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Fourteen types of clay, including soils and sediments from Lake Taihu, were modified by LaCl 3 , and their abilities of phosphorus (P) sorption (the total P up-taken) and fixation (the unleachable P retained in modified clays) were investigated. Results showed that P sorption rates of LaCl 3 -modified clays were all higher than 90%, while the fixation rates were raised from 3–14% to...
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