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Development of Advanced Oil/Water Separation Technologies to Enhance the Effectiveness of Mechanical Oil Recovery Operations at Sea: Potential and Challenges

SSRN

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SSRN 2022年

作者： Chen, Bing Liu, Bo Ling, Jingjing Matchinski, Ethan James Dong, Guihua Ye, Xudong Wu, Fei Shen, Wanhua Li, Jianbing Liu, Lei Lee, Kenneth Isaacman, Lisa Potter, Stephen Hynes, Brianna Zhang, Baiyu Laboratory Memorial University of Newfoundland St. John’sNLA1B 3X5 Canada Environmental Engineering Program University of Northern British Columbia Prince GeorgeBCV2N 4Z9 Canada Department of Civil and Resource Engineering Dalhousie University HalifaxNSB3H 4R2 Canada Ecosystem Science Fisheries and Oceans Canada OttawaONK1A 0E6 Canada SL Ross Environmental Research Ltd. OttawaONK2H 8S9 Canada

Mechanical oil recovery (i.e., booming and skimming) is the most common tool for oil spill response. Under this procedure the recovered fluid generated from skimming processes during oil spill response may contain a considerable proportion of water (10% ~ 70%). As a result of regulatory requirements prohibiting the discharge of contaminated waters at sea, oil-water mixtures onboard vessels and/or storage barges must make frequent trips to shore for waste disposal. This practice can be time- consuming and/or require a lot of resources and thus reduces the overall efficiency and capacity of oil recovery. One potential solution is on-site oil-water separation and disposal of the decanted water fraction at sea. However, currently available decanting process may have limited oil/water separation capabilities, especially in the presence of oil-water emulsion, which commonly occurs in the skimming process, and may not achieve the standards required by regulatory agencies to address potential concerns over ecotoxicity impacts. This paper comprehensively reviews the principles of and progress in oil/water separation, demulsification, and on-site treatment technologies, and investigates their applicability for decanting at sea to enhance response effectiveness and consequently reducing the environmental impacts of oil spills. © 2022, The Authors. All rights reserved.

关键词： Demulsification

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Evaluation of GOFP over four forest plots using RAMI and UAV measurements

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International Journal of Digital Earth 2021年第10期14卷 1433-1451页

作者： Jun Geng Qian Zhang Feng Qiu J.M.Chen Yongguang Zhang Weiliang Fan Lili Tu Jianwei Huang Shaoteng Wang Lichen Xu Jinchao Li School of Civil Engineering Hefei University of TechnologyHefeiPeople’s Republic of China Intelligent Interconnected Systems Laboratory of Anhui Province Hefei University of TechnologyHefeiPeople’s Republic of China Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology International Institute for Earth System ScienceNanjing UniversityNanjingPeople’s Republic of China Max Planck Institute for Biogeochemistry JenaGermany Key Laboratory of Information Perception and Systems for Public Security of MIIT Nanjing University of Science and TechnologyNanjingChina Department of Geography and Program in Planning University of TorontoTorontoCanada School of Geographical Science Fujian Normal UniversityFuzhouPeople’s Republic of China College of Environmental and Resource Science Zhejiang A&F UniversityLinanPeople’s Republic of China School of Resources and Environment Anhui Agricultural UniversityHefeiPeople’s Republic of China

Comparison and validation of canopy reflectance(CR)models are two important steps to ensure their *** forest plantations are an ideal type of forest for validating CR models because of their simple background and the low variance in the crown structures which are usually assumed to be identical in most CR models.A Geometric Optical Model for Forest Plantations(GOFP)was compared using dataset in two radiation transfer model intercomparison exercise(RAMI)stands and validated using in situ dataset of detailed optical and structural data of two forest plantations in the Saihanba Forestry Center,*** results show that(1)the tree distributions in stands described by the hypergeometric model in GOFP show good consistencies with the dataset in the two RAMI stands and measurements from the two Saihanba forest stands;and(2)the CRs simulated with GOFP are also compared well in the two RAMI stands and validated with measurements collected with unmanned aerial vehicles in the two Saihanba *** shows a better consistency with the CR measurements than those from CR models for natual forestsbecause the tree distribution in forest plantations is described more reasonably in GOFP.

关键词： Validation forest plantation GOFP tree distribution BRF hypergeometric model

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Two decades of spatiotemporal distribution of per- and polyfluoroalkyl substances in the Yangtze River: A meta-analysis

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environmental Research 2025年 283卷

作者： Yue Zhi Yong Liu Siwei Gu Ming Liu Hongxiang Chai Delai Zhong Qiang He Huan He Yongtao Shi Qian Hu Chuhui Zhang Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment Ministry of Education Chongqing University Chongqing 400044 China Department of Civil and Environmental Engineering and Earth Sciences University of Notre Dame Notre Dame 46556 IN United States The Environmental Science and Engineering Program Moutai Institute China State Key Laboratory of Pollution Control and Resource Reuse Key Laboratory of Yangtze Water Environment Ministry of Education College of Environmental Science and Engineering Tongji University Shanghai 200092 China China Southwest Architectural Design and Research Institute Corp. Ltd. Chengdu 610041 China School of Water Resources and Environment China University of Geosciences (Beijing) Beijing 10084 China

In this study, we conducted a meta-analysis of data from the past two decades to examine the composition, temporal and spatial distributions, and ecological risks of per- and polyfluoroalkyl substances (PFAS) in the Yangtze River, the longest river in China and the third longest river worldwide. A total of 2248 PFAS concentration records from 206 sampling points were analyzed, revealing that ∑PFAS concentrations in surface water were higher downstream (6.9–3700 ng/L) than midstream (1.8–65 ng/L). Limited data from seven upstream sampling points showed the lowest average concentration of 6.4 ng/L. Since 2016, ether and cyclic PFAS have emerged, with concentrations ranging from 0.05 to 2.1 ng/L, likely due to the transition from perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) to new fluorinated replacements. Among the five most frequently detected PFAS in surface water, perfluorohexanoic acid (PFHxA) and PFOS showed significant increases from 2005 to 2021. Seasonal differences were noted for PFOA and PFOS, with higher levels observed in autumn (Sep–Nov). Risk quotient analysis across three trophic levels indicated that the detected PFAS posed risks below the threshold for high concern. Given the Yangtze River's dense population and numerous fluorinated industries, expanding targeted and non-targeted screening for contaminants beyond the 27 PFAS studied here is critical. This study provides essential insights into the spatial distribution and ecological risks of PFAS contamination along the Yangtze River, highlighting the need for targeted monitoring and regulatory strategies to mitigate PFAS pollution in China and globally.

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Antioxidant activity of seaweed (Eucheuma cottonii) and coconut (Cocos nucifera) masks

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IOP Conference Series: Earth and environmental Science 2021年第1期712卷

作者： A M Ulfa I R Lukman B L Widiyanti H Hartini A Hilmi M I Darmawan Fisheries Resource Utilization Program Faculty of Agriculture – Cordova University Departement of Chemistry Education – Malikussaleh University Departement of Environmental Engineering Faculty of Engineering. Universitas Hamzanwadi Lombok Indonesia. Industrial Engineering Program Faculty of Engineering – Cordova University

The processing of agricultural products is one of the pillars of the development of agro-industry in an area. In LabuhanKertasari Village, the main products from the agricultural sector are seaweed, hybrid maize, and coconut. However, farmers only sell agricultural products in the form of raw materials without processing them first. Processed products certainly have a higher economic value than raw materials. For this reason, this research was conducted to process seaweed and coconut into masks which were then tested for the antioxidant activity of the masks that were processed. The research conducted was a laboratory experimental study where seaweed and coconut were first processed into a powder. The treatment given is processing seaweed into powder with an alkaline process and without an alkaline process. Then, mixing seaweed powder and coconut powder with three ratios, namely seaweed powder: coconut powder (1: 1, 2: 1, 3: 1). The results showed that the antioxidant activity of the masks 1: 1, 2: 1, 3: 1 were 743,9 respectively; 513.69; and 406.23 (with alkaline seaweed powder) and 193.67; 174.09; and 149.10 (with seaweed powder without alkalization). The result showed that a mask with a ratio of 3: 1 without the alkalization process is the mask with the highest antioxidant activity value and suitable for the skin.

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Novel carbon templated silica membrane prepared from Nypa fruticans leaf for seawater desalination

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AIP Conference Proceedings 2023年第1期2682卷

作者： Elsa Nadia Pratiwi Muthia Elma Mahmud Mahmud Basir Basir Mita Riani Rezki Era Nandita Radiya Oktaviana Siti Fatimah Gesit Satriaji Saputro Erdina Lulu Atika Rampun Aulia Rahma 1Natural Resource and Environmental Management Department Pascasarjana Lambung Mangkurat University Jl. A. Yani KM 36 Banjarbaru 70714 Indonesia 2Chemical Engineering Department Faculty of Engineering Lambung Mangkurat University Jl. A. Yani KM 36 Banjarbaru 70714 Indonesia 4Wetland-Based Materials Research Center Lambung Mangkurat University Banjarbaru 70714 Indonesia 5Environmental Science Department Postgraduate Program Lambung Mangkurat University Jl. Brigjen H. Hasan Basri Kayu Tangi Banjarmasin 70123 Indonesia 3Environmental Engineering Department Faculty of Engineering Lambung Mangkurat University Jl. A. Yani KM 36 Banjarbaru 70714 Indonesia

Inorganic material applied for membrane technology such as silica is well employed for water desalination nowadays. Silica membrane is favorable to use to offer high selectivity and robust materials. However, it also has a debility due to unstable matrices when contact to water. Nypa fruticans leaf was fundamentally containing carbon which is potential as templating agent to enhanced the hydro-stability. The objective of this work is to investigate performance of nypa-silica membrane for desalination of seawater. Nypa-silica membrane prepared by mixing silica sol and carbon from nypa (0.1, 0.5 and 2.5 %) for 90 min at cold temperature. Then membrane support was immersed into nypa-silica sol by dipcoater and calcined at 350 and 450°C under inert atmosphere condition via rapid thermal processing (RTP) technique. Silica-nypa membranes were tested by seawater desalination (3.5 wt% NaCl) by pervaporation. Carbon from nypa gave a good impact to silica base membrane performance depends on template loading. Increasing concentration of nypa may reduce water flux of permeate. The result of membrane in this work rather low water flux. However, all of membranes show great salt rejection >99.9%. Interestingly, the permeate salt concentration of all silica-nypa membranes performed less than 600 ppm of limited total dissolved salt on drinking water according to standards given by the World Health Organization (WHO).

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Fabrication of organo-silica thin film for water desalination from dual silicate precursor (tetraethylorthosilicate & methyltriethoxysilane)

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AIP Conference Proceedings 2023年第1期2682卷

作者： Dewi Puspita Sari Muthia Elma Mahmud Mahmud Basir Basir Mita Riani Rezki Rahmawati Rahmawati Lilis Septyaningrum Gesit Satriaji Saputro Aulia Rahma 1Natural Resource and Environmental Management Department Pascasarjana Lambung Mangkurat University Jl. A. Yani KM 36 Banjarbaru 70714 Indonesia 2Chemical Engineering Department Faculty of Engineering Lambung Mangkurat University Jl. A. Yani KM 36 Banjarbaru 70714 Indonesia 4Wetland-Based Materials Research Center Lambung Mangkurat University Banjarbaru 70714 Indonesia 5Environmental Science Department Postgraduate Program Lambung Mangkurat University Jl. Brigjen H. Hasan Basri Kayu Tangi Banjarmasin 70123 Indonesia 3Environmental Engineering Department Faculty of Engineering Lambung Mangkurat University Jl. A. Yani KM 36 Banjarbaru 70714 Indonesia

A modification of silica structure is urgently needed to improve silica-based matrices applied for water desalination. It is due to the hydrophilic properties owned by pure silica structures, and it is also caused by the silica pore was collapse during ions water exposed on membrane surfaces. According to that, this study is aimed to fabricate and to observe the innovation of silica membranes modified matrices by mixing the main precursor of tetraethylorthosilicate (TEOS) and methyltriethoxysilane (MTES) as sources of silicate as well as carbon applied for water desalination. The mixtures of MTES:TEOS (10:90) was mixed with acid-base catalysts using sol gel method. This process and reaction were held for 3 h nonstop. The modified organo-silica sols were dried by oven for 24 h and grinded into powder that called xerogel. Then it was calcined using furnace for 1 h at 350 and 450 °C using RTP (rapid thermal processing) method which under variation of condition (vacuum and air/atmosphere). Functionalization of modified organo-silica membranes were investigated using FTIR spectra and Fityk software. The results show the modified organo-silica derived from MTES (as a carbon source) exhibited the functionalization of siloxane (Si-O-Si), silanol (Si-OH), and silica-carbon (Si-C) functional groups. The optimum organo-silica MTES:TEOS mixture was obtained from sample calcined at 450 °C under vacuum calcination. The presence of carbon bonds causes the pores formed tend to be small but strong so it is suitable for application in the desalination process.

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A review manuscript submitted to Chemosphere advancement of green technologies: A comprehensive review on the potential application of microalgae biomass

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Chemosphere 2021年 281卷 130886-130886页

作者： Yap, Jiunn Kwok Sankaran, Revathy Chew, Kit Wayne Halimatul Munawaroh, Heli Siti Ho, Shih-Hsin Rajesh Banu, J. Show, Pau Loke State Key Laboratory of Urban Water Resource and Environment School of Environment Harbin Institute of Technology Harbin150090 China Department of Chemical and Environmental Engineering Faculty of Science and Engineering University of Nottingham Malaysia Jalan Broga SemenyihSelangor Darul Ehsan43500 Malaysia Graduate School University of Nottingham Malaysia Jalan Broga SemenyihSelangor Darul Ehsan43500 Malaysia School of Energy and Chemical Engineering Xiamen University Malaysia Jalan Sunsuria Bandar Sunsuria SepangSelangor Darul Ehsan43900 Malaysia Chemistry Program Department of Chemistry Education Universitas Pendidikan Indonesia Bandung Indonesia Department of Life Science Central University of Tamil Nadu Neelakudi ThiruvarurTamilnadu610005 India

Microalgae have drawn significant interest worldwide, owing to their enormous application potential in the green energy, biopharmaceutical, and nutraceutical industries. Many studies have proved and stated the potential of microalgae in the area of biofuel which is economically effective and environmentally friendly. Besides the commercial value, the potential of microalgae in environmental protection has also been investigated. Microalgae-based process is one of the most effective way to treat heavy metal pollution, compared to conventional methods, it does not release any toxic waste or harmful gases, and the aquatic organism will not receive any harmful effects. The potential dual role of microalge in phytoremedation and energy production has made it widely explored for its capability. The interest of microalgae in various application has motivated a new focus in green technologies. Considering the rapid population growth with the continuous increase on the global demand and the application of biomass in diverse field, significant upgrades have been performed to accommodate green technological advancement. In the past decade, noteworthy advancement has been made on the technology involving the diverse application of microalgae biomass. This review aims to explore on the application of microalgae and the development of green technology in various application for microalgae biomass. There is great prospects for researchers in this field to delve into other potential utilization of microalgae biomass not only for bioremediation process but also to generate revenues from microalgae by incorporating clean and green technology for long-term sustainability and environmental benefits. © 2021

关键词： Microalgae

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Correction: Characterizing country-specific human and ecosystem health impact and damage cost of agricultural pesticides: the case for Thailand

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The International Journal of Life Cycle Assessment 2022年第12期27卷 1377-1377页

作者： Mankong, Phatchari Fantke, Peter Phenrat, Tanapon Mungkalasiri, Jitti Gheewala, Shabbir H. Prapaspongsa, Trakarn Graduate Program in Environmental and Water Resources Engineering Department of Civil and Environmental Engineering Faculty of Engineering Mahidol University Nakhon Pathom Thailand Quantitative Sustainability Assessment Department of Environmental and Resource Engineering Technical University of Denmark Kongens Lyngby Denmark Department of Civil Engineering Faculty of Engineering Naresuan University Phitsanulok Thailand Technology and Informatics Institute for Sustainability (TIIS) National Metal and Materials Technology Center (MTEC) National Science and Technology Development Agency (NSTDA) Pathum Thani Thailand The Joint Graduate School of Energy and Environment (JGSEE) King Mongkut’s University of Technology Thonburi Bangkok Thailand Centre of Excellence On Energy Technology and Environment Ministry of Higher Education Science Research and Innovation Bangkok Thailand

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Whole transcriptomic analysis reveals structure-activity relationships of cinnamoylquinic acid derivatives in human amniotic stem cells

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Biochemical pharmacology 2025年 239卷 117029页

作者： Yu Jia Chen Farhana Ferdousi Kazunori Sasaki Aprill Kee Oliva Mizushima Hiroko Isoda Tsukuba Life Science Innovation Program (T-LSI) University of Tsukuba Tsukuba Ibaraki 305-8572 Japan. Tsukuba Life Science Innovation Program (T-LSI) University of Tsukuba Tsukuba Ibaraki 305-8572 Japan Institute of Life and Environmental Sciences University of Tsukuba Tsukuba Ibaraki 305-8575 Japan Alliance for Research on the Mediterranean and North Africa (ARENA) University of Tsukuba Tsukuba Ibaraki 305-8572 Japan. Alliance for Research on the Mediterranean and North Africa (ARENA) University of Tsukuba Tsukuba Ibaraki 305-8572 Japan Open Innovation Laboratory for Food and Medicinal Resource Engineering (FoodMed-OIL) National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba 305-8577 Japan. Research and & Development Center for Tailor-made QOL Program University of Tsukuba Tsukuba Japan. Open Innovation Laboratory for Food and Medicinal Resource Engineering (FoodMed-OIL) National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba 305-8577 Japan Research and & Development Center for Tailor-made QOL Program University of Tsukuba Tsukuba Japan. Electronic address: isoda.hiroko.ga@u.tsukuba.ac.jp.

Cinnamoylquinic acids constitute a class of polyphenolic compounds with a quinic acid core and with diverse quinic acid esterification result in distinctive beneficial biological effects. Naturally present in many foods, these compounds exhibit properties such as antioxidant, antibacterial, anti-inflammatory, and anticancer effects. Transcriptomic analysis was performed on human amniotic epithelial stem cells (hAESCs) treated with ten cinnamoylquinic acid derivatives. These multipotent stem cells, previously recognized as a physiologically relevant model for studying the bioactivities of natural compounds, revealed distinct transcriptomic differences associated with eight of the structural variations. The structure-functionality relationship was distinguished through cell specific tissue, functional enrichment, and developmental stem cell marker genes analysis. Structural characteristics were explored to assess the druggability potential of the derivative. Certain moieties showed pronounced effects, notably methyl tetraferuloylquinate, with four ferulic acid side substitutions and one carboxymethyl group. Overall, while structure-activity analyses identified key molecular components driving bioactivity suggesting optimal compound modifications. The utilization of big data with statistical analysis underscores the therapeutic and preventative medicine potential of Cinnamoylquinic acids.

关键词： ADME Cinnamoylquinic acid Human Amniotic Epithelial Stem Cells Structure-Activity Relationship Transcriptomics

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Estimating Aboveground Carbon Dynamic of China Using Optical and Microwave Remote-Sensing Datasets from 2013 to 2019

Journal of Remote Sensing

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Journal of Remote Sensing 2023年第1期3卷 19-34页

作者： Zhongbing Chang Lei Fan Jean-Pierre Wigneron Ying-Ping Wang Philippe Ciais Jérôme Chave Rasmus Fensholt Jing MChen Wenping Yuan Weimin Ju Xin Li Fei Jiang Mousong Wu Xiuzhi Chen Yuanwei Qin Frédéric Frappart Xiaojun Li Mengjia Wang Xiangzhuo Liu Xuli Tang Sanaa Hobeichi Mengxiao Yu Mingguo Ma Jianguang Wen Qing Xiao Weiyu Shi Dexin Liu Junhua Yan Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems South China Botanical GardenChinese Academy of SciencesGuangzhou 510650China University of Chinese Academy of Sciences Beijing 100049China Chongqing Jinfo Mountain Karst Ecosystem National Observation and Research Station School of Geographical SciencesSouthwest UniversityChongqing 400715China INRAE UMR1391 ISPAUniversite de BordeauxF-33140 Villenave d’OrnonFrance CSIRO Oceans and Atmosphere AspendaleVIC 3195Australia Laboratoire des Sciences du Climat et de l’Environnement CEA/CNRS/UVSQ/Universite Paris SaclayGif-sur-YvetteFrance Laboratoire Evolution et Diversite Biologique Universite Paul SabatierToulouseFrance Department of Geosciences and Natural Resource Management University of CopenhagenCopenhagenDenmark Department of Geography and Program in Planning University of TorontoTorontoON M5S 3G3Canada College of Geographical Science Fujian Normal UniversityFuzhou 3500007FujianChina School of Atmospheric Sciences Sun Yat-sen UniversityZhuhai 519082GuangdongChina Southern Marine Science and Engineering Guangdong Laboratory Zhuhai 519000GuangdongChina Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology International Institute for Earth System ScienceNanjing UniversityNanjing 210023China Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing 210023China Institute of Tibetan Plateau Research Chinese Academy of SciencesBeijing 100101China CAS Center for Excellence in Tibetan Plateau Earth Sciences Chinese Academy of SciencesBeijing 100101China Department of Microbiology and Plant Biology Center for Spatial AnalysisUniversity of OklahomaNormanOKUSA LEGOS Universite de ToulouseCNESCNRSIRDUPS-14 avenue Edouard Belin31400 ToulouseFrance State Key Laboratory of Remote Sensing Science Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China Climate Change Research Centre University of N

Over the past 2 to 3 decades,Chinese forests are estimated to act as a large carbon sink,yet the magnitude and spatial patterns of this sink differ considerably among *** 3 microwave(L-and X-band vegetation optical depth[VOD])and 3 optical(normalized difference vegetation index,leaf area index,and tree cover)remote-sensing vegetation products,this study compared the estimated live woody aboveground biomass carbon(AGC)dynamics over China between 2013 and *** results showed that tree cover has the highest spatial consistency with 3 published AGC maps(mean correlation value R=0.84),followed by L-VOD(R=0.83),which outperform the other *** AGC estimation model was proposed to combine all indices to estimate the annual AGC dynamics in China during 2013 to *** performance of the AGC estimation model was good(root mean square error=0.05 Pg C and R^(2)=0.90 with a mean relative uncertainty of 9.8% at pixel scale[0.25°]).Results of the AGC estimation model showed that carbon uptake by the forests in China was about+0.17 Pg C year^(-1) from 2013 to *** the regional level,provinces in southwest China including Guizhou(+22.35 Tg C year^(-1)),Sichuan(+14.49 Tg C year^(-1)),and Hunan(+11.42 Tg C year^(-1))provinces had the highest carbon sink rates during 2013 to *** of the carbon-sink regions have been afforested recently,implying that afforestation and ecological engineering projects have been effective means for carbon sequestration in these regions.

关键词： estimation Remote microwave

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