浮选

According to craft mineralogical research result, use raw ore to wait for sulfide via floatation eliminate realgar, gamboge first, soak of the cyaniding after floatation concentrate pretreatment, the plan of direct cyaniding soak undertakes floatation gangue experiment, total soak rate of gold is achieved 88.52%, relatively raw ore is direct soak of complete mud cyaniding increases 25.02 percent.

根据工艺矿物学探究结果，采用原矿先经浮选除去雄黄、雌黄等硫化物，浮选精矿预处理后氰化浸出，浮选尾矿直接氰化浸出的方案进行试验，金的总浸出率达到88.52%，较原矿直接全泥氰化浸出提高25.02个百分点。

Adapting the combination of CMC, Na2SO3 and Na2SiO3 which were environment-friendly as the depressant of galena instead of toxic sodium dichromate.

依据矿石性质的特点，铜铅锌浮选采用铜铅混合浮选、然后再进行铜铅分离，铜铅浮选尾矿进行浮选锌矿物的原则工艺流程。

Process of flotation of acture ore is the following: firstly, adding Na_2CO_3, ZnSO_4, CSU-1 to the pulp while grinding, and thus in this condition of low Eh, marmatite is inhibited; Secondly, adding CSU-1 to the pulp out of grinding machine, then amesonite and iron sulfur mineral can be flotated using diethyldithiocarbamate as collector; High quality lead and antimony concentrate can be got by adding CSU-1 and calcareousness; Lastly, marmatite is flotated by adding calcareousness, CuSO_4, xanthe, and D-250 to get zinc concentrate.

小型试验研究表明，首先在脱硫粗选作业只加入适量的Na_2CO_3、ZnSOO_4、和CSU-1至磨矿机，利用磨矿机的研磨和磨机中的低电位环境，使铁闪锌矿受到抑制，而最容易浮的脆硫锑铅矿和黄铁矿、磁黄铁矿等硫化矿物则依然具有可浮性；在磨机出来的矿浆中分别加入CSU-1进一步抑制易浮的铁闪锌矿，然后加入乙硫氮将脆硫锑铅矿和硫化铁矿快速浮净，加入石灰和CSU-1，浮选分离出高质量的铅锑精矿；接着添加石灰、CuSO_4、黄药及2~#油选别铁闪锌矿。

OPF technology had two main points: one was adjusting and controlling traditional flotation operation factors including pulp pH, type and dosage of collector, flotation time and flow structure etc.; The other was not exerting outside electric field and not adding redox reagents to control electropotential.

这种利用矿浆中固有的电化学行为引起的电位变化，通过调节传统浮选操作因素达到电位调控并改善浮选过程的工艺，我们称之为&原生电位浮选(Originpotential Flotation，OPF)&，以区别于采用外加电极或使用氧化—还原药剂调控电位的电位调控浮选(E1ectropotential Control Flotation，EPCF)技术。

Synergistic Compatibility and Effect and Profit. A new-type and high-efficiency frother had been developed which is now used in the column flotation of MICROCEL flotation column at CaiLi Washery.

根据煤炭浮选的特点，借鉴中医药物配伍理论提出了煤炭浮选起泡剂的复配原则，阐述了煤炭浮选药剂复配的必要性和可行性，最后开发出了适用于MICROCEL大型浮选柱的新型高效低廉的起泡剂JF〓。

In this new technology,on the basis of substituting flotation froth of high intensity scavenger concentrate for high intensity middlings,the desired RE concentrate can be obtained easily,which does not take any special measures of removing surplus reagents and adopts the current technological process taken by workshop of RE ore dressing,and the cost of flotation reagents per ton RE concentrate can also be reduced about 50%.

将生产中所用的稀土浮选原料强磁中矿更换为强磁扫选精矿的反浮泡沫，不需特别的脱药措施，只采用稀选车间现有的工艺流程和浮选药剂组合方案，即可获得所需的稀土精矿，使每吨稀土精矿的成本降低一半左右。

The equipment provided in process are: jig sorting mainly to deal with overflow flotation, jigging in the coal and coal flotation tail mixed into the power plants, waste shipped to the Waste Dump, block coal jigging dehydration, floating Coal election at the end of filtration and hydraulic flow classification Desliming, dehydration through the belt to the Coal Wharf.

本设备所规定的工艺流程是：以跳汰选别为主，浮选处理溢流，跳汰中煤和浮选尾煤混合入电站，矸石运向矸石山，跳汰块精煤脱水、浮选精煤过滤与水力分级底流脱泥、脱水通过皮带运到精煤仓。

The best conditions for deinking agent h were: pulping consistency, 10%; pulping temperature, 60 C; pulping time, 20min; no heating preservation; flotation temperature, 60 C; flotation time, 8min; flotation consistency, 0.8%; deinking agent dosage, 0.1%; deinking agent addition point, 30% in pulper and 70% in flotation cell; Na2SiO3 dosage, 3%; EDTA dosage, 0.2%; NaOH dosage, 1%; H2O2 dosage, 2%; Na2SO4 dosage, 1%.

脱墨剂h的最佳脱墨条件为：碎浆浓度，10％；碎浆温度，60℃；碎浆时间，20min；不保温；浮选温度，60℃；浮选时间，8min；浮选浓度，0.8％；脱墨剂h用量，0.2％；脱墨剂加入点，30％加入碎浆机中，70％加入浮选槽中；硅酸钠用量，2％；EDTA用量，0.2％；氢氧化钠用量，1％；过氧化氢用量，2％；硫酸钠用量，1％。

The best conditions for deinking agent soap were: pulping consistency, 10%; pulping temperature, 50 C; pulping time, 20min; heating preservation time,15min; flotation temperature, 45 C; flotation time, 8min; flotation consistency, 0.8%; soapdosage, 0.6%; soap addition point, 70% in pulper and 30% in flotation cell; Na2SiO3 dosage, 3%; EDTA dosage, 0.2%; NaOH dosage, 1%; H2O2 dosage, 2%.

钠皂的最佳脱墨条件为：碎浆浓度，10％；碎浆温度，50℃；碎浆时间，20min；保温时间，15min；浮选温度，45℃；浮选时间，8min；浮选浓度，0.8％；脱墨剂钠皂用量，0.6％；钠皂加入点，70％加入碎浆机中，30％加入浮选槽中；硅酸钠用量，3％；EDTA用量，0.2％；氢氧化钠用量，1％；过氧化氢用量，2％。

Combined with the special flotation behavior of coarse particle s and the technology of conventional mechanical flotation machine,through abundant lab-based experiments,the article has confirmed the overall structure feature of mechanical flotation machine for coarse particle s,which has been demonstrated by the afterwards quasi-industrial test.

结合粗颗粒矿物特殊的浮选行为及常规浮选设备研究开发的技术路线，通过大量的实验室试验确定了适用于选别粗颗粒矿物的浮选机总体结构型式，并经半工业试验进行了验证。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。