CA2699627A1 - Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same - Google Patents

Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same Download PDF

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Publication number
CA2699627A1
CA2699627A1 CA2699627A CA2699627A CA2699627A1 CA 2699627 A1 CA2699627 A1 CA 2699627A1 CA 2699627 A CA2699627 A CA 2699627A CA 2699627 A CA2699627 A CA 2699627A CA 2699627 A1 CA2699627 A1 CA 2699627A1
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zirconium
carbonate
sodium
meq
zrp
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CA2699627C (en
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Raymond J. Wong
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Renal Solutions Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/1694—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid
    • A61M1/1696—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid with dialysate regeneration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/08—Plasma substitutes; Perfusion solutions; Dialytics or haemodialytics; Drugs for electrolytic or acid-base disorders, e.g. hypovolemic shock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0211—Compounds of Ti, Zr, Hf
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
    • B01J20/0277—Carbonates of compounds other than those provided for in B01J20/043
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
    • B01J20/0292—Phosphates of compounds other than those provided for in B01J20/048
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28052—Several layers of identical or different sorbents stacked in a housing, e.g. in a column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3234—Inorganic material layers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/62—In a cartridge
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content

Abstract

A method of making sodium zirconium carbonate is described which involves forming a mixture of zirconium oxychloride with soda ash and then heating at a sufficient temperature and for a sufficient time to form the sodium zirconium carbonate. Subsequent washing and filtration steps can further form parts of the process. A novel sodium zirconium carbonate is further described which contains from about 2 wt% to about 5wt% Na+; from about 44 wt% to about 50 wt% ZrO2; from about 12 wt% to about 18 wt% CO3 2; and from about 30 wt% to about described which involve titrating an aqueous slurry of sodium zirconium carbonate to a pH of from about 3.5 to about 4.0 with an acidic agent wherein the sodium zirconium carbonate has a moisture content of form about 15% to about 25% LOD is solid form. The process further involves washing the aqueous slurry containing the formed zirconium basic carbonate with water. A novel zirconium basic carbonate is further disclosed which has a minimum adsorption capacity of from about 30 to about 35 mg/PO4-P/gm SZC; a minimum HCO3- content of from about 2 to about 4 mEq HCO3-gm/SZC; a leachable Na+ content of from about 1.5 to about 2.0 mEq Na+/gm SZC; and/or a pH range of titrated sodium zirconium carbonate of from about 6 to about 7. A method of making zirconium phosphate is also disclosed which involves treating sodium zirconium carbonate with caustic soda to from an alkaline hydrous zirconium oxide which is subsequently heated and mixed with phosphoric acid to obtain an acid zirconium phosphate which can be titrated with caustic soda to achieve the desired zirconium phosphate. Novel zirconium phosphates are also disclosed as well as uses for the above zirconium containing materials.

Claims (8)

1. A zirconium basic carbonate having:
Na+ of less than 1000ppm;

a ZrO2 wt% of from 35 wt% to 40 wt%;

and a CO3 2 - wt% of from 8 wt% to 10 wt%, based on the weight of the zirconium basic carbonate.
2. The zirconium basic carbonate of claim 1, wherein said zirconium basic carbonate contains less than 0.01 wt% SO4 2- and less than 0.01 wt% Cl-.
3. A dialysis cartridge comprising the zirconium basic carbonate of claims 1 or 2 and a zirconium phosphate having:

an H+ wt% of from 1.4 to 2.0 wt%;
an Na+ wt % of from 4 to 6%;

a ZrO2 wt% of from 34 wt% to 37wt%;

a PO4 3- wt% of from 41 wt% to 43 wt%; and an H2O wt% of from 14 wt% to 18 wt%, based on the weight of the zirconium phosphate.
4. The dialysis cartridge of claim 3 wherein said zirconium phosphate has at least one of the following characteristics:

(a) an adsorption capacity for ammonia of from 20 mg NH4 N/g ZrP to 45 mg NH4-N/g ZrP:

- an adsorption capacity of from 2 mEq Ca2+/g ZrP to 7 mEq CA2+/g ZrP

- an adsorption capacity of Mg2+ of from 3 mEq Mg2+ /g ZrP to 5 mEq Mg2+ /g ZrP; and - an adsorption capacity for toxic heavy metals of from 3 mEq HM/g ZrP to 9 mEq HM/g ZrP;

(b) an Na+ content of from 2 mEq Na+ /g ZrP to 3 mEq Na+ /g ZrP at a pH of from 5.5 to 6;

(c) a minimum leachable PO4 3- of less than 0.05 mg PO4 3- /g ZrP; or (d) satisfying ANSI/AAMI RD-5-1992 standard on extractable toxic impurities.
5. The dialysis cartridge of claims 3 or 4 wherein said zirconium phosphate has no residual sulfate or chloride.
6. The dialysis cartridge of any one of claims 3 to 5 wherein said zirconium phosphate has less than 0.01 % sulphate, chloride or both.
7. The dialysis cartridge of any one of claims 3 to 6 wherein said zirconium phosphate in H2O has a pH of from 6 to 7.
8. The dialysis cartridge of any one of claims 3 to 7 wherein said zirconium phosphate has an average grain size of from 30 to 40 µm (microns).
CA2699627A 2000-11-28 2001-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same Expired - Lifetime CA2699627C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/723,396 2000-11-28
US09/723,396 US6627164B1 (en) 2000-11-28 2000-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same
CA2427992A CA2427992C (en) 2000-11-28 2001-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2427992A Division CA2427992C (en) 2000-11-28 2001-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same

Publications (2)

Publication Number Publication Date
CA2699627A1 true CA2699627A1 (en) 2002-06-06
CA2699627C CA2699627C (en) 2012-03-06

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CA2699627A Expired - Lifetime CA2699627C (en) 2000-11-28 2001-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same
CA2699334A Expired - Lifetime CA2699334C (en) 2000-11-28 2001-11-28 Dialysis cartridges comprising sodium zirconium carbonate and zirconium basic carbonate and methods of making the same
CA2427992A Expired - Lifetime CA2427992C (en) 2000-11-28 2001-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same
CA002427985A Expired - Lifetime CA2427985C (en) 2000-11-28 2001-11-28 Cartridges useful in cleaning dialysis solutions

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CA2699334A Expired - Lifetime CA2699334C (en) 2000-11-28 2001-11-28 Dialysis cartridges comprising sodium zirconium carbonate and zirconium basic carbonate and methods of making the same
CA2427992A Expired - Lifetime CA2427992C (en) 2000-11-28 2001-11-28 Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same
CA002427985A Expired - Lifetime CA2427985C (en) 2000-11-28 2001-11-28 Cartridges useful in cleaning dialysis solutions

Country Status (10)

Country Link
US (3) US6627164B1 (en)
EP (2) EP1345687B1 (en)
JP (4) JP4159355B2 (en)
CN (5) CN100569658C (en)
AU (3) AU1793002A (en)
CA (4) CA2699627C (en)
HK (2) HK1058782A1 (en)
MX (2) MXPA03004689A (en)
TW (1) TWI232132B (en)
WO (2) WO2002044086A2 (en)

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