About: Nut shell filter

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A nut shell filter is a device to remove oil from water. In the oil & gas industry, the term walnut shell filter is common since black walnuts are most often used. Typically nut shell filters are designed for loadings under 100 mg/L oil and 100 mg/L suspended solids and operate with 90–95% removal efficiency. High oil and solids loadings reduce run times between backwashes and results in reduced effluent quality.

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  • A nut shell filter is a device to remove oil from water. In the oil & gas industry, the term walnut shell filter is common since black walnuts are most often used. Typically nut shell filters are designed for loadings under 100 mg/L oil and 100 mg/L suspended solids and operate with 90–95% removal efficiency. High oil and solids loadings reduce run times between backwashes and results in reduced effluent quality. (en)
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  • A nut shell filter is a device to remove oil from water. In the oil & gas industry, the term walnut shell filter is common since black walnuts are most often used. Typically nut shell filters are designed for loadings under 100 mg/L oil and 100 mg/L suspended solids and operate with 90–95% removal efficiency. High oil and solids loadings reduce run times between backwashes and results in reduced effluent quality. (en)
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  • Nut shell filter (en)
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