Excise treatment of spent earth as waste upheld; incidental residues from oil refining were held exempt from duty.

Spent earth arising incidentally during oil processing was treated as waste, not as an intentionally manufactured final product. Earlier Tribunal decisions on similar facts were applied to hold that saleability or value realisation does not by itself make an incidental residue excisable. Because the refining process is directed to obtaining refined oil, the unwanted residues such as spent earth, waxes, gums and fatty acids are not independently manufactured goods. The relevant exemption notification therefore applied, and central excise duty on spent earth was held not sustainable, with the impugned order set aside.

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Issues: Whether spent earth arising during the processing of oil is classifiable under tariff item 15220090 and liable to central excise duty, or whether it is exempt as waste under the relevant exemption notification.

Analysis: The issue was treated as already settled by earlier Tribunal decisions on identical or closely similar facts. The controlling reasoning was that materials such as spent earth, waxes, gums, and fatty acids emerging incidentally during refining are not intentionally manufactured final products. Their saleability does not determine excisability, because value realization alone does not convert an incidental residue into a manufactured excisable good. The process is directed towards obtaining refined oil, and the unwanted residues arising in that process are regarded as waste rather than as independently manufactured goods. On that basis, the exemption notification was held applicable.

Conclusion: The demand of central excise duty on spent earth was not sustainable, and the appeal was allowed by setting aside the impugned order.

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