ISSN 2330-717X

Iran Says Changing Mode Of 60% Enrichment Is A ‘Technical Decision’


Iran’s ambassador to the international organizations in Vienna said the change in the mode of Iran’s 60% uranium enrichment program is a “technical decision” which the International Atomic Energy Agency (IAEA) was informed about.

“There is no need for odd speculations. Change in the mode of 60% enrichment is a technical decision and was foreseen in the DIQ which was provided to the IAEA last week before the operation,” Kazem Gharibabad wrote in a tweet on Friday morning.

The remarks came after Reuters published parts of an IAEA report that indicated Iran had reduced the number of centrifuges enriching uranium to up to 60% purity at a plant at Natanz to one cluster from two.

“On 21 April 2021, the Agency verified that Iran had changed the mode by which it was producing UF6 enriched up to 60% U-235 at PFEP,” the report said, adding that Iran was now using one cascade of IR-6 centrifuges to enrich to up to 60% and feeding the tails, or depleted uranium, from that process into a cascade of IR-4 machines to enrich to up to 20%.

Reuters said the IAEA report did not say why Iran had made the change.

But Gharibabadi told reporters on Thursday evening that Iran had told the UN nuclear agency that the 60% enrichment would be carried out using one cascade of IR-6 machines after coupling two IR-6 and IR-4 cascades within days into beginning the 60% enrichment program, Press TV reported.

“In the new mode, two IR-6 & IR-4 cascades are coupled and with one time UF6 injection enriched up to 5%, two different products of 60 & 20% is accumulated,” the Iranian envoy explained in another tweet.

He added that the enrichment operation became more efficient as a result of the move.

Iran announced the shift to 60% enrichment in response to a blast at the Natanz nuclear facility earlier this month that Israel is believed to have a role.

Tasnim News Agency

Tasnim News Agency is a private news agency in Iran launched in 2012. Its purpose is to cover a variety of political, social, economic and international subjects along with other fields

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