求翻译：过滤后，将滤液酸化至溶液呈橙红色，再过滤将固体滤出，用水洗，乙醚洗得土黄色固体，将该固体溶于水在NH3调 性，活性碳脱色，过滤，得白色固体。是什么意思？

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After the filtration, will filtrate to assume the orange red the acidification to the solution, again will filter the solid filters out, with the laundering, the ether will wash the brown color solid, will dissolve this solid in the water moves in NH3 the nature, the activated carbon decolorizes, th

After filtering, acidification to landfill leachate solution is orange-red, and then filter filters out solids, water, ether washed khaki solid, the solid is soluble in water in NH3 tonality, active carbon decoloration, filtering, white solid.