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· pdf emission factor documentation for ap-42 section 11.21 (formerly 8.18) phosphate rock processing 1. introduction the document compilation of air pollutant emissions factors (ap-42) has been published by the u.s. environmental protection
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a charge of 25.4 mm (1 inch) diameter balls, grinding a slurry of phosphate ore in this case, are expressed in the form of characteristic breakage parameters αt min-¹ α µt mm, λ, γt, β and ∅t (as discussed in the experimental section). the overall rates
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background report, ap42, vol. i, section 11.21 phosphate rock grinding stages. because the primary use of phosphate rock is in the manufacture of phosphatic fertilizer, only those phosphate rock processing operations associated with fertilizer manufacture
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· pdf section 5 troubleshooting okay, you plated a part and it looks bad, maybe roughness or pits. or perhaps the deposit looked pretty good, but the grinder returned it to the plating shop because it didn’t clean up (i.e., insufficient chrome), or it peeled off during
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