DE884188C - Process for the production of active material skeletons, such as activated carbon, silica gel, etc. - Google Patents
Process for the production of active material skeletons, such as activated carbon, silica gel, etc.Info
- Publication number
- DE884188C DE884188C DEK4880D DEK0004880D DE884188C DE 884188 C DE884188 C DE 884188C DE K4880 D DEK4880 D DE K4880D DE K0004880 D DEK0004880 D DE K0004880D DE 884188 C DE884188 C DE 884188C
- Authority
- DE
- Germany
- Prior art keywords
- production
- silica gel
- activated carbon
- active material
- skeletons
- 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
Links
Classifications
-
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/3441—Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/126—Microwaves
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/354—After-treatment
- C01B32/36—Reactivation or regeneration
- C01B32/366—Reactivation or regeneration by physical processes, e.g. by irradiation, by using electric current passing through carbonaceous feedstock or by using recyclable inert heating bodies
-
- 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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/152—Preparation of hydrogels
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Fibers (AREA)
Description
Verfahren zur Herstellung von aktiven Stoffskeletten, wie Aktivkohle, Kieselsäuregel usf.Process for the production of active material skeletons, such as activated carbon, Silica gel etc.
Aktivstoffe werden hergestellt durch Austreiben von Gasen, Dämpfen, Kondensaten, verdampfbaren Feststoffen aus Stoffskeletten. Rückstände organischer oder anorganischer Art, bei Erhitzung entstandene Oxyde usf. beeinträchtigen die absorbierende Wirkung der Skelette. Active substances are produced by expelling gases, vapors, Condensates, vaporizable solids from fabric skeletons. Organic residues or of an inorganic kind, oxides, etc., formed on heating, impair the absorbent effect of the skeletons.
Diese Erfindung kennzeichnet sich dadurch, daß die Grundstoffe für die Erzeugung der Hohlraumskelette vor, während oder nach der üblichen Behandlung dem Einfluß von Wellen des elektromagnetischen Frequenzspektrums ausgesetzt werden, vorzugsweise Kurzwellen, Ultrakurzwellen, kommerziellen Wellen, Langwellen. This invention is characterized in that the raw materials for the creation of the cavity skeletons before, during or after the usual treatment are exposed to the influence of waves of the electromagnetic frequency spectrum, preferably shortwave, ultra-shortwave, commercial waves, longwave.
Die Einwirkung soll stoßweise und kurzzeitig erfolgen. The effect should take place intermittently and for a short time.
Die Kurzwellen usw. bewirken eine gründliche Reinigung der Skelettporen. Diese ist darauf zurückzuführen, daß die Erhitzung von innen heraus erfolgt, daß die z. B. bei Kohle meist vorhandenen metallischen und oxydischen Einlagerungsspuren weiter oxydiert und vergast werden. The short waves etc. cause a thorough cleaning of the skeletal pores. This is due to the fact that the heating takes place from within, that the z. B. in coal mostly existing metallic and oxidic inclusion traces be further oxidized and gasified.
Durch das Verfahren nach dieser Erfindung erfolgt eine sehr gemäßigte weitere Ausbrennung, durch die das Material noch leichter und poriger wird. The method of this invention provides a very moderate one further burn-out, which makes the material even lighter and more porous.
Bei der Herstellung von Chlorzinkkohle aus Maische der Chlorzinklauge (Zn Cl2) mit Holz, das nicht verkokt ist, oder mit anderen nicht verkokten Stoffen eignet sich das Verfahren vorteilhaft, da Rückstände der Zusätze vergast werden. In the production of zinc-chloride coal from the mash of the zinc-chloride liquor (Zn Cl2) with wood that is not coked or with other non-coked materials the process is advantageous because residues of the additives are gasified.
Wasserdampfkohle, die als Primäraktivkohle aus Holz unter Verkokung bei niedriger Temperatur gewonnen wird, kann unter Einwirkung der Kurzwellen usw. sehr rein und rasch erzielt werden. Steam charcoal, which is used as the primary activated charcoal from wood under coking is obtained at low temperature, can under the action of short waves, etc. can be achieved very cleanly and quickly.
Die bei der Herstellung von Aktivkohle usf. wesentliche gleichmäßige Erwärmung und Erhitzung kann im Kurzwellenield vorzüglich erreicht werden. The uniform, which is essential in the production of activated charcoal, etc. Warming and heating can be achieved excellently in the shortwave field.
Gut geeignet ist z. B. die Beeinflussung zwischen den Hochspannungs - Hochfrequenz - Kondensator-Elektroden eines Kurzwellengenerators von 30 MHz, entsprechend 10 m Wellenlänge. Well suited is z. B. the influence between the high voltage - High frequency - capacitor electrodes of a short wave generator of 30 MHz, accordingly 10 m wavelength.
Das Verfahren nach der Erfindung kann auch wiederholt während der üblichen Verfahren zur Herstellung der Aktivkohlen usf. angewendet werden. The method according to the invention can also be repeated during the Customary processes for the production of activated carbons, etc. can be used.
Je feiner das Gefüge des Aktivstoffes werden soll, um so höher soll die angewendete Frequenz gewählt werden. The finer the structure of the active ingredient should be, the higher it should be the frequency used can be selected.
Die zu Aktivstoffen zu verarbeitenden Stoffe werden während der Anwendung dieses Verfahrens zweckmäßig im Schwebezustand erhalten. Dies kann durch mechanische oder pneumatische Mittel geschehen. Die Stoffe können auch im freien Fall zwischen den Elektroden des Kurzwellengenerators bewegt werden. The substances to be processed into active substances become active during the application this process expediently kept in suspension. This can be done by mechanical or pneumatic means happen. The fabrics can also freely fall between the electrodes of the shortwave generator are moved.
Es ist von Vorteil, die Stoffe während der Beeinflussung durch Kurzwellen von inerten Gasen zu umgel>en. Entflammungen werden dadurch verhindert. It is beneficial to use the substances while being influenced by short waves to divert inert gases. This prevents inflammation.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK4880D DE884188C (en) | 1943-03-10 | 1943-03-10 | Process for the production of active material skeletons, such as activated carbon, silica gel, etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK4880D DE884188C (en) | 1943-03-10 | 1943-03-10 | Process for the production of active material skeletons, such as activated carbon, silica gel, etc. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE884188C true DE884188C (en) | 1953-07-23 |
Family
ID=7210559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEK4880D Expired DE884188C (en) | 1943-03-10 | 1943-03-10 | Process for the production of active material skeletons, such as activated carbon, silica gel, etc. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE884188C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0358827A1 (en) * | 1986-12-04 | 1990-03-21 | Mobil Oil Corporation | Crystallization method employing microwave radiation |
-
1943
- 1943-03-10 DE DEK4880D patent/DE884188C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0358827A1 (en) * | 1986-12-04 | 1990-03-21 | Mobil Oil Corporation | Crystallization method employing microwave radiation |
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