PL41349B1 - - Google Patents
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- Publication number
- PL41349B1 PL41349B1 PL41349A PL4134956A PL41349B1 PL 41349 B1 PL41349 B1 PL 41349B1 PL 41349 A PL41349 A PL 41349A PL 4134956 A PL4134956 A PL 4134956A PL 41349 B1 PL41349 B1 PL 41349B1
- Authority
- PL
- Poland
- Prior art keywords
- sedimentation
- kijuc
- wladyslaw
- pulp
- purification
- Prior art date
Links
- 238000004062 sedimentation Methods 0.000 claims description 5
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 4
- 239000004295 calcium sulphite Substances 0.000 claims description 3
- 235000010261 calcium sulphite Nutrition 0.000 claims description 3
- 235000010265 sodium sulphite Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 3
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Description
Opublikowano dnia 3 grudnia 1958 r. jf Afift °L t$&v ' ljLadu PaierYo^ POLSKIEJ RZECZYPOSPOLITEJ LUDOWEJ OPIS PATENTOWY Nr 41349 KL 55 b, 3/30 Wladyslaw Kijuc Jelenia Góra, Polska Sposób oczyszczania wód odciekowych w przemysle celulozowo-papierniczym Patent trwa od dnia 3 kwietnia 1956 r.Celem wynalazku jest ulepszenie sedymenta-' cyjnego sposobu oczyszczania wód odciekowych w przemysle celulozowo-papierniczym.Wody odciekowe zawierajace surowce wlók¬ niste wprowadza sie do urzadzen sedymentacyj¬ nych, w których zawiesina wlóknista powinna opadac na dno. Najczesciej jednak nastepuje unoszenie sie tej zawiesiny do góry, co powo¬ duje powazne straty surowców wlóknistych, jak tez zanieczyszczenie wód powierzchniowych.Wedlug wynalazku do wód odciekowych kie¬ rowanych na wylawiacze sedymentacyjne wpro¬ wadza sie substancje odtleniajace, zwlaszcza siarczyn wapniowy lub siarczyn sodowy. Stwier¬ dzono, ze w obecnosci minimalnych ilosci soli zelaza dwuwartosciowego, substancje te wywo¬ luja szybka sedymentacje wlóknistej zawiesiny.Siarczyn sodowy lub wapniowy wprowadza sie do -wód za pomoca dozowników o) dowolnej konstrukcji. Ilosc dodawanych siarczynów waha sie od 100—250 g/1 m3 wody odciekowej. PLPublished on December 3, 1958. jf Afift ° L t $ & v 'ljLadu PaierYo ^ POLISH PEOPLE'S REPUBLIC PATENT DESCRIPTION No. 41349 KL 55 b, 3/30 Wladyslaw Kijuc Jelenia Góra, Poland on April 3, 1956 The object of the invention is to improve the sedimentation method of purification of effluent waters in the pulp and paper industry. The effluent waters containing fibrous raw materials are introduced into sedimentation devices in which the fibrous suspension should sink to the bottom. Most often, however, this suspension rises, which causes serious losses of fibrous raw materials, as well as contamination of surface waters. According to the invention, deoxidizing substances, especially calcium sulphite or sodium sulphite, are introduced into the effluent waters directed at the sedimentation nozzles. It has been found that in the presence of minimal amounts of divalent iron salts, these substances induce rapid sedimentation of the fibrous suspension. Sodium or calcium sulphite is introduced into the water by means of dispensers o) of any design. The amount of added sulphites ranges from 100-250 g / m3 of seep water. PL
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL41349B1 true PL41349B1 (en) | 1958-06-15 |
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