公开(公告)号：US20210054479A1

公开(公告)日：2021-02-25

申请号：US16977378

申请日：2019-02-22

Applicant: JFE STEEL CORPORATION

Inventor： Nobuhiko ODA ,  Yuta HINO ,  Yuki TAKAKI ,  Yoshiaki NISHINA ,  Naoki KIKUCHI

IPC: C22B9/14 ,  C22B47/00 ,  C21C7/00

Abstract: A manufacturing method includes a first pulverization step of compressively pulverizing a manganese oxide-containing material containing at least manganese, calcium, silicon, iron, and phosphorus, which is used as a raw material, to form a composite in which a compound phase of nCaO.P2O5 is combined with at least one phase of a spinel phase and a calcium ferrite phase, which are ferromagnetic materials, and produce a first pulverized manganese oxide-containing material containing the composite; a first magnetic separation step of separating the first pulverized manganese oxide-containing material produced in the pulverization step into a magnetic substance and a non-magnetic substance under a magnetic force; and a step of recovering the non-magnetic substance separated in the first magnetic separation step as a manganese raw material.

公开(公告)号：US20170029967A1

公开(公告)日：2017-02-02

申请号：US15303082

申请日：2015-04-16

Applicant: OUTOTEC (FINLAND) OY

Inventor： Akusti JAATINEN

IPC: C25C1/12 ,  B22D21/00 ,  C22B9/00 ,  C22B9/14 ,  C25C7/02 ,  C22B15/00

CPC classification number: C25C1/12 ,  B22D21/005 ,  C22B9/006 ,  C22B9/14 ,  C22B15/0047 ,  C22B15/005 ,  C22B15/0056 ,  C22B15/0058 ,  C22B15/006 ,  C25C7/02 ,  Y02P10/22

Abstract: Provided is a method for producing cathode copper. The method comprises a smelting step including feeding sulfidic copper bearing material and oxygen-bearing reaction gas into a suspension smelting furnace, to produce blister copper, a fire refining step including feeding blister copper into an anode furnace to produce molten anode copper, an anode casting step to produce cast anodes, a quality checking step for dividing cast anodes into accepted cast anodes and rejected cast anodes, an electrolytic refining step including subjecting accepted cast anodes to electrolytic refining in an electrolytic cell to produce cathode copper and as a by-product, spent cast anodes, and a recycling step for recycling anode copper of rejected cast anodes and anode copper of spent cast anodes.

Abstract translation: 提供一种阴极铜的制造方法。 该方法包括熔融步骤，包括将硫化铜载体材料和含氧反应气体进料到悬浮熔炼炉中，以产生起泡铜，一种防火精炼步骤，包括将阳极炉送入阳极炉中以产生熔融阳极铜，阳极铸造 生产铸造阳极的步骤，用于将铸造阳极分解成接受的铸造阳极和拒绝的铸造阳极的质量检查步骤，电解精制步骤，包括使接受的铸造阳极在电解槽中进行电解精炼以制备阴极铜和副产物， 废弃的阳极和用于回收废弃铸造阳极的阳极铜和废铸造阳极的阳极铜的回收步骤。

公开(公告)号：US4888051A

公开(公告)日：1989-12-19

申请号：US233710

申请日：1988-08-19

Applicant: Alan B. I. Bollong ,  Roelof P. Bult ,  Gary T. Proux

Inventor： Alan B. I. Bollong ,  Roelof P. Bult ,  Gary T. Proux

IPC: C22B9/14 ,  C22B58/00 ,  C30B15/00

CPC classification number: C22B58/00 ,  C22B9/14 ,  C30B15/00 ,  C30B29/42

Abstract: Gallium is zone refined in a stationary, vertical, double annulus refiner. Impure gallium is contained between walls of a first annulus that are made of a material that does not impart impurities to the gallium. At least one of the walls is made of a flexible material. A cooling fluid is circulated through a second annulus enveloping the first annulus. The gallium is zone refined by moving through the gallium ingot one or more molten zones formed by radio frequency waves from at least one reciprocating radio frequency heating induction coil. After the necessary number of passes, the ingot is cropped without introducing contaminants and refined gallium with purities between 79 and 89 is recovered. LEC single crystal GaAs made with the so refined gallium has very uniform electrical characteristics.

Abstract translation: 镓是在固定的，垂直的双环形精炼机中进行区域精制。 不规则的镓包含在由不向镓赋予杂质的材料制成的第一环的壁之间。 至少一个壁由柔性材料制成。 冷却流体通过包围第一环的第二环带循环。 镓通过从至少一个往复式射频加热感应线圈通过镓锭移动通过射频波形成的一个或多个熔融区域进行区域精制。 经过必要的通过次数后，晶锭被切割而不引入污染物，精炼的镓的纯度在79和89之间被回收。 由精炼的镓制成的LEC单晶GaAs具有非常均匀的电气特性。

公开(公告)号：US2885316A

公开(公告)日：1959-05-05

申请号：US74958258

申请日：1958-07-21

Applicant: ALUMINUM CO OF AMERICA

Inventor： MILLIKEN SPENCER R

IPC: C22B9/14

CPC classification number: C22B9/14

公开(公告)号：US10799882B2

公开(公告)日：2020-10-13

申请号：US15628940

申请日：2017-06-21

Applicant: Mid-American Gunite, Inc.

Inventor： Donald E. Keaton ,  Keith P. Masserant ,  Lawrence I. Masserant

IPC: B03C1/30 ,  B22F9/04 ,  C22B9/14 ,  B03B9/04 ,  C22B7/04 ,  C21B3/06 ,  B02C23/14 ,  B02C23/20 ,  B03C1/005 ,  C22B7/00

Abstract: A method and system is used to process slag material to yield by-products including a finished iron rich product and a finished low iron fines product. The by-products may include a finished high iron product and a finished medium iron product. The method and system include size classifying the material into a plurality of sized groups prior to using magnetic separation to separate at least one of the sized groups into two portions having differing magnetic susceptibilities. The method and system may include more than one phase of size classifying the material into a plurality of sized groups and using magnetic separation to separate at least one of the sized groups into portions, where the average size of the material remaining after one phase is reduced prior to the subsequent phase.

公开(公告)号：US20180029096A1

公开(公告)日：2018-02-01

申请号：US15715892

申请日：2017-09-26

Applicant: PRAXAIR S.T. TECHNOLOGY, INC.

Inventor： Wendell R. Stuber ,  Ernesto Aviles ,  Jaydeep Sarkar ,  Paul S. Gilman

IPC: B21C1/00 ,  B24B39/00 ,  C22B9/14 ,  C23C14/56 ,  C22C5/02 ,  C23C14/14 ,  C23G1/10 ,  B21C47/02 ,  C22B3/00 ,  C23C14/24 ,  B08B3/10 ,  B08B3/12 ,  B08B3/08 ,  B24B31/06

CPC classification number: C22C5/02 ,  B08B3/08 ,  B08B3/10 ,  B08B3/12 ,  B21C1/00 ,  B21C1/003 ,  B21C47/02 ,  B24B31/06 ,  B24B39/00 ,  C22B9/14 ,  C22B11/04 ,  C23C14/14 ,  C23C14/24 ,  C23C14/564 ,  C23G1/10

Abstract: A unique sequence of steps is provided to reduce contaminants along one or more surfaces and faces of gold evaporative sources without deleteriously impacting the structure of the gold evaporative sources. Edges are deburred; contaminants are successfully removed therealong; and surface smoothness is substantially retained. The resultant gold evaporative source is suitable for use in evaporative processes as a precursor to gold film deposition without the occurrence or a substantial reduction in the likelihood of spitting by virtue of significantly reduced levels of contaminants, in comparison to gold evaporative sources subject to a standard cleaning protocol.

公开(公告)号：US09802233B2

公开(公告)日：2017-10-31

申请号：US14266975

申请日：2014-05-01

Applicant: Wendell R. Stuber ,  Ernesto Aviles ,  Jaydeep Sarkar ,  Paul S. Gilman

Inventor： Wendell R. Stuber ,  Ernesto Aviles ,  Jaydeep Sarkar ,  Paul S. Gilman

IPC: B21C1/00 ,  C22B3/00 ,  C23C14/24 ,  B21C47/02 ,  B08B3/08 ,  B08B3/12 ,  B08B3/10 ,  B24B39/00 ,  C23C14/14 ,  C23C14/56 ,  C22C5/02 ,  C23G1/10 ,  C22B9/14 ,  B24B31/06

CPC classification number: C22C5/02 ,  B08B3/08 ,  B08B3/10 ,  B08B3/12 ,  B21C1/00 ,  B21C1/003 ,  B21C47/02 ,  B24B31/06 ,  B24B39/00 ,  C22B9/14 ,  C22B11/04 ,  C23C14/14 ,  C23C14/24 ,  C23C14/564 ,  C23G1/10

Abstract: A unique sequence of steps is provided to reduce contaminants along one or more surfaces and faces of gold evaporative sources without deleteriously impacting the structure of the gold evaporative sources. Edges are deburred; contaminants are successfully removed therealong; and surface smoothness is substantially retained. The resultant gold evaporative source is suitable for use in evaporative processes as a precursor to gold film deposition without the occurrence or a substantial reduction in the likelihood of spitting by virtue of significantly reduced levels of contaminants, in comparison to gold evaporative sources subject to a standard cleaning protocol.

公开(公告)号：US6106765A

公开(公告)日：2000-08-22

申请号：US436813

申请日：1999-11-09

Applicant: Young Lee ,  Stephen Houser ,  Gregory Noland ,  Andrew Arnold

Inventor： Young Lee ,  Stephen Houser ,  Gregory Noland ,  Andrew Arnold

IPC: B22F1/00 ,  C22B1/248 ,  C22B5/12 ,  C22B9/04 ,  C22B9/14 ,  C22B34/32 ,  C22C1/04 ,  B22F3/24

CPC classification number: C22C1/045 ,  B22F1/0088 ,  C22B34/32

Abstract: Purification process for chromium metal is conducted on chromium metal powder which has been compacted without additives at a pressure of at least 50,000 psi (35.times.10.sup.7 Pa) into a compacted body having a critical diffusion dimension of less than or equal to 25 mm. The purification process uses a hydrogen gas treatment at a temperature of 1200.degree. C. to 1600.degree. C. for a period of 2 hours to 10 hours using 0.8 m.sup.3 per Kg chromium metal of hydrogen gas or more. The hydrogen treated chromium metal compacted body is then further treated under vacuum at a pressure less than or equal to 100 .mu.m of Hg (15 Pa) at 1200.degree. C. to 1600.degree. C. for 2 hours to 10 hours. The combined hydrogen and vacuum treatment reduces the oxygen, carbon, sulfur and nitrogen impurities in the chromium metal and results in a chromium metal suitable for metallurgical and electronic applications.

Abstract translation: 对铬金属粉末进行纯化处理，该铬金属粉末已经在没有添加剂的情况下在至少50,000psi（35×10 7 Pa）的压力下压实成具有小于或等于25mm的临界扩散尺寸的压实体中。 纯化方法在1200℃〜1600℃的温度下，使用0.8m 3 / Kg铬氢等金属氢气进行2小时〜10小时的氢气处理。 然后将氢处理的铬金属压实体在真空下在1200℃至1600℃下在小于或等于100微米Hg（15Pa）的压力下进一步处理2小时至10小时。 组合的氢气和真空处理减少了铬金属中的氧，碳，硫和氮杂质，并产生适用于冶金和电子应用的铬金属。

公开(公告)号：US4828814A

公开(公告)日：1989-05-09

申请号：US9326

申请日：1986-03-07

Applicant: Angel Sanjurjo ,  Sylvia Pressacco

Inventor： Angel Sanjurjo ,  Sylvia Pressacco

IPC: C01B33/02 ,  B01J19/00 ,  C01B33/037 ,  C22B9/00 ,  C22B9/14

CPC classification number: C01B33/037 ,  C22B9/14 ,  Y10S423/12

Abstract: A process is disclosed for producing a solid material which, in some cases, may have a resultant purity of 99.999% or better which comprises contacting the solid material at a temperature approaching the melting point of the solid material with a purifying agent which is substantially nonreactive with the solid material to cause the impurities in the solid material to enter the material. After cooling, the purified solid material may be separated from the purifying agent and the impurities therein by leaching.

Abstract translation: PCT No.PCT / US86 / 00499 Sec。 371日期：1986年3月7日 102（e）1986年3月7日PCT PCT公布1986年3月7日PCT公布。 公开号WO86 / 05475 日本公开1986年9月25日。公开了一种用于生产固体材料的方法，在某些情况下其可以具有99.999％或更好的纯度，包括使固体材料在接近固体材料的熔点的温度下与 与固体材料基本上不反应以使固体材料中的杂质进入材料的净化剂。 冷却后，纯化的固体物质可以通过浸出从净化剂和其中的杂质中分离出来。

公开(公告)号：US4487637A

公开(公告)日：1984-12-11

申请号：US594592

申请日：1984-03-29

Applicant: Hasan S. Padamsee

Inventor： Hasan S. Padamsee

IPC: C22B9/04 ,  C22B9/14 ,  C22B34/24 ,  C21D1/00

CPC classification number: C22B9/14 ,  C22B34/24 ,  C22B9/04

Abstract: This invention relates to a method of purifying niobium containing an impurity having a significant diffusion rate above about 1000.degree. C. which comprises vapor depositing a film of yttrium (Y) upon the surface of the niobium to be purified in a vacuum greater than about 10.sup.-4 torr and at an elevated temperature above about 1000.degree. C. (preferably between about 1200.degree. C. and 1400.degree. C.) for a time sufficient to cause migration of impurities from the niobium and binding of the impurities by the yttrium metal. The process of the invention, in it presently preferred embodiment can be accomplished by bringing the surface of shaped niobium article into close proximity with the yttrium metal under the appropriate process conditions.

Abstract translation: 本发明涉及一种纯化铌的方法，该方法含有一种具有高于约1000℃的显着扩散速率的杂质，其包括将钇（Y）的膜在大于约10 -4托，并且在高于约1000℃（优选在约1200℃至1400℃）之间的高温下持续足以引起杂质从铌迁移并通过钇金属结合杂质的时间。 在本发明的目前优选实施方案中，本发明的方法可以通过在适当的工艺条件下将成形铌制品的表面与钇金属紧密接近而实现。