Biological filter material by utilizing sugar mill mud and method

A technology of biological filter material and sugar filter mud is applied in the field of porous ceramic materials, which can solve the problems of small specific surface area and high cost, and achieve the effects of large specific surface area, improved strength and favorable surface electrostatic effect.

Inactive Publication Date: 2010-06-23
HAINAN UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the inherent shortcomings of such filter materials, such as high cost or small specif

Method used

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  • Biological filter material by utilizing sugar mill mud and method
  • Biological filter material by utilizing sugar mill mud and method
  • Biological filter material by utilizing sugar mill mud and method

Examples

Experimental program
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Embodiment 1

[0029] 1. Pretreatment of raw materials: dry the wet sugar filter mud naturally in the sun to make its moisture content below 13%, and store it in a closed container. The recycled waste ceramics are cleaned and crushed so that the particle size is less than 1mm.

[0030] 2. Weighing according to the mass ratio of raw materials, i.e., 30-35% of sugar filter mud: 15-20% of waste ceramics, 40-45% of clay, and 5-10% of pore-forming agent. The mass ratio of the material to the grinding body is set at 1:2, and water with a weight of 20-30% of the material is added, and then sugar filter mud, waste ceramics and clay are ball-milled. After ball milling, the material passes through a 100-mesh sieve.

[0031] 3. After the ball-milled material is properly dehydrated, the weighed pore-forming agent is added and kneaded repeatedly to make it meet the requirement of uniform mixing, and it is aged for 24 hours.

[0032] 4. Mold the stale mud material through a mold to prepare a spherical b...

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PUM

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Abstract

The invention relates to a biological filter material by utilizing sugar mill mud and a method; solid waste sugar mill mud and waste ceramics are used as main raw materials, binder clay and pore-forming agents and the like are added to prepare the biological filter material; the raw materials forms finished products by crushing, batching, ball-milling, sieving, forming, drying, sintering and cooling and other procedures; sawdust, leaves, fiber and the like can be used as the pore-forming agents for preparing the biological filter material; after the pore-forming agents and the powdery raw materials are mixed and formed, the pore-forming agents are distributed in a blank body disorderly, so as to form holes which are run-through in a three-dimensional space after being sintered. The porous biological filter material produced by the invention has high intensity, large porosity, large specific surface area and good chemical stability and can be used for sewage treatment.

Description

technical field [0001] The invention relates to a porous ceramic material for treating sewage, especially a method for manufacturing a biological filter material. Background technique [0002] With the improvement of human requirements for water quality and water supply, as well as the continuous improvement of sewage discharge standards, various water treatment filter materials have been developed, including quartz sand, anthracite, polystyrene pellets, etc. Due to the inherent shortcomings of such filter materials, such as high cost or small specific surface area, researchers are constantly developing new filter materials to replace them. Because the material of ceramsite is cheap and easy to obtain, and has the advantages of light weight, porous, easy to hang film and good biocompatibility, it is the focus of research on biological filter materials at present. The interior of the ceramsite filter material is porous, the specific surface area is large, the chemical and th...

Claims

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Application Information

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IPC IPC(8): C02F3/10C04B38/00C04B33/22
CPCY02W10/10Y02W10/37
Inventor 张玉苍高文元李长敏焦宏涛
Owner HAINAN UNIVERSITY
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