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Functional biomembrane carrier, its preparation method and use

A biofilm carrier and functional technology, applied in the direction of sustainable biological treatment, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problems of slow film formation and inability to actively provide a good environment for microbial growth, and achieve The effect of promoting the growth of microorganisms

Inactive Publication Date: 2006-10-11
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In view of the fact that most of the biofilm carriers widely used in research and application are biologically inert materials, they cannot actively provide a good environment for microbial growth, and the film-hanging speed is slow; therefore, the development of functional biofilm carriers that actively regulate the microenvironment required for microbial growth represents the biological carrier. The new direction of development is of great significance for improving the film-hanging speed of the carrier and the efficiency of the reactor, and developing efficient and practical water quality treatment facilities

Method used

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  • Functional biomembrane carrier, its preparation method and use
  • Functional biomembrane carrier, its preparation method and use

Examples

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Effect test

Embodiment 1

[0022] The functional biofilm carrier of the present invention has the following ingredients by weight: 1% of tourmaline, 15% of hydrotalcite, 20% of montmorillonite, 54% of diatomite and 10% of aluminum oxide.

[0023] The preparation method of the functional biofilm carrier is as follows: mix hydrotalcite, montmorillonite, diatomite, and alumina materials according to the above-mentioned proportion, grind them to 200 mesh, and then add tourmaline powder with a particle size of 200 mesh according to the ratio , add water, stir and mix thoroughly, put it into a molding machine for extrusion molding, and granulate in a disc granulator to obtain spherical granule raw meal. Spherical granular raw meal is first dried naturally, then moved into a horse boiling furnace and heated to 120°C for 1 hour, and then heated to 800°C for 3 hours to obtain a functional biofilm carrier.

Embodiment 2

[0025] The functional biofilm carrier of the present invention has the following ingredient ratios: 5% of tourmaline, 10% of hydrotalcite, 20% of montmorillonite, 55% of diatomite and 10% of aluminum oxide.

[0026]The production process of the functional biofilm carrier is as follows: mix hydrotalcite, montmorillonite, diatomite, and alumina materials according to the above-mentioned ratio, grind them to 300 mesh by a grinder, and then add them according to the ratio. Purpose Tourmaline micropowder is mixed with water, mixed thoroughly, put into a molding machine, extruded, granulated, and granulated raw meal is obtained. The granular raw materials are first dried naturally, then moved into a horse boiling furnace and heated to 100°C for 1.5 hours; then heated to a roasting temperature of 820°C for 5 hours to obtain a functional biofilm carrier.

Embodiment 3

[0028] The functional biofilm carrier of the present invention has the following ingredient ratios: 10% of tourmaline, 5% of hydrotalcite, 15% of montmorillonite, 65% of diatomite and 5% of aluminum oxide.

[0029] The production process of the functional biofilm carrier is as follows: mix hydrotalcite, montmorillonite, diatomite, and alumina according to the above-mentioned ingredient ratio, grind them to 300 mesh, and then add tourmaline powder with a particle size of 2000 mesh according to the ratio , add water, stir and mix thoroughly, extrude, and granulate to obtain granule raw meal. Spherical granular raw material is first dried naturally, then moved into a horse boiling furnace and heated to 110°C, and kept at a constant temperature for 2 hours; then heated to a roasting temperature of 850°C, and fired for 3.5 hours to obtain a functional biofilm carrier.

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Abstract

The invention discloses a functional biologic membrane carrier, method for preparation and use thereof, wherein the carrier is prepared from (by weight percent) hydrotalcite 5-15%, montmorillonite 10-20%, aluminum oxide 5-15%, diatomite 40-70% and tourmaline 1-10% through batching, granulating, and burning for forming.

Description

technical field [0001] The invention relates to a functional biofilm carrier, its preparation method and application. Background technique [0002] With the rapid development of modern industry and the continuous increase of population, the problem of water pollution is becoming more and more serious, threatening the living environment of human beings and restricting the further development of society and economy. Therefore, protecting water resources from pollution has become a global concern. Among the currently developed wastewater treatment technologies, wastewater biological treatment has become the main means of wastewater treatment and water pollution control in countries all over the world. [0003] Biofilm wastewater treatment is the contact between wastewater and the biofilm fixed on the carrier to exchange solid and liquid phases, and use the microorganisms in the membrane to degrade the pollutants and purify the wastewater. At the same time, the microorganisms i...

Claims

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Application Information

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IPC IPC(8): C02F3/02C02F3/10
CPCY02W10/10
Inventor 夏枚生胡彩虹张红梅朱兴一姚志通
Owner ZHEJIANG UNIV
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