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Báo cáo " Study on reuse of heavy metal rich sludge in ceramic pigment and construction material production "

Chia sẻ: Nguyen Nhi | Ngày: | Loại File: PDF | Số trang:7

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VNU Journal of Science, Natural Sciences and Technology 24 (2008) 280-286 In this study, primarily treating waste sludge rich of Cr, Ni, Fe,…generated from electroplating wastewater treatment plant and experimentally methods of utilizing wastes as inorganic pigment in production of bricks were carried out. Economic, technical and environmental efficiency and feasibility, bases to apply to practical conditions were evaluated. The results show that water accounts for about 70% of sludge. Contents of Ni, Cr and Fe are relatively high (20, 4.5 and 2.5%, respectively). ...

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