WO2003018510A1 - Fertiliser product - Google Patents
Fertiliser product Download PDFInfo
- Publication number
- WO2003018510A1 WO2003018510A1 PCT/ZA2002/000132 ZA0200132W WO03018510A1 WO 2003018510 A1 WO2003018510 A1 WO 2003018510A1 ZA 0200132 W ZA0200132 W ZA 0200132W WO 03018510 A1 WO03018510 A1 WO 03018510A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cms
- predetermined
- ammonium
- ammonia
- treated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/006—Waste from chemical processing of material, e.g. diestillation, roasting, cooking
- C05F5/008—Waste from biochemical processing of material, e.g. fermentation, breweries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Definitions
- This invention relates to a product useful as a fertiliser in agricultural applications, and in particular to sugar cane growth.
- vinasse consists primarily of the non-fermentable potion of molasses and arises in a dilute form, containing only 13 percent total solids.
- the disposal of vinasse is problematic as it has high COD and BOD values and is therefore a potential environmental pollutant.
- the dilute vinasse is disposed of by irrigating it onto sugar cane fields. This was practised at the Glendale Distillery for a number of years, but led to problems due to such an accumulation of potassium in the soil that it became toxic to sugar cane.
- CMS Condensed Molasses Solubles
- a method of producing a fertiliser from CMS includes the step of adjusting its pH to a predetermined value, and adding predetermined quantities of agriculturally-acceptible nitrogen, phosphorus and potassium compounds to provide a predetermined NPK value.
- the amount of the compounds added will depend on the existing analysis of the soil to be fertilised.
- the compounds useful as additives to the CMS include various proportions of urea, ammonium nitrate, phosphoric acid, mono ammonium phosphate, potassium chloride and other ingredients to produce complete liquid fertilizer blends with the correct proportions of N, P and K required for the particular application.
- the CMS is treated with ammonia, either as anhydrous ammonia, or a salt , hydroxide, carbonate or the like.
- ammonia either as anhydrous ammonia, or a salt , hydroxide, carbonate or the like.
- This treatment may be used to adjust the pH of the CMS , which should be as close as possible to 7. If the product requires the addition of phosphorus, a calculated amount of phosphoric acid may be first added to the CMS followed by the ammoniating step. This leads to a significantly higher N value due to the formation of ammonium phosphate.
- the product of the invention may be applied by means of tractor-drawn tankers which apply the blended fertiliser evenly and precisely according to the desired application rate.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
A fertiliser is produced from condensed molasses solubles (CMS) by neutralising with ammonia or an ammonium salt, hydroxide or carbonate, followed by addition of predetermined amounts of nitrogen, phosphorus and potassium compounds to produce a blend which provides an area to be treated with a predetermined NPK value.
Description
FERTILISER PRODUCT
TECHNICAL FIELD OF THE INVENTION
This invention relates to a product useful as a fertiliser in agricultural applications, and in particular to sugar cane growth.
BACKGROUND ART
During the production of ethanol from can molasses, large volumes of dilute effluent known as vinasse or slops are produced. This vinasse consists primarily of the non-fermentable potion of molasses and arises in a dilute form, containing only 13 percent total solids. The disposal of vinasse is problematic as it has high COD and BOD values and is therefore a potential environmental pollutant. In some cases, the dilute vinasse is disposed of by irrigating it onto sugar cane fields. This was practised at the Glendale Distillery for a number of years, but led to problems due to such an accumulation of potassium in the soil that it became toxic to sugar cane.
Some ethanol plants evaporate this vinasse up to between 45 and 60 percent total solids, in which form it is referred to as Condensed Molasses Solubles (CMS). This product is used in animal feeds.
It is an object of the present invention to provide a product derived from CMS which may be used as a fertiliser instead of the more expensive commercial NPK fertilisers and which, in addition, solves the disposal problems of CMS.
DISCLOSURE OF THE INVENTION
According to the invention a method of producing a fertiliser from CMS includes the step of adjusting its pH to a predetermined value, and adding predetermined quantities of agriculturally-acceptible nitrogen, phosphorus and potassium compounds to provide a predetermined NPK value.
The amount of the compounds added will depend on the existing analysis of the soil to be fertilised.
The compounds useful as additives to the CMS include various proportions of urea, ammonium nitrate, phosphoric acid, mono ammonium phosphate, potassium chloride and other ingredients to produce complete liquid fertilizer blends with the correct proportions of N, P and K required for the particular application.
In a preferred form of the invention the CMS is treated with ammonia, either as anhydrous ammonia, or a salt , hydroxide, carbonate or the like. This treatment may be used to adjust the pH of the CMS , which should be as close as possible to 7. If the product requires the addition of phosphorus, a calculated amount of phosphoric acid may be first added to the CMS followed by the ammoniating step. This leads to a significantly higher N value due to the formation of ammonium phosphate.
The product of the invention may be applied by means of tractor-drawn tankers which apply the blended fertiliser evenly and precisely according to the desired application rate.
Specialised "knapsacks" have been developed to allow accurate application by hand in areas which are too steep or otherwise difficulty accessible for mechanical equipment.
Claims
1. A method of producing a fertiliser from CMS characterised in that it includes the step of adjusting its pH to a predetermined value, and adding predetermined quantities of agriculturally-acceptible nitrogen, phosphorus and potassium compounds to provide a predetermined NPK value.
2. The method according to claim 1 characterised in that the amount of the compounds added depends on the existing analysis of the soil to be fertilised.
3. The method according to either of claims 1 or 2 characterised in that the CMS is blended with various proportions of urea, ammonium nitrate, phosphoric acid, mono ammonium phosphate, potassium chloride and other ingredients to produce complete liquid fertilizer blends with the correct proportions of N, P and K required for the particular application.
4. The method according to any of the above claims characterised in that the CMS is treated with ammonia or an ammonium salt, hydroxide, carbonate or the like.
5. The method according to claim 5 in which the CMS is treated with ammonia , ammonium hydroxide, ammonium carbonate or the like in a sufficient quantity to neutralise the CMS.
6. The method according to claim 5 characterised in that, where necessary, a predetermined amount of phosphoric acid or the like phosphorus compound is first added to the CMS followed by neutralisation.
7. The product resulting from the method of any of the above claims.
8. A method of fertilising an area characterised in that it includes the step of applying a product according to claim 7 a t a predetermined rate.
9. A method substantially as described with reference to the treatments disclosed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2001/3469 | 2001-08-30 | ||
| ZA200103469 | 2001-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003018510A1 true WO2003018510A1 (en) | 2003-03-06 |
Family
ID=25589144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ZA2002/000132 WO2003018510A1 (en) | 2001-08-30 | 2002-08-28 | Fertiliser product |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2003018510A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004020367A1 (en) * | 2002-08-27 | 2004-03-11 | Csr Distilleries Operations Pty Limited | Fertiliser and feed supplement composition |
| KR100615717B1 (en) | 2004-07-28 | 2006-08-28 | 조석호 | Liquid composite fertilizer composition comprising CMS and method for preparing the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033254A2 (en) * | 1980-01-11 | 1981-08-05 | Armand Doncoeur | Process for preparing a liquid thixotropic fertilizer based on vinasses, and product thus obtained |
| DE3840059A1 (en) * | 1988-11-28 | 1990-05-31 | Herbert Dr Propfe | Method for further processing waste products from the purification of waste water, process water and exhaust air and use thereof in the agricultural sector |
| WO1997026228A1 (en) * | 1996-01-18 | 1997-07-24 | Miroslav Hofschneider | Fertilizer |
| EP0794246A1 (en) * | 1996-03-08 | 1997-09-10 | Gist-Brocades B.V. | Process for recovering valuable compounds from vinasse produced during fermentation |
| US6083293A (en) * | 1997-02-24 | 2000-07-04 | Bath; Virginia L. | Method for enhanced plant protein production and composition for use in the same |
-
2002
- 2002-08-28 WO PCT/ZA2002/000132 patent/WO2003018510A1/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033254A2 (en) * | 1980-01-11 | 1981-08-05 | Armand Doncoeur | Process for preparing a liquid thixotropic fertilizer based on vinasses, and product thus obtained |
| DE3840059A1 (en) * | 1988-11-28 | 1990-05-31 | Herbert Dr Propfe | Method for further processing waste products from the purification of waste water, process water and exhaust air and use thereof in the agricultural sector |
| WO1997026228A1 (en) * | 1996-01-18 | 1997-07-24 | Miroslav Hofschneider | Fertilizer |
| EP0794246A1 (en) * | 1996-03-08 | 1997-09-10 | Gist-Brocades B.V. | Process for recovering valuable compounds from vinasse produced during fermentation |
| US6083293A (en) * | 1997-02-24 | 2000-07-04 | Bath; Virginia L. | Method for enhanced plant protein production and composition for use in the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004020367A1 (en) * | 2002-08-27 | 2004-03-11 | Csr Distilleries Operations Pty Limited | Fertiliser and feed supplement composition |
| KR100615717B1 (en) | 2004-07-28 | 2006-08-28 | 조석호 | Liquid composite fertilizer composition comprising CMS and method for preparing the same |
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