Relevant bibliographies by topics / Propylene glycol ethers

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Propylene glycol ethers'

Author: Grafiati
Published: 24 April 2022

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Journal articles on the topic "Propylene glycol ethers"

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Vegh, L. "Propylene glycol ethers and propylene glycol ether acetate ‘PMA’ in coating applications." Pigment & Resin Technology 14, no. 7 (1985): 4–15. http://dx.doi.org/10.1108/eb042147.

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Starek-Świechowicz, Beata, and Andrzej Starek. "Ethylene glycol and propylene glycol ethers – Reproductive and developmental toxicity." Medycyna Pracy 66, no. 5 (2015): 725–37. http://dx.doi.org/10.13075/mp.5893.00219.

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Choi, Hyunok, Norbert Schmidbauer, John Spengler, and Carl-Gustaf Bornehag. "Sources of Propylene Glycol and Glycol Ethers in Air at Home." International Journal of Environmental Research and Public Health 7, no. 12 (2010): 4213–37. http://dx.doi.org/10.3390/ijerph7124213.

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Xu, Yueting, Yanfei Zhao, Fengtao Zhang, et al. "Hydrogen bonding-catalysed alcoholysis of propylene oxide at room temperature." Chemical Communications 57, no. 70 (2021): 8734–37. http://dx.doi.org/10.1039/d1cc03602e.

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Alcoholysis of propylene oxide is achieved over azolate ionic liquids at room temperature by hydrogen-bonding catalysis, accessing glycol ethers in moderate to high yields with selectivity of >99%.
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Rodriguez, Carmen L., Julia Weathers, Bernadette Corujo, and Patricia Peterson. "Formulating water-based systems with propylene-oxide-based glycol ethers." Journal of Coatings Technology 72, no. 6 (2000): 67–72. http://dx.doi.org/10.1007/bf02757878.

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Zhao, Cong, Shengxin Chen, Ruirui Zhang, et al. "Synthesis of propylene glycol ethers from propylene oxide catalyzed by environmentally friendly ionic liquids." Chinese Journal of Catalysis 38, no. 5 (2017): 879–88. http://dx.doi.org/10.1016/s1872-2067(17)62831-6.

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Li, Xue-Lian, Quan Zhou, Shen-Xi Pan, Yu He, and Fei Chang. "A Review of Catalytic Upgrading of Biodiesel Waste Glycerol to Valuable Products." Current Green Chemistry 7, no. 3 (2020): 259–66. http://dx.doi.org/10.2174/2213346107666200108114217.

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: Glycerol is an organic polyol compound, and is an important raw material with extensive applications in daily/petrochemical and pharmaceutical industry. Glycerol is typically obtained by propylene chlorination, while the method used is complicated process and requires high energy consumption. Interestingly, glycerol is recognized as a major by-product of biodiesel production. Approximately 100 kg of glycerol is yielded for 1 tonne of biodiesel production. With the rapid development of the biodiesel industry, glycerol production capacity has been a serious surplus. This review introduces the selective conversion of glycerol into a variety of value-added chemicals such as propylene glycol, propanol, glyceraldehyde, and dihydroxyacetone via selective hydrogenation and oxidation, as well as hydrocarbons and ethers via pyrolysis, gasification and etherification, respectively. The efficiency of different types of catalysts and the influence of reaction parameters on the valorisation of glycerol have been elucidated. Emphasis is also laid on the study of catalytic mechanisms and pathways for some specific reactions.
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Hong, Lei, Deepak Tapriyal, and Robert M. Enick. "Phase Behavior of Poly(propylene glycol) Monobutyl Ethers in Dense CO2." Journal of Chemical & Engineering Data 53, no. 6 (2008): 1342–45. http://dx.doi.org/10.1021/je800068v.

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Hubner, B., K. Geibel, and J. Angerer. "Gas-chromatographic determination of propylene- and diethylene glycol ethers in urine." Fresenius' Journal of Analytical Chemistry 342, no. 9 (1992): 746–48. http://dx.doi.org/10.1007/bf00321870.

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Bauduin, Pierre, Laurent Wattebled, Didier Touraud, and Werner Kunz. "Hofmeister Ion Effects on the Phase Diagrams of Water-Propylene Glycol Propyl Ethers." Zeitschrift für Physikalische Chemie 218, no. 6-2004 (2004): 631–41. http://dx.doi.org/10.1524/zpch.218.6.631.33453.

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Dissertations / Theses on the topic "Propylene glycol ethers"

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Zhao, Cen. "Advanced Oxidation Processes of Problematic Toxin and Water Contaminants: Cylindrospermopsin, Iopamidol, 4-methylcyclohexane Methanol and Propylene Glycol Phenyl Ether." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2235.

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The occurrences of cyanotoxin and organic contaminants threaten drinking water sources and are a serious human health and environmental concern. The control of these problematic contaminants and the remediation of the associated contaminants are critical for ensuring safe drinking water to significant populations. Advanced oxidation processes (AOPs) have received considerable attention as a potential water treatment for various pollutants. In this dissertation, advanced oxidative degradation of four problematic water toxic contaminants (CYN, iopamidol, 4-methylcyclohexane methanol and propylene glycol phenyl ether) were studied to develop the fundamental understanding required to assess AOPs as a potential water treatment process. UV and visible light activated (VLA) TiO2 photocatalysis using nitrogen and fluorine-TiO2 (NF-TiO2), phosphorus and fluorine-TiO2 (PF-TiO2) and sulfur-TiO2 (S-TiO2) were employed for degradation of 6-hydroxymethyl uracil (6-HOMU), a model compound for the potent cyanotoxin cylindrospermopsin (CYN). NF-TiO2 exhibits the most photoactive, followed by marginally active PF-TiO2 and inactive S-TiO2 under visible light irradiation. Our results indicate that O2-• plays an important role in VLA TiO2 photocatalysis. Fe (VI), an environmentally friendly oxidant, was employed for the degradation of CYN and 6-HOMU over a range of pH (7 ~ 9.5). The second order rate constants for the reaction of Fe (VI) with CYN decrease from 38.83 ± 0.07 M-1s-1 at pH 7 to 5.02 ± 0.04 M-1s-1 at pH 9.5. Fe (VI) mediated reactions primarily occur via oxidation of the uracil ring in CYN. ELISA results demonstrate that Fe (VI) oxidation process leads to a significant decrease in the bioactivity of CYN as a function of treatment time. Fe (III)-oxalate/H2O2 process was employed for the remediation of iopamidol, a model for ICM, to determine the formation rates and steady concentrations of •OH and O2-• under UV and visible light irradiation. Reduction by CO2-• and oxidation by •OH contribute to the degradation pathways. Pulse and gamma radiolysis of 4-methylcyclohexane methanol (MCHM) and propylene glycol phenyl ether (PPh) were studied to determine the bimolecular rate constants and reaction pathways. •OH addition to ortho and para positions in PPh are the predominant reaction pathways; H-abstraction are the primary reaction mechanisms for ∙OH mediated oxidation of MCHM
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Hsieh, Cheng-Ting, and 謝政廷. "Vapor-Liquid Equilibria for Mixtures Containing Acetate Acid , Propylene Glycol Monomethyl Ether , and Propylene Glycol Monomethyl Ether Acetate." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/36505914462282800689.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>92<br>A static-type apparatus equipped with a visual cell was utilized in the present study to measure isothermal vapor-liquid equilibrium (VLE) data. The investigated binary mixtures were composed of acetic acid, propylene glycol monomethyl ether (PGME), and propylene glycol methyl ether acetate (PGMEA). The measurements were conducted in a temperature range from 343.15K to 393.15K. These new VLE data are urgently needed in process development of manufacturing propylene glycol methyl ether acetate via reactive distillation. The vapor-liquid equilibrium data were correlated with the NRTL and the UNIQUAC models . For the acetic acid —containing system, the Hayden-O’Connell model was used to estimate the second virial coefficients to account the dimerization of acetic acid in the vapor phase. While the NRTL and the UNIQUAC models represented well the phase behavior of PGME + PGMEA system, the NRTL-HOC method was found to be better than the UNIQUAC-HOC method for acetic acid + PGMEA.
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WANG, YI-LIN, and 王一霖. "Isothermal Vapor-Liquid Equilibria for Mixtures Containing Water, Propylene Glycol Monomethyl Ether, and Propylene Glycol Monomethyl Ether Propionate." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/5k4z7n.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>100<br>A static-type apparatus equipped with a visual cell was utilized in the present study to measure isothermal vapor-liquid equilibrium (VLE) and vapor-liquid-liquid equilibrium (VLLE) data over a temperature range of 318.15 K to 363.15 K. The VLE data were determined experimentally for the binary systems of propylene glycol monomethyl ether (PGME) + propylene glycol monomethyl ether propionate (PGMEP). The VLLE data were also measured for water + PGMEP and water + PGME + PGMEP. The experimental data of the binary systems can be correlated well with the NRTL-HOC and the UNIQUAC-HOC models by using linearly temperature-dependent parameters. The ternary VLLE properties can not be estimated accurately by using the parameters determined from the phase equilibrium data of the constituent binaries. The ternary VLLE data were also used to test the validity of various versions of the UNIFAC model. The representation of the ternary VLLE properties is substantially improved as the parameters of the NRTL and the UNIQUAC models are determined simultaneously from the ternary VLLE data.
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Lin, Ming-Wei, and 林明緯. "The Optimal Process Design of Propylene Glycol Monomethyl Ether." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/32996168576814245306.

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碩士<br>國立中興大學<br>化學工程學系所<br>103<br>This study comprises the design of distillation processes for solvent recycling with Aspen Plus. Propylene glycol monomethyl ether (PM) is separable from thinner by distillation. Raw material includes alcohol, ethers and esters.This study comprises the design of distillation processes for solvent recycling with Aspen Plus. Propylene glycolmonomethyl ether (PM) is separable from thinner by distillation. Raw material includes alcohol, ethers and esters. NRTL activity coefficient and Hayden-O’Connell state equation are chosen to model the real situation with good accuracy. In this simulation system two distillation columns are employed. The first distillation columns is designed to remove water and the second distillation columns is used to separate PM and propylene glycol monomethyl ether acetate (PMA) This process produces PM higher than 99.7% in mass composition and 30 tons a day in capability. High purity of PM finds its application in cleaner of electronic material. This study is aiming at optimizing the design. Design parameters includes the number of tray, the feed tray locations and feed flow rates based on the total annual cost (TAC).
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Tsai, Pei-Yuan, and 蔡培元. "Removal of Propylene Glycol Monomethyl Ether Acetate by Biofiltration Process." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/78099269092033673200.

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碩士<br>國立交通大學<br>分子醫學與生物工程研究所<br>98<br>This research is aimed to establish an effective biofiltration process which applys to remove the water-soluble organic waste gases emission from semiconductors and photonics industry. The target pollutant is focus on propylene glycol monomethyl ether acetate (PGMEA), which is harmful for human body, especially for liver and kidney. The objective of this study is to estimate the removal efficiency in different conditions by three kinds of biofiltration processes. The data showed that it could remove 100-300 ppm PGMEA for 98% removal efficiency (RE) in biofilter system, 93% in bioscrubber system with retention time (RT) in 20 seconds, and 93% RE in plate membrane bioscrubber system with RT in 30 seconds. The elimination capacity achieved 212, 258 and 150 g-PGMEA/m3/hr for biofilter, bioscrubber and plate membrane bioscrubber, respectively. In addition, to study the effect of amount of seeding in bioscrubber and plate membrane bioscrubber. It showed that high amount of seeding (over 109 CFU/ml) was helpful for high RE (up to 98%) and stable for operation. Finally, we estimated the addition of extra packing materials in biofilter and bioscrubber. The data showed that the bioscrubber with extra packing materials could achieve RE 90% in short time, while there was no difference in biofilter. Therefore, the optimal operation parameters for removal of PGMEA were obtained, and it could establish field-scale bioreactors for application in industrial field.
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Shan, Yu-Ran, and 沈育任. "The study of reaction of propylene glycol methyl ether with ozone." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/m685gp.

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碩士<br>義守大學<br>化學工程學系暨生物技術與化學工程研究所<br>106<br>This research was applied the high oxidation of ozone and high absorption capacity of ZSM-5 zeolite to study the degradation of PGME. The identification of reaction intermediate and products were useful to understand the possible mechanism. There were new absorptions of C=O vibrational mode were observed after the ozone passed through PGME sample. Compared with GC/MS spectrum, suggested that the products included carbon dioxide, acetaldehyde, methyl formate, isopropyl alcohol, acrylic acid, propylene glycol, methyl acetate, and methyl lactate. Mixed gas of O3/air/PGME passed through 30 ℃~50 ℃ zeolite, indicated 50 ℃ zeolite would get better degradation (58%). The FTIR spectrum of condensed liquid of output gases and extracted liquid of zeolite shows apparent change of C=O stretching mode, accompanied with the analysis of GC/MS spectrum, newproductdetected was1-methoxyethanol. Compared with the products of possible reaction path, suggested that oxygen atom or ozone was involved in the reaction to form CH3CH(OH)CH(OH)OCH3first, then formed CH(O)OCH3, CH3CH(O), CH2C(OH)C(O)OH, CH3CH(OH)CH3, further formed CH3CH(OH)CH2(OH), CH3CH(OH)OCH3, CH3CH(O)OCH3 and CH3OH, and final product is methyl lactate.
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Kuo, Chia-Hui, and 郭佳慧. "Using SPME-GC Technique in Propylene Glycol Ether acetate Airborne Monitoring." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/96245944700907969503.

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碩士<br>弘光科技大學<br>職業安全與防災研究所<br>98<br>A headspace solid-phase microextraction (HS-SPME) combining capillary gas chromatography with flame ionization detection (GC-FID) for use in the determination of three frequentlly used propylene glycol ethers (PEs) at ppb level is described. A commercial 75m carboxen- polydimethylsiloxane fiber was used to extract the analytes from PEs standard gas. The factors affecting the HS-SPME extraction, such as coating material, desorption time, temperature, concentration and wind velocity etc. were discussed. The concentration ranges for calibration curves were 23 μg/ml~2.2 mg/ml for PGME, 24.3μg/ml ~2.9 mg/ml for PGMEA and 23.9 μg/ml ~2.9 mg/ml for DPGME, and the correlation coefficients were greater than 0.995. The method detection limits were 0.13 μg/ml , 0.04 μg/ml,and 0.05 μg/ml per sample for PGME, PGMEA and DPGME, respectively. The optimal desorption time was 5 min, and experimental sampling rate were (5.796± 0.581)´10-7, (5.266 ±0.429)´10-7, (5.107± 0.548) ´10-7 m3/min for PGME, PGMEA, DPGME respectively, tested under 100ppm, 21C and 10%RH. The experimental uptake rate of SPME for PGMEA was 30-50 times higher than that of the theoretical values. Such discrepancy likely results from PGMEA hydrolysis. The experimental uptake rates were significantly (p&amp;lt;0.05) affected by temperature and relative humidity, but was not (p>0.05) significant by wind velocity. Samples were stable for 9 days under 4°C and 7 days under room temperature. The current study demonstrated that the proposed sampler is suitable for monitoring airborne PEs and assess time-weighted average (TWA) exposures for workers. Nonetheless, future study is needed to validate the performance of the proposed method in the field.
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Li, Ya-Chien, and 李亞蒨. "Treating the Wastewater Containing Propylene Glycol Methyl Ether Acetate by Fenton Method." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/hwqaca.

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碩士<br>國立高雄科技大學<br>化學工程與材料工程系<br>107<br>Propylene Glycol Methyl Ether Acetate (PMA) is often used as a solvent for water-based paints because of its suitable polarity and volatility. The vapor of solvents is usually removed from the waste gas by water curtain equipment in spraying plants, so PMA becomes one of the main organic pollutants in the wastewater of such plants. Chemical Oxygen Demand (COD) of such wastewater is often close to 10,000 mg/L, but according to environment regulation of ROC, it must be treated until COD is less than 100 mg/L before discharging. Fenton method is a method that uses hydrogen peroxide to react with ferrous ions to produce hydroxyl radicals with high oxidation power to degrade organic molecules. In this study, the Fenton reaction was carried out in a two dosing streams semibatch reactor, and Taguchi method was used to obtain the optimal operating parameters. For each batch of 0.5 L simulated wastewater which containing 5,000 mg/L PMA (COD about 9,080 mg/L), the experimental results show that Fenton method can complete the wastewater treatment in the shortest time (about 18 minutes) at a H2O2 solution adding rate of 2.5 g-H2O2/min, a FeSO4 solution adding rate of 1.25 g-FeSO4·7H2O/min, and pH2. In addition, based on the time of CO2 formation in the Fenton reaction, it was confirmed that the temperature jump in the reaction system was due to the reaction heat released by mineralization. Therefore, the change of temperature or concentration of CO2 can be used as the completed index of wastewater treatment in industry to achieve the purpose of automatic control.
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Chang, Yu-feng, and 張鈺鋒. "Biotreatment of propylene glycol methyl ether acetate (PGMEA) and toluene in air streams." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/t2h886.

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博士<br>國立中山大學<br>環境工程研究所<br>97<br>Biotreatment for air pollution control can generally be categorized as biofilter, bioscrubbing and biotrickling filter systems. Generally, biotreatments could be effective and more economical treatment for containment waste gas if designed and operated properly. A two stage down-flow biofilter (2.18 m in height and 0.4 m×0.4 m in cross-sectional area) was constructed to develop a biofilter packed only with fern chips for the removal of air-borne propylene glycol monomethyl ether acetate (PGMEA). Both stages were packed with fern chips of 0.30 m in height and 0.40 m ×0.40 m in cross section. Fern chips could avoid the shortcomings of traditional media, such as compaction, drying, and breakdown, which lead to the performance failure of the biofilters. In addition, the fern chip medium has the following merits: (1) simplicity in composition, (2) low pressure drop for gas flow (< 20 mmH2O m-1), (3) simple in humidification, nutrient addition, pH control, and metabolite removal, (4) economical (USD$ 174 – 385 m-3), and (5) low weight (wet basis around 290 kg m-3). Results indicate that with operation conditions of media moisture content controlled in the range of 50 – 74%, media pH of 6.5 – 8.3, EBRT (empty bed retention time) of 0.27 – 0.4 min, influent PGMEA concentrations of 100 to 750 mg m-3, volumetric organic loading of < 170 g m-3 h-1, and nutrition rates of Urea-N 66.0 g m-3.day-1, KH2PO4-P 13.3 g m-3.day-1 and milk powder 1.0 g m-3 day-1, the fern-chip packed biofilter could achieve an overall PGMEA removal efficacy of around 94%. Instant milk powder or liquid milk was essential to the good and stable performance of the biofilter for PGMEA removal. An activated sludge aeration basin (20 cm i.d., 140 cm height) equipped with either a coarse air diffuser (a plastic pipe perforated with 56 orifices of 2 mm in diameter) or a fine diffuser (porous plastic type with 100-micrometer pores) was utilized to treat an air-borne hydrophobic VOC (toluene, 700 – 800 mg m-3). The purposes of this study were to test the influences of both MLSS and diffuser type on the VOC removal efficiency. Results show that higher MLSS (mixed liquor suspended solids) such as 10,000 – 40,000 mg L-1 in the mixed liquor did not enhance greatly the transfer and removal of the introduced toluene. Instead, activated sludge basins with a normal MLSS (e.g., 2,000 – 4,000 mg L-1) in the mixed liquor and an efficient gas diffusion system with volumetric VOC transfer coefficient of around 10 – 15 h-1 can be used for the removal of hydrophobic VOCs from the introduced gas. For achieving a removal of over 95% of the introduced toluene or similar hydrophobic VOCs, commercial air diffusers for aerobic biological wastewater treatment basins can be used with a submerged liquid depth of over 0.40 m over the diffusers and an aeration intensity (air flow rate/basin cross-sectional area) of lower than 5.0 m3 m-2 h-1.
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Chen, Hong-Long, and 陳鴻龍. "Design and Control of the Process of Propylene Glycol Mono-methyl Ether Acetate." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/34468859076172762173.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>102<br>In this research, design and control of a reactive distillation column to produce propylene glycol mono-methyl ether acetate (PGMEA) from propylene glycol methyl ether (PGME) and acetic acid (AA) via the esterification reaction is proposed. PGMEA is widely used as the photoresist in electronics industry and it is also important reactant in other industry. First of all, suitable thermodynamic and kinetic model are chosen to describe this process and perform the steady-state simulation by Aspen Plus. The system in this process is a reversible reaction and seeking out the optimum goal is obtained by minimizing the Total Annual Cost (TAC). After two optimum designs which are about reactive distillation column and azeotropic distillation column are obtained, we connect each unit into a plant-wide process and recycle the un-reacted reactants. Then, we change the feed location to look for the optimum process. After that, we will discuss the dynamic simulation and control of the plant-wide process by Aspen Dynamic. A simple control strategy has been brought forward, and the sensitivity analysis is performed to find the suitable control of each unit. With the interference by adjusting the feed flow rate and feed composition, the proposed control strategy works effectively and holds the purity of the product.
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Books on the topic "Propylene glycol ethers"

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Johanson, Gunnar. NEG and NIOSH basis for an occupational health standard: Propylene glycol ethers and their acetates. U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute of Occupational Health, 1991.

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Institute, Research Triangle, and United States. Agency for Toxic Substances and Disease Registry., eds. Toxicological profile for ethylene glycol and propylene glycol. U.S. Dept. of Health & Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, 1997.

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Methoxypropanol (propylene glycol methyl ether): Dipropylene glycol methyl ether. Hirzel, 1997.

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Book chapters on the topic "Propylene glycol ethers"

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Bährle-Rapp, Marina. "Propylene Glycol Butyl Ether." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_8544.

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Bährle-Rapp, Marina. "Propylene Glycol Myristyl Ether." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_8573.

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Bährle-Rapp, Marina. "Propylene Glycol Propyl Ether." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_8578.

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Bährle-Rapp, Marina. "Propylene Glycol Myristyl Ether Acetate." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_8574.

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Winter, Patrick M., Gregory M. Lanza, Samuel A. Wickline, et al. "Propylene Glycol Methyl Ether Acetate (PGMEA)." In Encyclopedia of Nanotechnology. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_100683.

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Wohlfarth, Christian. "Viscosity of propylene glycol monobutyl ether." In Viscosity of Pure Organic Liquids and Binary Liquid Mixtures. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49218-5_270.

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Wohlfarth, Ch. "Refractive index of propylene glycol monobutyl ether." In Refractive Indices of Pure Liquids and Binary Liquid Mixtures (Supplement to III/38). Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75291-2_257.

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Wohlfarth, Ch. "Viscosity of propylene glycol monomethyl ether acetate." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_207.

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Wohlfarth, Ch. "Dielectric constant of propylene glycol monobutyl ether." In Supplement to IV/6. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75506-7_242.

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Wohlfarth, Christian. "Viscosity of propylene glycol tert-butyl ether." In Viscosity of Pure Organic Liquids and Binary Liquid Mixtures. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49218-5_271.

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Conference papers on the topic "Propylene glycol ethers"

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Huebner, Bernd, Karl H. Schaller, and Juergen Angerer. "Exposure to propylene- and diethylene glycol ethers: analytical methods and biological monitoring." In Environmental Sensing '92, edited by Tuan Vo-Dinh and Karl Cammann. SPIE, 1993. http://dx.doi.org/10.1117/12.140260.

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Cizek, Jan, Radek Musalek, Jan Medricky, et al. "Suspension Spraying Tip: High Molecular Weight Solvent." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0548.

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Abstract In suspension spraying, the two most frequently used solvents are water and ethanol. In this study, we test a potential alternative, a high-molecular weight solvent. Two organic solvents are compared: ethanol (serving as a benchmark, suspension formulated at 10 wt.% solid load) and di-propylene glycol methyl ether (two suspensions at 10 wt.% and 20 wt.%). Submicron alpha-alumina powder is used as a model material to formulate the suspensions. It is shown that ethanol- and ether-based-feedstock coatings are fully comparable in terms of their microstructure, porosity content, surface roughness, and hardness. However, the ether-based coatings exhibit slightly higher levels of α-Al2O3 phase than their ethanol-based counterpart (17 wt.% vs. 6 wt.%). The use of 20 wt.% solid load in the ether solvent leads to a twofold increase in the deposition rate while, as opposed to ethanol, successfully retaining a dense microstructure. Ether also costs less than ethanol and is safer to handle.
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Entezarian, Majid, and Bob Geiger. "The effect of materials selection on metals reduction in propylene glycol methyl ether acetate, PGMEA." In SPIE Advanced Lithography, edited by Martha I. Sanchez and Vladimir A. Ukraintsev. SPIE, 2016. http://dx.doi.org/10.1117/12.2220044.

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Wang, Wenguo, Xuanjun Wang, Hejun Guo, Dayong Jiang, and Jian Zhang. "Research on the synthesis and performances of a new biodiesel, propylene glycol methyl ether palm oil monoester." In 2011 International Conference on Electric Information and Control Engineering (ICEICE). IEEE, 2011. http://dx.doi.org/10.1109/iceice.2011.5777971.

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Ko, Seung Hwan, Jaewon Chung, Yeonho Choi, Costas P. Griogoropoulos, and Dimos Poulikakos. "Fabrication of Inkjet Printed Flexible Electronics by Low Temperature Subtractive Laser Processing." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80535.

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The low temperature fabrication of passive electrical components (resistor, capacitor) on flexible substrates is presented in this paper. A drop-on-demand (DOD) ink-jetting system was used to print passive electrical components from gold nano-particles suspended in Alpha-Terpineol solution on a flexible polymer substrate. PVP (poly-4-vinylphenol) in PGMEA (propylene glycol monomethyl ether acetate) solvent was inkjet-printed as dielectric layer for capacitor. A pulsed laser beam was irradiated to produce finer electrical components, thereby overcoming the inherent limitation of inkjet processing. A continuous Ar laser beam was irradiated locally to evaporate carrier solvent as well as to cure the gold nano-particles in order to improve the electrical resistivity. Conductor lines and capacitors were fabricated on polymer substrate and their performance was analyzed.
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Dagaut, Philippe, Yuri Bedjanian, Guillaume Dayma, et al. "Emission of Carbonyl and Polyaromatic Hydrocarbon Pollutants From the Combustion of Liquid Fuels: Impact of Biofuel Blending." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75136.

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The combustion of conventional fuels (Diesel and Jet A-1) with 10–20% vol. oxygenated biofuels (ethanol, 1-butanol, methyl octanoate, rapeseed oil methyl ester, diethyl carbonate, tri(propylene glycol)methyl ether, i.e., CH3(OC3H6)3OH, and 2,5-dimethylfuran) and a synthetic paraffinic kerosene was studied. The experiments were performed using an atmospheric pressure laboratory premixed flame and a four-cylinder four-stroke Diesel engine operating at 1500 rpm. Soot samples from kerosene blends were collected above a premixed flame for analysis. Polyaromatic hydrocarbons (PAHs) were extracted from the soot samples. After fractioning, they were analyzed by high-pressure liquid chromatography (HPLC) with UV and fluorescence detectors. C1 to C8 carbonyl compounds were collected at the Diesel engine exhaust on 2,4-dinitrophenylhydrazine coated cartridges (DNPH) and analyzed by HPLC with UV detection. The data indicated that blending conventional fuels with biofuels has a significant impact on the emission of both carbonyl compounds and PAHs adsorbed on soot. The global concentration of 18 PAHs (1-methyl-naphthalene, 2-methyl-naphthalene, and the 16 US priority EPA PAHs) on soot was considerably lowered using oxygenated fuels, except 2,5-dimethylfuran. Conversely, the total carbonyl emission increased by oxygenated biofuels blending. Among them, ethanol and 1-butanol were found to increase considerably the emissions of carbonyl compounds.
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"Study of Molecular Interaction in Binary Mixtures of Poly (Propylene Glycol) Monobutyl Ether(PPGMBE) 1000 with 2-(Methylamino) Ethanol (MAE) and 1-Butanol using Thermodynamic and 1H NMR Spectroscopy." In International Conference on Machine Learning, Electrical and Mechanical Engineering. International Institute of Engineers, 2014. http://dx.doi.org/10.15242/iie.e0114073.

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Reports on the topic "Propylene glycol ethers"

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NEG and NIOSH basis for an occupational health standard: propylene glycol ethers and their acetates. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, 1991. http://dx.doi.org/10.26616/nioshpub91103.

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