Soil conditioning agglomerates containing cement kiln dust

Chemistry: fertilizers – Processes and products – Organic material-containing

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71 11, 71 27, 71 28, 71 29, 71 30, 71 31, 71 32, 71 33, 71 58, 71 59, 71 6401, 71 6403, 71 6405, 23313R, 23313P, C05B 900, C05B 1500, C05B 1900, C05D 300, C05D 900

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059975997

ABSTRACT:
Mechanically strong, water-disintegrable agglomerates for use as a soil conditioner produced from dust particles emitted from kilns during the manufacture of cement and a process for forming such agglomerates are disclosed. The process comprises combining cement kiln dust and a water-soluble binder to produce agglomerates which are then subjected to controlled drying such that the dried agglomerates having a size ranging from -7 to +8 Tyler Standard Sieve Series exhibit an average green crush strength of at least about 2 pounds (about 0.9 kg).

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