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A cheap nutrient biological deodorizing filler and its preparation method

A technology for biological deodorization and nutrition, applied in separation methods, chemical instruments and methods, biological water/sewage treatment, etc., to achieve environmental benefits, avoid waste, and avoid low-intensity effects

Inactive Publication Date: 2017-04-12
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defects and deficiencies of microbial carriers in existing deodorizing devices, and provide a lightweight deodorizing filler that has a certain strength and can provide certain nutrients to microorganisms and has good air permeability. Avoid potential safety hazards caused by decay and collapse, and provide nutrients to microorganisms, reduce costs and improve engineering efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 1. Deodorant biological carrier formula

[0042] Fly ash 38g, zeolite powder 8.5g, lime 1.0g, gypsum 1.2g, cement 8.5g, sodium hydroxide 0.15g, water glass 13.6g, sawdust ash 0.8g, bagasse ash 0.9g, waste syrup per 45mL.

[0043] 2. Preparation of carrier

[0044] The materials used to prepare the carrier are matched according to the formula, fully stirred to make them evenly mixed, and made into a spherical shape. Then, the spherical carrier was air-dried for 1.5 hours, and then steamed at 90° C. for 11 hours in a steamer.

[0045] 3. Hanging film

[0046] The film-hanging device is a plexiglass column with a height of 1.5m and an inner diameter of 180mm. Load the nutrient filler into the film-hanging device. Odor gas enters from the bottom of the column, and the gas flow rate is controlled at 0.4L / min.

[0047] In order to provide a suitable growth environment for the deodorant bacteria, the required water should be added to the carrier. A dripper is installed o...

Embodiment 2

[0051] 1. Deodorant biological carrier formula

[0052] Fly ash 38g, zeolite powder 9.5g, lime 1.25g, gypsum 1.3g, cement 8.4g, sodium hydroxide 0.2g, water glass 13.7g, sawdust ash 0.9g, bagasse ash 1.0g, waste syrup per 47mL.

[0053] 2. Preparation of carrier

[0054] The materials used to prepare the carrier are matched according to the formula, fully stirred to make them evenly mixed, and made into a spherical shape. Then, the spherical carrier was air-dried for 2.5 hours, and then steamed in a steamer at 98°C for 10 hours.

[0055] 3. Hanging film

[0056] The film-hanging device is a plexiglass column with a height of 1.5m and an inner diameter of 180mm. Load the nutrient filler into the film-hanging device. Odor gas enters from the bottom of the column, and the gas flow rate is controlled at 0.5L / min.

[0057] In order to provide a suitable growth environment for the deodorant bacteria, the required water should be added to the carrier. A dripper is installed on ...

Embodiment 3

[0061] 1. Deodorant biological carrier formula

[0062] Fly ash 38g, zeolite powder 8.8g, lime 1.3g, gypsum 1.35g, cement 8.6g, sodium hydroxide 0.45g, water glass 13.8g, sawdust ash 1.0g, bagasse ash 0.95g, waste syrup per 48mL.

[0063] 2. Preparation of carrier

[0064] The materials used to prepare the carrier are matched according to the formula, fully stirred to make them evenly mixed, and made into a spherical shape. Then, the spherical carrier was air-dried for 1.5 hours, and then steamed in a steamer at 96°C for 9.5 hours.

[0065] 3. Hanging film

[0066] The film-hanging device is a plexiglass column with a height of 1.5m and an inner diameter of 180mm. Load the nutrient filler into the film-hanging device. Odor gas enters from the bottom of the column, and the gas flow rate is controlled at 0.4L / min.

[0067] In order to provide a suitable growth environment for the deodorant bacteria, the required water should be added to the carrier. A dripper is installed ...

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Abstract

The invention provides cheap nutritional biological deodorization packing and a preparation method thereof. The deodorization packing is prepared from the following materials: coal ash, zeolite powder, lime, gypsum, cement, sodium hydroxide, sodium silicate, wood ash, bagasse ash and waste molasses. The packing is high in strength, high in breathability and stable in performance, has rich nutrition and can provide enough nutrient substances for microbes, so that the problems that organic carriers are low in strength and the like can be solved, and the problem that growth of deodorizing bacteria is influenced because inorganic packing is short of nutrition can be solved. The packing is long in service life, and the forming speed of a biological deodorization film is high. In addition, the nutritional biological deodorization packing prepared by the invention is low in cost and changes wastes into valuable materials, the pollution is reduced, and the environmental benefits, economical benefits and social benefits can be simultaneously realized.

Description

technical field [0001] The invention belongs to the technical field of microorganism carrier. More specifically, it relates to a cheap nutritious biological deodorizing filler and a preparation method thereof. Background technique [0002] A lot of malodorous gases are produced in many industrial production, sewage, treatment and garbage disposal processes. Malodorous gases can cause varying degrees of harm to the human body, and even cause teratogenicity and cancer. Therefore, research on odor treatment methods is a very important topic for both the environment and human beings. [0003] At present, there are many methods for odor treatment, including physical, chemical and biological methods. Among them, the biological treatment method has attracted much attention because of its low cost, no secondary pollution, easy management, safety and reliability. Biological deodorization is the use of microorganisms to degrade odorous substances and convert them into harmless comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/85C04B28/26C02F3/00C04B18/30
CPCY02A50/20Y02W30/91
Inventor 王国惠
Owner SUN YAT SEN UNIV
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