IE64925B1 - Liquid manure deodorant using an undecylenic acid ester - Google Patents
Liquid manure deodorant using an undecylenic acid esterInfo
- Publication number
- IE64925B1 IE64925B1 IE460190A IE460190A IE64925B1 IE 64925 B1 IE64925 B1 IE 64925B1 IE 460190 A IE460190 A IE 460190A IE 460190 A IE460190 A IE 460190A IE 64925 B1 IE64925 B1 IE 64925B1
- Authority
- IE
- Ireland
- Prior art keywords
- liquid manure
- ester
- undecylenic acid
- deodorant
- acid ester
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Sludge (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Gas Separation By Absorption (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention relates to a deodorant for liquid manure. This substance comprises an undecenoic acid ester. It represents an effective odour-masking substance right from the storage of the liquid manure and can be spread particularly easily.
Description
The invention relates to a deodorant substance for liquid manures, in particular liquid manures from pigs.
Intensive agriculture is a significant source of noxious waste, the animal production sector, with dejecta, being a non-negligible component. Pig stocks alone generate significant amounts of liquid manure which, apart from the pollution problems caused, are sources of odour nuisance both during stock rearing (collection) and during its storage, its treatment and its dispersal.
Several deodorant systems are used. These systems are oriented towards reducing the odour, and also the pollutant constituents.
Not all stock rearing makes use of these means; the majority proceed with dispersal after storage.
Amongst the deodorant techniques, trickling through a bacterial bed is virtually no longer used and three systems predominate: surface aeration, blowing in air and methanisation.
The present invention provides a substance which absorbs the odours of liquid manures, the said substance being a polyoxyalkylene ester of undecylenic acid.
Amongst these products, the use of the polyoxyethylene, polyoxypropylene and poly(oxyethylene)(oxypropylene) esters of the said undecylenic acid is preferred, especially the polyoxyalkylene esters containing from 2 to 10 oxyalkylene units.
The absorbent substance used in the invention may consist of one of the abovementioned products on its own or of a mixture of the said products; they can be used as such or in the form of, say, a solution or suspension or, alternatively, adsorbed on a carrier, such as clay particles.
In general, the undecylenic esters are effective at a very low dosage, for example from 0.01 to 1 % relative to the weight of the mass to be treated.
It is, of course, possible to form compositions comprising the abovementioned undecylenic ester or esters and additives such as bacteriostatic agents or fungicides and undecylenic acid itself.
The incorporation of the abovementioned ester is generally reflected in the formation, at the surface of the material to be treated, of a film which eliminates the emanation of odour.
The accompanying Figures illustrate the efficacy of certain polyoxyethylene esters of undecylenic acid.
In these Figures, the abscissa axis represents the amount of the undecylenic ester used, the ordinate axis representing the degree of olfactory perception of the odour, the values 1 to 6 signifying, respectively: none, very weak, weak, average, strong and very strong.
In these Figures, the upper graph corresponds to the odour of the liquid manure itself, the lower graph corresponding to the odour of the ester.
Figures 1 and 2 correspond, respectively, to the polyoxyethylene esters of undecylenic acid containing 8 and oxyethylene units. These show that the reduction in the perception of the odour of the liquid manure is not significantly replaced by the perception of an odour associated with the ester itself.
By way of comparison, Figures 3 and 4 show that 10 with, respectively, methyl undecylenate and the polyoxyethylene ester containing 12 oxyethylene units, the reduction in the perception of the odour of the liquid manure is significantly replaced by a strong perception of the odour of the undecylenic ester.
Claims (7)
1. A polyoxyaIkylene ester of undecylenic acid containing
2. To 10 oxyalkylene units for use as a deodorant for liquid manure. 5 2. A deodorant according to claim l which is a polyoxyethylene, polyoxypropylene or poly(oxyethylene) (oxypropylene) ester.
3. A deodorant according to claim 2 which is a polyoxyethylene ester containing 8 or 10 oxyethylene units. 10
4. A deodorant according to claim 1 substantially as hereinbefore described.
5. A liquid manure which comprises an ester as defined in any one of claims 1 to 3.
6. A method of deodorising a liquid manure which 15 comprises adding thereto an ester as defined in any one of claims 1 to 3.
7. A method according to claim 6 substantially as hereinbefore described.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8916793A FR2655857B1 (en) | 1989-12-19 | 1989-12-19 | AIR FRESHENER OF LIQUORS USING UNDECYLENIC ACID ESTER. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE904601A1 IE904601A1 (en) | 1991-06-19 |
| IE64925B1 true IE64925B1 (en) | 1995-09-20 |
Family
ID=9388680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE460190A IE64925B1 (en) | 1989-12-19 | 1990-12-19 | Liquid manure deodorant using an undecylenic acid ester |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0434523B1 (en) |
| JP (1) | JP2776991B2 (en) |
| KR (1) | KR970004586B1 (en) |
| AT (1) | ATE90574T1 (en) |
| CA (1) | CA2032546C (en) |
| DE (1) | DE69001992T2 (en) |
| DK (1) | DK0434523T3 (en) |
| ES (1) | ES2041164T3 (en) |
| FR (1) | FR2655857B1 (en) |
| IE (1) | IE64925B1 (en) |
| PT (1) | PT96241B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2072914C (en) * | 1992-03-27 | 2004-04-20 | James Richard Gross | Method for reducing malodor in absorbent products and products formed thereby |
| FR2694197B1 (en) * | 1992-07-30 | 1994-09-02 | Atochem Elf Sa | Deodorant for stationery effluents based on undecylenic acid ester. |
| FR2706773B1 (en) * | 1993-06-23 | 1995-09-22 | Atochem Elf Sa | |
| FR2742663B1 (en) * | 1995-12-26 | 1998-07-24 | Atochem Elf Sa | USE OF A DEODORIZER BASED ON UNDECYLENIC ACID OR ACID DERIVATIVES FOR DEODORIZING PAPER, CARDBOARD AND NON-FABRICS |
| FR2814461B1 (en) * | 2000-09-22 | 2003-05-23 | Ahlstrom Paper Group Res And C | SEMI-SOLID COMPOSITION FOR USE AS A SPREADING PRODUCT AND MANUFACTURING METHOD |
| US9695385B2 (en) | 2013-03-13 | 2017-07-04 | Stepan Company | Surfactants based on monounsaturated fatty alcohol derivatives |
-
1989
- 1989-12-19 FR FR8916793A patent/FR2655857B1/en not_active Expired - Lifetime
-
1990
- 1990-12-14 DE DE90403598T patent/DE69001992T2/en not_active Expired - Fee Related
- 1990-12-14 AT AT90403598T patent/ATE90574T1/en not_active IP Right Cessation
- 1990-12-14 ES ES199090403598T patent/ES2041164T3/en not_active Expired - Lifetime
- 1990-12-14 EP EP90403598A patent/EP0434523B1/en not_active Expired - Lifetime
- 1990-12-14 DK DK90403598.7T patent/DK0434523T3/en active
- 1990-12-17 JP JP2417866A patent/JP2776991B2/en not_active Expired - Lifetime
- 1990-12-18 KR KR1019900020925A patent/KR970004586B1/en not_active IP Right Cessation
- 1990-12-18 CA CA002032546A patent/CA2032546C/en not_active Expired - Fee Related
- 1990-12-18 PT PT96241A patent/PT96241B/en not_active IP Right Cessation
- 1990-12-19 IE IE460190A patent/IE64925B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2655857A1 (en) | 1991-06-21 |
| CA2032546A1 (en) | 1991-06-20 |
| IE904601A1 (en) | 1991-06-19 |
| DK0434523T3 (en) | 1993-07-12 |
| PT96241A (en) | 1991-09-30 |
| JPH0753290A (en) | 1995-02-28 |
| EP0434523B1 (en) | 1993-06-16 |
| ATE90574T1 (en) | 1993-07-15 |
| DE69001992T2 (en) | 1993-11-04 |
| JP2776991B2 (en) | 1998-07-16 |
| CA2032546C (en) | 1996-10-15 |
| EP0434523A1 (en) | 1991-06-26 |
| ES2041164T3 (en) | 1993-11-01 |
| KR910011285A (en) | 1991-08-07 |
| KR970004586B1 (en) | 1997-03-29 |
| FR2655857B1 (en) | 1992-03-27 |
| PT96241B (en) | 1998-06-30 |
| DE69001992D1 (en) | 1993-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |