IT1264310B1 - Method and equipment for the metering of phosphine in vacuum in the operations of fumigating food products such as dry vegetables, dry fruit, cereals, rice, dried mushrooms, coffee, cocoa, etc., and other products - Google Patents
Method and equipment for the metering of phosphine in vacuum in the operations of fumigating food products such as dry vegetables, dry fruit, cereals, rice, dried mushrooms, coffee, cocoa, etc., and other productsInfo
- Publication number
- IT1264310B1 IT1264310B1 IT93RM000161A ITRM930161A IT1264310B1 IT 1264310 B1 IT1264310 B1 IT 1264310B1 IT 93RM000161 A IT93RM000161 A IT 93RM000161A IT RM930161 A ITRM930161 A IT RM930161A IT 1264310 B1 IT1264310 B1 IT 1264310B1
- Authority
- IT
- Italy
- Prior art keywords
- products
- operations
- phosphine
- vacuum
- equipment
- Prior art date
Links
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 title abstract 3
- 235000013305 food Nutrition 0.000 title abstract 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 title 1
- 240000007594 Oryza sativa Species 0.000 title 1
- 235000007164 Oryza sativa Nutrition 0.000 title 1
- 244000299461 Theobroma cacao Species 0.000 title 1
- 235000009470 Theobroma cacao Nutrition 0.000 title 1
- 235000013339 cereals Nutrition 0.000 title 1
- 235000016213 coffee Nutrition 0.000 title 1
- 235000013353 coffee beverage Nutrition 0.000 title 1
- 235000013399 edible fruits Nutrition 0.000 title 1
- 235000009566 rice Nutrition 0.000 title 1
- 235000013311 vegetables Nutrition 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 2
- 239000005952 Aluminium phosphide Substances 0.000 abstract 1
- 241000238631 Hexapoda Species 0.000 abstract 1
- 239000005953 Magnesium phosphide Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 230000006378 damage Effects 0.000 abstract 1
- 238000003958 fumigation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
Abstract
The chemical reaction between the commercial tablets or pellets of aluminium or magnesium phosphide with a liquid catalyst performed under vacuum in the reaction chamber of a dosing device connected to the vacuum fumigation cell makes phosphine gas (phosphoretted hydrogen) immediately available at the desired concentration for the total destruction of all living forms of insects in operations for the deinfestation of agricultural and food products or other products. This method can be used to reduce the times currently necessary for these operations at atmospheric pressure in a decisive way, although operating under conditions of much greater safety, using the equipment for the metering of phosphine under vacuum to which this patent relates. The equipment described (vaporising tank, tablet meter, catalyst container, reaction chamber, pipes, valves, etc.) are manufactured in accordance with known existing techniques. <IMAGE>
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT93RM000161A IT1264310B1 (en) | 1993-03-16 | 1993-03-16 | Method and equipment for the metering of phosphine in vacuum in the operations of fumigating food products such as dry vegetables, dry fruit, cereals, rice, dried mushrooms, coffee, cocoa, etc., and other products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT93RM000161A IT1264310B1 (en) | 1993-03-16 | 1993-03-16 | Method and equipment for the metering of phosphine in vacuum in the operations of fumigating food products such as dry vegetables, dry fruit, cereals, rice, dried mushrooms, coffee, cocoa, etc., and other products |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITRM930161A0 ITRM930161A0 (en) | 1993-03-16 |
| ITRM930161A1 ITRM930161A1 (en) | 1994-09-16 |
| IT1264310B1 true IT1264310B1 (en) | 1996-09-23 |
Family
ID=11401607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT93RM000161A IT1264310B1 (en) | 1993-03-16 | 1993-03-16 | Method and equipment for the metering of phosphine in vacuum in the operations of fumigating food products such as dry vegetables, dry fruit, cereals, rice, dried mushrooms, coffee, cocoa, etc., and other products |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1264310B1 (en) |
-
1993
- 1993-03-16 IT IT93RM000161A patent/IT1264310B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ITRM930161A1 (en) | 1994-09-16 |
| ITRM930161A0 (en) | 1993-03-16 |
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Legal Events
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|---|---|---|---|
| 0001 | Granted |