这个污水厂最近说它从一吨焚化污泥后的灰烬中提取了1,890克黄金。
The facility recently recorded finding 1,890 grammes of gold per tonne of ash from incinerated sludge.
它预计从这个财政年度到3月底，可从焚化污泥后的灰烬回收的黄金中赚取一千五百万日元。
It expects to earn about 15 million yen for the fiscal year to the end of March from the gold it has retrieved from the ashes of incinerated sludge.
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