Terephthalic Acid                                          
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Project at a Glance Contents on the CD ROM
  • Terephthalic  acid is a carboxylic acid. Terephthalic acid donates hydrogen ions if a base is present to accept them. This "neutralization" generates substantial amounts of heat and produces water plus a salt.
  • Terephthalic acid is a sand-like white powder. It is used as a reagent to neutralize alkali in wool, as an additive to poultry feeds, and to increase the effectiveness of certain antibiotics.
  • PTA is used to manufacture light-coloured adhesives to bond metal, wood, paper and synthetics. Specific uses for these high-strength, solvent-free adhesives include shoe fabrication, lamination and automotive sub-assembly.
  • Purified Terephthalic Acid (PTA) is used in the industrial fiber industry as one of the raw materials to make polyethylene terephthalate, more  commonly known as polyester.
  • End products produced from PTA include polyester fabrics, recording tapes, tire cord, food packaging, and soft drink bottles.
  • Terephthalic acid is a key raw material for polyester production and ranks 25 th in tonnage of all chemicals produced in the world.
  • Terephthalic acid (TPA) is made by air oxidation of p-xylene and requires purification for use in polyester fiber manufacture.
  • PTA is made by causing a reaction between the secondary petroleum product paraxylene (PX) and acetic acid.
  • Terephthalic acid (TA), one of the largest volume commodity chemicals, is commercially manufactured, by dioxygen oxidation of para-xylene (PX), in a homogeneous acetic acid (HOAc) medium, using a catalyst combination of cobalt and manganese salts and bromide ion promoter .
  • Terephthalic acid (TA), one of the largest volume commodity chemicals, is commercially manufactured, by dioxygen oxidation of para-xylene (PX), in a homogeneous acetic acid (HOAc) medium, using a catalyst combination of cobalt and manganese salts and bromide ion promoter.
  • The oxidation of para-xylene to crude terephthalic acid (CTA) catalyzed by metals and bromide is accomplished in acetic acid. The CTA is then purified to obtain purified terephthalic acid (PTA).
  • More than 60% of the DMT/TPA produced in the world is used to manufacture PET polymer for polyester fibers. Another 31% goes into the manufacture of PET solid-state resin for bottles and other packaging applications.
  • China is by far the largest TPA producer in the world and accounted for a share of about 28% in 2009. Other major producers are the Republic of Korea, Taiwan and Thailand. The latter three export about half of the TPA produced, accounting for nearly 80% of the global trade, with the rest consumed in PET solid-state applications.
  • Nearly all purified terephthalic acid (PTA) is consumed in polyester production including polyester fibre, polyethylene terephthalate (PET) bottle
    resin and polyester film. For most grades of polyester used in textiles and food and beverage containers, it is more economical to use PTA than the alternative dimethyl terephthalate (DMT) intermediate.
  • The remaining PTA is used in making cyclohexanedimethanol, terephthaloyl chloride, copolyester-ether elastomers, plasticisers and liquid crystal
    polymers.
  • A major challenge facing the PTA industry is the growing overcapacity caused by huge capacity additions of nearly 9m tonne/year under
    development, mainly in China. Up to three PTA units could be started up in China by mid-2009 although two of these could face delays.
     
Introduction
  • Terephthalic acid
  • Terephthalic Acid - Purified
  • Purified Terephthalic Acid
  • Terephthalic Acid - Intro
  • Hazardous Factsheet

Msds

  • Terephthalic Acid , 98%
  • Terephthalic Acid, 98% - Msds
  • Terephthalic Acid
  • Terephthalic Acid - Msds
  • Terephthalic Acid , Disodium Salt
  • Eastman(TM) Purified Terephthalic Acid (EPTA)
  • Pure Terephthalic acid
  • 2-(Trifluoromethoxy) terephthalic acid, 97%
  • Msds of  Terephthalic Acid
  • Msds - Terephthalic Acid
  • Msds - Terephthalic Acid 98%
  • PTA Interquisa

Products

  • Ecoflex F Blend
  • Ecoflex Batch C Black
  • Pure Terephthalic Acid Specification
  • Polymer grade Terephthalic acid
  • Powder Coating Resins Based on Terephthalic Acid
  • Specifications for Purified Terephthalic acid (PTA)

Applications

  • Analysis of Terephthalic Acid
  • Direct dyes derived from iso- and terephthalic acids
  • Used in the production of Polybutylene Terephthalate
  • Production of Polyethylene Terephthalate
  • Applications of PTA
  • Room temperature synthesis of metal-organic frameworks
  • Synthesis of Biomass-Derived Terephthalic Acid Derivatives

Production Process

  • TerephthalicAcid processes
  • Terephthalic Acid - Process Description
  • Manufacturing Process
  • New Oxidation Process for duction of Terephthalic Acid from p-Xylene
  • Production process for purified terephthalic acid
  • Preparation of Terephthalic acid by coal acids isomerization
  • Selective Oxidation of para-Xylene to Terephthalic Acid
  • Preparation of Some Substituted Terephthalic Acids

Technology

  • Technological Aspects of Terephthalic Acid Formation
  • Terephthalic Acid
  • DiamondFaces advanced coating technology
  • Drying Technology
  • Novel Technology Breakthrough Process for PTA Manufacture

Patents

  • Production of terephthalic acid
  • Process for manufacturing terephthalic acid
  • Terephthalic acid copolyamides
  • Process for producing terephthalic acid
  • Manufacture of terephthalic acid copolyamides
  • Purification of terephthalic acid
  • Process for preparing terephthalic acid
  • Terephthalic acid process
  • Process for producing purified terephthalic acid
  • Purification of crude terephthalic acid
  • Method for producing high purity terephthalic acid
  • Enriched terephthalic acid composition
  • Terephthalic acid production
  • Preparation of terephthalic acid from a crude dimethyl terephthalate
  • Apparatus for preparing purified terephthalic acid

Technology / Turnkey Offers

  • Company from Germany
  • Company from Japan
  • Company from Michigan
  • Company from Mumbai
  • Company from Spain
  • Company from UK
Machinery and Plant Details
  • Compressor Trips Prevented in Purified Terephthalic Acid Plant
  • Turbomachinery for Terephthalic Acid Plants
  • McCannaseal Ball Valves for Purified
    Terephthalic Acid
  • Advanced Dehydration in TPA Plants
  • IOC Aromatics and Purified Terephthalic Acid, India
  • Plant Supplier from New Delhi
  • Plant Supplier from Japan
  • Plant Supplier from Korea
  • Plant Supplier from USA
Company Profiles
  • Company from India
  • Company from Japan
  • Company from Kolkata
  • Company from Mumbai
  • Another Company from Mumbai
  • Company from Singapore
  • Company from Tennessee
  • Company from Thailand

Consultants

  • Company from China
  • Company from Colorado
  • Company from Frankfurt
  • Company from India
  • Company from New York
  • Company from Thailand
  • Expert

Suppliers

  • Suppliers of Terephthalic Acid
  • List of Suppliers
  • Indian Suppliers
  • Manufacturers of Terephthalic Acid
  • Sellers

Study

  • Deprotonation-Driven Phase Transformations in Terephthalic Acid
  • Direct determination of trace elements in terephthalic acid
  • Synthesis and enzymatic degradation of poly(tetramethylene succinate)
    copolymers with terephthalic acid
  • Metabolism of Terephthalic Acid and Its Effects on CYP4B1 Induction
  • Study on optimal biodegradation of terephthalic acid
  • Surface-Mediated Nucleation in the Solid-State Polymorph Transformation of Terephthalic Acid
  • Liquid Crystalline Aromatic Polyesters Formed with Terephthalic Acid

Market

  • Asian polyester fiber chain prices continue to collaps
  • China purified terephthalic acid, polyester market balance key to restoring confidence - sources
  • Purified Terephthalic Acid (PTA) Uses and Market Data
  • Market Information

Reports

  • Anaerobic Treatment of a Petrochemical Wastewater from  a Terephthalic Acid Plant
  • Artenius Purified Terephthalic Acid Facility, Portugal
  • Annual report of a Japan Company
  • Assessment Report
  • Annual report of a Company from Mumbai
  • Annual Report of a Company from Maharashtra
  • Invista acquires unique residue recovery technology for terephthalic acid industry
  • Chemical Manufacturing
  • Statement on the Mutagenicity of Terephthalic Acid

 

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