A waste alkaline liquor produced in the process of oil refining contains high concentration sodium sulphide and mercaptan sodium etc, which needs treatment before its neutralization.
The method can reduce the treatment cost, effectively utilizes the resources of the water liquor, and prepare the organic fertilizer by utilizing the amino-nitrile waste liquor.
本发明方法能降低处理成本，有效利用废液的资源， 利用氨基腈生产废液制备有机肥料。
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Laboratory results of the treatmentof pulping black liquor, washing and bleaching waste water of a mill producing bleached kraft reed pulp were presented.