Compared with the existing method, the method for preparing the sodium lignin sulfonate water reducer has no pollution to the environment, the processes are simple and convenient, and the cost is low.
与现有方法相比，本发明的制备木质素磺酸钠减水剂的方法对环境没有污染，工序简便，成本低廉。
Compared with the existing method, the method for preparing the sodium lignin sulfonate water reducer has no pollution to the environment, the processes are simple and convenient, and the cost is low.
与现有方法相比，本发明的制备木质素磺酸钠减水剂的方法对环境没有污染，工序简便，成本低廉。
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