低品位磷矿,low-grade phosphate ore
1)low-grade phosphate ore低品位磷矿
1.Thelow-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 oflow-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 leachlow-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。
英文短句/例句
1.The Construction of Xiang-tan Phosphate Rock Company Using Low Grade Phosphate Rock to Produce Humidity Method Phosphate湘潭磷矿利用低品位磷矿生产湿法磷酸工程
2.The Necessity of Utilizing Mid-and Low-grade Phosphate Rock Resources in Yunnan Province;云南中低品位磷矿资源利用的必要性
3.Exploration on flotation technology for medium and low grade phosphate rock我公司中低品位磷矿采用的浮选技术
4.Kinetics of Low-grade Phosphate Ores Under the Variable Concentration of Phosphoric Acid低品位磷矿在变浓度磷酸中酸解动力学
5.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
6.Study of Factors Influencing Leaching of Low-grade Phosphate Ore with Acidithiobacillus;硫杆菌浸出低品位磷矿的影响因素研究
7.Exploiation and Utilization of Yunnan’s Medium and Low Grade Phosphorus Ores;云南中低品位磷矿开发利用与问题探讨
8.Research on Cultivation of Acidithiobacillus Strains by Microwave Mutagenesis for Bioleaching of Low-grade Phosphate Ore微波诱变选育优良硫杆菌浸出低品位磷矿
9.Present status and prospects for floatation industry of Yunnan medium and low grade phosphorite云南中低品位磷矿浮选工业化现状及展望
10.Study on the New Process and the Kinetics of Low-grade Phosphate Ores for WPA Production;利用低品位磷矿生产湿法磷酸的新工艺及动力学研究
11.Study of producing industrial phosphoric acid with middle-low grade phosphate rock byvertical kiln method立窑法利用中低品位磷矿石生产工业磷酸的研究
12.Acid-producing Acitivity of Acidithiobacillus Thiooxidans and Microbioleaching of Low-grade Phosphate Ores;嗜酸氧化硫硫杆菌产酸活性与低品位磷矿细菌浸出
13.Study on Bioleaching of Low Grade Phosphate Ore by Acidithiobacillus Ferrooxidans嗜酸氧化亚铁硫杆菌对低品位磷矿的生物浸出研究
14.Preliminary Study on the Grinding of Medium and Low Grade Rare-earth Containing Phosphate Ore from Zhijin,Guizhou贵州织金中低品位含稀土磷矿石磨矿试验研究
15.Experimental Research on the for Iron Concentration Technology for a Low Grade Vanadiferous Titanomagnetite Ore with High Phosphorus某低品位高磷钒钛磁铁矿选铁试验研究
16.Research on Coal-based Direct Reduction-Melting Separation Process for Low-grade and High Phosphorus Iron Ore低品位高磷铁矿煤基直接还原——熔分工艺实验研究
17.The Zhaobinggou iron/phosphate deposit in Fengning Hebei province hosts in greenstong belt of Archaeozoic era, is a unigue huge deposit with low grade.河北丰宁招兵沟铁磷矿床为赋存于太古宇绿岩带内低品位特大型矿床。
18.MINERAL PROCESSING TECHNOLOGY STUDY ON A LOW-GRADE IRON ORE IN HEBEI河北某低品位铁矿选矿工艺流程研究
相关短句/例句
low-grade phosphate ores低品位磷矿
1.Countercurrent digestion oflow-grade phosphate ores;逆流浸取低品位磷矿的工艺研究
2.The digestion kinetics oflow-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。
3)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 andlow 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
4)mid-low grade collophanite ore中低品位胶磷矿
1.Research on the program of processing and usingmid-low grade collophanite ore in Yunnan;云南中低品位胶磷矿加工利用技术方案研究
5)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 oflow-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。
6)utilization of low-grade phosphate rock低品位磷矿利用
延伸阅读
低品位锡精矿和锡中矿处理低品位锡精矿和锡中矿处理treatment of low-grade tin concentrate and tin middlingd IP}nwelx一j旧gkLJong he xlzhongkuong ehul}低品位锡精矿和锡中矿处理(treatmentofl()w一grade tln eoneentrate and tin middling) 使低品位锡精矿和锡中矿中的锡和一些有价金属生成硫化物或氯化物挥发与大量杂质分离而得以提取的冶金过程。低品位锡精矿一般含锡小于20%，锡中矿含锡为1%一1。环。处理这些选矿厂一产品对提高选冶综合回收率具有重要意义。处理的方法主要有烟化炉硫化挥发和回转窑氯化挥发两种。1953年苏联波多尔斯克炼锡厂(l1()加Jll.cK丽‘以‘小川“‘I.I泊a以帕首先用烟化炉硫化挥发法处理含锡低的炉渣，1964年苏联梁赞有色金属冶炼厂(:ja、)八仔川川少l\1拼r》)推厂‘应用于处理含锡、铅、锌的低品位物料中国云南锡业公司第一冶炼厂于1975年用烟化炉硫化挥发法处理含锡3%一4环的锡中矿，以后逐渐为德国、玻利维亚和英国的炼锡厂广泛采用。现世界上共约有1()座烟化炉专门用于处理低品位锡精矿和锡中矿氯化挥发法于1941年首先在泰国处理含锡3%一4%的物料，1949年由于设备严重腐蚀而停产中国云南锡业公司于1958年开始研究高温还原抓化法处理含锡1.5%一2.0%的复杂难选锡中矿，19鹅年建成厂日处理100t矿石的生产厂。烟化炉硫化挥发这种方法是将低品位锡精矿或锡中矿和硫化剂置于烟化炉中，在高温下使其中的锡和有价金属转变成硫化物挥发出来，然后再从烟尘中加以回收。其原理与富锡渣硫化挥发法基本相同.硫化剂常用的是黄铁矿。烟化炉的炉体为全水套结构，包括炉底及炉气出口烟道都是由水套构成。炉身水套里面焊有销钉，炉渣受水套冷凝的壳层附于水套内壁被销钉固定其厚度由几厘米到十几厘米，视各部位渣子的酸度、温度和运动剧烈程度而定。这层渣子可保护水箱的钢板，井使液体炉渣得到保温。硫化挥发操作开始时，将含锡物料或预先熔化加入烟化炉，或经制粒后加入前一炉放渣后留存的液渣中，或经风口借压缩空气喷吹于液渣中，操作数据指标和技术经济指标列于表1。表1烟化炉硫化挥发处理低品位锡物料的操作数据和技术经济指标甘一续表1、汤淤一卜郊冲啊术}。，。，。，}。二}。二。。}}}经}}}1}}济}}}}}}指}H一目认十，/“!IU。‘“I{l‘…’礁黑二/为…诊.「狱训1拭…“沂 ①原文名为Capper Pass%26Son Ltd·;②原文名为Zinnh让tte Freiberg A.G.;③原文名为La Palea Tin volatilizatior、Plant。
