求翻译：研究表明此改良沸石处理含锌废水，去除率可达80～90%，由于本实验不是在最佳条件下处理含锌废水，去除率仅为28.86%。是什么意思？

Studies have shown that this modified zeolite zinc wastewater, the removal rate can reach 80 ~ 90%, this experiment is not under the best conditions for processing zinc waste water, removal of only 28.86%.

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The research indicated this improvement zeolite processing including the zinc waste water, the elimination rate may reach 80~90%, because this experiment is not processing contains the zinc waste water under the optimum condition, the elimination rate is only 28.86%.

Studies have shown that this treatment of zinc-containing wastewater with modified zeolite and removal rates of up to 80~90%, because this experiment is not in the best conditions, treatment of zinc-containing wastewater, removal rate is only 28.86%.

正在翻译，请等待...