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Project at a Glance Contents on the CD ROM
  • p-Xylene is an aromatic hydrocarbon, based on benzene with two methyl substituents. The “p” stands for para, identifying the  location of the methyl groups as across from one another.
  • p-Xylene is an isomer of xylene. Other isomers include o-xylene and m-xylene. p-Xylene is used on a large scale for the
    manufacture of terephthalic acid for polyester. Its polymer is known as Parylene.
  • p-Xylene is produced by catalytic reforming of naphtha (a petroleum derivative) and separated in a series of distillation,
    adsorption or crystallization and reaction processes from m-xylene, o-xylene and ethylbenzene. Its melting point is the highest among this series of isomers, but simple crystallization does not allow easy purification due to the formation of
    eutectic mixtures.
  • Paraxylene is a colorless, sweet-smelling liquid at room temperature. Paraxylene is a
    flammable chemical. Paraxylene is not considered a highly reactive chemical. It occurs naturally in petroleum and coal tar.
  • Conventional paraxylene technology is based on the isomerisation of mixed xylenes. High purity product can be obtained using crystallisation or selective adsorptive separation.
  • Paraxylene is primarily used as a basic raw material in the manufacture of terephthalic acid (TPA), purified terephthalic
    acid (PTA) and dimethyl-terephthalate (DMT). TPA, PTA and DMT are used to manufacture polyethylene terephthalate (PET)
    saturated polyester polymers. Polyesters are used to produce fibers ,films and plastic bottles. A small amount of PX is used as a solvent and to produce di-paraxylene and herbicides.
  • The PX market has seen strong growth driven by increasing PTA consumption in polyester manufacture.
  • Global demand for PX has been growing strongly and this is expected to continue. Tecnon OrbiChem expects world consumption to grow at an average of 7%/year in the 2008-2013 period.
  • In the most recent incident, the municipal government of Dalian halted operation of a paraxylene (PX) plant - Fujia-Dahua PX Plant - and ordered its removal. The decision came after large tides destroyed the plant's flood bank and swept away tanks of dangerous chemicals.
  • The para-xylene industry however showed unprecedented volume growth in 2010, growing by 2.8 million tons, a full ten percent growth from 2009.
General Information
  • Paraxylene General Info
  • Paraxylene Basic Info


  • Company from USA
  • Company from Israel
  • Company from Asia


  • Plant from India
  • Plant from USA
  • Plant from Korea
  • Plant from Thailand
  • Plant from USA
  • Plant from South Korea


  • Consultancy from USA
  • Consultancy from UK
  • Consultancy from England

Data Sheet

  • Mixed Xylene
  • p-Xylene
  • para-Xylene
  • Paraxylene
  • Xylene, Para
  • Paraxylene from USA
  • Para-xylene from Israel
  • P-Xylene from USA
  • Para Xylene from India
  • Para-xylene from UK
  • p-Xylene from USA
  • ParaXylene Safety Data
  • Para-Xylene from USA


  • Para-Xylene
  • Paraxylene
  • Xylene
  • Paraxylene from USA
  • Para-Xylene from Israel
  • Para Xylene from USA


  • Process for High Purity Paraxylene Production
  • Modeling and Control System Design of a Crystallizer Train for Para-xylene Production
  • Base Aromatics Production process
  • Aromatics & Down Stream Process
  • Badger/Niro Paraxylene Crystallization Process


  • Global Paraxylene Market
  • Paraxylene Uses and Market Data
  • Paraxylene Prices and Pricing Information
  • Paraxylene Highlights


  • Capturing Opportunities for Para-xylene Production
  • Developments in para-Xylene Technology
  • Safe Handling and Storage of
  • Indian Petrochemical Industry - Challenges and Opportunities
  • Result of Proficiency Test ortho- and Para-Xylene
  • Growing protest against Chinese chemical plants
  • Construction of Paraxylene Production Complex at JSC
  • Management’s Discussion and Analysis (MD&A) and Operating Results for the
    Three-Month Period Ended
  • Paraxylene Production Plant Construction at JSC Mozyr Refinery, Republic of Belarus


  • Paraxylene Toxicity
  • Paraxylene Basic Hazard Info



  • Virtual state scattering with cold electrons: para-xylene
    and para-difluorobenzene
  • Paraxylene - feedstock for PTA
  • Paraxylene for PTA Production


  • Effects of plasma polymerized para-xylene intermediate layers
  • Determination of the effect of p-xylene on the growth of the fresh water green alga Selenastrum capricornutum.
  • Effects of methyl substitution on
    room-temperature chemisorption of para-xylene on Si(1 0 0)2 · 1 and modified surfaces: a thermal
    desorption and DFT study


  • Paraxylene recovery with Zeolite adsorbent
  • Production of Paraxylene
  • Process for improved recovery of paraxylene
  • Process for recovering paraxylene utilizing ammonia absorption refrigeration
  • Paraxylene Recovery
  • Energy efficient process for producing high purity paraxylene
  • Process for selectively producing paraxylene
  • Separation of Paraxylene
  • Crystallization process for purification of paraxylene
  • Method for rejuvenating solid paraxylene adsorbent
  • Process for co-production of metaxylene and paraxylene
  • Seeding and filter aid technique for paraxylene production


  • Aerobic Oxidation of para-Xylene in Sub- and Supercritical Water
  • Meta and para-Xylene Oxidation
  • Catalytic Para-Xylene Maximization. V. Toluene Methylation with Methanol
  • Hybrid purification of Paraxylene
  • Hysteresis of sorption isotherm of multiwall carbon nanotube in paraxylene
  • Selective Oxidation of para-Xylene to Terephthalic Acid
  • Para-Xylene Oxidation: Experi-mental Results in a JSR
  • Simultaneous Biodegradation of   p-Xylene
  • Friedel-Crafts Alkylation of
  • Distinction of ortho- and para-
    Xylene by Femtosecond-Laser Mass Spectrometry


  • Simulated moving bed reactor for paraxylene production
  • Para-xylene Production
  • Maximizing Paraxylene Production
    with ParamaX
  • Refinery Petrochemical Integration
    Alternate Routes to Produce
  • Improved  Paraxylene production with Simulated moving bed reactor


  • MINLP Model for Synthesis of Paraxylene Separation Processes Based on Crystallization Technology
  • Optimal synthesis of p-xylene separation processes based on crystallization technology


  • Suppliers for Paraxylene
  • Paraxylene Suppliers List

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