• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A process for the froth flotation of calcium phosphate-containing minerals is provided which comprises carrying out the flotation in the presence of an amphoteric flotation agent having the general formula: <IMAGE> wherein: R is a hydrocarbon group having from about seven to about twenty-four carbon atoms; A is an oxyalkylene group having from two to about four carbon atoms; R1 is selected from the group consisting of hydrogen and hydrocarbon groups having from one to about four carbon atoms; Y- is selected from the group consisting of COO- and SO3-; n is a number from 0 to 1; p is a number from 0 to 5; q is a number from 1 to 2; and salts thereof.
    公开号:SU1309904A3
    申请号:SU792737251
    申请日:1979-03-02
    公开日:1987-05-07
    发明作者:Мартин Эдвин Хельстен Карл；Вильям Клинберг Андерс
    申请人:Берол Кеми Аб (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to the enrichment of minerals by flotation.
    The known method of flotation of apatite from ores in an alkaline medium with the introduction of stock flow and sulphate soap 1 3
    This method does not allow to obtain sufficiently high technological parameters.
    The closest in technical essence and the achieved result is the method of froth flotation of apatite-carbonate ore, including the introduction of a collector with an anionic group 2.
    The main collector is: 7 it is a fatty acid. Fatty acids are not very selective, which is why the known method does not allow sufficiently selective and complete extraction of apatite from the ore.
    The purpose of the invention is to increase the selectivity of the process, increase the content and extraction of apatite.
    This goal is achieved by the fact that according to the method of froth flotation of apatite-carbonate ore, including the introduction of a collector with an anionic group, an amphoteric compound of the formula is introduced into the process as a collector with an anionic group
    R.
    - (O) - (A) -Cll, -CH (OH) -CH, -N-CqH, H p P 2 |, V
    CnH2nn- L: 7-0 (C2H OVC% -CHCH-N
    R (Ci8) -0-CH2CH (OH) CH2. - N-CH COO
    Sh
    n (ssch-Sj sngSn1oshShg- | -
    CH-i
    / l
    n
    S1bNzgO-CH2CH (OH) CH2-14
    SNS
    .
    ., 9-0-CH CHCH - -CH CH2.SO,
    he N
    SNC
    I
    Ci H g-O-CH rCH-CH -l-CH CH SO -,
    he N
    0
    five
    0
    where R is an aliphatic or alkylaryl radical, a hydrocarbon radical containing 10-18 gg carbon atoms; R is methyl, hydrogen; A is an oxyalkylene group containing 2-4 carbon atoms;
    so;
    five
    five
    0
    I - COO;
    ,one;
    , 2, or its salt.
    The method is carried out as follows.
    The ore is crushed, treated with a pH regulator. The collector is introduced, mixed and floated.
    Example I (known method). The ore containing 9.9% of fluorapatite, 3.7% of calcite, silicates, is crushed, pulped, defiled. The slurry is then conditioned for 5 minutes with a tall oil emulsion. In a concentrate containing 30.3% of apatite, extract 96.0%,
    And p and me 2 (the proposed method). The ore and its processing conditions are the same. As a collector use
    n
    AND
    ONSNZ,
    / l
    n
    4 2-14 CH
    .
    SNS
    313099044
    IT
    SdN - Q OMflOs-CHx-CHCH -N -
    OH Shz
    The resulting concentrates contain the proposed method allows for 81, 1 - 82.7% with the extraction of 93.5-, increase the selectivity of the foam process - 85.2%. flotation of apatite-carbonate ore.
    权利要求:
    Claims (1)
    [1]
    METHOD FOR FOAM FLOTATION OF APATITE-CARBONATE ORE, comprising introducing a collector with an anionic group, characterized in that, in order to increase the selectivity of the process, an amorphous compound of the Formula is introduced into the process as a collector with anionic group
    R- (O) n - (A) p -CH 2 -CH (OH) CK r NC H 2 1, n
    where R is an aliphatic or apkylaryl hydrocarbon radical containing 10-18 carbon atoms;
    R., - methyl, hydrogen;
    A is an oxyalkylene group containing 2-4 carbon atoms;
    I is COO; SOj;
    n is 0.1;
    P = 0-5;
    9 = 1.2, or its salt.
    »SU <„> 1309904> sn
    1309904 2
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    同族专利:
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    OA06199A|1981-06-30|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US06/263,339|US4358368A|1979-03-02|1981-05-13|Process for the froth flotation of calcium phosphate-containing minerals and flotation agents therefor|
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