US1447544A - Theodobe j - Google Patents
Theodobe j Download PDFInfo
- Publication number
- US1447544A US1447544A US1447544DA US1447544A US 1447544 A US1447544 A US 1447544A US 1447544D A US1447544D A US 1447544DA US 1447544 A US1447544 A US 1447544A
- Authority
- US
- United States
- Prior art keywords
- sodium
- phosphate
- sodium chloride
- sulphate
- steps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 22
- 239000001488 sodium phosphate Substances 0.000 description 16
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 16
- 235000002639 sodium chloride Nutrition 0.000 description 14
- 239000011780 sodium chloride Substances 0.000 description 14
- 235000011008 sodium phosphates Nutrition 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- 229910000162 sodium phosphate Inorganic materials 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M Sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 8
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 8
- 239000002367 phosphate rock Substances 0.000 description 8
- 238000005755 formation reaction Methods 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L Calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K [O-]P([O-])([O-])=O Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 235000012970 cakes Nutrition 0.000 description 2
- 239000001175 calcium sulphate Substances 0.000 description 2
- 235000011132 calcium sulphate Nutrition 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 2
- 235000019801 trisodium phosphate Nutrition 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
Definitions
- the present invention relates to the manufacture of sodium phosphates by means of the decomposition of insoluble phosphates in the form of phosphate rock by sodium chloride and sodium acid sulphate. (nitre cake), or equivalent substance.
- the principal object of the invention is the provision of such a process which shall be simple and relatively inexpensive, and can be carried out with wellknown and easily procured reagents.
- Phosphate rock may first he decomposed by means of a solution containing sodium chloride and sodium bi-sulphate (nitre cake). which has been slightly warmed to facilitate the reaction.
- the sodium chloride acting as a catalyzer. (by the formation of hydrochloric acid in a nascent condition and the re-formation of sodium chloride).
- the reaction which takes place at this point may be represented as follows After the removal of the calcium sulphate and other insoluble matter by filtration. or any other suitable method. the liquor is evaporated to dryness. during which operation some sodium phosphate is formed according to the equation below.
- trisodium phosphate is formed according to the following equation, however,
Description
Patented Mar. 6, 1923.
UNITED STATES WALTER GLAESER, OF BROOKLYN, NEW YORK.
MANUFACTURE OF SODIUM PHOSPHATE.
Io Drawing.
To all whom it may concern.-
Be it known that I WALTER Gmasaa, a citizen of the United tates, and a resident of Brooklyn, county of Kings, and State of New York, have invented a new and useful Improvement in the Manufacture of Sodium Phosphate, of which the following is a specification. the principle of the invention being herein explained and the best mode in which I have contemplated appl ing that principle, so as to distinguish it rom other inventions.
The present invention relates to the manufacture of sodium phosphates by means of the decomposition of insoluble phosphates in the form of phosphate rock by sodium chloride and sodium acid sulphate. (nitre cake), or equivalent substance. The principal object of the invention is the provision of such a process which shall be simple and relatively inexpensive, and can be carried out with wellknown and easily procured reagents.
My invention, then. consists of the steps hereinafter fully described and particularly pointed out in the claims. the following descriptions setting forth in detail certain steps embodying the invention. such disclosed steps constituting. however, but one of the various ways in which the principle of the invention may he used.
Phosphate rock may first he decomposed by means of a solution containing sodium chloride and sodium bi-sulphate (nitre cake). which has been slightly warmed to facilitate the reaction. the sodium chloride acting as a catalyzer. (by the formation of hydrochloric acid in a nascent condition and the re-formation of sodium chloride). The reaction which takes place at this point may be represented as follows After the removal of the calcium sulphate and other insoluble matter by filtration. or any other suitable method. the liquor is evaporated to dryness. during which operation some sodium phosphate is formed according to the equation below.
2H PO,+4NaCl:2Na HPO,+4HCl To secure further formation of a sodium phosphate the dried mass is heated to about 500 C. The reaction which takes place Application filed March 1, 1920. Serial No. 882,847.
during this heating step can be expressed by the equation:
If six molecules of sodium chloride are used instead of four, as in the above equation, trisodium phosphate is formed according to the following equation, however,
2H PO,+6NaCl=2Na PO,+6HCl The hydrochloric acid which is regained in each case may be utilized for the repetition of this cycle of reactions as indicated by the following equations If six molecules of hydrochloric acid are used the above reactions may be represented by the following equations 1 ca P.o,+oHci=3(aci en riir If sodium sulphate is used instead of nitre cake the above equations will be slightly varied. and the reactions may be represented.
I therefore particularly point out and distinctly claim as my invention 1. In a method of making a soluble phosphate, the steps which consist in dissolving 5 phosphate rock in a solution containing nitre cake and common salt under heat, thereby forming sodium phosphate.
2. In a method of making a soluble phosphate, the steps which consist in (lissolvin phosphate rock in a solution containing [11- 10 tre cake and comomn salt at about 500 C. thereby forming sodium phosphate.
Signed by me, this 17th day of January, 1920.
WALTER GLAESER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1447544A true US1447544A (en) | 1923-03-06 |
Family
ID=3403713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US1447544D Expired - Lifetime US1447544A (en) | Theodobe j |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1447544A (en) |
-
0
- US US1447544D patent/US1447544A/en not_active Expired - Lifetime
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