08-08-2023 дата публикации
Номер: CN116550274A
Принадлежит:
The invention relates to the field of solid waste resource utilization and sewage treatment, in particular to a preparation method of a magnesium slag modified gasification coarse slag phosphorus removal agent. The method comprises the following steps that S1, magnesium slag and gasification coarse slag are mixed in proportion, and the mixture and sodium hydroxide particles are mixed and ground; s2, calcining the product obtained in the step S1 in a muffle furnace; and S3, washing the product obtained in the step S2 with deionized water until the product is neutral, drying and grinding to obtain the target product magnesium slag modified gasification coarse slag dephosphorizing agent. The raw materials used in the invention mainly adopt solid wastes as raw materials, the process is simple, the cost is low, and the obtained product magnesium slag modified gasification coarse slag phosphorus removal agent has good phosphate ion adsorption capacity in a wide pH range, and especially has better ...
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