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Related to Orthoxylene: phthalic anhydride


n.1.(Chem.) That variety of xylene (C6H4(CH3)2) in which the two methyl groups are in the ortho position; a colorless, liquid, combustible hydrocarbon resembling benzene.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The two other plants (which make paraxylene and orthoxylene) will be evaluated in Feb.
This is Pakistan's first petro-chemical plant using Orthoxylene to manufacture Pthalic.
About 94% of worldwide demand for orthoxylene originate in the production of phthalic anhydride (PAN).
Tuban Petro is a 59.5% shareholder of PT Trans Pacific Petrochemical Indotama (TPPI) which produces paraxylene, benzenem toluene and orthoxylene.
It will have an annual capacity to produce 500,000 tons of Paraxylene (PX), 341,000 tons of benzene, 75,000 tons of toluene and 80,000 tons of orthoxylene. PX is used as a feedstock for purified terephtalic acid (PTA), which is a basic material for polyester fiber and PET resin It will also have a facility to produce oil products like reformate with an annual capacity of 382,000 tons, kerosene with a capacity of 637,000 tons and diesel oil 164,000 tons.
The aromatics plant was designed to use technology from UOP of the US and was to produce 450,000-500,000 t/y of paraxylene, 150,000 t/y of benzene, about 150,000 t/y of toluene and 150,000 t/y of orthoxylene.
The aromatic center of TPPI will have an annual capacity to produce 500,000 tons of paraxylene, 207,000 tons of benzene, 100,000 tons of toluene and 120,000 tons of orthoxylene. TPPI will also produce reformate with an annual capacity of 335,000 tons, kerosene 11.1 million tons, diesel oil 189,000 tons and light naphtha 1.06 tons a year.