Aqueous composition useful in ore floatation containing aliphatic amine,
extender oil, and emulsifier
    11.
    发明授权
    Aqueous composition useful in ore floatation containing aliphatic amine, extender oil, and emulsifier 失效
    用于含有脂肪族胺,增量油和乳化剂的矿石浮选中的水性组合物

    公开(公告)号:US5507394A

    公开(公告)日:1996-04-16

    申请号:US249514

    申请日:1994-05-26

    Abstract: A composition, adapted to be used in the flotation of ore fractions in aqueous suspension, consists essentially of: (a) water; (b) a hydrocarbon extender oil, preferably one having a low aromatics content; (c) a long chain aliphatic amine, such as a tallow-based amine, preferably one with an iodine value is less than about 20 cg/g; and (d) an acid emulsifier. This composition is prepared by the following successive steps: (a) dissolution of the amine in the oil at an elevated temperature, (b) addition of the acid to the aqueous phase, (c) addition of the oil containing the amine to the aqueous phase, and (d) emulsification of the mixture using an appropriate shearing.

    Abstract translation: 适用于在水悬浮液中浮选矿石级分的组合物基本上由以下组成:(a)水; (b)烃增量油,优选具有低芳烃含量的油; (c)长链脂族胺,例如牛脂基胺,优选碘值的胺小于约20cg / g; 和(d)酸乳化剂。 该组合物通过以下连续步骤制备:(a)在升高的温度下将胺溶解在油中,(b)向水相中加入酸,(c)将含有胺的油加入到水 相和(d)使用适当的剪切使混合物乳化。

    Activator-frother composition
    12.
    发明授权
    Activator-frother composition 失效
    活化剂 - 起泡剂组合物

    公开(公告)号:US5389274A

    公开(公告)日:1995-02-14

    申请号:US140578

    申请日:1993-10-21

    Abstract: An activator-frother composition of good selectivity which can be used as additional reagent for the flotation of minerals of finely ground sulfide type and as sole reagent in the treatment of flotation tailings, which consists of about 1% to 10% by weight of pine oil, about 10% to 30% by weight of sodium sulfide, about 20% to 40% by weight of sodium bicarbonate. The composition has the advantage of requiring little time of homogenization and conditioning in order to be sufficiently soluble, to be stable within a wide pH range, and not to be contaminating.

    Abstract translation: 具有良好选择性的活化剂 - 起泡组合物,其可用作浮选精细研磨的硫化物矿物矿物和用作处理浮选尾矿的唯一试剂的附加试剂,其由约1%至10%重量的松油 ,约10重量%至30重量%的硫化钠,约20重量%至40重量%的碳酸氢钠。 该组合物的优点是需要很少的均质和调理时间以使其具有足够的可溶性,在宽的pH范围内是稳定的,并且不被污染。

    Process for dressing kaolinite by flotation
    13.
    发明授权
    Process for dressing kaolinite by flotation 失效
    通过浮选法选择高岭石的方法

    公开(公告)号:US4744892A

    公开(公告)日:1988-05-17

    申请号:US96706

    申请日:1987-09-14

    Abstract: Process for the selective separation of kaolinite and feldspar by flotation in aqueous pulp, wherein flotation is carried out at the pH-value of the pulp which is naturally obtained during suspension of the mixture of minerals in water using water-soluble salts with trivalent metal ions as activators and depressors, in the presence of cationic and/or anionic surfactants as collectors, and optionally in the presence of other standard flotation aids.

    Abstract translation: 用于通过在含水纸浆中浮选来选择性分离高岭石和长石的方法,其中浮选是在矿物质在水中的混合物中在天然获得的浆液的pH值下进行的,其中使用具有三价金属离子的水溶性盐 作为活化剂和抑制剂,在作为收集剂的阳离子和/或阴离子表面活性剂的存在下,以及任选地在其它标准浮选助剂的存在下。

    Process for increasing the selectivity of mineral flotation
    14.
    发明授权
    Process for increasing the selectivity of mineral flotation 失效
    提高矿物浮选选择性的方法

    公开(公告)号:US4735783A

    公开(公告)日:1988-04-05

    申请号:US41272

    申请日:1987-04-22

    Inventor: Srdjan Bulatovic

    Abstract: An aqueous solution containing a water soluble polyvalent metal sulphate, an alkali metal silicate and an alkali metal metabisulphite is described which is added to a slurry of a copper mineral bearing ore to be subjected to a froth flotation step for obtaining a copper concentrate. The aqueous solution is added to enhance the selectivity of conventional flotation collectors and depressants when the valuable minerals are finally disseminated in the host ore, which is then required to be ground to very small particle sizes to achieve the desired liberation. Other valuable minerals such as those bearing zinc and lead, may be recovered from the tailing.

    Abstract translation: 描述了含有水溶性多价金属硫酸盐,碱金属硅酸盐和碱金属偏亚硫酸氢盐的水溶液,将其加入到含有矿物矿物的矿石中以进行泡沫浮选步骤以获得铜精矿。 添加水溶液以提高常规浮选收集剂和抑制剂的选择性,当有用矿物质最终在主体矿石中分散时,其然后需要研磨至非常小的粒度以实现所需的释放。 其他有价值的矿物,如含锌和铅的矿物,可以从尾矿中回收。

    Preparation of dialkyldithiophosphinates
    18.
    发明授权
    Preparation of dialkyldithiophosphinates 失效
    二烷基二硫代磷酸盐的制备

    公开(公告)号:US4308214A

    公开(公告)日:1981-12-29

    申请号:US232102

    申请日:1981-02-06

    CPC classification number: C07F9/30 B03D1/014 B03D2201/007 B03D2203/02

    Abstract: Dialkylphosphine is added to a mixture of sulfur and water at 50.degree.-90.degree. C. After approximately 25% of the dialkylphosphine is charged, an alkali, such a sodium hydroxide, is added to neutralize the dialkyldithiophosphinic acid that forms. At this elevated temperature the neutralization reaction proceeds rapidly thereby preventing any alkali from reacting with the sulfur to form sulfides. Dialkyldithiophosphinate yields from this process are on the order of about 95-98%.

    Abstract translation: 二烷基膦在50〜90℃下加入到硫和水的混合物中。加入约25%的二烷基膦后,加入碱(如氢氧化钠)中和形成的二烷基二硫代次膦酸。 在该高温下,中和反应迅速进行,从而防止任何碱与硫反应形成硫化物。 该方法的二烷基二硫代次膦酸盐产率约为95-98%。

    Flotation process for improving recovery of phosphates from ores
    20.
    发明授权
    Flotation process for improving recovery of phosphates from ores 失效
    用于提高矿石中磷酸盐回收率的浮选工艺

    公开(公告)号:US4227996A

    公开(公告)日:1980-10-14

    申请号:US22656

    申请日:1979-03-22

    Abstract: A flotation process is provided for beneficiating phosphate ores in at least two floats after conditioning with 0.1-1.5 pound per ton of fuel oil and adding 0.025-0.1 pound per ton of a frother and 0.2-0.5 pound per ton of a polyamine cationic collector to remove silica in the froth (tails) and obtain 75-84% recoveries of phosphate in the concentrate (sink) which contains no more than about 6% insol. For some ores, the floats can be made on each fraction, after desliming thereof, which are obtained by screening over a 35 mesh screen. For other ores, desliming and a rougher flotation are initially needed. The silica froths (rougher tails) from this float are then cleaned and recleaned in separate floats, without additional conditioning or addition of collector to produce tails which are discarded and a combined sink which is screened over a 48 mesh screen to produce a +48 mesh fraction which is discarded and a -48 mesh fraction which is concentrate (product). Depending upon the ore, the sink from the first float is directly usable as product or is screened over a 35 mesh screen to produce a -35 mesh concentrate (product) and a +35 mesh fraction which is conditioned with fuel oil, treated with a frother and collector, and floated to produce a tails, which is discarded, and a third concentrate as product.

    Abstract translation: 提供了一种浮选方法,用于在每吨燃料油0.1-1.5磅的调理之后在至少两个浮子中选择磷酸盐矿石,并将每吨起泡剂加入0.025-0.1磅和每吨多胺阳离子收集器0.2-0.5磅 去除泡沫中的二氧化硅(尾部),并获得含有不超过约6%无纺布的浓缩物(水槽)中75-84%的磷酸盐回收率。 对于一些矿石,可以通过在35目筛网上筛选获得的浮渣之后,在每个级分上制成浮选物。 对于其他矿石,最初需要脱灰和较粗糙的浮选。 然后将来自该浮子的二氧化硅泡沫(较粗糙的尾巴)清洗并在单独的浮子中重新清洗,而不需要额外的调理或添加收集器以产生被丢弃的尾部,并将组合的水槽在48目筛上筛选以产生+48目 废弃的馏分和浓缩物(产物)的-48目分数。 根据矿石,来自第一浮子的水槽可以直接用作产品,或者通过35目筛网筛选以产生-35目的浓缩物(产品)和+35目的馏分,其用燃料油调节,用 起泡器和收集器,并漂浮以产生尾部,其被丢弃,第三浓缩物作为产品。

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