Iwaki Daio Paper’s No. 5 boiler took 27 days to restart
The 2023 peak was 1.6 times the standard. At which point in retesting should a printing company set its delivery terms?
The equipment restarted 27 days after the exceedance was identified. If printing companies use this in future delivery decisions, the conditions include not only the end of remedial work but also the wait for retesting. No impact on actual paper supply was confirmed in 2023.
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Translated from Japanese by AI. The Japanese original is authoritative.
Iwaki Daio Paper identified the exceedance and shut down the equipment on 31 October 2023. It restarted on 27 November, after results within the standard were obtained.
In August 2026, boilers No. 3, No. 4 and No. 5 were operating. The materials state that there were no exceedances, and the No. 5 reading was 0.036 ng-TEQ/m³N. This figure shows exhaust-gas concentration. It does not measure paper output, product inventory or spare capacity for paper supply.…
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