The final solution containing arsenic was treated by adding lime and ferric salt, and waste water reached discharge standard.
最后的含砷溶液加入石灰和铁盐加以处理，废水达到了排放标准。
The most common method is primary neutralization with lime milk, but the result is not satisfied the discharge standard and deposits will pollute environment once again.
目前国内大部分企业均采用石灰乳一次性中和处理方法，处理结果既不能达标排放，而且大量的沉渣也会对环境造成二次污染。
Therefore, making study on the mix design strength standard of lime-fly soil in the Yellow River alluvial area has important engineering significance.
因此，对黄泛区二灰土配合比设计的强度标准进行研究具有重要的工程意义。
Therefore, making study on the mix design strength standard of lime-fly soil in the Yellow River alluvial area has important engineering significance.
因此，对黄泛区二灰土配合比设计的强度标准进行研究具有重要的工程意义。
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