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Englisch
- Two naphtha hydrotreaters remove and decrease sulfur compounds, nitrogen compounds and other heavy metallic compounds and prepare feedstock for catalytic refromers.en.wikipedia.org
- Therefore, the naphtha feedstock to a catalytic reformer is always pre-processed in a hydrodesulfurization unit which removes both the sulfur and the nitrogen compounds.en.wikipedia.org
- Most plants, therefore, require nitrogen compounds to be present in the soil in which they grow.en.wikipedia.org
- Non-organic gardens use fertilizer which contains nitrogen compounds.en.wikipedia.org
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