RU98110883A

RU98110883A - SYNTHETIC MINERAL PARTICLES, SYSTEMS USING AUXILIARY HOLDING SUBSTANCES, WATER TREATMENT SYSTEMS AND METHODS USING SUCH PARTICLES

Info

Publication number: RU98110883A
Application number: RU98110883/12A
Authority: RU
Inventors: К.Драммонд Дональд
Original assignee: Минералз Текнолоджиз Инк.
Priority date: 1995-11-08
Filing date: 1996-11-07
Publication date: 2000-04-10

Claims

1. A composition containing a product precipitated by mixing a soluble metal salt and one or more compounds containing a component selected from silicates, phosphates and borates.

2. The composition of claim 1, wherein the metal of the soluble metal salt is selected from: a. beryllium, magnesium, calcium, strontium and barium, b. first row transition metals; in. second row transition metals; d. lanthanides; e. the third row of transition metals; e. actinides, and g. aluminum, zinc, gallium, cadmium, germanium, indium, mercury, tin, thallium, antimony, lead, bismuth. and polonium.

3. The composition according to p. 2, where the product is represented by an empirical formula selected from the group consisting of:
M (I) _w Al _x Si _y P _z O _{(0.5w +} _{1.5x + 2y +} _2.5z) ;
M (I) _w M (II) _x Si _z O _(0.5w _{+ x + 2z)} ;
M (I) _w M (II) _x Si _y P _z O _{(0.5w +} _{x + 2y +} _2.5z) ;
M (I) _w M (III) _x Si _z O _(0.5w _{+ 0.5ax} _{+ 2z)} ;
M (I) _w M (III) _x Si _y P _z O _{(0.5w +} _{0.5ax +} _{2y +} _2.5z) ;
M (I) _w M (IV) _x Si _z O _(0.5 _{w + 1.5} _{x + 2z)} ;
M (I) _w M (IV) _x Si _y P _z O _(0.5w _{+ 1.5x + 2} _{y + 2.5z)} ;
M (I) _w Al _x Si _y B _z O _(0.5w _{+ 1.5x + 2y} _{+ 2.5z)} ;
M (I) _w M (II) _x Al _y Si _z O _{(0.5 w +} _{x + 1.5} _{y + 2z)} ;
M (I) _w M (II) _x Si _y B _z O _(0.5w _{+ x + 2y} _{+ 1.5z)} ;
M (I) _w M (III) _x Al _y Si _z O _{(0.5 w + 0,} _{5ax + 1.5} _{y + 2z)} ;
M (I) _w M (III) _x Si _y B _z O _{(0.5w + 0,} _{5ax +} _{2y + 1.5z)} ;
M (I) _w M (IV) _x Al _y Si _z O _{(0.5 w + 1,} _{5x + 1.5} _{y + 2z)} ;
M (I) _w M (IV) _x Si _y B _z O _{(0.5w + 1,} _{5x +} _{2y + 1.5z)} ;
where M (I) is hydrogen, lithium, sodium or potassium; Al is aluminum; Si is silicon; P is phosphorus; O represents oxygen; B is boron; M (II) is magnesium, calcium, strontium or barium; M (III) is a transition metal of the first, second or third row of transition elements or an actinoid; M (IV) is a metal of a number of lanthanides; a represents the valency of the metal M (III); w is the value needed to balance the selected charge, which is created by the values of x, y and z; and x, y and z are each independently values from about 0.1 to 10.0.

4. The composition according to claim 3, where the metal salt is selected from MgCl ₂ , FeCl ₃ , CuCl ₂ , ZnCl ₂ , ZnSO ₄ , Fe ₂ (SO ₄ ) ₃ , ZrOCl ₂ , YCl ₃ , LaCl ₃ and (NH ₄ ) ₂ Ce (S0 ₄ ) ₃ .

5. The composition according to p. 3, where the soluble metal salt is selected from salts of magnesium, iron, copper, zinc, zirconium, yttrium, lanthanum and cerium.

6. The composition according to p. 5, where the silicate is an aluminosilicate, aluminophosphate silicate or aluminoborate silicate.

7. The composition according to p. 1, where the silicate is prepared as a result of a meta-silicate reaction.

8. A method for controlling discharge and / or retention during the formation of a paper matrix, consisting of steps (1) mixing a first amount of a soluble metal salt and a second amount of one or more components selected from silicates, phosphates and borates, to obtain a reaction product, (2 ) mixing the reaction product, the polymer and the paper composition to obtain a modified paper composition; (3) holding and / or draining a portion of the modified paper composition on a grid of a paper machine to produce a paper matrix; (4) measuring the amount of retention and / or discharge of the modified paper composition when a paper matrix is formed; and (5) based on the amount of retention and / or discharge, adjusting the first amount of the soluble metal salt and / or the second amount of one or more components selected from silicates, phosphates and borates, to obtain the necessary changes in the amount of retention and / or discharge.

9. The method according to p. 8, where the reaction product in stage (1) is ground or dispersed before it is mixed with a paper composition.

10. The method of claim 8, wherein the polymer and paper composition are mixed before the reaction product is added thereto.

11. A method of treating water, comprising the steps of (1) mixing a first amount of a soluble metal salt and a second amount of one or more components selected from silicates, phosphates and borates, to obtain a reaction product, and (2) mixing the reaction product and water containing polymer, to obtain water containing floccula.

12. The method according to p. 11, where the product is an empirical formula selected from the group consisting of:
M (I) _w Al _x Si _y P _z O _{(0.5w + 1,} _{5x + 2y} _{+ 2.5z)} ;
M (I) _w M (II) _x Si _z O _{(0.5w +} _{x + 2z)} ;
M (I) _w M (II) _x Si _y P _z O _{(0.5w +} _{x + 2y} _{+ 2.5z)} ;
M (I) _w M (III) _x Si _z O _{(0.5w +} _0.5ax _{+ 2z)} ;
M (I) _w M (III) _x Si _y P _z O _{(0.5w + 0.5} _{ax + 2y} _{+ 2.5z)} ;
M (I) _w M (IV) _x Si _z O _(0.5w _{+ 1.5x} _{+ 2z)} ;
M (I) _w M (IV) _x Si _y P _z O _{(0.5w +} _{1.5x + 2y +} _2.5z) ;
M (I) _w Al _x Si _y B _z O _{(0.5w +} _{1.5x + 2y +} _2.5z) ;
M (I) _w M (II) _x Al _y Si _z O _(0.5w _{+ x +} _{1.5y + 2z)} ;
M (I) _w M (II) _x Si _y B _z O _{(0.5w +} _{x + 2y +} _1.5z) ;
M (I) _w M (III) _x Al _y Si _z O _{(0.5w +} _{0.5ax +} _{1.5y + 2z)} ;
M (I) _w M (III) _x Si _y B _z O _{(0.5w +} _{0.5ax + 2y} _{+ 1.5z)} ;
M (I) _w M (IV) _x Al _y Si _z O _{(0.5w +} _{1.5x +} _{1.5y + 2z)} ;
M (I) _w M (IV) _x Si _y B _z O _{(0.5w + 1.5} _{x + 2y +} _1.5z) ;
where M (1) is hydrogen, lithium, sodium or potassium, A1 is aluminum; Si is silicon; P is phosphorus; O represents oxygen; B is boron; M (II) is magnesium, calcium, strontium or barium; M (III) is a transition metal of the first, second or third row of transition metals or an actinoid; M (IV) is the metal of the series of lanthanides, and represents the valency of the metal M (III), w is the value necessary to balance the selected charge, which is created by the values of x, y and z, and. x, y and z are each independently values of approximately 0.1 to 10.0.

13. The method according to claim 11, further comprising the steps of (3) conducting sedimentation of the flocs in water to obtain clarified water, and / or (4) filtering the water containing the flocs to effectively remove the flocs.