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Recent advances in functional utilisation of environmentally friendly and recyclable high-performance green biocomposites: A review

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Chinese Chemical Letters 2024年第4期35卷 73-85页

作者： Guiyang Zheng Xuelian Kang Haoran Ye Wei Fan Christian Sonne su shiung lam Rock Keey Liew Changlei Xia Yang Shi Shengbo Ge Co-Innovation Center of Efficient Processing and Utilization of Forest Resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China School of Textile Science and Engineering&Key Laboratory of Functional Textile Material and Product of Ministry of Education Xi'an Polytechnic UniversityXi'an 710048China Department of Bioscience Arctic Research Centre(ARC)Aarhus UniversityFrederiksborgvej 399PO Box 358DK-4000 RoskildeDenmark sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesDehradunUttarakhand 248007India Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia Center for Transdisciplinary Research Saveetha Institute of Medical and Technical SciencesSaveetha UniversityChennai 600072India NV Western PLT Georgetown 10400PenangMalaysia Aerospace Kaitian Environmental Technology Co. Ltd.Changsha 410000China Hunan Hongsen Novel Material Technology Co. Ltd.Yiyang 413407China

Humans have relied on biomass for survival and development since the Stone Age. All aspects of human needs for materials are covered by tools, fuel, and buildings. Nowadays, metals and petroleum-based materials are widely used in highly developed industries. Unfortunately, environmental contamination and the loss of natural resources have led to the reemergence of biomass resources as efficient and sustainable energy sources. Notably, simple and direct applications can no longer meet the demand for functionalization, high performance of materials and construction materials. Therefore, it is imperative to modify biomass and combine its utilisation to produce functionalization and high performance materials. For example, construction materials with superior mechanical properties and water resistance can be produced by reinforcing fibres to facilitate crosslinking. Water-oil separation or adsorption effects of hydrogels and aerogels are determined by the porosity and lightness of biomass, biocomposite conductor is prepared by chimaeric conductive material. Here, we review the approaches that have been taken to devise an environmentally friendly yet fully recyclable and sustainable functionalised biocomposites from biomass and its potential directions for future research.

关键词： Biocomposite Renewable sustainability Advanced functional material Pollution mitigation

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Thermal pyrolysis conversion of methane to hydrogen(H_(2)):A review on process parameters,reaction kinetics and techno-economic analysis

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Chinese Chemical Letters 2024年第8期35卷 62-73页

作者： Yi Herng Chan Zhe Phak Chan Serene Sow Mun Lock Chung Loong Yiin Shin Ying Foong Mee Kee Wong Muhammad Anwar Ishak Ven Chian Quek Shengbo Ge su shiung lam PETRONAS Research Sdn.Bhd.(PRSB) Kawasan Institusi BangiLot 3288&3289Off Jalan Ayer ItamKajang 43000Malaysia PETRONAS Carbon Capture&Storage(CCS)Enterprise PETRONAS Twin TowersKuala Lumpur City CentreKuala Lumpur 50088Malaysia CO_(2)Research Center(CO2RES) Department of Chemical EngineeringUniversiti Teknologi PETRONASSeri Iskandar 32610Malaysia Department of Chemical Engineering and Energy sustainability Faculty of EngineeringUniversiti Malaysia Sarawak(UNIMAS)Kota Samarahan 94300Malaysia Institute of sustainable and Renewable Energy(IsuRE) Universiti Malaysia Sarawak(UNIMAS)Kota Samarahan 94300Malaysia Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia TerengganuKuala Nerus 21030Malaysia Co-Innovation Center of Efficient Processing and Utilization of Forest Resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Center for Global Health Research(CGHR) Saveetha Medical CollegeSaveetha Institute of Medical and Technical Sciences(SIMATS)Saveetha UniversityChennai 602105India

Hydrogen(H_(2))is a promising renewable energy which finds wide applications as the world gears toward low-carbon ***,current H_(2) production via steam methane reforming of natural gas or gasification of coal are laden with high CO_(2) ***,methane(CH_(4))pyrolysis has emerged as a potential technology to generate low-carbon H_(2) and solid *** this review,the current state-of-art and recent progress of H_(2) production from CH_(4) pyrolysis are reviewed in *** such as funda-mental mechanism and chemistry involved,effect of process parameters on the conversion efficiency and reaction kinetics for various reaction media and catalysts are elucidated and critically ***-ature,among other factors,plays the most critical influence on the methane pyrolysis *** metal/salt could lower the operating temperature of methane pyrolysis tosually operates in the regime of>1000℃.Based on the reaction kinetics,metal-based cata-lysts were more efficient in lowering the activation energy of the reaction to 29.5-88 kJ/mol from that of uncatalyzed reaction(147-420.7 kJ/mol).Besides,the current techno-economic performance of the pro-cess reveals that the levelized cost of H_(2) is directly influenced by the sales price of carbon(by-product)generated,which could offset the overall ***,the main challenges of reactor design for efficient product separation and retrieval,as well as catalyst deactivation/poisoning need to be debottlenecked.

关键词： Pyrolysis Methane Hydrogen Reaction kinetics Techno-economic analysis

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Is engineered wood China’s way to carbon neutrality?

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Journal of Bioresources and Bioproducts 2022年第2期7卷 1-2页

作者： Christian Sonne Changlei Xia su shiung lam Department of Ecoscience Faculty of Technological SciencesAarhus UniversityRoskilde DK-4000Denmark sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesUttarakhand 248007India Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia

China emits more than 25%of the world’s carbon dioxide(https://***/co2-emissions),and in December 2021 the country’s daily carbon trading volume hits a new highest *** with the EU and USA,China bears a great responsibility to limit global warming to 2℃,and therefore recently launches a plan to be carbon-neutral be-fore 2060(https://***/co2-emissions).However,its rapid urbanization challenges this initiative as the boom-ing building and construction industry constitute more than 1/3 of the total energy consumption,which undesirably in-creases carbon emissions(IEA,2019;Duan et al.,2021).Although China has built five new nuclear power stations and closed down more than 1000 coal-fired power plants,it is still highly insufficient to meet the country’s goal to be carbon-neutral(https://***/countries/china/).

关键词： Climate change Engineered wood Carbon neutrality Building material China

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Plastic crisis underscores need for alternative sustainable-renewable materials

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Journal of Bioresources and Bioproducts 2022年第3期7卷 145-147页

作者： su shiung lam Changlei Xia Christian Sonne Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia Academy of Sciences Malaysia Young Scientists NetworkTop Research Scientists Malaysia(TRSM)Kuala Lumpur 50480Malaysia Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Department of Ecoscience Faculty of Technological SciencesAarhus UniversityRoskilde DK-4000Denmark sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesDehradun 248007India

The current global plastic crisis is triggered by several factors including increased costs of petrochemical feedstock and Covid-19 disruption of the transport sector(Yuan et al.,2021).This disruption of world-wide supply chains of polyethylene,polypropylene and other petroleum-based hydrocarbon chemicals has significantly increased shortage and prices of plastics in for example Europe over the last year,hence calling for sustainable alternatives to conventional plastics(WMW,2021,European Plastic Manufacturers sound the Alarm Bell on supply Chain Disruption,Waste Management World.).This is critical due to extensive use of the non-biodegradable personal protective equipment(PPE)masks in the current pandemic,which might be even worse than the shortage of polyolefins at the moment(Deng et al.,2022).

关键词： Plastic sustainable material Green chemistry Waste Thermochemical conversion

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Microwave physicochemical activation:an advanced approach to produce activated biochar for palm oil mill effluent treatment

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Waste Disposal and sustainable Energy 2022年第4期4卷 323-333页

作者： Kew Kiong Kong Peter Nai Yuh Yek How Sing Sii Man Djun Lee Rock Keey Liew su shiung lam Centre for Research of Innovation and sustainable Development University of Technology Sarawak96000SibuSarawakMalaysia Department of Mechanical Engineering Curtin University98009MiriSarawakMalaysia NV WESTERN PLT No.208BSecond FloorMacalister Road10400GeorgetownPenangMalaysia Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia TerengganuKuala Nerus21030TerengganuMalaysia sustainability Cluster School of EngineeringUniversity of Petroleum and Energy StudiesDehradunUttarakhand248007India

Empty fruit bunch(EFB)is an industrial waste that is abundantly available in ***,EFBs were burned and dumped on the plantation site,resulting in global warming pollution from methane and carbon *** this study,the EFB was transformed into a high-surface area of activated biochar through a microwave physicochemical approach involving the combination of steam followed by a hydroxide mixture for palm oil mill effluent(POME)*** was found that BET(Brunauer-Emmett-Teller)surface area and total pore volume of activated biochar were 365.60 m^(2)/g and 0.16 cm^(3)/g,*** surface morphology of activated biochar revealed the formation of well-developed pores that can potentially be used as adsorbents to treat *** removal efficiency of biochemical oxygen demand(BOD)and chemical oxygen demand(COD)of POME achieved 75%-55%,*** study offers insight into the transformation of industrial waste into value-added products for sustainable environmental remediation.

关键词： Empty fruit bunch Microwave Physicochemical Activated biochar Palm oil mill effluent

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Microwave torrefaction of empty fruit bunch pellet:Simulation and validation of electric field and temperature distribution

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Journal of Bioresources and Bioproducts 2022年第4期7卷 270-277页

作者： Peter Nai Yuh Yek Sieng Huat Kong Ming Chiat Law Changlei Xia Rock Keey Liew Teck sung Sie Jun Wei Lim su shiung lam Centre for Research of Innovation and sustainable Development University of Technology SarawakJalan UniversitySibuSarawak 96000Malaysia School of Foundation Studies University of Technology SarawakJalan UniversitySibuSarawak 96000Malaysia Department of Mechanical Engineering Faculty of Engineering and ScienceCurtin University Malaysia CampusMiriSarawak 98009Malaysia Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China NV WESTERN PLT GeorgetownPenang 10400Malaysia Department of Fundamental and Applied Sciences HICoE-Centre for Biofuel and Biochemical ResearchInstitute of Self-Sustainable BuildingUniversity Technology PETRONASDarul RidzuanSeri IskandarPerak 32610Malaysia Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)University Malaysia TerengganuKuala NerusTerengganu 21030Malaysia sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesDehradunUttarakhand 248007India

Microwave simulation is significant in identifying a reactor design allowing the biomass to be heated and processed *** study integrated the radio frequency and transient heat transfer modules to simulate the microwave distribution and investigated the performance of microwave heating in the *** simulation results were compared with the experimental findings us-ing the finite element analysis software of COMSOL MULTIPHYSICS to predict the temperature profile and electric field of microwave in the biomass(empty fruit bunch pellets).The higher temperature distribution was observed at the bottom and centre section of the empty fruit bunch pellet bed in the reactor,showing the uniqueness of microwave *** to the simula-tion results,the temperature profile obtained through the specific cavity geometry and dielectric properties agreed with the experimental temperature *** simulated temperature profile demonstrated a logarithmic increase of 120°C/min at the first 50 s followed by 50°C/min until 350 *** experimental temperature profile showed three different heating rates before reaching 300°C,including 78.3°C/min(50-120°C),30.6°C/min(121-250°C),and 105°C/min(250-300°C).The results of this study might contribute to the improvement of microwave heating in biomass torrefaction.

关键词： Microwave Torrefaction Simulation Energy Temperature

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Ban fluorinated organic substances to spark green alternatives

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Eco-Environment & Health 2022年第2期1卷 105-106页

作者： Christian Sonne Changlei Xia su shiung lam Aarhus University Faculty of Technological SciencesDepartment of EcoscienceDK-4000 RoskildeDenmark sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesDehradunUttarakhand 248007India Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Universiti Malaysia Terengganu Higher Institution Centre of Excellence(HICoE)Institute of Tropical Aquaculture and Fisheries21030 Kuala NerusMalaysia Academy of Sciences Malaysia Young Scientists NetworkTop Research Scientists Malaysia(TRSM)50480 Kuala LumpurMalaysia

Per-and polyfluoroalkyl substances(PFAS)do not readily biodegrade and are therefore routinely found in the environment as ubiquitous contaminants in wildlife and humans worldwide[1,2].These“forever chemicals”are among the major chemical threats to wildlife and human health nowadays and are used in consumer products,including waterproof rain wear,pizza boxes,Teflon,and firefighting foam[3,4].Due to their resistance to metabolism and excretion biomagnifying in food webs to high concentrations[5,6],PFAS can bind to proteins and affect the immune system that increase the risk of clinical and infectious diseases and autoimmunity[7–9].

关键词： fighting metabolism routine

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Utilization of microwave steam pyrolysis to produce biochar for thermal energy storage

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Waste Disposal and sustainable Energy 2022年第4期4卷 335-341页

作者： Wahap bin Abu Bakar Peter Nai Yuh Yek Kah Yein Cheong Augustine Chioma Affam Chee Chung Wong Rock Keey Liew Yie Hua Tan su shiung lam Centre for Research of Innovation and sustainable Development University of Technology SarawakNo.1Jalan University96000SibuMalaysia Centre on Technological Readiness and Innovation in Business Technopreneurship(CONTRIBUTE) University of Technology Sarawak96000SibuSarawakMalaysia NV Western PLT No.208BSecond FloorMacalister Road10400GeorgetownPenangMalaysia Department of Chemical and Energy Engineering Faculty of Engineering and ScienceCurtin University MalaysiaCDT 25098009MiriSarawakMalaysia Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia

Microwave steam pyrolysis(MSP)is an innovative thermochemical approach to converting biomass into high-quality biochar using steam to improve the dielectric heating of microwave *** shows high fixed carbon and carbon contents at a maximum temperature of 550℃in 10 *** MSP achieved a heating rate of 112℃/min from 200℃to 400℃to produce biochar ***,the thermal properties of biochar in microwave heating were investigated in this study to explore its potential as a microwave heat-absorbent *** is able to perform volumetric and controllable heating to the ***,biochar shows good microwave heat absorbency,storing and transferring heat *** temperature profile of three different sizes of biochar was investigated to examine the efficiency of biochar in heat absorption from microwave *** was found that the powder form of biochar showed a higher heat transfer rate of 40℃/min and a low cooling rate of 7.5℃/*** presented results are useful for evaluating the application of biochar as a promising medium for heat storage systems.

关键词： Microwave Steam Pyrolysis Biochar Thermal Storage

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The environmental threats from lead ammunition

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Eco-Environment & Health 2023年第1期2卷 16-17页

作者： Christian Sonne su shiung lam Niels Kanstrup Aarhus University Faculty of Technological SciencesDepartment of EcoscienceDK-4000 RoskildeDenmark sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesDehradunUttarakhand 248007India Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia University Centre for Research and Development Department of ChemistryChandigarh UniversityGharuanMohaliPunjabIndia Department of Ecoscience Aarhus UniversityC.F.Møllers Alle 88000 Aarhus CDenmark

Lead(Pb)is an extremely toxic persistent element,considered a factor in the fall of the Roman Empire 2000 years ago due to its use in plumbing and as a wine sweetener[1].The effects of lead include adverse neurological effects,reproductive impairment,and anaemia[2].One continuing source of lead in the environment is lead ammunition,which presents health risks to consumers of game meat,including humans,predatory and scavenging birds,and other animals.

关键词： continuing birds sweet

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Microplastics pollution:Economic loss and actions needed

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Eco-Environment & Health 2023年第2期2卷 41-42页

作者： Changlei Xia Liping Cai su shiung lam Christian Sonne Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Higher Institution Centre of Excellence(HICoE) Institute of Tropical Aquaculture and Fisheries(AKUATROP)Universiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia University Centre for Research and Development Department of ChemistryChandigarh UniversityGharuanMohaliPunjabIndia Aarhus University Faculty of Technological SciencesDepartment of EcoscienceDK-4000RoskildeDenmark sustainability Cluster School of EngineeringUniversity of Petroleum&Energy StudiesDehradunUttarakhand 248007India

Microplastics originate from plastic bottles of water and soft drink,plastic bags,tire wear,plastic agricultural mulches and 3D printing[1,2].These small fragments of wastes being 1μm to 5 mm pollute the environment and threaten human health and ecosystem services including crops and others,leading to economic losses[1–3].It is predicted that by 2030,plastic productions will be leading environmental pollution in terms of carbon footprint and toxic chemicals[4],making *** world’s largest plastic waste generator[5].Based on reports from the United Nations Environment Assembly(UNEA)and the United Nations Environmental Program(UNEP),plastics in the environment annually burden the global economy by$19 billion,causing concerns for long-term ecological sustainability and the Global Goals[6].It is reported that about 8.3 billion tons of plastic waste have been created,leading to 4.9 billion tons discarded through landfilling globally[7],causing a yearly financial loss of more than$13 billion[8].

关键词： annually plastics pollution

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