DE1117553B - Process for the production of metal silicates - Google Patents

Process for the production of metal silicates

Info

Publication number
DE1117553B
DE1117553B DEL36047A DEL0036047A DE1117553B DE 1117553 B DE1117553 B DE 1117553B DE L36047 A DEL36047 A DE L36047A DE L0036047 A DEL0036047 A DE L0036047A DE 1117553 B DE1117553 B DE 1117553B
Authority
DE
Germany
Prior art keywords
water
sodium sulfate
dry
metal silicates
composition
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.)
Pending
Application number
DEL36047A
Other languages
German (de)
Inventor
Dipl-Chem Dr F Kuhbier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PAUL LOHMANN CHEM FAB DR
Original Assignee
PAUL LOHMANN CHEM FAB DR
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PAUL LOHMANN CHEM FAB DR filed Critical PAUL LOHMANN CHEM FAB DR
Priority to DEL36047A priority Critical patent/DE1117553B/en
Publication of DE1117553B publication Critical patent/DE1117553B/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/40—Clays
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/42—Micas ; Interstratified clay-mica products
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/46—Amorphous silicates, e.g. so-called "amorphous zeolites"

Description

Verfahren zur Herstellung von Metallsilicaten Es ist bekannt, daß man Metallsilicate durch Umsetzung von in Wasser gelösten Metallsalzen mit Alkalisilicaten herstellen kann.Process for the preparation of metal silicates It is known that metal silicates are made by reacting metal salts dissolved in water with alkali metal silicates can produce.

Die Isolierung der reinen Metallsilicate stößt auf Schwierigkeiten, da die Metallsilicate, aus wäßrigen Lösungen gefällt, Niederschläge bilden, die fremde Ionen absorbieren und sich nicht durch Auswaschen in reiner Form darstellen lassen.The isolation of the pure metal silicates encounters difficulties, since the metal silicates, precipitated from aqueous solutions, form precipitates which absorb foreign ions and do not present themselves in pure form by washing out permit.

Gegenstand der Erfindung ist ein Verfahren, das zur Herstellung von reinen Metallsilicaten die wasserlöslichen Metallsulfate der 1-, 2- und 3wertigen Metalle verwendet und sie mit Natriumsilicaten (Wasserglase verschiedener Zusammensetzung) umsetzt. Die Konzentrationsverhältnisse werden so gewählt, daß das durch die Umsetzung gebildete Natriumsulfat infolge der Bildung seiner wasserreichsten Verbindung (Na2 S 04 -I- 10 Hz O), das in der Reaktion eingebrachte Wasser bindet und so trockene oder fast trockene Metallsilicate im Gemisch mit Natriumsulfat anfallen, die sich mühelos reinigen lassen.The invention is a method for the production of pure metal silicates the water-soluble metal sulfates of the 1-, 2- and 3-valent Metals used and they with sodium silicates (water glasses of different composition) implements. The concentration ratios are chosen so that the implementation Sodium sulfate formed as a result of the formation of its most water-rich compound (Na2 S 04 -I- 10 Hz O), the water introduced in the reaction binds and thus dry or almost dry metal silicates in a mixture with sodium sulfate, which are Can be cleaned effortlessly.

Die so erhaltenen Umsetzungsprodukte werden zweckmäßigerweise noch nachgetrocknet. - Man erhält so staubtrockene Zwischenprodukte, die anschließend durch Auslaugen mit Wasser von dem gebildeten Natriumsulfat befreit und getrocknet werden. - An Stelle des handelsüblichen Natronwasserglases der Zusammensetzung Na, 0 - 3-4 Si 0, kann jedes Natronwasserglas beliebiger Zusammensetzung (Na20-reichere und Na20-ärmere Wasserglassorten) eingesetzt werden.The reaction products thus obtained are expediently further dried. - So dust-dry intermediate products are obtained, which are then freed from the sodium sulfate formed by leaching with water and dried. - Instead of the commercially available soda waterglass with the composition Na, 0-3-4 Si 0, any soda waterglass of any composition (Na20-rich and Na20-poorer types of waterglass) can be used.

Beispiel 1 Kupfersilicat 200g Wasserglas der annähernden Zusammensetzung Na, 0 3-4 Si 02 werden mit der stöchiometrisch notwendigen Menge von 70,9 g Kupfersulfat (CuSo4 -I- 5H20) umgesetzt. - Das erhaltene trockene Reaktionsprodukt wird durch Auswaschen vom gebildeten Natriumsulfat befreit und getrocknet. - Man erhält ein leuchtend blaues Kupfersilicat der Zusammensetzung: Cu0 - 3-4 Si02 -I- aq. Ausbeute: 105 g. Beispiel 2 Cobaltsilicat 200 g Wasserglas der annähernden Zusammensetzung Na, 0 3-4 Si 0, werden mit der stöchiometrisch notwendigen Menge von 79,82 g Cobaltsulfat (CO S 04 - 7H20) umgesetzt. - Das erhaltene trockene Reaktionsprodukt wird durch Auswaschen vom gebildeten Natriumsulfat befreit und getrocknet. -Man erhält ein zartrosa Cobaltsilicat der Zusammensetzung: Co 0 - 3-4 Si 02 -f- aq. Ausbeute: 98,5 g. Beispiel 3 Nickelsilicat 200 g Wasserglas der annähernden Zusammensetzung Na20 3-4Si02 werden mit der stöchiometrisch notwendigen Menge von 79,76 g Nickelsulfat (Ni S04 - 7H20) umgesetzt. Das erhaltene trockene Reaktionsprodukt wird durch Auswaschen vom gebildeten Natriumsulfat befreit und getrocknet. -Man erhält ein leuchtend grünes Nickelsilicat der Zusammensetzung: Ni0 # 3-4Si02 -I- aq. Ausbeute: 99,5 g.Example 1 Copper Silicate 200 g of water glass with the approximate composition Na.0 3-4 Si 02 are reacted with the stoichiometrically necessary amount of 70.9 g of copper sulfate (CuSo4-I-5H20). - The dry reaction product obtained is freed from the sodium sulfate formed by washing and dried. A bright blue copper silicate is obtained with the composition: Cu0-3-4 Si02-I- aq. Yield: 105 g. Example 2 Cobalt silicate 200 g of water glass with the approximate composition Na, 0 3-4 Si 0, are reacted with the stoichiometrically necessary amount of 79.82 g of cobalt sulfate (CO S 04-7H20). - The dry reaction product obtained is freed from the sodium sulfate formed by washing and dried. A pale pink cobalt silicate is obtained with the composition: Co 0-3-4 Si 02 -f- aq. Yield: 98.5 g. Example 3 Nickel Silicate 200 g of water glass with the approximate composition Na 2 O 3-4 SiO 2 are reacted with the stoichiometrically necessary amount of 79.76 g of nickel sulfate (Ni SO 4 - 7H 2 O). The dry reaction product obtained is freed from the sodium sulfate formed by washing and dried. A bright green nickel silicate with the composition: Ni0 # 3-4Si02 -I- aq. Yield: 99.5 g is obtained.

Beispiel 4 Aluminiumsilicat 200 g Wasserglas der annähernden Zusammensetzung Na20 3-4Si02 werden mit der stöchiometrisch notwendigen Menge von 54,5 g Aluminiumsulfat (A12(So4)3 - 13 H20) umgesetzt. Das erhaltene trockene Reaktionsprodukt wird durch Auswaschen vom gebildeten Natriumsulfat befreit und getrocknet. -Man erhält ein weißes Aluminiumsilicat der Zusammensetzung: 1/3 A1203 - 3-4Si02 + aq. Ausbeute: 96 g.Example 4 Aluminum silicate 200 g of water glass of approximate composition Na20 3-4Si02 are used with the stoichiometrically necessary amount of 54.5 g of aluminum sulfate (A12 (So4) 3 - 13 H20) implemented. The dry reaction product obtained is through Washing freed from the sodium sulfate formed and dried. -You get one white aluminum silicate of the composition: 1/3 A1203 - 3-4Si02 + aq.Yield: 96 g.

Beispiel 5 Mangansilicat 200 g Wasserglas der annähernden Zusammensetzung Na20 3-4Si02 werden mit der stöchiometrisch notwendigen Menge von 63,35 g Mangansulfat (Mn S04 - 4H20) umgesetzt. Das erhaltene trockene Reaktionsprodukt wird durch Auswaschen vom gebildeten Natriumsulfat befreit und getrocknet. - Man erhält ein hellgraues Mangansilicat der Zusammensetzung: MnO - 3-4 Si02 -I- aq. Ausbeute: 104,5 g.Example 5 Manganese silicate 200 g of water glass of approximate composition Na20 3-4Si02 are used with the stoichiometrically necessary amount of 63.35 g of manganese sulphate (Mn S04 - 4H20) implemented. The dry reaction product obtained is washed out by washing freed from the sodium sulfate formed and dried. - You get a light gray manganese silicate with the composition: MnO - 3-4 Si02 -I- aq. Yield: 104.5 g.

Claims (2)

PATENTANSPRÜCHE: 1. Verfahren zur Herstellung von Metallsilicaten, indem man Metallsulfate, die wasserlösliche Salze bilden, mit Natriumsilicaten umsetzt, dadurch gekennzeichnet, daß man die Konzentrationsverhältnisse der Umsetzung so wählt, daß das durch die Reaktion frei werdende Wasser durch die Bildung von Natriumsulfat (NaS04 -I- 10H20) gebunden wird und man das erhaltene trockene oder fast trockene Reaktionsprodukt, das aus entwässertem Metallsilicat und kristallisiertem Natriumsulfat besteht, mit Wasser behandelt, um das Metallsilicat vom Natriumsulfat zu befreien. PATENT CLAIMS: 1. Process for the production of metal silicates, by reacting metal sulphates, which form water-soluble salts, with sodium silicates, characterized in that the concentration ratios of the reaction so chooses that the water released by the reaction is caused by the formation of sodium sulfate (NaS04 -I- 10H20) is bound and you get the dry or almost dry Reaction product obtained from dehydrated metal silicate and crystallized sodium sulfate is treated with water to free the metal silicate from sodium sulfate. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man die erhaltenen trocknen oder fast trocknen Reaktionsprodukte gegebenenfalls vor der Behandlung mit Wasser nachtrocknet. In Betracht gezogene Druckschriften: USA.-Patentschriften Nr. 2 384 563, 2 088 281.2. The method according to claim 1, characterized in that drying the obtained or almost dry reaction products, optionally before treatment with water after-dries. References considered: U.S. Patents No. 2,384 563, 2 088 281.
DEL36047A 1960-04-29 1960-04-29 Process for the production of metal silicates Pending DE1117553B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL36047A DE1117553B (en) 1960-04-29 1960-04-29 Process for the production of metal silicates

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Application Number Priority Date Filing Date Title
DEL36047A DE1117553B (en) 1960-04-29 1960-04-29 Process for the production of metal silicates

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015794A2 (en) * 1979-02-22 1980-09-17 Rhone-Poulenc Chimie De Base Process for obtaining a glass composition based on metallic silicates and having a low melting point and improved refining properties

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2088281A (en) * 1932-07-30 1937-07-27 Smith William Alvah Manufacture of metal silicates
US2384563A (en) * 1940-03-21 1945-09-11 Charles H Burton Magnesium silicates and process for making same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2088281A (en) * 1932-07-30 1937-07-27 Smith William Alvah Manufacture of metal silicates
US2384563A (en) * 1940-03-21 1945-09-11 Charles H Burton Magnesium silicates and process for making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015794A2 (en) * 1979-02-22 1980-09-17 Rhone-Poulenc Chimie De Base Process for obtaining a glass composition based on metallic silicates and having a low melting point and improved refining properties
EP0015794A3 (en) * 1979-02-22 1981-02-11 Rhone-Poulenc Chimie De Base Silicates with a high silica content, especially lead or alkaline earth metal silicates, compositions containing them, process for obtaining them and vitrifiable composition, glass obtained, filler and pigment based on these silicates

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