1) low-grade phosphate gangue
低品位磷矿废石
1.
The leaching of phosphate ore with sulfuric acid produced by the oxidation of reductive sulfur with Thiobacillus is expected to provide a new way for the comprehensive utilization of low-grade phosphate gangue and protection of environment.
用硫杆菌氧化还原态硫产生硫酸来浸出磷矿,可望为低品位磷矿废石的综合利用及环境保护开辟新的途径,但是用硫杆菌浸出磷矿的浸出率较低。
4) low-grade phosphate ore
低品位磷矿
1.
The low-grade phosphate ores with high impurities of sesquioxide were digested in phosphoric acid and nitric acid.
采用正交实验,研究了高倍半氧化物含量的中低品位磷矿在磷酸与硝酸混酸中的酸解行为,并确定了实验室最佳工艺条件:反应温度65℃,液固比14∶1,磷酸浓度(P2O5)20%,硝酸浓度9。
2.
t) that can be used effectively in the leaching of low-grade phosphate ore was isolated from acid mine drainage from a coal mine in Anhui.
从安徽某煤矿的酸性矿坑水中分离出能有效浸出低品位磷矿的氧化硫硫杆菌菌株,对其形态特征和培养特性进行了初步的研究,并通过研究不同固体培养基成分对氧化硫硫杆菌分离纯化的影响,确定了适宜的分离条件:采用双层平板,即上层为涂布氧化硫硫杆菌的Starkey固体培养基平板,下层为涂布异养菌(红酵母菌)的琼脂平板,可显著提高菌落密度并缩短检出时间。
3.
A strain of Acidithiobacillus thiooxidans(At t) isolated from a sulfur-containing hot spring in Guangxi was used to leach low-grade phosphate ore after being purified and cultivated.
从广西某含硫温泉中分离得到了嗜酸氧化硫硫杆菌菌株,经分离纯化与初步培养后进行浸出低品位磷矿实验。
5) low-grade phosphate ores
低品位磷矿
1.
Countercurrent digestion of low-grade phosphate ores;
逆流浸取低品位磷矿的工艺研究
2.
The digestion kinetics of low-grade phosphate ores in intital operation was investigated under the non-steady state,in which the concentration of phosphoric acid is variable.
采用理论与实验相结合的方法对低品位磷矿在原始开车时非定态变浓度(P2O5浓度)酸解动力学进行了研究。
6) low grade phosphate rock
低品位磷矿
1.
Research progress of phosphate resource processing:3.Study on the passivation of iron and aluminum impurities in medium and low grade phosphate rock
磷矿资源加工研究进展:3.对低品位磷矿中高铁铝杂质的钝化
补充资料：废石
废石
waste
felshl废石(waste)矿体周围的岩石(围岩)和夹在矿体中的岩石(夹石)的统称。凡是不含有用成分，或者有用成分含量过少，或含有按当前技术无法加工提取的成分，按技术经济条件不宜作为矿石开采的，均列为废石。废石的概念不是绝对的，随着技术经济的发展，采矿、选矿和冶炼技术水平的提高，以及对矿石需要量的增加，有的废石可转变为有开采价值的矿石。 (刘兴国)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条