytic reaction with activated char could increase the relative content of phenolic substances in bio-oil and create more active sites. At higher temperatures, the content of aromatic hydrocarbons in bio-oil increased while oxygen-containing compounds (such as ketones, acids, aldehydes) decreased.
Article
Agricultural Engineering
Rahmad Mohd Taib, Nurhayati Abdullah, Nur Syairah Mohamad Aziz
Summary: This study investigated the fast pyrolysis of banana pseudo-stem (BPS) to determine the optimal conditions for maximum liquid yield, finding that a pyrolysis temperature of 500°C and a residence time of 1.02 s were ideal. Under these conditions, a total liquid yield of 39.4% was achieved, with a high heating value of approximately 5.35 MJ/kg for the BPS liquid obtained. The BPS bio-oil was found to contain common functional groups and chemical compounds related to phenols.
BIOMASS & BIOENERGY
(2021)
Article
Chemistry, Multidisciplinary
Lilivet Ubiera, Isabelle Polaert, Michel Delmotte, Lokmane Abdelouahed, Bechara Taouk
Summary: Microwave pyrolysis is an efficient and high-quality option for treating biomass residue, with bio-oil production significantly influenced by operating conditions and absorbed energy. High heating rates and appropriate energy absorption are crucial for achieving optimal bio-oil yields.
REACTION CHEMISTRY & ENGINEERING
(2021)
Review
Energy & Fuels
Anja Oasmaa, Jani Lehto, Yrjo Solantausta, Sirpa Kallio
Summary: The review summarizes VTT's development efforts in fast pyrolysis over the past 40 years, showcasing a wide range of feedstocks and products tested. Plastic wastes are currently seen as the most promising industrial opportunity in this field.
Article
Energy & Fuels
Mei Jiang, Yinhai Su, Penggang Qi, Shuping Zhang, Yuanquan Xiong
Summary: The positive roles of hydrothermal pretreatment and acidic hydrothermal pretreatment were investigated in this study. The pyrolysis results showed that hydrothermal pretreatment greatly increased the content of levoglucosan (LG) in bio-oil and also enhanced the specific surface area of bio-char. Introduction of acid into the hydrothermal pretreatment process resulted in higher quality liquid and solid products obtained at lower pretreatment temperatures. Specifically, the LG content in the bio-oil increased from 0% in rice husk (RH) to 32.68% in the sample hydrothermal pretreated in deionized water at 170 degrees celcius (TRH170). Furthermore, the addition of acid optimized the pore distribution of activated bio-char, with noticeable increases in average pore size and efficient pore volume in the micro-pore section.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Thermodynamics
Zahra Echresh Zadeh, Ali Abdulkhani, Basudeb Saha
Summary: This study focused on producing and characterizing fast pyrolysis bio-oil from hardwood and softwood at two different temperatures, showing that temperature has an impact on bio-oil yield and chemical distribution.
Article
Energy & Fuels
Funda Ates, Birsen Yasar
Summary: This study investigated the effects of flash and fast pyrolysis on the product yields and compositions of date palm stone. It was found that flash and fast pyrolysis can yield more bio-oil at moderate temperatures. The chars produced from these processes showed high adsorption capacities for dyes. The bio-oil products were found to contain higher levels of oxygen and can be used as fuel or for chemical production, while the solid products can be used as fuel or adsorbents.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Agricultural Engineering
Zijun Yi, Chao Li, Haisheng Lin, Shu Zhang, Yong Huang, Bin Li, Shuang Wang, Xun Hu
Summary: In this study, the pyrolysis of poplar sawdust impregnated with different bio-oil fractions was conducted. It was found that the organics in the bio-oil could react with biochar, increasing biochar production. Additionally, impregnation of bio-oil lowered the activation energy and ignition temperatures for combustion, enhanced deoxygenation, and facilitated the formation of mesopores.
BIOMASS & BIOENERGY
(2023)
Article
Agricultural Engineering
Pan Li, Xiaopeng Shi, Luyao Jiang, Xianhua Wang, Jiande Song, Shuqi Fang, Jing Bai, Chun Chang, Shusheng Pang
Summary: The study found that acid pretreatment and catalytic pyrolysis can improve the yield of aromatics in bio-oil, with the most significant effect observed at 600 degrees Celsius. Synergy effect facilitated the conversion of pyrolytic intermediates to gas and aromatics.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Energy & Fuels
Xiaozhuang Zhuang, Ziyu Gan, Dengyu Chen, Kehui Cen, Yuping Ba, Dongxia Jia
Summary: The quality and yield of bio-oil can be improved by co-pyrolysis of heavy bio-oil and bamboo pretreated by light bio-oil leaching. Under the optimal co-pyrolysis conditions, the highest yield and heating value of bio-oil were obtained. Furthermore, the relative contents of phenols and hydrocarbons increased while that of acids decreased in the bio-oil produced by copyrolysis. Predictive models for bio-oil yield and properties were established, providing a foundation for the preparation and utilization of bio-oils.
Article
Energy & Fuels
Elmeri Pienihaekkinen, Evert J. Leijenhorst, William Wolters, Christian Lindfors, Joona Lahtinen, Taina Ohra-aho, Anja Oasmaa
Summary: Fast pyrolysis of giant reed, fiber sorghum, eucalyptus, and sugarcane bagasse was studied and the physicochemical characteristics of the produced bio-oils were analyzed. The combination of fast pyrolysis and subsequent gasification was found to be a technically feasible and feedstock flexible solution for the production of synthesis gas.
Article
Energy & Fuels
F. Cerciello, B. Apicella, C. Russo, L. Cortese, O. Senneca
Summary: The study explores the influence of pressure on the products of fast pyrolysis of a lignocellulosic biomass (Walnut Shells), showing significant changes in combustion pattern and reactivity of chars under different pressure conditions. Raman analysis indicates that graphitic order develops only at high temperature and pressure, with loss of reactivity attributed to changes in internal distribution of char components.
Article
Green & Sustainable Science & Technology
A. Alcazar-Ruiz, M. L. Ortiz, F. Dorado, L. Sanchez-Silva
Summary: This study compares the sustainability of gasification and fast pyrolysis processes for producing bio-oil using agricultural wastes through a life cycle assessment. The findings indicate that gasification has a greater environmental impact than fast pyrolysis for all studied agricultural biomasses. The study also reveals that fast pyrolysis is the most environmentally friendly option for producing 1 MJ bio-oil.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Energy & Fuels
Lakshmana Rao Jeeru, Faiz Khan Abdul, Jaya Shree Anireddy, Vara. Ch Prasad, Kotaiah Naik Dhanavath
Summary: In this study, the conventional pyrolysis of algal biomass was conducted in a batch fixed-bed reactor to analyze the effects of temperature, retention time, and N2 flow rate on pyrolysis product yields. The Box-Behnken Design method was used to obtain optimum parameters. The regression model showed a high R2 value of 98.42% and R2 adjusted value of 95.59%, indicating a good fit of the data to the model. The analysis revealed that the maximum yield of bio-oil was obtained at a pyrolysis temperature of 575 degrees C, retention time of 45 min, and N2 flow rate of 0.5 l/min. Fourier transform infrared analysis showed a reduction in various functional groups, while gas chromatography-mass spectroscopy identified specific compounds in the bio-oil.
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
(2023)
Article
Energy & Fuels
Elmeri Pienihaekkinen, Evert J. Leijenhorst, William Wolters, Christian Lindfors, Joona Lahtinen, Taina Ohra-aho, Anja Oasmaa
Summary: Fast pyrolysis of different biomass was studied, and the produced pyrolysis bio-oils were characterized. Gasification of the bio-oils produced synthesis gas with similar composition for all feedstocks. The combination of fast pyrolysis with subsequent gasification provides a feasible solution for synthesis gas production.
Article
Environmental Sciences
Monu Verma, Ingyu Lee, Vinod Kumar, Shu-Yuan Pan, Chihhao Fan, Hyunook Kim
Summary: A polymeric adsorbent (Chi-Glu-beta-CD) developed by cross-linking chitosan and beta-cyclodextrin shows promising removal performance for perfluorobutanesulfonate (PFBS) from water, especially under acidic conditions. The adsorption mechanism involves electrostatic attractions and host-guest inclusion formations.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Energy & Fuels
Elizaveta A. Chunzhuk, Anatoly V. Grigorenko, Nadezhda I. Chernova, Sofya V. Kiseleva, Kirill G. Ryndin, Oleg S. Popel, Sergey Ya Malaniy, Olga V. Slavkina, Fabio de Farias Neves, Lijian Leng, Vinod Kumar, Mikhail S. Vlaskin
Summary: This study conducted a direct observation of CO2 capture efficiency in the cultivation of microalgae Arthrospira platensis at high CO2 concentrations. The microalgae were grown in a 90 L photobioreactor using Zarrouk's medium. Three experiments were carried out with different initial CO2 concentrations: 1, 5, and 9 vol.%. The decrease in CO2 concentration due to microalgae growth was highest at 0.10 vol.% (CO2)/day in the experiment with an initial CO2 concentration of 5 vol.%. The biomass density growth rate was 79.4, 76.3, and 48.4 (mg/L)/day at 1, 5, and 9 vol.% CO2 concentrations, respectively. The viability of Arthrospira platensis was found to be good at 1% and 5% CO2 concentrations, but mass death of cells occurred at 9% CO2 concentration. Biochemical analysis showed a decrease in lipid and protein content with increasing CO2 concentration.
Article
Materials Science, Multidisciplinary
Olesya A. Buryakovskaya, Musi Zh. Suleimanov, Mikhail S. Vlaskin, Vinod Kumar, Grayr N. Ambaryan
Summary: An effective combination of oxidation medium, ball milling parameters, and copper additive disperstiy ensuring fast aluminum scrap reaction with high hydrogen yield was suggested. The best results were obtained with 15 mm balls (1 h) which provided the second-finest powder and best preservation of the original Cu and Al phases.
Review
Food Science & Technology
Banlambhabok Khongthaw, P. K. Chauhan, Kanika Dulta, Vinod Kumar, Joshua O. Ighalo
Summary: Phytonutrient extraction is an important technique that involves the extraction of various secondary metabolites from plants, which can be utilized in industries such as nutraceuticals, pharmaceuticals, and food. While traditional extraction methods are still used, novel and greener extraction methods have shown significant improvements.
JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION
(2023)
Article
Energy & Fuels
Manisha Nanda, Krishna Kumar Jaiswal, Jyoti Negi, Fabio de Farias Neves, J. Ranjitha, Makhail S. Vlaskin, Anatoly V. Grigorenko, P. K. Chauhan, Vinod Kumar
Summary: Marine macroalgae have potential to be used as feedstocks for producing various biofuels, chemicals, and bioactive compounds. Microorganisms play a crucial role in converting macroalgae biomass into valuable products, and genetic modification has been developed to enhance their abilities. This study focused on exploring lipid induction in oleaginous yeasts through ethyl methanesulfonate (EMS) mutagenesis, and cultivating them in hydrolyzed macroalgae biomass.
Article
Marine & Freshwater Biology
Manami Chakravorty, Manisha Nanda, Bhawna Bisht, Rohit Sharma, Sanjay Kumar, Abhilasha Mishra, Mikhail S. Vlaskin, P. K. Chauhan, Vinod Kumar
Summary: Microalgae have the potential to be beneficial in resolving various environmental challenges by resisting heavy metals, such as the cost-effective and ecological remediation of contaminated water and the development of bioenergy sources. They can uptake and detoxify heavy metals through mechanisms like biosorption and bioaccumulation, with the assistance of different transporters. Microalgae have been effective in eradicating various heavy metals from the environment, and they can also contribute to the generation of biofuels and the formation of nanoparticles. The review emphasizes the strategies, transporters, and applications of microalgae due to their ability to resist metals.
AQUATIC TOXICOLOGY
(2023)
Article
Chemistry, Physical
Budgam Sai Vamshi, Vani Sharma, Waseem Ahmad, Vinod Kumar, Samiksha Sharma, Naveen Chandra Joshi, Afzal Hussain, Deepika Kohli, J. P. Shabaaz Begum, Sanjay Kumar
Summary: This study focuses on the microwave-assisted green synthesis of silver nanoparticles from Bombax ceiba bud powder and evaluates their characterization and application performance. The developed nanoparticles exhibit crystalline properties, spherical shape, and demonstrate excellent photocatalytic and antimicrobial activities.
Review
Food Science & Technology
Pooja Bhatnagar, Prateek Gururani, Narpinder Singh, Pankaj Gautam, Mikhail S. Vlaskin, Vinod Kumar
Summary: Microalgae, with their abundance in protein, carbohydrates, pigments, vitamins and minerals, offer new commercial opportunities due to their rapid growth, minimal resource requirements and adaptability to various environments. Researchers have turned to microalgae like Spirulina and Chlorella as alternative protein sources to meet future demands. Microalgae typically contain around 30% protein, and some cyanobacteria can reach up to 55%-60%, surpassing conventional sources. Studies have explored the use of algal biomass to enhance protein content in a wide range of food products. This review aims to provide a systematic exploration of microalgae protein and its current and future utilization in the food industry.
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
(2023)
Review
Biochemistry & Molecular Biology
Afreen Parveen, Pooja Bhatnagar, Pankaj Gautam, Bhawna Bisht, Manisha Nanda, Sanjay Kumar, Mikhail S. Vlaskin, Vinod Kumar
Summary: Microalgae are a potential source of highly valuable bioactive metabolites and a high-potential feedstock for environmentally friendly and sustainable biofuel production. Recent research shows that microalgae have environmental benefits, using less water than conventional crops and increasing oxygen production while reducing CO2 emissions. They are an excellent source of value-added compounds and have great potential for environmentally friendly and sustainable biofuel production.
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
(2023)
Editorial Material
Plant Sciences
Manisha Nanda, Mikhail S. Vlaskin, Vinod Kumar
TRENDS IN PLANT SCIENCE
(2023)
Article
Multidisciplinary Sciences
Bhawna Bisht, Monu Verma, Rohit Sharma, P. K. Chauhan, Kumud Pant, Hyunook Kim, Mikhail S. Vlaskin, Vinod Kumar
Summary: This study developed a laboratory-scale biofilm photobioreactor system for biofuel production and found that jute was the best material for biofilm formation. The study identified microalgae and yeast consortium as promising partners for biofilm formation, with the highest biomass yield, biomass productivity, and lipid content. This could lead to a more sustainable and environmentally friendly fuel in the future.
Article
Energy & Fuels
Jyoti Rawat, Krishna Kumar Jaiswal, Nisha Das, Sanjay Kumar, Prateek Gururani, Bhawna Bisht, Mikhail S. Vlaskin, Manoranjan Nayak, Vinod Kumar
Summary: This study investigates the efficient harvesting of microalgae and their subsequent conversion to biochar and bio-oil using synthesized magnetic nanoparticles (Fe3O4). The results show that the nanoparticles play a catalytic role in the hydrothermal liquefaction process, and the response surface methodology is applied to maximize the yield of biochar and bio-oil.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2023)
Review
Nanoscience & Nanotechnology
Waseem Ahmad, Harish Chandra Joshi, Shivam Pandey, Vinod Kumar, Monu Verma
Summary: Nanoparticles have been extensively studied due to their numerous applications. Green synthesis methods are preferred due to their reduced use of harmful chemicals. This study evaluates different green synthesis methods and discusses the various applications of iron oxide nanoparticles.
INTERNATIONAL NANO LETTERS
(2023)
