dewaxing


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dewaxing

[dē′waks·iŋ]
(chemical engineering)
Removing wax from a material or object; a process used to separate solid hydrocarbons from petroleum.
References in periodicals archive ?
WSF Industries provides dewaxing autoclave systems and cleaning/leaching autoclave systems.
A survey of the pre-bonding preparation of denture teeth and the efficiency of dewaxing methods.
Highly refined oils produced by blending of judiciously selected base stocks manufactured by the distillation, solvent extraction & dewaxing of high paraffinic crude.
This is because the disaggregated cells present in FNA and core biopsies are potentially washed away during all dewaxing steps, including pipetting off of the wax-solvent (whether xylene or xylene substitute) mixture and subsequent ethanol washes, of these minute specimens that are already starting out near the limits of suitability for testing.
4, 2015, she was assigned a light duty job of GMP monitoring (monitoring employees using the restroom), placing sticker labels on bags and dewaxing fruit.
For dewaxing and hydration, tissue sections were sequentially placed in xylene (10 minutes x 2), 100% ethanol (5 minutes x 2), 90% ethanol, 80% ethanol, 70% and 50% ethanol (5 minutes at each concentration), distilled water (5 minutes), and 0.01 phosphate buffered saline (PBS, PH 7.4; 5 minutest x 3).
Sources familiar with Exxon's plans said the lube plant, which includes two furfural units, one with a capacity of 10,000 bpd, a 4,200 bpd ketone dewaxing unit and a 4,000 bpd hydrofinisher, will permanently shut down in April.
According to analyst Joey Lovins, "We expect supply issues for petroleum waxes as major refiners shift away from producing the lower quality base oils from which petroleum waxes are derived." Additionally, refiners are increasingly turning to catalytic dewaxing technologies, which do not produce wax as a byproduct.
Dewaxing was done and all the wax residues were eliminated using steam jet.
In this method the lead foil is incorporated within the denture after dewaxing the denture as required.
PCR amplification and sequencing of 16S rDNA and 18S rDNA for the detection of bacteria and fungi, respectively, were performed on the pulmonary biopsy after dewaxing, and were negative.
All slides were warmed up for 35 min to a temperature of 55[degrees]C for dewaxing, boiled in 10 mM citrate buffer (pH 6.0) by microwave treatment (600 W) for 20 min for demasking the antigens.