phenol extraction


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phenol extraction

[′fē‚nȯl ik‚strak·shən]
(chemical engineering)
Petroleum-refinery solvent-extraction process using phenol as the solvent to remove aromatic, unsaturated and naphthenic constituents from lubricating-oil stocks.
References in periodicals archive ?
Request of offers for the supply, installation & commissioning of a direct fire heater revamp project to upgrade its Phenol Extraction Unit and ENPPI was appointed as the Project Engineer.
Phenol extraction from seeds is dependent, in part, on the degree of seed oxidation or maturity.
It has been reported that the use of soluble polyvinylpyrrolidone for RNA extraction without ultracentrifugation is suitable for eliminating proteins during RNA isolation, although polyvinylpyrrolidone interferes with phenol extraction (Woodhead et al.
Table 5 also shows that the maximum phenol extraction recovery was reached using methanol, followed by ethanol (more than 90% for both solvents) and acetone.
Figure 1 shows the results of three phenol extraction procedures (Lanes 1-4), a detergent-potassium acetate method (Lanes 5 and 6), phenol:chloroform: isoamyl extractions (Lanes 7 and 8), as well as protoplast preparation (Lane 9) and processing in agarose plugs (Lane 10).
Bacterial DNA was isolated from each isolate using the bead beater procedure and standard phenol extraction.
Request of local & international offers to upgrade its existing Phenol extraction unit (PEU) to use N-Methyl-2-Pyrrolidone (NMP) solvent to increase raffinate product quality, including both waxy raffinate and unit feed rate, also to reduce solvent consumption.
Viognier fruit-processing methods (whole-cluster press, destemming, crush with or without skin contact, contact time and temperature) impact phenol extraction from this relatively high-phenol grape.
Request of offers in cooperation with Enppi for upgrading the existing Phenol Extraction Unit to use N-Methyl 2- Pyrrolidone (NMP) solvent to increase raffinate product quality waxy raffinate and unit feed rates and to reduce solvent consumption.
After the reaction mixture was treated with 1 U of RNase-free DNase at 37[degrees]C for an additional hour, synthesized mRNA was purified with one round of phenol extraction followed by ethanol precipitation.
After centrifugation at 8000g at 4[degrees]C for 5 min, supernatant solutions were transferred to fresh tubes, and phenol extraction was repeated for an additional one to three times until no debris was found in the interphase, followed by ethanol precipitation.