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Composition of keeping ice house and horticulture production fresh and its manufacturing technics

A manufacturing process and a technology for horticultural products, which are applied in the field of compositions for maintaining the freshness of cold storage and horticultural products and their manufacturing processes, and can solve problems such as dust in formability

Inactive Publication Date: 2005-09-21
林栽信 +6
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, there is a limit in the ability to improve the adsorption energy and specific surface area
In Korean Patent No. 97-0031732, there is also a calcination process in the manufacturing technology of combining zeolite and lipophilic, non-polar compounds with activated carbon. After calcination and metal injection, the above problems also exist, and due to formability and wear After that, there is a dust problem, so there is also a limit in improving the adsorption energy and specific surface area.

Method used

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  • Composition of keeping ice house and horticulture production fresh and its manufacturing technics
  • Composition of keeping ice house and horticulture production fresh and its manufacturing technics
  • Composition of keeping ice house and horticulture production fresh and its manufacturing technics

Examples

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Effect test

example 1

[0043] The moisture content of by-product red mud (moisture content 40% by weight (weight), solid basis 6.0kg) and activated carbon powder (below 200 orders, 4.0kg) is adjusted to 35% by weight and then put into a kneading mixer, After mixing at 80 rpm for 30 minutes, shape was formed with 5mm die extruder.

[0044] Put the extruded shaped body into a drier, dry it at 105°C for 2 hours, and after calcining it at 950°C for 2 hours, put the calcined object (9.5kg) into 5% by weight hydrochloric acid solution (45 liters ) for 2 hours, the temperature was 60°C, then the shaped body and the solution were separated, and the shaped body was washed with 100 liters of water, followed by injecting 10% by weight ferric chloride solution for 4 hours with a solid basis of 1:1 under the condition of maintaining 40°C. The solid and the solution were separated, washed with drained water, and finally dried in a fluidized bed dryer at 90°C for 4 hours to obtain 18.5 kg of shaped bodies.

example 2

[0046] The moisture content of by-product red mud (moisture content 40% by weight (weight), solid basis 6.2kg) and activated carbon powder (below 200 orders, 4.3kg) is adjusted to 35% by weight and then put into a kneading mixer, After mixing at 80 rpm for 30 minutes, shape was formed with 5mm die extruder.

[0047] Put the extruded molded body into a drier, dry it at 105°C for 2 hours, and calcinate it at 950°C for 2 hours, then put the calcined object (9.9kg) into 5% by weight sulfuric acid solution (45 liters ) for 2 hours, the temperature was 60°C, and then the shaped body and the solution were separated, and the shaped body was washed with 100 liters of water, and then kept at 40°C with a 1:1 solid basis to inject 10% by weight copper sulfate solution for 4 hours. The solid and the solution were separated, washed with drained water, and finally dried in a fluidized bed dryer at 90°C for 4 hours to obtain 18.8 kg of shaped body.

example 3

[0049] The moisture content of by-product red mud (moisture content 40% by weight (weight), solid basis 6.0kg) and activated carbon powder (below 200 orders, 4.0kg) is adjusted to 35% by weight and then put into a kneading mixer, After mixing at 80 rpm for 30 minutes, shape was formed with 5mm die extruder.

[0050] After putting the extruded molded body into the drier, dry it at 105°C for 2 hours, and then calcined it at 950°C for 2 hours. liter) for 2 hours, the temperature was 60°C, then the shaped body and the solution were separated, the shaped body was washed with 100 liters of water, and then maintained at 40°C with a 1:1 solid basis to inject a 10% by weight lead sulfate solution for 4 hours. The solid and the solution were separated, washed with drained water, and finally dried in a fluidized bed dryer at 90°C for 4 hours to obtain 18.4 kg of shaped body.

[0051] differentiate

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Abstract

The invention relates to a composition for ice house deodorizing and keeping horticulture product and food fresh by adsorbing ethene gas and its manufacturing technique. Particularly, the byproduct red mud generated by extracting bauxite from laterite is mixed with activated carbon, extruded and molded by an extruder, dried under 70-120 DEG C and calcined under 800-950 DEG C. The calcined product is washed by inorganic acid solution and added with 10-20wt% active metal salt immediately. The product can adsorb the plant hormone ethene which can rot the horticulture product to keep the product fresh.

Description

technical field [0001] The present invention relates to the composition and manufacturing process of adsorbing ethylene gas to maintain the freshness of gardening products and food and related deodorizers for cold storage. In more detail, the mixture of red mud and activated carbon in various forms is compounded, shaped, dried, calcined in anaerobic condition at 950°C and soaked in hydrochloric acid solution to remove impurities, then washed with water, and injected into the washed composition for 15~ 20% active metal salts such as ferrous chloride. The products manufactured in this way have excellent performance in removing odorous gases in cold storage and adsorbing gases that corrode gardening products, and the increased adsorption capacity enables long-term use. At the same time, it has the characteristics of maintaining freshness in the application of the food field, so the present invention relates to the composition of deodorizing agents that are very effective in puri...

Claims

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Application Information

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IPC IPC(8): A61L9/014B01J20/20
CPCA61L9/012A61L9/014A61L2209/22C04B33/131
Inventor 林栽信吴性根金度君徐政奭赵诚一李宇石朴基文
Owner 林栽信
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