Results 41 to 50 of about 16,082 (198)

Effect of Dispersion Solvent in Catalyst Ink on Proton Exchange Membrane Fuel Cell Performance

International Journal of Electrochemical Science, 2011
The effects of dispersion solvents in catalyst ink on performance of the membrane electrode assembly (MEA) for proton exchange membrane fuel cell are studied.
De-Chin Huang, Pei-Jung Yu, Feng-Jiin Liu, Shu-Ling Huang, Kan-Lin Hsueh, Yen-Cho Chen, Chun-Hsing Wu, Wen-Chen Chang, Fang-Hei Tsau   +8 more
doaj   +1 more source

STUDY THE EFFECT OF GLYCOLS BASE COSOLVENT ADDITIVES ON BREAKING OF CRUDE OIL EMULSION

Diyala Journal of Engineering Sciences, 2010
Emulsion breaking is one of complex process used in many practical applications such as the petroleum industry, painting and waste-water treatment in environmental technology. Chemical demulsification is the most widely resolved method of treating water-
Adel Sharif Hamadi
doaj   +1 more source

Effects of solid poly (ethylene glycols) addition to the solutions of aniline or N,N-dimethylaniline with water: Experimental measurements and modeling [PDF]

Journal of the Serbian Chemical Society, 2016
In this work, the liquid - liquid and solid - liquid phase behaviour of ten aqueous pseudo-binary and three binary systems containing polyethylene glycol 2050, polyethylene glycol 35000, aniline, N,N-dimethylaniline and water, in the temperature
Soldatović Danijela, Grozdanić Nikola, Višak Zoran, Radović Ivona, Kijevčanin Mirjana   +4 more
doaj   +1 more source

Polyester Polyols from Waste PET Bottles for Polyurethane Rigid Foams [PDF]

, 2003
This paper describes a modified process to produce polyester polyols from PET wastes derived from the “bottle fraction residue” of the German Dual System (DSD) [11] employing a waste oligoester condensate of the polyesterification process with the ...
Behrendt, Gerhard, Evtimova, Rozeta, Lozeva, Yordanka, Schmidt, Karl-Heinz, Wagner, Peter, Wotzka, Michael   +5 more
core   +1 more source

Batch process design and simulation for the regeneration of MEG, DEG and TEG from a complex refinery waste effluent using E-NRTL method in Aspen Hysys

Cleaner Chemical Engineering
The petroleum industry primarily relies on glycols as hydrate inhibitors. In the petrochemical sectors, one of the key processes is the dehydration of natural gas.
Jigyasha Srivastava, Prakash Kumar Beri Gopinathan   +1 more
doaj   +1 more source

Improving Product Purity of Ethylene Glycol Production from Ethylene Oxide by Modify Process Using Multi-stage Distillation

Journal of Chemical Engineering Research Progress
Ethylene glycol (EG) is an important industrial chemical widely used in the manufacture of polyester fibers, antifreeze formulations, and heat-transfer fluids.
Mirza Aufaa Nailendra, Maulana Reand Wijaya, Rafael Christofer Panggabean, Thariq Rifansyah, Yessa Liza Halimah   +4 more
doaj   +1 more source

Electrodeposition of copper – tin alloys from glycol electrolytes

Журнал Белорусского государственного университета: Химия, 2019
Stable ethylene glycol (EG) and propylene glycol (PG) electrolytes containing СuCl2 · 2H2O, SnCl4 · 5H2O and Trilon B have been developed, which provide electrodeposition of Cu – Sn alloy with tin content varying from 34 to 52 at.
Tatsiana N. Vorobyova, Maryia G. Haluza, Olga N. Vryblevskaya, Aleh V. Paniatouski, Elena A. Veretennikova   +4 more
doaj   +1 more source

Synthesis and biodegradation testing of some synthetic oils based on ester

Scientific Reports
Synthetic ester oils are widely used in many applications due to their ideal cleaning properties, lubricating performance and assured polarity. The majority of esters oils are more biodegradable. than any other base stock.
Reham I. El Shazly, Huda S. El-Sheshtawy, Nehal S. Ahmed, Amal M. Nassar   +3 more
doaj   +1 more source

Fast determination of toxic diethylene glycol in toothpaste by ultra-performance liquid chromatography–time of flight mass spectrometry [PDF]

, 2008
A rapid method for determining diethylene glycol (DEG) in toothpaste based on the use of ultraperformance liquid chromatography (UPLC) coupled to time-of-flight mass spectrometry (TOF-MS) has been developed.
Hernandez, Felix, Ibáñez, Maria, Sancho, Juan V   +2 more
core   +2 more sources

Process of treating cellulosic membrane and alkaline with membrane separator [PDF]

, 1970
The improvement of water-soluble cellulose ether membranes for use as separators in concentrated alkaline battery cells is discussed. The process of contacting membranes with an aqueous alkali solution of concentration less than that of the alkali ...
Hoyt, H. E., Pfluger, H. L.
core   +1 more source