naphthenic acid


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naphthenic acid

[naf′thēn·ik ′as·əd]
(organic chemistry)
Any of the derivatives of cyclopentane, cyclohexane, cycloheptane, or other naphthenic homologs derived from petroleum; molecular weights 180 to 350; soluble in organic solvents and hydrocarbons, slightly soluble in water; used as a paint drier and wood preservative, and in metals production.
References in periodicals archive ?
DUBLIN, July 14, 2014 /PRNewswire/ --Research and Markets has announced the addition of the "Global and Chinese Naphthenic Acid Industry Report 2014" report to their offering.
DUBLIN, July 14, 2014 /PRNewswire/ -- Research and Markets has announced the addition of the "Global and Chinese Naphthenic Acid Industry Report 2014" report to their offering.
The copper plus naphthenic acid formulation was intended to result in the in-situ formation of copper naphthenate (not confirmed by chemical analysis), but generally employed much higher copper levels than the commercial waterborne copper naphthenate system.
com/research/9c8a71/refined_degreased) has announced the addition of the "Refined Degreased Naphthenic Acid (CAS 1338-24-5) Market Research Report 2011" report to their offering.
com adds "2014 2014 Deep Research Report on Global and China Naphthenic Acid Industry" and "2014 Deep Research Report on Global and China Bisphenol F Industry" reports to its research database.
gasoline in which an aluminum soap from naphthenic acid is used as a
Sour crude is full of organic acids that, when refined at high temperatures, creates naphthenic acid, which is extremely corrosive to certain metals.
These xenobiotic compoundsmight be formed during microbial attack of some important groundwater pollutants, such as fuel oxygenate ethers, alkyl phenols, naphthenic acids and related compounds all possessing already a tertiary alcohol group or an aliphatic side chain which could be converted to it in the course of degradation.
As it is well known [12], the carboxylic and naphthenic acids are important surface active substances (SASt) and petroleum fluid components, and for solvation of the oil and gas hydrocarbons they form insoluble salts with the divalent calcium ([Ca.
The most toxic of these are a mixture of compounds known as naphthenic acids that are resistant to breakdown and persist as pollutants in the water used to extract the oils and tar.
Tailings contain sand, silt, clay, water and a host of toxic compounds, including residual bitumen, naphthenic acids, phenolic compounds, ammonia-ammonium and metals.
Merichem Chemicals & Refinery Services LLC, a wholly owned subsidiary of Merichem Company, provides a diversified portfolio of products and services including innovative process technology and engineering, caustic management, naphthenic acids, copper naphthenate, and sodium hydrosulfide to the refining, chemical, and pulp and paper industries worldwide.