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.

炼油厂生产过程中产生的废碱液，含有浓度很高的硫化钠，硫醇钠等恶臭物质，在中和废碱液前需对其进行处理。

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The mother liquor can be used in the production of alkaline etching waste liquid, the comprehensive use of which is significant to the saving of resources and environmental protection.

碱性蚀刻废液的综合利用对于资源节约与环境保护都具有重要意义。

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Aspen neutral sulfite-anthraquinone pulping waste liquor (NS-L) and Larch alkaline sulfite-anthraquinone pulping waste liquor (AS-L) are used as the adhesive for the forming of zinc ore powder.

对中性亚硫酸钠-蒽醌法杨木蒸煮废液(NS - L)和碱性亚硫酸钠-蒽醌法落叶松蒸煮废液(AS - L)做锌矿粉的成型粘合剂进行了研究。

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