Strip mining is efficient, but scars the land and bauxite processing releases a toxic red sludge that can seep into water supplies if not adequately contained.
露天开采(strip mining)很有效率，但会给大地留下伤疤，而且加工铝土的过程会释放有毒污染物，如果没有适当的控制，这些污染物会渗入水中。
The description focuses on bauxite dressing, digestion of concentrated bauxite, and red mud settling as well as impact of floatation agent on the production and improvement in agent.
着重讨论了铝土矿选矿过程、选精矿溶出过程、赤泥沉降过程以及浮选药剂对生产的影响和改进。
Red mud generated from Chinese diaspore bauxite has a poor settling performance, so that red mud settlement requires excellent polymeric flocculants.
我国一水硬铝石型铝土矿高压溶出后的赤泥沉降性能差，需添加高效絮凝剂以促进赤泥沉降。
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