AT44536B - Process for the precipitation of humus substances from the black liquors in the soda cellulose factories. - Google Patents
Process for the precipitation of humus substances from the black liquors in the soda cellulose factories.Info
- Publication number
- AT44536B AT44536B AT44536DA AT44536B AT 44536 B AT44536 B AT 44536B AT 44536D A AT44536D A AT 44536DA AT 44536 B AT44536 B AT 44536B
- Authority
- AT
- Austria
- Prior art keywords
- precipitation
- soda cellulose
- black liquors
- humus substances
- cellulose factories
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims 2
- 229920002678 cellulose Polymers 0.000 title claims 2
- 239000001913 cellulose Substances 0.000 title claims 2
- 239000000126 substance Substances 0.000 title claims 2
- 239000003864 humus Substances 0.000 title 1
- 238000001556 precipitation Methods 0.000 title 1
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 2
- 238000010411 cooking Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Description
<Desc/Clms Page number 1>
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Damit die Kathodenflüssigkeit, die sich natürlich in bezug auf den Gehalt an Nntriumhydroxyd anreichert, an sich ausgebeutet werden kann, empfiehlt es sich. die Flüssigkeit des Anoden-und
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voneinander zu trennen. Im Kathodenraume kann man Schwarzlauge oder reinere Natronlauge oder ein Natriumsalz (wie Chlorid, Sulfat. Karbonat etc.) haben. Der Niederschlag wird, besonders in Wärme, leicht filtrierbar und kann dann ohne grösseren Verlust ausgewaschen werden. Wenn die Schwarzlauge eine hohe Salzkonzentration hat, die durch Konzentrierung bezw.
Zusatz von Salzen (oder Natriumhydroxyd oder Schwefelnatrium) e@zielt werden kann, so wird dadurch
EMI1.4
andere Natriumsalze machen indessen denselben Dienst, da durch Elektrolyse derselben NatriumhydroxydimKathodenraumeentsteht.
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oder Natriumhydroxyd, im Anordenraume Schwarzlauge. Die Anode besteht aus Platin, Kohlenstoff oder anderem säurefestem Material, die Kathode aus Eisen oder anderem Metalle. Die
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<Desc / Clms Page number 1>
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It is advisable that the catholyte, which naturally accumulates with regard to the content of sodium hydroxide, can be exploited. the liquid of the anode and
EMI1.3
to separate from each other. Black liquor or purer caustic soda or a sodium salt (such as chloride, sulfate, carbonate etc.) can be used in the cathode compartment. The precipitate can be easily filtered, especially when it is warm, and can then be washed out without major loss. If the black liquor has a high salt concentration, which BEZW by concentration.
Addition of salts (or sodium hydroxide or sodium sulphide) e @ can be aimed, so will thereby
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other sodium salts, however, perform the same service, since by electrolysis they produce sodium hydroxide in the cathode spaces.
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or sodium hydroxide, black liquor in the arrangement room. The anode consists of platinum, carbon or other acid-proof material, the cathode of iron or other metals. The
EMI1.6
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT44536T | 1909-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT44536B true AT44536B (en) | 1910-10-25 |
Family
ID=3564206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT44536D AT44536B (en) | 1909-07-19 | 1909-07-19 | Process for the precipitation of humus substances from the black liquors in the soda cellulose factories. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT44536B (en) |
-
1909
- 1909-07-19 AT AT44536D patent/AT44536B/en active
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