China's Zhejiang Yisheng Petrochemical starts up new PTA plant

07 June 2011 13:23  [Source: ICIS news]

SINGAPORE (ICIS)--China’s Zhejiang Yisheng Petrochemical started up its new 1.5m tonne/year purified terephthalic acid (PTA) plant in Ningbo on Tuesday, a company source said.

“We started to feed in feedstock paraxylene (PX) today, and so far the start-up process goes well,” said the source.

He did not know when the company would reach on-spec production of PTA.

Although the facility has a nameplate capacity of 1.5m tonnes/year it could actually produce up to 1.8m tonnes/year of PTA, the source said.

The facility is the company’s third PTA plant at Ningbo in eastern Zhejiang province. Yisheng operates two 650,000 tonne/year PTA units at the same site.

Feeding PX is regarded as the symbol of a formal start-up, a PTA technical specialist said.

“The next milestone should be on-spec production, but the process could take one week to a month depending on the facility, technology and personnel,” the specialist added.

For more on PTA and PX visit ICIS chemical intelligence


By: Becky Zhang
+65 6780 4359



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