Iranian experts have updated for the first time a distributed control system (DCS) built by US industrial conglomerate Emerson Electric at a petrochemical plant in the southwestern port of Mahshahr.

There were no casualties from a fire that broke out at a storage tank in a petrochemicals plant on Iran's Persian Gulf island of Kharg on Tuesday.

Iranian experts have designed and built a compressor which it badly needed in its burgeoning petrochemical industry but could not import because of US sanctions.

Iran's petrochemical revenues will top a record $20 billion in the current Persian year of 1400 which ends on March 20, 2022, Managing Director of the National Petrochemical Company (NPC) Behzad Mohammadi says.

Iran will finish 11 more petrochemical projects this calendar year to reach 100 Mtpa of output.

Iran, once an importer of benzene, launches exports after reaching self-sufficiency for the product.

Iran launches the massive Parsian Sepehr gas refinery in south with an investment of $1.013 billion.