研究了采用弱磁选、重选等方法回收硫酸渣中的铁矿物。
The comprehensive ore dressing methods including low-intensity magnetic seperation and gravity separation are researched.
患有 Hunter 综合征的人缺乏艾杜糖醛酸2-硫酸酯酶，这对于回收复杂的碳水化合物至关重要。
People with Hunter syndrome lack the enzyme iduronate-2-sulfatase, which is essential for recycling complex carbohydrates.
并对技术方案进行了试验研究，试验结果硫酸回收率达到90%以上，硫酸铵回收率达到70%以上。
Through experimental study of technological plan, the result shows that reclamation rate of sulphuric acid is above 90% and ammonium sulfate is above 70%.
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