HU191648B - Process for the conduction in cycle of sewage arising during the liming of tanning raw materials - Google Patents

Process for the conduction in cycle of sewage arising during the liming of tanning raw materials Download PDF

Info

Publication number: HU191648B
Authority: HU; Hungary
Prior art keywords: weight; depilation; parts; wastewater; washing
Prior art date: 1983-04-01

Application number

HU129684A

Other languages

German (de)

English (en)

Hungarian (hu)

Other versions

HUT34139A (en

Inventor

Tomas Dederle

Petr Rehak

Jan Kordula

Jaromir Ludvik

Original Assignee

Vyzk Ustav Kozedelny

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.)

1983-04-01

Filing date

1984-03-30

Publication date

1987-03-30

1984-03-30 Application filed by Vyzk Ustav Kozedelny filed Critical Vyzk Ustav Kozedelny

1985-02-28 Publication of HUT34139A publication Critical patent/HUT34139A/hu

1987-03-30 Publication of HU191648B publication Critical patent/HU191648B/hu

Links

238000000034 method Methods 0.000 title claims description 29
239000010865 sewage Substances 0.000 title description 2
239000002994 raw material Substances 0.000 title 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
239000002351 wastewater Substances 0.000 claims abstract description 23
230000035617 depilation Effects 0.000 claims abstract description 17
238000005406 washing Methods 0.000 claims abstract description 17
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 13
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 10
229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 10
229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 5
238000005352 clarification Methods 0.000 claims description 10
238000002791 soaking Methods 0.000 claims description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
239000000463 material Substances 0.000 claims description 2
230000003134 recirculating effect Effects 0.000 claims description 2
238000002360 preparation method Methods 0.000 claims 1
238000000746 purification Methods 0.000 claims 1
235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 8
235000011941 Tilia x europaea Nutrition 0.000 abstract description 8
239000004571 lime Substances 0.000 abstract description 8
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 7
239000000920 calcium hydroxide Substances 0.000 abstract description 7
229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 7
238000002386 leaching Methods 0.000 abstract 4
239000010985 leather Substances 0.000 abstract 2
231100000331 toxic Toxicity 0.000 abstract 1
230000002588 toxic effect Effects 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
238000003860 storage Methods 0.000 description 7
235000011389 fruit/vegetable juice Nutrition 0.000 description 6
238000005202 decontamination Methods 0.000 description 5
230000003588 decontaminative effect Effects 0.000 description 4
230000002951 depilatory effect Effects 0.000 description 4
102000004169 proteins and genes Human genes 0.000 description 4
108090000623 proteins and genes Proteins 0.000 description 4
239000000243 solution Substances 0.000 description 4
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
238000011109 contamination Methods 0.000 description 2
CVSVTCORWBXHQV-UHFFFAOYSA-N creatine Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000000126 substance Substances 0.000 description 2
241001465754 Metazoa Species 0.000 description 1
239000012267 brine Substances 0.000 description 1
238000010909 chemical acidification Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
229960003624 creatine Drugs 0.000 description 1
239000006046 creatine Substances 0.000 description 1
230000001351 cycling effect Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000001877 deodorizing effect Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
238000001914 filtration Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000008520 organization Effects 0.000 description 1
239000002574 poison Substances 0.000 description 1
231100000614 poison Toxicity 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
230000003389 potentiating effect Effects 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000013049 sediment Substances 0.000 description 1
239000010802 sludge Substances 0.000 description 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
230000008961 swelling Effects 0.000 description 1
238000000108 ultra-filtration Methods 0.000 description 1
238000004065 wastewater treatment Methods 0.000 description 1

Landscapes

Removal Of Specific Substances (AREA)
Processing Of Solid Wastes (AREA)

HU129684A 1983-04-01 1984-03-30 Process for the conduction in cycle of sewage arising during the liming of tanning raw materials HU191648B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS832283A CS243521B1 (en)	1983-04-01	1983-04-01	Method of waste waters recycling originating from tannery raw materials' liming

Publications (2)

Publication Number	Publication Date
HUT34139A HUT34139A (en)	1985-02-28
HU191648B true HU191648B (en)	1987-03-30

Family

ID=5359500

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HU129684A HU191648B (en)	1983-04-01	1984-03-30	Process for the conduction in cycle of sewage arising during the liming of tanning raw materials

Country Status (3)

Country	Link
CS (1)	CS243521B1 (cs)
DD (1)	DD252953A3 (cs)
HU (1)	HU191648B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110498573A (zh) *	2019-09-06	2019-11-26	张洪响	一种裘皮硝染废水处理及循环利用的方法

1983
- 1983-04-01 CS CS832283A patent/CS243521B1/cs unknown
1984
- 1984-03-05 DD DD26053284A patent/DD252953A3/xx not_active IP Right Cessation
- 1984-03-30 HU HU129684A patent/HU191648B/hu not_active IP Right Cessation

Also Published As

Publication number	Publication date
CS228383A1 (en)	1985-09-17
DD252953A3 (de)	1988-01-06
CS243521B1 (en)	1986-06-12
HUT34139A (en)	1985-02-28

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Legal Events

Date	Code	Title	Description
1990-06-28	HU90	Patent valid on 900628
1991-02-28	HMM4	Cancellation of final prot. due to non-payment of fee