分析其原因可能是由于废渣弱碱性对弱酸性浸出具有一定的缓冲能力，导致废渣的浸出毒性较低。
It is because the waste slag in weak alkaline environment has the buffer capacity of the weak acid leaching, which thus results in lower leaching toxicity of the waste slag.
以硫化铜矿物为研究对象，在添加氯盐的酸性体系中，开展了黄铜矿加温、加压预氧化浸出过程研究。
Taking copper sulphide mineral as study objects, the studies of chalcopyrite heating and pressure pre-oxidation leaching process were conducted in acid system adding chloride.
硫化胶填充纳米二氧化后，耐酸性、耐碱性、耐水性得到了不同程度的提高，硫化胶浸出液离子降低。
Resisting water, acid and alkali properties of the modified nano-silica-filled vulcanizes can be improved accordingly, and leaching liquor ion form vulcanizes decreases.
结果表明，在酸性条件下，硝酸盐溶液能满足原地浸出采铀工艺的要求。
It is indicated that in acid environment nitrate solution is able to satisfy the demand of in-situ leach of uranium completely.
通过这种处理，在中和沉淀渣的小颗粒上形成完全的铁酸盐包复膜，在弱酸性条件下重金属离子不再浸出。
Through this kind of disposal process, heavy metal ions will no longer leach out from NPS under weak acidic conditions.
针对酸性氯化物中黄铁矿还原浸出锰结核的溶液成分特点，选择黄钠铁矾法进行了沉淀分离铁的研究。
Jarosite process was selected for iron removal due to the characteristics of the solution originated from the reduction leaching of manganese nodules by pyrite in chloride system.
采用酸性热压氧化工艺对某难处理金精矿进行预处理，其金回收率可由常规浸出的35.6%提高到94.3%。
With acid hot-pressure oxidation pretreatment, the gold recovery rate of a certain refractory gold concentrate is raised from 35.6% to 94.3%, comparing to the ordinary leaching process.
利用软锰矿在酸性(硫酸体系)条件下氧化浸出闪锌矿，对其浸出液进行萃取铟分离铁。
Sphalerite was oxidized and leached by manganese ore in acidic condition (sulfuric acid system), lixivium of which was used to extract indium and separate iron.
为防止铟水解和保证EDTA滴定法能在酸性条件下进行滴定，分析铟靶材废料盐酸浸出液时酒石酸钾钠用量对铟含量测定的影响。
To prevent indium hydrolysis and to ensure EDTA titration in acidic condition, the effect of seignette salt dose on indium solution of ITO waste material is studied.
为防止铟水解和保证EDTA滴定法能在酸性条件下进行滴定，分析铟靶材废料盐酸浸出液时酒石酸钾钠用量对铟含量测定的影响。
To prevent indium hydrolysis and to ensure EDTA titration in acidic condition, the effect of seignette salt dose on indium solution of ITO waste material is studied.
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