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Wood-plastic biological filling and method for making same

A technology of biological fillers and production methods, applied in chemical instruments and methods, biological water/sewage treatment, fixed on/in organic carriers, etc., can solve unfavorable microbial reproduction and survival, unfavorable processing and mass production, biological Complicated packing shape and other problems, to achieve the effect of low cost, simple shape and convenient processing

Inactive Publication Date: 2006-09-06
徐凌秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this type of polymer has good molding processability, it is easy to make fillers with complex shapes and large specific surface areas. However, because these materials have no internal void structure, it is not conducive to the reproduction and survival of microorganisms; The shape of the biological filler is too complicated, and the performance is not improved much, and it is not conducive to processing and mass production, and the cost is high

Method used

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  • Wood-plastic biological filling and method for making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The product comprises the following components by weight:

[0033] 1) Waste polyethylene (powder) 100

[0034] 2) Rice husk powder 85

[0035] 3) Ground calcium carbonate 35

[0036] 4) Ethylene / acrylic acid copolymer 4

[0037] 5) Sodium bicarbonate 1

[0038] Azodicarbonamide 1.5

[0039] 6) Zinc oxide 1

[0040] 7) Zinc stearate 0.6

[0041] Dicumyl peroxide 0.4

[0042] 8) fatty acid 3.5

[0043] Its production steps include:

[0044] (1), prepare materials, prepare the materials of the above-mentioned various components;

[0045] (2), mixing, above-mentioned various component materials are stirred, preliminary mixing;

[0046] (3) Extrusion molding, the above-mentioned various components that are initially mixed are extruded on an extruder to produce biological fillers.

[0047] This embodiment is extruded on an extruder, and the components that are initially mixed are placed in an existing twin-screw extruder for automatic processing, from feeding, mel...

Embodiment 2

[0049] The product comprises the following components by weight:

[0050] 1) Waste polyethylene (waste polyethylene particles are crushed and ground into powder) 100

[0051] 2) Rice husk powder 60

[0052] 3) Ground calcium carbonate 15

[0053] 4) Ethylene / acrylic acid copolymer 3

[0054] 5) Sodium bicarbonate 0.8

[0055] Azodicarbonamide 1

[0056] 6) Zinc oxide 0.8

[0057] 7) Zinc stearate 0.5

[0058] Dicumyl peroxide 0.2

[0059] 8) Fatty acid amides 3

[0060] Its preparation steps are identical with the preparation steps of embodiment 1.

Embodiment 3

[0062] The product comprises the following components by weight:

[0063]1) Waste polyethylene 100

[0064] 2) Rice husk powder 150

[0065] 3) Ground calcium carbonate 60

[0066] 4) Ethylene / acrylic acid copolymer 6

[0067] 5) Sodium bicarbonate 1.5

[0068] Azodicarbonamide 1.5

[0069] 6) Zinc oxide 1.5

[0070] 7) Zinc stearate 1.2

[0071] Dicumyl peroxide 0.3

[0072] 8) fatty acid 4

[0073] Its preparation steps are identical with the preparation steps of embodiment 1.

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Abstract

The disclosed wood-plastic biological filler comprises the following ingredients (by weight portions): plastic 100, vegetable fiber 40-150, stone powder 10-60, expanding agent 2-6, heat absorption / release foaming agent 1-3, foaming activating agent 0.5-1.5, oxidation bond breaking agent 0.5-1.5, and lubricating agent 2.5-4. The biological filler can be prepared from wastes.

Description

technical field [0001] The invention relates to a biological filler, in particular to a biological filler made of wood-plastic material and a manufacturing method thereof. Background technique [0002] Biological treatment plays a very important role in the treatment of various types of wastewater and the pretreatment of surface source water. The filler as a microbial carrier is one of the key products of biological treatment technology, and its performance is directly related to the quality of the treatment effect, the length of service life, and the cost of the project. [0003] At present, biological fillers in sewage treatment are generally made of polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) and other materials by injection molding or thermal synthesis. Although this type of polymer has good molding processability, it is easy to make fillers with complex shapes and large specific surface area. However, because these materials have no internal void st...

Claims

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Application Information

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IPC IPC(8): C08L101/00C08L97/02C08K3/00C02F3/34C12N11/08C12N11/10
Inventor 徐凌秀
Owner 徐凌秀
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