Terephthalic acid

EC 202-830-0

Also known as p-phthalic acid, para-phthalic acid, and PTA.

Terephthalic acid projects

chemXplore tracks 11 projects involving terephthalic acid, of which one is active.

11 produce it and 1 uses it as feedstock.

1 Announced / Concept

1 new construction.

What moved recently
  • July 2026 DePoly Commercial PET Depolymerization Plant (50,000 tpy) · Announced / Concept · Switzerland
  • July 2026 dePoly Monthey PET Depolymerization Showcase Plant · Operational / Completed · Switzerland

Owners and developers: dePoly (1)

Investors: BASF Venture Capital GmbH (1), Infineum International Ltd. (1), Una Terra Venture Studio AG (1)

Licensors are recorded on this project For subscribers

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Latest news on terephthalic acid

6 July 2026
DePoly inaugurates Showcase Plant in Monthey

New Monthey depolymerization plant converts PET and polyester textiles back into virgin-quality monomers for hard-to-recycle streams.

13 November 2025
LOTTE Chemical Sells 75.01% Stake in LCPL

The sale to PTA Global Holding Ltd. secures KRW 127.6 billion, enhancing financial stability and focusing on high-value specialty materials.

24 September 2025
Koch Technology Solutions and INVISTA advance N2O abatement deployment

Proven adipic-acid N2O abatement tech at four industrial sites with >75 million t CO2e annual abatement installed; now offered through licensing and commercialization to industry partners.

5 September 2025
Indorama Ventures Enables Scalable Bio-Based PET Fibers

Indorama Ventures offers a certified low-carbon supply chain for bio-based PET fibers, ensuring performance and traceability while reducing emissions and supporting rapid market deployment.

11 August 2025
matterr Secures €30M EU Grant for Polyester Recycling Plant

The €63M project will build a 10,000-tonne polyester recycling plant in Germany by 2027, aiming to transform waste into high-quality feedstock for packaging and textiles.

29 April 2025
DePoly to open 500‑tonne/year Monthey showcase plant after $23M raise

Showcase plant will convert PET and polyester waste into oil‑equivalent, virgin‑quality monomers without fossil fuels; commercial scale target set for 2027.

22 January 2025
DePoly and PTI demonstrate closed-loop recycled PET bottle

Closed-loop bottle made from mixed PET and polyester waste, depolymerised to PTA, re-polymerised into PET pellets and blown into bottles; NIAS screening indicates food-contact compliance.

21 January 2025
INEOS Aromatics Gains Environmental Support for Geel Permit After Talks

A new permit aligns cobalt discharge with water standards, reducing emissions by 90% by 2027. A monitoring committee will oversee progress, urging government action on water policy.

8 October 2024
Odlo and DePoly pilot chemical recycling for circular base layer

Using 20 kg of cut-off base-layer fabric, the trial will depolymerise PET to monomers and rebuild recycled PET yarn; funded by a CHF 24,000 Innosuisse grant.

25 June 2024
DePoly Begins Showcase Plant Construction in Switzerland

The plant will recycle 500 tons of PET annually, creating 30 jobs, and serve as a model for future global expansion, targeting industries like apparel, food, and automotive.

Terephthalic acid plants by country

chemXplore tracks 10 plants producing terephthalic acid in 9 countries.

plants

The 4 with the most plants, of 9 countries.

Terephthalic acid producers

plants

The 3 with the most plants, of 4 producers.

A subscription lists every plant we track for terephthalic acid, with its owners and capacity. What a subscription does →