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Kumar M, Bhujbal SK, Kohli K, Prajapati R, Sharma BK, Sawarkar AD, Abhishek K, Bolan S, Ghosh P, Kirkham MB, Padhye LP, Pandey A, Vithanage M, Bolan N. A review on value-addition to plastic waste towards achieving a circular economy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:171106. [PMID: 38387564 DOI: 10.1016/j.scitotenv.2024.171106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/12/2024] [Accepted: 02/18/2024] [Indexed: 02/24/2024]
Abstract
Plastic and mixed plastic waste (PW) has received increased worldwide attention owing to its huge rate of production, high persistency in the environment, and unsustainable waste management practices. Therefore, sustainable PW management and upcycling approaches are imperative to achieve the objectives of the United Nations Sustainable Development Goals. Numerous recent studies have shown the application and feasibility of various PW conversion techniques to produce materials with better economic value. Within this framework, the current review provides an in-depth analysis of cutting-edge thermochemical technologies such as pyrolysis, gasification, carbonization, and photocatalysis that can be used to value plastic and mixed PW in order to produce energy and industrial chemicals. Additionally, a thorough examination of the environmental impacts of contemporary PW upcycling techniques and their commercial feasibility through life cycle assessment (LCA) and techno-economical assessment are provided in this review. Finally, this review emphasizes the opportunities and challenges accompanying with existing PW upcycling techniques and deliver recommendations for future research works.
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Affiliation(s)
- Manish Kumar
- Amity Institute of Environmental Sciences, Amity University, Noida, India.
| | - Sachin Krushna Bhujbal
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Kirtika Kohli
- Distillate and Heavy Oil Processing Division, CSIR-Indian Institute of Petroleum, Dehradun 248005, India
| | - Ravindra Prajapati
- Prairie Research Institute-Illinois Sustainable Technology Center, University of Illinois Urbana-Champaign, Champaign, IL 61820, USA
| | - Brajendra K Sharma
- Prairie Research Institute-Illinois Sustainable Technology Center, University of Illinois Urbana-Champaign, Champaign, IL 61820, USA; United States Department of Agriculture, Agricultural Research Service Eastern Regional Research Center Sustainable Biofuels and Co-Products Research Unit, 600 E. Mermaid Ln., Wyndmoor, PA 19038, USA
| | - Ankush D Sawarkar
- Department of Information Technology, Shri Guru Gobind Singhji Institute of Engineering and Technology (SGGSIET), Nanded, Maharashtra 431 606, India
| | - Kumar Abhishek
- Department of Environment, Forest and Climate Change, Government of Bihar, Patna, India
| | - Shiv Bolan
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia
| | - Pooja Ghosh
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi 110016, India; Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio 70211, Finland
| | - M B Kirkham
- Department of Agronomy, Kansas State University, Manhattan, KS, USA
| | - Lokesh P Padhye
- Department of Civil and Environmental Engineering, Faculty of Engineering, The University of Auckland, Auckland 1010, New Zealand
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow 226 001, India; Kyung Hee University, Kyung Hee Dae Ro 26, Seoul 02447, Republic of Korea; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248 007, Uttarakhand, India; Centre for Energy and Environmental Sustainability, Lucknow 226029, India
| | - Meththika Vithanage
- The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia; Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Nanthi Bolan
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia.
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Zhang H, Yang K, Tao Y, Yang Q, Xu L, Liu C, Ma L, Xiao R. Biomass directional pyrolysis based on element economy to produce high-quality fuels, chemicals, carbon materials - A review. Biotechnol Adv 2023; 69:108262. [PMID: 37758024 DOI: 10.1016/j.biotechadv.2023.108262] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 09/01/2023] [Accepted: 09/23/2023] [Indexed: 10/03/2023]
Abstract
Biomass is regarded as the only carbon-containing renewable energy source and has performed an increasingly important role in the gradual substitution of conventional fossil energy, which also contributes to the goals of carbon neutrality. In the past decade, the academic field has paid much greater attention to the development of biomass pyrolysis technologies. However, most biomass conversion technologies mainly derive from the fossil fuel industry, and it must be noticed that the large element component difference between biomass and traditional fossil fuels. Thus, it's necessary to develop biomass directional pyrolysis technology based on the unique element distribution of biomass for realizing enrichment target element (i.e., element economy). This article provides a broad review of biomass directional pyrolysis to produce high-quality fuels, chemicals, and carbon materials based on element economy. The C (carbon) element economy of biomass pyrolysis is realized by the production of high-performance carbon materials from different carbon sources. For efficient H (hydrogen) element utilization, high-value hydrocarbons could be obtained by the co-pyrolysis or catalytic pyrolysis of biomass and cheap hydrogen source. For improving the O (oxygen) element economy, different from the traditional hydrodeoxygenation (HDO) process, the high content of O in biomass would also become an advantage because biomass is an appropriate raw material for producing oxygenated liquid additives. Based on the N (nitrogen) element economy, the recent studies on preparing N-containing chemicals (or N-rich carbon materials) are reviewed. Moreover, the feasibility of the biomass poly-generation industrialization and the suitable process for different types of target products are also mentioned. Moreover, the enviro-economic assessment of representative biomass pyrolysis technologies is analyzed. Finally, the brief challenges and perspectives of biomass pyrolysis are provided.
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Affiliation(s)
- Huiyan Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China.
| | - Ke Yang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Yujie Tao
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Qing Yang
- Department of New Energy Science and Technology, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Lujiang Xu
- College of Engineering, Nanjing Agricultural University, Nanjing 210031, PR China
| | - Chao Liu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Longlong Ma
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Rui Xiao
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China.
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Mariyam S, Zuhara S, Parthasarathy P, McKay G. A Review on Catalytic Fast Co-Pyrolysis Using Analytical Py-GC/MS. Molecules 2023; 28:molecules28052313. [PMID: 36903559 PMCID: PMC10005324 DOI: 10.3390/molecules28052313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/23/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Py-GC/MS combines pyrolysis with analytical tools of gas chromatography (GC) and mass spectrometry (MS) and is a quick and highly effective method to analyse the volatiles generated from small amounts of feeds. The review focuses on using zeolites and other catalysts in the fast co-pyrolysis of various feedstocks, including biomass wastes (plants and animals) and municipal waste materials, to improve the yield of specific volatile products. The utilisation of zeolite catalysts, including HZSM-5 and nMFI, results in a synergistic reduction of oxygen and an increase in the hydrocarbon content of pyrolysis products. The literature works also indicate HZSM-5 produced the most bio-oil and had the least coke deposition among the zeolites tested. Other catalysts, such as metals and metal oxides, and feedstocks that act as catalysts (self-catalysis), such as red mud and oil shale, are also discussed in the review. Combining catalysts, such as metal oxides and HZSM-5, further improves the yields of aromatics during co-pyrolysis. The review highlights the need for further research on the kinetics of the processes, optimisation of feed-to-catalyst ratios, and stability of catalysts and products.
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Nabgan W, Ikram M, Alhassan M, Owgi A, Van Tran T, Parashuram L, Nordin A, Djellabi R, Jalil A, Medina F, Nordin M. Bibliometric analysis and an overview of the application of the non-precious materials for pyrolysis reaction of plastic waste. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023] Open
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5
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Liu T, Zhang J, Zhang X. Resource Utilization and Catalytic Pyrolysis Conversion Mechanism of Polyacrylate Solid Waste. Polym Degrad Stab 2023. [DOI: 10.1016/j.polymdegradstab.2023.110253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Mishra RK, Chistie SM, Naika SU, Mohanty K. Catalytic pyrolysis of biomass over zeolites for bio-oil and chemical production: A review on their structure, porosity and acidity co-relation. BIORESOURCE TECHNOLOGY 2022; 366:128189. [PMID: 36309176 DOI: 10.1016/j.biortech.2022.128189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
The oxygenated compounds found in bio-oil limit their application as a transportation fuel. Several studies were reported on eliminating the oxygenated components from bio-oil so as to improve its fuel properties. This work is dedicated to studying the shape selectivity, porosity, structure, acidity of zeolites and their effect in bio-oil and chemicals production. The unified pore size, specific structure, controlled Si/Al ratio, unique channels and circular entrances, mesoporosity, and acidity are the utmost discerning parameters for aromatics production and deoxygenation reaction. The conversion of biomass-derived oxygenates to aromatics using zeolite is subjected to the reactants entering the pore, conversion inside the pore, and diffusing out of the products from the zeolite pores. These approaches were considered for an in-depth understanding of zeolite properties, which will enhance the fundamental understanding of pyrolysis.
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Affiliation(s)
- Ranjeet Kumar Mishra
- Department of Chemical Engineering, Ramaiah Institute of Technology, Bangalore 560054, India
| | - Syeda Minnat Chistie
- Department of Chemical Engineering, Ramaiah Institute of Technology, Bangalore 560054, India
| | - Sneha Ullhas Naika
- Department of Chemical Engineering, Ramaiah Institute of Technology, Bangalore 560054, India
| | - Kaustubha Mohanty
- Department of Chemical Engineering, Indian Institute of Technology, Guwahati 781039, India.
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Prasad Reddy Kannapu H, Pyo S, Shiung Lam S, Jae J, Hoon Rhee G, Ali Khan M, Jeon BH, Park YK. MgO-modified activated biochar for biojet fuels from pyrolysis of sawdust on a simple tandem micro-pyrolyzer. BIORESOURCE TECHNOLOGY 2022; 359:127500. [PMID: 35724913 DOI: 10.1016/j.biortech.2022.127500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/13/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
The aim of this work was to study on MgO-modified KOH activated biochar (AC) catalysts, in the pyrolysis of sawdust for the direct production of bio-jet fuels using a tandem micro-pyrolyzer. AC catalysts with various MgO contents (5 to 20 wt%) were synthesized using an impregnation method. The mesopores generated (4 to 18 nm) in the carbon has a great potential in the conversion of oxygenated to jet fuel. The importance of basic nature in the catalysts is demonstrated with the maximum bio-jet fuel yield of 29 % at 10 % MgO. Further, the temperature of 600 °C and a catalyst/sawdust ratio of 10 are identified as the optimal conditions. The nanosize of MgO and the synergism of acid and base sites seemed to enhance deoxygenation, via decarboxylation and decarbonylation, and oligomerization, which are required for jet fuel formation in high amounts from sawdust pyrolysis.
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Affiliation(s)
| | - Sumin Pyo
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Jungho Jae
- School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Gwang Hoon Rhee
- Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea.
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Hou J, Zhong D, Liu W. Catalytic co-pyrolysis of oil sludge and biomass over ZSM-5 for production of aromatic platform chemicals. CHEMOSPHERE 2022; 291:132912. [PMID: 34785179 DOI: 10.1016/j.chemosphere.2021.132912] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/12/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Hazardous oil sludge (OS) poses a great challenge to the environment, whereas conventional treatment methods (i.e., incineration or pyrolysis-incineration) are relatively less value-added and will bring about air pollution problems. To realize the high-value utilization of OS, catalytic co-pyrolysis with waste biomass to produce platform chemicals was studied using TG-FTIR and Py (pyrolyzer)-GC/MS methods. Results showed that for the non-catalytic co-pyrolysis of RH (rice husk) and OS, the main synergy on weight loss was the greatly lowered initial pyrolysis temperature of RH (for ∼55 °C) at the lower temperatures and the reduced weight loss ratio of OS (∼10-18 wt%) within the higher temperature range. ZSM-5 catalyst promoted the degradation of OS and RH mixtures at < 150 °C, yet showed minor effects on their weight loss at higher temperatures. The oxygenated and aliphatic compounds from non-catalytic co-pyrolysis were efficiently converted, resulting in an increased relative yield of aromatics to the highest of 46% and an elevated selectivity to BTX (as high as 60%). Despite the relatively short carbon chain length of OS components, ZSM-5 was proved effective to activate the OS pyrolysis products, thus enhancing the further aromatization reactions with biomass pyrolysis intermediates. This study provides a novel method for value-added co-utilization of hazardous OS waste and abundant biomass waste, and thus is beneficial to producing renewable chemicals while reducing the environment pollutant.
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Affiliation(s)
- Jinyu Hou
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Daoxu Zhong
- Jiangsu Provincial Academy of Environmental Science, Nanjing, Jiangsu, 210036, China
| | - Wuxing Liu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
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Jahnavi N, Kanmani K, Kumar PS, Varjani S. Conversion of waste plastics into low emissive hydrocarbon fuel using catalyst produced from biowaste. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:63638-63645. [PMID: 33113066 DOI: 10.1007/s11356-020-11398-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 10/23/2020] [Indexed: 06/11/2023]
Abstract
Among the prevalent methods already in existence for the plastic waste management, catalytic pyrolysis has been proved to be an efficient one. The research work involved the synthesis of the catalyst from eucalyptus seeds, a commercially available agricultural waste product aided in pyrolysis. The raw eucalyptus seeds were cleaned, powdered, and surface-modified using sulphuric acid. Analysis of the surface-reformed eucalyptus seeds showed that they possess the characteristics equivalent to the activated carbon and micropores similar to that of zeolite which is used as a catalyst for pyrolysis. Hence, the prepared catalyst was used in the pyrolysis process and its performance was compared with that of the commercial activated carbon and zeolite. Zeolite Y generally lowers the temperature of the pyrolysis reaction to 180-190 °C, while the produced catalyst made the pyrolysis reaction possible between 120 and 130 °C. The output of the pyrolysis reaction was a hydrocarbon oil, which was analysed using gas chromatography-flame ionization detector (GC-FID). The oil was found to have a composition between C6 and C20, which includes petroleum, kerosene, and diesel. Hence, the oil obtained was proven to be more useful, as a fuel for locomotive and reheating purposes.
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Affiliation(s)
- Nandakumar Jahnavi
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India
| | - Kumar Kanmani
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India
| | - Ponnusamy Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - Sunita Varjani
- Gujarat Pollution Control Board, Sector-10A, Gandhinagar, Gujarat, 382010, India.
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Wu Q, Jiang L, Wang Y, Dai L, Liu Y, Zou R, Tian X, Ke L, Yang X, Ruan R. Pyrolysis of soybean soapstock for hydrocarbon bio-oil over a microwave-responsive catalyst in a series microwave system. BIORESOURCE TECHNOLOGY 2021; 341:125800. [PMID: 34438288 DOI: 10.1016/j.biortech.2021.125800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
A novel Silicon carbide (SiC) foam ceramic based ZSM-5/SiC nanowires microwave-responsive catalyst was developed to upgrade the pyrolysis volatiles in a microwave-assisted series system (both the pyrolysis and catalytic systems were heated by microwave). The growth of SiC nanowires was helpful for the ZSM-5 growth on the SiC foam ceramic. Because the specific surface area of SiC foam ceramic was improved. The dielectric properties of the composite catalyst were improved due to the growth of SiC nanowires. Bio-oil composition analysis showed that area percentage of hydrocarbons and aromatic hydrocarbons could reach 80.89% and 40.48% at catalytic temperature of 450 ℃and 500 ℃, respectively. The microwave-responsive composite catalyst had good aromatization performance in microwave-assisted series system due to high dielectric properties and specific surface area. The composite catalyst performed well after five-cycle regeneration, and the hydrocarbon content could still reach 76.40%, which is 80.89% for the original catalyst.
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Affiliation(s)
- Qiuhao Wu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China
| | - Lin Jiang
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China
| | - Yunpu Wang
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China.
| | - Leilei Dai
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China; Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave., St. Paul MN 55108, USA
| | - Yuhuan Liu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China
| | - Rongge Zou
- Department of Biological Systems Engineering, Washington State University, 2710 Crimson Way, Richland, WA 99354-1671, USA
| | - Xiaojie Tian
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China
| | - Linyao Ke
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China
| | - Xiuhua Yang
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, China
| | - Roger Ruan
- Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave., St. Paul MN 55108, USA
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He T, Zhong S, Liu C, Shujaa A, Zhang B. Enhancing hydrocarbon production via ex-situ catalytic co-pyrolysis of biomass and high-density polyethylene: Study of synergistic effect and aromatics selectivity. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 128:189-199. [PMID: 33992999 DOI: 10.1016/j.wasman.2021.04.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 04/28/2021] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
We conducted ex-situ catalytic fast co-pyrolysis (co-CFP) of corn stalk (CS) and high-density polyethylene (HDPE) over HZSM-5 catalyst to enhance the production of hydrocarbons. The effect of pyrolysis temperature and CS-to-HDPE mass ratio (CS/HDPE) on the yield of condensable volatile organic products (CVOPs) and the relative content of hydrocarbons were studied. The synergisms between CS and HDPE were determined based on the difference between the experimental and theoretical CVOP and hydrocarbons content. The results showed that the addition of HDPE significantly promotes the production of CVOPs, reaching the maximum value at 750 °C. In the presence of HZSM-5, the CVOP and hydrocarbons production, especially aromatics, were enhanced further, and 650 °C and 700 °C were the preferable pyrolysis temperature for desired products. Benzene, toluene, and xylenes were the predominant aromatics during the CFP process due to the good shape-selectivity of HZSM-5, contributing to the highest selectivity of C5-C11 compounds in C5+ hydrocarbons. CS/HDPE mass ratio of 1:1 was a critical point for enhancing aromatics yield. CS/HDPE < 1 was the recommended mass ratio for increasing the relative aromatic hydrocarbons content, which increases as the CS/HDPE mass ratio decreases. Meanwhile, we presented the potential reaction pathways between CS and HDPE to explain the synergistic effects during the co-CFP process.
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Affiliation(s)
- Tengfei He
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China.
| | - Siying Zhong
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China
| | - Chenhao Liu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China
| | - Awsan Shujaa
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China
| | - Bo Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China.
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Du H, Zhong Z, Zhang B, Fu J, Li Z. Pyrolysis of bamboo over
Ce/Fe
composite metal oxide catalyst to enhance the production of hydrocarbons and ketonic hydrocarbon precursors. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.23977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Haoran Du
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education Southeast University Nanjing China
| | - Zhaoping Zhong
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education Southeast University Nanjing China
| | - Bo Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education Southeast University Nanjing China
| | - Jimin Fu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education Southeast University Nanjing China
| | - Zhaoying Li
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education Southeast University Nanjing China
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Karmee SK, Kumari G, Soni B. Pilot scale oxidative fast pyrolysis of sawdust in a fluidized bed reactor: A biorefinery approach. BIORESOURCE TECHNOLOGY 2020; 318:124071. [PMID: 32920336 DOI: 10.1016/j.biortech.2020.124071] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 08/26/2020] [Accepted: 08/30/2020] [Indexed: 06/11/2023]
Abstract
Oxidative fast pyrolysis of sawdust was performed in a pilot scale fluidized bed system (3 kg/h) under stabilized experimental conditions (0.20 equivalence ratio and 550 °C). Experiments were performed in non-catalytic and catalytic (ZSM-5) mode. During non-catalytic fast pyrolysis, bio-oil (∼38 wt%), bio-char (∼12 wt%) and pyro-gas (∼50 wt%) were obtained; in contrast, for catalytic fast pyrolysis bio-oil, bio-char and pyro-gas yields were ∼44 wt%, ∼4 wt% and ∼52 wt% respectively. The obtained bio-oil was characterized through CHNSO, NMR (1H and 13C NMR), FT-IR and GC-MS techniques. GC-MS analysis of the bio-oil shows it is a mixture of ∼21 chemical compounds. Furthermore, NMR (1H and 13C NMR) and FT-IR results indicates presence of hydrocarbon, alcohol, phenol and aldehyde in the bio-oil. The TGA of bio-char shows that it is stable up to 950 °C. The activation energies (Ea) of sawdust and bio-char are found to be 112.3 kJ/mol and 46.92 kJ/mol respectively. FT-IR analysis of bio-char clearly revealed removal of functionalized organic compounds during devolatilization of sawdust. In addition, GC analysis of pyro-gas suggests that it is a mixture of N2 (35.55 vol%), CO (34.49 vol%), CO2 (16.80 vol%), H2 (4.54 vol%), O2 (4.25 vol%), and CH4 (4.41 vol%).
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Affiliation(s)
- Sanjib Kumar Karmee
- Thermo-Chemical Conversion Technology Division, Sardar Patel Renewable Energy Research Institute (SPRERI), Vallabh Vidyanagar, 388 120 Anand, Gujarat, India.
| | - Geeta Kumari
- Thermo-Chemical Conversion Technology Division, Sardar Patel Renewable Energy Research Institute (SPRERI), Vallabh Vidyanagar, 388 120 Anand, Gujarat, India
| | - Bhavin Soni
- Thermo-Chemical Conversion Technology Division, Sardar Patel Renewable Energy Research Institute (SPRERI), Vallabh Vidyanagar, 388 120 Anand, Gujarat, India
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Ahmed MHM, Batalha N, Mahmudul HMD, Perkins G, Konarova M. A review on advanced catalytic co-pyrolysis of biomass and hydrogen-rich feedstock: Insights into synergistic effect, catalyst development and reaction mechanism. BIORESOURCE TECHNOLOGY 2020; 310:123457. [PMID: 32371033 DOI: 10.1016/j.biortech.2020.123457] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/25/2020] [Accepted: 04/26/2020] [Indexed: 06/11/2023]
Abstract
The depletion of fossil fuel reserves and the growing demand for alternative energy sources are the main drivers of biomass and carbonaceous waste utilization. Particularly, non-edible lignocellulosic biomass is the most attractive renewable feedstock due to its abundance. Pyrolysis of biomass produces highly oxygenated compounds with oxygen content >35 wt%. The cost-effective elimination of oxygen from the pyrolysis oil is the most challenging task impeding the commercialization of biomass to biofuel processes. The effective hydrogen/carbon ratio in biomass pyrolysis oil is low (0.3), requiring external hydrogen supply to produce hydrocarbon-rich oils. Exploiting hydrogen-rich feedstock particularly, solid waste (plastic, tyre and scum) and other low-cost feedstock (lubricant oil, methane, methanol, and ethanol) offer an eco-friendly solution to upgrade the produced bio-oil. Multi-functional catalysts that are capable of cleaving oxygen, promoting hydrogen transfer and depolymerisation must be developed to produce hydrocarbon-rich oil from biomass. This review compares catalytic co-pyrolysis studies based on zeolites, mesoporous silica and metal oxides. Furthermore, a wide range of catalyst modifications and the role of each feedstock were summarised to give a complete picture of the progress made on biomass co-pyrolysis research and development.
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Affiliation(s)
- Mohamed H M Ahmed
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Australia
| | - Nuno Batalha
- School of Chemical Engineering, The University of Queensland, Brisbane 4072, Australia
| | - Hasan M D Mahmudul
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Australia
| | - Greg Perkins
- School of Chemical Engineering, The University of Queensland, Brisbane 4072, Australia
| | - Muxina Konarova
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Australia.
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15
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Huo E, Lei H, Liu C, Zhang Y, Xin L, Zhao Y, Qian M, Zhang Q, Lin X, Wang C, Mateo W, Villota EM, Ruan R. Jet fuel and hydrogen produced from waste plastics catalytic pyrolysis with activated carbon and MgO. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 727:138411. [PMID: 32334209 DOI: 10.1016/j.scitotenv.2020.138411] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/06/2020] [Accepted: 04/01/2020] [Indexed: 06/11/2023]
Abstract
Catalytic pyrolysis of waste plastics to produce jet fuel and hydrogen using activated carbon and MgO as catalysts was studied. The effects of catalyst to waste plastics ratio experimental temperature, catalyst placement and activated carbon to MgO ratio on the yields and distributions of pyrolysis products were studied. The placement of catalysts played an important role on the catalytic pyrolysis of LDPE, and the pyrolytic volatiles first flowing through MgO and then biomass-derived activated carbon (BAC) could obtain an excellent result to produce H2 and jet fuel-rich products. The higher pyrolysis temperature converted diesel range alkanes into jet fuel range alkanes and promoted the aromatization of alkanes to generate aromatic hydrocarbons. BAC and MgO as catalysts had excellent performance in catalytic conversion of LDPE to produce hydrogen and jet fuel. 100 area.% jet fuel range products can be obtained in LDPE catalytic pyrolysis under desired experimental conditions. The combination of BAC and MgO as catalysts had a synergy effect on the gaseous product distribution and promoted the production of hydrogen, and up to 94.8 vol% of the obtained gaseous components belonged to hydrogen. This work provided an effective, convenient and economical pathway to produce jet fuel and hydrogen from waste plastics.
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Affiliation(s)
- Erguang Huo
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA; Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Hanwu Lei
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA.
| | - Chao Liu
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Yayun Zhang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Liyong Xin
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Yunfeng Zhao
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
| | - Moriko Qian
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
| | - Qingfa Zhang
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA; School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
| | - Xiaona Lin
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA; School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
| | - Chenxi Wang
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
| | - Wendy Mateo
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
| | - Elmar M Villota
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, USA
| | - Roger Ruan
- Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave., St. Paul, MN 55108, USA
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16
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Lei L, Wang Y, Zhang Z, An J, Wang F. Transformations of Biomass, Its Derivatives, and Downstream Chemicals over Ceria Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01900] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Lijun Lei
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Yehong Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Zhixin Zhang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Jinghua An
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Feng Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
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17
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Biomass Pyrolysis Technology by Catalytic Fast Pyrolysis, Catalytic Co-Pyrolysis and Microwave-Assisted Pyrolysis: A Review. Catalysts 2020. [DOI: 10.3390/catal10070742] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
With the aggravation of the energy crisis and environmental problems, biomass resource, as a renewable carbon resource, has received great attention. Catalytic fast pyrolysis (CFP) is a promising technology, which can convert solid biomass into high value liquid fuel, bio-char and syngas. Catalyst plays a vital role in the rapid pyrolysis, which can increase the yield and selectivity of aromatics and other products in bio-oil. In this paper, the traditional zeolite catalysts and metal modified zeolite catalysts used in CFP are summarized. The influence of the catalysts on the yield and selectivity of the product obtained from pyrolysis was discussed. The deactivation and regeneration of the catalyst were discussed. Catalytic co-pyrolysis (CCP) and microwave-assisted pyrolysis (MAP) are new technologies developed in traditional pyrolysis technology. CCP improves the problem of hydrogen deficiency in the biomass pyrolysis process and raises the yield and character of pyrolysis products, through the co-feeding of biomass and hydrogen-rich substances. The pyrolysis reactions of biomass and polymers (plastics and waste tires) in CCP were reviewed to obtain the influence of co-pyrolysis on composition and selectivity of pyrolysis products. The catalytic mechanism of the catalyst in CCP and the reaction path of the product are described, which is very important to improve the understanding of co-pyrolysis technology. In addition, the effects of biomass pretreatment, microwave adsorbent, catalyst and other reaction conditions on the pyrolysis products of MAP were reviewed, and the application of MAP in the preparation of high value-added biofuels, activated carbon and syngas was introduced.
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18
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Özsin G. Assessing thermal behaviours of cellulose and poly(methyl methacrylate) during co-pyrolysis based on an unified thermoanalytical study. BIORESOURCE TECHNOLOGY 2020; 300:122700. [PMID: 31918293 DOI: 10.1016/j.biortech.2019.122700] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 12/24/2019] [Indexed: 06/10/2023]
Abstract
The objective of this study was to evaluate pyrolysis and co-pyrolysis behavior of cellulose and poly(methyl methacrylate) (PMMA) and examine the kinetics of the processes by using thermogravimetric analysis (TGA) coupled with FT-IR spectrometry. For this purpose, non-isothermal experiments were carried out using different heating rates and three prominent iso-conversional methods were used to obtain kinetic parameters at various extents of conversions from 0.1 to 0.9. Blending PMMA with cellulose had a marked effect on the process. The results of co-pyrolysis using a blending ratio of 50 wt% PMMA indicated that the highest rate of pyrolytic transformation was achieved at a conversion degree of 0.5 while activation energy ranged from 188.1 to 364.3 kJ/mol. The most intensive gas release during cellulose pyrolysis was CO2. Co-pyrolysis was more complicated than that of pyrolysis of cellulose and PMMA due to depolymerization and radical interactions.
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Affiliation(s)
- Gamzenur Özsin
- Bilecik Şeyh Edebali University, Faculty of Engineering, Department of Chemical Engineering, Bilecik, Turkey.
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19
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Mateo W, Lei H, Villota E, Qian M, Zhao Y, Huo E, Zhang Q, Lin X, Wang C, Huang Z. Synthesis and characterization of sulfonated activated carbon as a catalyst for bio-jet fuel production from biomass and waste plastics. BIORESOURCE TECHNOLOGY 2020; 297:122411. [PMID: 31767431 DOI: 10.1016/j.biortech.2019.122411] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/08/2019] [Accepted: 11/09/2019] [Indexed: 06/10/2023]
Abstract
Sulfonated activated carbon-based catalysts were prepared by microwaved-assisted carbonization of phosphoric acid activated corncob followed by sulfonation using concentrated sulfuric acid. Sulfonation at different temperatures and times resulted in varied SO3H group density of the SAC catalysts. Sulfonation temperature showed a significant effect on the introduction of SO3H on the AC precursor while time had minor role. The SAC catalysts were characterized by means of N2 sorption analysis (specific surface area, pore-volume, average pore width), FTIR spectroscopy, SEM imaging, and sulfur analysis. The impact of catalysts SO3H density on the product distribution and bio-oil composition from the catalytic co-pyrolysis of Douglas fir and LDPE was evaluated. The highest bio-jet fuels (aromatics and C9-16 alkanes) obtained was 97.51% using the SAC catalyst sulfonated at 100 °C for 5 h. Results showed that SAC has great potential as catalyst in the co-pyrolysis of biomass and plastics for the production of jet-fuel range hydrocarbons.
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Affiliation(s)
- Wendy Mateo
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States; Department of Agricultural and Biosystems Engineering, Central Luzon State University, Science City of Muñoz 3120, Nueva Ecija, Philippines
| | - Hanwu Lei
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States.
| | - Elmar Villota
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States; Department of Agricultural and Biosystems Engineering, Central Luzon State University, Science City of Muñoz 3120, Nueva Ecija, Philippines
| | - Moriko Qian
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
| | - Yunfeng Zhao
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
| | - Erguang Huo
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
| | - Qingfa Zhang
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
| | - Xiaona Lin
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
| | - Chenxi Wang
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
| | - Zhiyang Huang
- Department of Biological Systems Engineering, Washington State University, Richland, WA 99354-1671, United States
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20
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Deng T, Yu Z, Zhang X, Zhang Y, Chen L, Ma X. Catalytic co-pyrolysis behaviors and kinetics of camellia shell and take-out solid waste using pyrolyzer - gas chromatography/mass spectrometry and thermogravimetric analyzer. BIORESOURCE TECHNOLOGY 2020; 297:122419. [PMID: 31761629 DOI: 10.1016/j.biortech.2019.122419] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 06/10/2023]
Abstract
The influences of operating temperature, catalyst types and mixing ratios on co-pyrolysis of camellia shell (CS) and take-out solid waste (TSW) were investigated through orthogonal experiments design. The target was to gain more aliphatic hydrocarbons and monocyclic aromatic hydrocarbons (MAHs) and reduce the production of acids. According to orthogonal experiments results, higher temperature contributed to generate aliphatic hydrocarbons and inhibit formation of acids. Combined utilization of HZSM-5 and CaO was effective to obtain more MAHs and reduce acids. With the improvement of proportion of TSW, the yield of aliphatic hydrocarbons increased and acids decreased. The mixing ratio of CS and TSW was 3:7, 700 °C was chosen as operating temperature and combined utilization of HZSM-5 and CaO were identified. The apparent activation energy (Eave) of CS, TSW and their blends were calculated. 3CS7TSW had the lowest Eave which were 165.33 kJ/mol (by OFW) and 163.14 kJ/mol (by KAS).
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Affiliation(s)
- Tonghui Deng
- School of Electric Power, South China University of Technology, Guangzhou 510640, China; Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China
| | - Zhaosheng Yu
- School of Electric Power, South China University of Technology, Guangzhou 510640, China; Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China.
| | - Xikui Zhang
- School of Electric Power, South China University of Technology, Guangzhou 510640, China; Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China
| | - Yaqi Zhang
- School of Electric Power, South China University of Technology, Guangzhou 510640, China; Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China
| | - Lin Chen
- School of Electric Power, South China University of Technology, Guangzhou 510640, China; Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China
| | - Xiaoqian Ma
- School of Electric Power, South China University of Technology, Guangzhou 510640, China; Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China
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21
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Rex P, Miranda LR. Catalytic activity of acid-treated biomass for the degradation of expanded polystyrene waste. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:438-455. [PMID: 31797273 DOI: 10.1007/s11356-019-07034-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 11/11/2019] [Indexed: 06/10/2023]
Abstract
Pyrolysis processes were investigated using expanded polystyrene waste (EPW) with a catalyst synthesized from rice husk (RH). Biomass was treated with different acids, i.e., sulfuric acid, oxalic acid, and hydrochloric acid. The effect of normality on the oxalic acid-treated catalyst and the effects of polymer to catalyst ratio on (i) oil, gas, and residues yields; (ii) temperature; and (iii) time for the complete reaction were investigated for the effective use of oil for fuel production. The catalyst treated with 0.25 N (RHOA0.25) resulted in a high oil yield of 96 wt% and a residue yield of 3.47 wt%. The oil produced contained mainly aromatic compounds, which contributed 67.86% in an area-based GC-MS analysis. The synthesized catalyst showed a stable capacity for three regeneration runs. The significant factor is that the synthesized catalyst decreased the activation energy during the pyrolysis of EPW. Graphical abstract.
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Affiliation(s)
- Prathiba Rex
- Department of Chemical Engineering, A. C. College of Technology, Anna University, Sardar Patel Road, Chennai, Tamil Nadu, 600 025, India
| | - Lima Rose Miranda
- Department of Chemical Engineering, A. C. College of Technology, Anna University, Sardar Patel Road, Chennai, Tamil Nadu, 600 025, India.
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22
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Iftikhar H, Zeeshan M, Iqbal S, Muneer B, Razzaq M. Co-pyrolysis of sugarcane bagasse and polystyrene with ex-situ catalytic bed of metal oxides/HZSM-5 with focus on liquid yield. BIORESOURCE TECHNOLOGY 2019; 289:121647. [PMID: 31212173 DOI: 10.1016/j.biortech.2019.121647] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/10/2019] [Accepted: 06/11/2019] [Indexed: 06/09/2023]
Abstract
Catalytic co-pyrolysis of sugarcane bagasse (SCB) and polystyrene (PS) was conducted in a fixed bed reactor over microporous HZSM-5, mesoporous metal oxides (MgO, CaO) and their blends to examine the effect on pyrolytic liquid yields and quality. Though the catalyst addition decreased the liquid yield, improvement in mono-aromatic hydrocarbon yield with the least content of oxygenates was achieved in the catalytic trials. Results revealed that HZSM-5 showed maximum conversion efficiency of acids, furans and phenols acting as hydrocarbon source for aromatic production. Basic MgO, with acidic HZSM-5, was found to conduce better catalytic performance yielding improved oil quality compared to HZSM-5:CaO catalyst. Mass ratio of 1:3 HZSM-5:MgO exhibited most eminent synergistic effect with maximum (56.8 wt%) mono-aromatic hydrocarbon (MAH) yield and lowest (20.8 wt%) poly-aromatic hydrocarbon (PAH) content. Additionally, increased calorific value and density upgradation comparable to standard diesel fuel quality were observed in the presence of dual catalyst layout.
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Affiliation(s)
- Hera Iftikhar
- Institute of Environmental Sciences and Engineering (IESE), School of Civil and Environmental Engineering (SCEE), National University of Sciences and Technology (NUST) H-12 Campus, Islamabad (44000), Pakistan
| | - Muhammad Zeeshan
- Institute of Environmental Sciences and Engineering (IESE), School of Civil and Environmental Engineering (SCEE), National University of Sciences and Technology (NUST) H-12 Campus, Islamabad (44000), Pakistan.
| | - Saeed Iqbal
- United States-Pakistan Center for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST) H-12 Campus, Islamabad (44000), Pakistan
| | - Bushra Muneer
- Institute of Environmental Sciences and Engineering (IESE), School of Civil and Environmental Engineering (SCEE), National University of Sciences and Technology (NUST) H-12 Campus, Islamabad (44000), Pakistan
| | - Madiha Razzaq
- Institute of Environmental Sciences and Engineering (IESE), School of Civil and Environmental Engineering (SCEE), National University of Sciences and Technology (NUST) H-12 Campus, Islamabad (44000), Pakistan
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23
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Jiang L, Wang Y, Dai L, Yu Z, Yang Q, Yang S, Jiang D, Ma Z, Wu Q, Zhang B, Liu Y, Ruan R. Co-pyrolysis of biomass and soapstock in a downdraft reactor using a novel ZSM-5/SiC composite catalyst. BIORESOURCE TECHNOLOGY 2019; 279:202-208. [PMID: 30735929 DOI: 10.1016/j.biortech.2019.01.119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/23/2019] [Accepted: 01/24/2019] [Indexed: 06/09/2023]
Abstract
A ZSM-5/SiC composite catalyst was synthesized and characterized by Brunauer-Emmett-Teller analysis, X-ray diffraction, and scanning electron microscopy in this study. The composite catalyst had the characteristics of ZSM-5 and SiC, and the surface of SiC grew evenly with a layer of ZSM-5. The effect of the composite catalyst on the product distribution and chemical composition in a co-pyrolysis downdraft system was investigated. In a down system with a catalytic temperature of 450 °C, a feed-to-catalyst ratio of 2:1, and a soybean-soapstock-to-straw ratio of 1:1, the proportions of alkanes, olefins, aromatics, and phenoxy compounds were 6.82%, 4.5%, 73.56% and 11.11%, respectively. The composite catalyst combined the catalytic performance of ZSM-5 and SiC, increasing the proportion of aromatics and decreasing the proportion of oxygen-containing compound in the bio-oil. Moreover, the composite catalyst maintained its activity after reusing several times.
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Affiliation(s)
- Lin Jiang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Yunpu Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China.
| | - Leilei Dai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Zhenting Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Qi Yang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Sha Yang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Deyu Jiang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Zhiyun Ma
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Qiuhao Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Bo Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China
| | - Yuhuan Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Roger Ruan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China; Center for Biorefining and Department of Bioproducts and Biosystems Engineering University of Minnesota, 1390 Eckles Ave., St. Paul, MN 55108, USA
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24
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Zhou Z, Chen X, Wang Y, Liu C, Ma H, Zhou C, Qi F, Yang J. Online photoionization mass spectrometric evaluation of catalytic co-pyrolysis of cellulose and polyethylene over HZSM-5. BIORESOURCE TECHNOLOGY 2019; 275:130-137. [PMID: 30580234 DOI: 10.1016/j.biortech.2018.12.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 12/13/2018] [Accepted: 12/14/2018] [Indexed: 06/09/2023]
Abstract
The hydrogen-deficient and oxygen-rich nature of lignocellulosic biomass prohibits effective conversions of biomass to fuels and chemicals via catalytic pyrolysis due to significant coking of the catalysts. Co-feeding of biomass feedstock with hydrogen-rich and oxygen-deficient thermoplastics could improve the process. Herein, thermal and catalytic co-pyrolysis of cellulose and polyethylene (PE) was studied via thermogravimetry combined with an online photoionization time-of-flight mass spectrometry (PI-TOF-MS). No notable synergetic effect was found in the thermal co-pyrolysis process while a considerable synergetic effect was observed during the catalytic co-pyrolysis. In the case of catalytic pyrolysis, co-feeding of cellulose with PE significantly improved the aromatic formation. Detailed reaction intermediates and products were detected by PI-TOF-MS and the process of aromatization could be ascribed to aromatization of small oxygenates and olefins, as well as Diels-Alder reaction and dehydration by HZSM-5. Moreover, this study provides a reliable tool for screening and optimizing of catalytic co-pyrolysis.
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Affiliation(s)
- Zhongyue Zhou
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Xiamin Chen
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Yizun Wang
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Chunjiang Liu
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Hao Ma
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Chaoqun Zhou
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Fei Qi
- Key Laboratory for Power Machinery and Engineering of Ministry of Education (MOE), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Jiuzhong Yang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China
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25
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Zhang Y, Yi W, Fu P, Li Z, Wang N, Tian C. Numerical simulation and experiment on catalytic upgrading of biomass pyrolysis vapors in V-shaped downer reactors. BIORESOURCE TECHNOLOGY 2019; 274:207-214. [PMID: 30508747 DOI: 10.1016/j.biortech.2018.11.093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/23/2018] [Accepted: 11/24/2018] [Indexed: 06/09/2023]
Abstract
Catalytic upgrading of biomass pyrolysis vapors is an effective utilization technology of biomass energy. Based on the disadvantages of commonly used reactors, the V-shaped downer reactors were designed to increase gas-solid two-phase turbulent intensity, contact frequency and then increase the catalytic efficiency in short residence time. The catalytic upgrading of pyrolysis vapors in V-shaped downer reactors in terms of hydrodynamics, chemical reaction and residence time distribution were analyzed by CFD simulation and experiment. The results indicate that the solid concentration gradient decreases while flowing down. The overall mass fraction of the bio-oil vapors is around 50%. The mean residence time of catalysts in the V-shaped reactor is 2.0 s-3.0 s. The effects on product yield and residence time distribution were investigated for optimizing product selectivity and the performance of catalysts. In this paper the optimal flow rates of gas and catalysts are vg = 1.2 m s-1, vs = 0.4 m s-1.
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Affiliation(s)
- Yuchun Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - Weiming Yi
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Peng Fu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Zhihe Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Nana Wang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Chunyan Tian
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
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