Bamboo charcoal-based microelectrolysis porous ceramsite filler and preparing method thereof

A porous pottery and micro-electrolysis technology, which is applied in the field of environment-friendly materials and water treatment, can solve problems such as electrolysis cannot be carried out normally, water cannot pass through evenly, and the surrounding fillers are easy to fall off, etc., so as to improve the wastewater treatment effect and ensure long-term stable operation , high water absorption and the effect of specific surface area

Active Publication Date: 2014-08-27
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the close physical contact between iron and carbon, it is easy to form an isolation layer so that the electrolysis cannot be carried out normally.
In addition, the long-term use ...

Method used

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  • Bamboo charcoal-based microelectrolysis porous ceramsite filler and preparing method thereof
  • Bamboo charcoal-based microelectrolysis porous ceramsite filler and preparing method thereof
  • Bamboo charcoal-based microelectrolysis porous ceramsite filler and preparing method thereof

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preparation example Construction

[0060] The preparation method comprises the following steps:

[0061] (1) Mix iron powder, bamboo powder, clay, activator, catalyst, pore-forming agent and binder, control the total moisture content of the green body to 25% to 40%, put the green body into the pelletizer to form ball;

[0062] (2) Put it in a muffle furnace for calcination, and pass through nitrogen protection, heat up to 150-250°C, pre-activate carbonization for 30-60 minutes, then continue to heat up to 500-800°C, keep it warm for 1-2 hours, and then cool down naturally to room temperature to prepare bamboo charcoal-based micro-electrolytic porous ceramsite filler.

Embodiment 1

[0064] 1. Preparation of raw materials

[0065] Bamboo chips are dried at 80°C and then finely crushed and passed through a 100-mesh sieve.

[0066] 2. Raw materials and dosage

[0067] Iron powder 40 parts

[0068] 10 parts of bamboo powder

[0069] 30 parts of clay

[0070] Activator 2 parts

[0071] Catalyst 3 parts

[0072] Pore ​​builder 5 parts

[0073] 10 parts of binder

[0074] 3. Process

[0075] Mix the above raw materials evenly, select the corresponding template, and put it into the pelletizing machine to form balls. The prepared raw pellets were calcined in a muffle furnace and protected by nitrogen gas. Raise the temperature to 150°C and activate for 30 minutes, then continue to raise the temperature to 500°C and keep the temperature for 2 hours. Let it cool down to room temperature naturally, take it out and save it. The finished product has a rough surface and is a black spherical body.

[0076] The activator is a mixture of phosphoric acid and zin...

Embodiment 2

[0081] 1. Preparation of raw materials

[0082] Bamboo chips are dried at 90°C and then finely crushed and passed through a 100-mesh sieve.

[0083] 2. Raw materials and dosage

[0084] Iron powder 30 parts

[0085] 10 parts of bamboo powder

[0086] 20 parts clay

[0087] Activator 4 parts

[0088] Catalyst 1 part

[0089] Pore ​​builder 5 parts

[0090] 10 parts of binder

[0091] 3. Process

[0092] Mix the above raw materials evenly, select the corresponding template, and put it into the pelletizing machine to form balls. The prepared raw pellets were calcined in a muffle furnace and protected by nitrogen gas. Raise the temperature to 160°C, activate for 35 minutes, then continue to raise the temperature to 600°C, and keep the temperature for 2 hours. Let it cool down to room temperature naturally, take it out and save it. The finished product has a rough surface and is a black spherical body.

[0093] The activator is zinc chloride.

[0094] The catalyst is a...

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Abstract

The invention provides bamboo charcoal-based microelectrolysis porous ceramsite filler and the preparing method thereof. According to the filler, iron serves as the anode, carbon serves as the cathode, and the cathode carbon is made from bamboo powder. According to the preparing process, activation and carbonization of bamboo powder are integrated, bamboo powder also plays a role in partial pore forming, the filler is of a porous honeycomb ball-shaped structure, the grain size is 1 mm - 15 mm, water absorption is 20% - 45%, and the specific surface area is 30 m<2>/g - 60 m<2>/g; iron powder, bamboo powder, clay, activating agents, catalysts, pore-forming agents and binding agents are mixed evenly to form a ball, the ball is placed in a muffle furnace to be roasted, nitrogen is introduced into the muffle furnace for protection, the temperature is increased to 150 DEG C - 250 DEG C, pre-activation and pre-carbonization are conducted for 30 min - 60 min, then the temperature is increased continuously to 500 DEG C - 800 DEG C, heat preservation is conducted for 1 h - 3 h, then the temperature is naturally reduced to the indoor temperature, and finally the bamboo charcoal-based microelectrolysis porous ceramsite filler is obtained. According to the bamboo charcoal-based microelectrolysis porous ceramsite filler and the preparing method thereof, raw materials are environmentally friendly and easy to obtain, the preparing technology is simple, the filler has a good effect in sewage treatment and is suitable for heavy metal and dye sewage treatment, and the problems such as poor recycling property of traditional filler can be solved.

Description

technical field [0001] The invention belongs to the fields of water treatment and environment-friendly materials, and in particular relates to a bamboo charcoal-based micro-electrolysis porous ceramsite filler and a preparation method thereof. Background technique [0002] Porous ceramics are a type of ceramic material with pores as the main phase. With the continuous improvement of the pore structure level of the control material, porous ceramics have excellent characteristics compared with glass fibers and metals: uniform distribution of pores, high mechanical strength and Ease of regeneration etc. The performance of porous ceramic materials is determined by the surface chemical properties, physicochemical properties and size characteristics of the micropores. In amorphous oxides, the presence or absence and amount of some active groups on the surface have a great impact on the surface properties. The enzyme carrier uses the siloxol groups on the surface to make the enzym...

Claims

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Application Information

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IPC IPC(8): C02F1/461
Inventor 刘明华陈怡悦林晓杰卞琼刘以凡
Owner FUZHOU UNIV
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