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An agile model for the eco-design of electric vehicle Li-ion batteries

Peggy Zwolinski, Serge Tichkiewitch
2019 CIRP annals  
to the product life cycle with the corresponding experts for each stage of the life cycle.  ...  In this research, an agile model is proposed to help designers make decisions while monitoring environmental performance indicators of high-tech solutions.  ...  Environmental indicators were calculated using the CML2001 baseline method, except for the non-renewable energy indicator, which was calculated using the IMPACT 2002+ method.  ... 
doi:10.1016/j.cirp.2019.04.009 fatcat:3dxn7gvznrd5pczoz2xvaqzulm

Preparative separation of gambogic acid and its C-2 epimer using recycling high-speed counter-current chromatography

Quan Bin Han, Jing Zheng Song, Chun Feng Qiao, Lina Wong, Hong Xi Xu
2006 Journal of Chromatography A  
A recycling counter-current chromatographic system was first set up with a high-speed counter-current chromatography instrument coupled with a column switching valve.  ...  Moreover, the initial target peaks must be limited in a narrow range, which made the recycling method unsuitable for the simultaneous separation of several compounds.  ...  The results of our studies demonstrated that recycling counter-current chromatography is an effective method for the preparative separation of gambogic acid and its C-2 epimer, epigambogic acid. 044 Fig  ... 
doi:10.1016/j.chroma.2006.07.044 pmid:16887130 fatcat:qabji5svyveoxce2o4zvzfpngy

Development and application of an analytical method to quantify odour removal in plastic waste recycling processes

Ruben Demets, Martijn Roosen, Lore Vandermeersch, Kim Ragaert, Christophe Walgraeve, Steven De Meester
2020 Resources, Conservation and Recycling  
A general decrease of 97 % and 44 %, was measured with respectively thermal and solvent desorption for the screened components.  ...  Three sampling methods were explored, SPME and purge and trap methods (activated carbon with solvent desorption and Tenax-TA with thermal desorption).  ...  Case study: potentially odour-causing components along the recycling chain The used sampling and analytical methods were tested on a plastic waste stream throughout the recycling chain.  ... 
doi:10.1016/j.resconrec.2020.104907 fatcat:hhtzdtaevzcltldwiwpo66oyf4

Timed relay contact closure controlled system for parallel second dimensions in multi-dimensional liquid chromatography

William Craig Byrdwell
2019 BMC Research Notes  
The hardware and software components to allow a second second-dimension (2D) separation and three total separation dimensions were developed.  ...  CC-controlled second 2D was used for separation of short-chain (SC) saturated TAGs.  ...  Limitations This work requires a moderate level of mechanical aptitude to accomplish construction of these components.  ... 
doi:10.1186/s13104-019-4506-7 pmid:31370856 pmcid:PMC6676610 fatcat:x3w4ogjozjaltn4xm75upz5dam

Simultaneous Determination of Multi Components in Weitongding Particle by HPLC

2014 Asian Journal of Chemistry  
An HPLC method for the simultaneous determination of multi components in Weitongding particle is established.  ...  This method was steady with high precision and good repeatability and could be used for the determination of the five active ingredients and quality control of Weitongding particle.  ...  RESULTS AND DISCUSSION Linear range: Linear regression analysis for each component was performed by the external standard method.  ... 
doi:10.14233/ajchem.2014.15523 fatcat:6pdsi4lx3bhwnadhegupooup6q

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Shuang Wang, Yucheng Yan, Xueying Gao, Hefeng Zhang, Yang Cui, Qiusheng He, Yuhang Wang, Xinming Wang
2022 International Journal of Environmental Research and Public Health  
In conclusion, the research results will provide the necessary reference to standardize the measurement method of the VOCs source component spectrum and build a localized source component spectrum.  ...  In the evaluation results of LOH, m/p-xylene (25.26–67.87%) was identified as the most key individual species and should be prioritized for control.  ...  Acknowledgments: We would like to thank Yucheng Yan and Xueying Gao for contributed to the data analysis framework design. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijerph19148753 pmid:35886605 pmcid:PMC9322705 fatcat:34ytw5gzkzh5tlka7pk5mstzze

Assessing spatial and temporal variability of acid-extractable organics in oil sands process-affected waters

Richard A. Frank, Craig B. Milestone, Steve J. Rowland, John V. Headley, Richard J. Kavanagh, Sabine K. Lengger, Alan G. Scarlett, Charles E. West, Kerry M. Peru, L. Mark Hewitt
2016 Chemosphere  
In addition, 5 samples were collected simultaneously from different locations within a tailings pond from a different mine site, as well as its associated recycling pond. In both cases,  ...  While recent progress in advanced separation and analytical methodologies for AEOs has improved our understanding of the composition of these mixtures, little is known regarding any variability (i.e.,  ...  Rowland for project OUTREACH, by the European Research Council. Special thanks to Canadian Natural Resources Ltd. and Syncrude Canada Ltd. for sample collection.  ... 
doi:10.1016/j.chemosphere.2016.06.093 pmid:27391053 fatcat:3pj6ghcw5ffjjjl32tai7zktdm

Separation of saturated fatty acids from docosahexaenoic acid‐rich algal oil by enzymatic ethanolysis in tandem with molecular distillation

Jianlin He, Bihong Hong, Rong Lu, Ruoqi Zhang, Hua Fang, Wenwen Huang, Kaikai Bai, Jipeng Sun
2020 Food Science & Nutrition  
Therefore, an eco-friendly and simple method for increasing the DHA content in algal oil has been developed.  ...  The ethanol was then recycled by vacuum distillation.  ...  As both ethanol and Lipozyme ® TL IM can be recycled, our study has established an environmentally friendly method for increasing the DHA content of algal oil.  ... 
doi:10.1002/fsn3.1462 pmid:32405380 pmcid:PMC7215222 fatcat:3veodyeqp5ephbwzde5a5cbyfe

Simultaneous Determination of Five Active Ingredients in Yiqing Tablet by HPLC

2013 Asian Journal of Chemistry  
RESULTS AND DISCUSSION Validation of the chromatographic method Linear range: Linear regression analysis for each component was performed by the external standard method.  ...  Application of the HPLC method for quantitation studies: The experiment determined three samples of different batches of the same manufacturer by the above method.  ... 
doi:10.14233/ajchem.2013.15429 fatcat:gmalrm5wwnh2bk66otdzx4f6xu

Flavonoid epimers from custard apple leaves, a rapid screening and separation by HSCCC and their antioxidant and hypoglycaemic activities evaluation

Heng Zhu, Long Chen, Jinqian Yu, Li Cui, Iftikhar Ali, Xiangyun Song, Jeong Hill Park, Daijie Wang, Xiao Wang
2020 Scientific Reports  
An efficient extraction method was employed to remove non-flavonoid components.  ...  The crude extract was first screened by HPLC-DAD before and after incubation with DPPH method to evaluate the antioxidants.  ...  The extraction method, according to the K D -values of the target compounds, was efficient for removal of non-target components from the complex mixture.  ... 
doi:10.1038/s41598-020-65769-5 pmid:32483211 fatcat:3c4ppkmaijfyznvivdem4k4oxu

Occurrence and profiles of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in soils from a typical e-waste recycling area in Southeast China

Chunyang Liao, Jungang Lv, Jianjie Fu, Zongshan Zhao, Fang Liu, Qinzhao Xue, Guibin Jiang
2012 International Journal of Environmental Health Research  
Compared with other polluted sites, the PCBs residues in soils were generally low except for those in the major recycling site.  ...  Principal component analysis in combination with diagnostic ratios suggested that the combustion of coal, wood, and plastic wastes that are closely associated with illegal and unsafe recycling operations  ...  For every batch of 10 samples, a procedural blank was run to check for interference and cross-contamination, and a spiked sample with standards was run to check for the recovery of method.  ... 
doi:10.1080/09603123.2011.634392 pmid:22098496 fatcat:vclialxla5d4pabf5v7boa3acm

Information Management for Life Cycle Assessment using Smart Agents [chapter]

G. Seliger, T. Keil, D. Krützfeldt, K. Müller, H. Perlewitz
1998 Globalization of Manufacturing in the Digital Communications Era of the 21st Century  
Disposal and recycling information has to be available for the design, includii}g the product assessment.  ...  An environmental-friendly and effective cycle economy calls for an open information connection concerning the designers, the recyclers and the manufacturers of recycling techniques.  ...  The Developer of Recycling Techniques for Cycle Economy In addition of conventional ways for waste disposal (dumping and burning), nowadays, there is a development of various recycling methods especially  ... 
doi:10.1007/978-0-387-35351-7_65 fatcat:3yztnh33kvbabfjoj64w27uhgu

Cinnamic Acid Derivatives via Heck Reaction in an Aqueous- Biphasic Catalytic System with Easy Catalyst-Product Separation

S.V. Jagtap
2013 Asian Journal of Chemistry  
solvent, requires a complex strategy for product separation and catalyst recovery 3 and recycle.  ...  There are no details on the recycle of palladacycle catalyst for Heck reaction in the reported literature.  ...  Jagtap) thank University Grant Commission of India for providing the Ph.D. fellowship.  ... 
doi:10.14233/ajchem.2013.14874 fatcat:chccxgndy5gnbk2j7guz3iekru

Development of a closed-loop recycling process for discontinuous carbon fibre polypropylene composites

Rhys J. Tapper, Marco L. Longana, Hana Yu, Ian Hamerton, Kevin D. Potter
2018 Composites Part B: Engineering  
Full terms of use are available: In this study the effects of a closed-loop recycling methodology are evaluated for degradation using a 10 discontinuous carbon fibre polypropylene (CFPP) composite material  ...  The material properties are analysed over two recycling loops.  ...  In fact, 35 some EU countries have already banned landfilling; the most common form of waste management for CFRP [8] . 36 Some industries can also be penalised for the lack of recyclable components in  ... 
doi:10.1016/j.compositesb.2018.03.048 fatcat:k6vgl55torf3jeobacxmplqrs4

Differentiation of Polyamide 6, 6.6, and 12 Contaminations in Polyolefin-Recyclates Using HPLC Coupled to Drift-Tube Ion- Mobility Quadrupole Time-of-Flight Mass Spectrometry

Andrea Schweighuber, Jörg Fischer, Wolfgang Buchberger
2021 Polymers  
Therefore, methods for the determination of polymer impurities in recyclates should be investigated.  ...  In this paper, an approach for the identification of three different polyamide grades (polyamide 6, 6.6, and 12) is presented, applicable for the analysis of polyolefin-recyclates.  ...  Therefore, alternative methods for the analysis of low contents of polyamides need to be established for recyclates.  ... 
doi:10.3390/polym13122032 fatcat:26xxkgtwubeptj54p4x5632724
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