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Polyvinyl chloride plastic garbage treatment method

A technology of plastic waste, polyvinyl chloride

Inactive Publication Date: 2016-09-21
杨芳芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the present invention is: in order to overcome the defects of the prior art and obtain a method that can effectively treat waste containing polyvinyl chloride without causing secondary pollution, the present invention provides a polyvinyl chloride plastic waste Approach

Method used

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  • Polyvinyl chloride plastic garbage treatment method

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Embodiment 1

[0018] A method for treating polyvinyl chloride plastic waste, comprising the following steps:

[0019] (1) The first stage: the PVC plastic waste is sent to the fluidized bed, and the fluidized air volume is 1.3Nm 3 / h, the gasification temperature is 230°C, the reaction is 35 minutes, and the adsorbent A is added during the gasification process; in parts by weight, the adsorbent A is composed of the following components in proportion by weight: 12 parts of aluminum hydroxide , 8 parts of silica sol, 6 parts of gelatin, 3 parts of sodium bicarbonate, 6 parts of copper chloride, 7 parts of calcium carbonate, 9 parts of borate coupling agent;

[0020] (2) The second stage: raise the temperature of the fluidized bed to 385°C, and the fluidizing air volume is 1.7Nm 3 / h, reacted for 26 minutes, and added adsorbent B during the gasification process; in parts by weight, the adsorbent B was composed of the following components in proportions by weight: 3 parts of sodium carbonate, ...

Embodiment 2

[0024] A method for treating polyvinyl chloride plastic waste, comprising the following steps:

[0025] (1) The first stage: the PVC plastic waste is sent to the fluidized bed, and the fluidized air volume is 2.3Nm 3 / h, the gasification temperature is 320°C, the reaction is 42 minutes, and the adsorbent A is added during the gasification process; in parts by weight, the adsorbent A is composed of the following components in proportion by weight: 21 parts of aluminum hydroxide , 17 parts of silica sol, 12 parts of gelatin, 9 parts of sodium bicarbonate, 14 parts of copper chloride, 11 parts of calcium carbonate, 18 parts of borate coupling agent;

[0026] (2) The second stage: raise the temperature of the fluidized bed to 520°C, and the fluidizing air volume is 2.2Nm 3 / h, reacted for 37 minutes, and added adsorbent B during the gasification process; in parts by weight, the adsorbent B was composed of the following components in proportions by weight: 7 parts of sodium carbon...

Embodiment 3

[0030] A method for treating polyvinyl chloride plastic waste, comprising the following steps:

[0031] (1) The first stage: the PVC plastic waste is sent to the fluidized bed, and the fluidized air volume is 2.9Nm 3 / h, the gasification temperature is 380°C, the reaction is 55 minutes, and the adsorbent A is added during the gasification process; in parts by weight, the adsorbent A is composed of the following components in proportion by weight: 25 parts of aluminum hydroxide , 22 parts of silica sol, 15 parts of gelatin, 12 parts of sodium bicarbonate, 18 parts of copper chloride, 14 parts of calcium carbonate, 21 parts of borate coupling agent;

[0032] (2) The second stage: raise the temperature of the fluidized bed to 565°C, and the fluidizing air volume is 2.6Nm 3 / h, reacted for 45 minutes, and added adsorbent B during the gasification process; in parts by weight, the adsorbent B was composed of the following components in proportions by weight: 11 parts of sodium carb...

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Abstract

The invention discloses a polyvinyl chloride plastic garbage treatment method, which comprises four stages of processing in a fluidized bed, wherein adsorbents are combined to use in the first stage and the second stage. Compared with the prior art, the garbage treatment method provided by the invention combines a fluidized bed technology and an adsorption technology to treat polyvinyl chloride plastics, and has the advantages of high treatment efficiency and capability of avoiding secondary pollution.

Description

technical field [0001] The invention belongs to the field of environmental protection and relates to a method for treating garbage, in particular to a method for treating polyvinyl chloride plastic garbage by combining a fluidized bed and an adsorption method. Background technique [0002] As a new type of material, plastic products have the advantages of light weight, waterproof, durable, mature production technology, and low cost. With the rapid development of petrochemical and plastic processing industries, a large number of plastics and their products have entered daily life. In 1992, my country's plastic consumption was 5.7 million tons. In 1995, the national consumption of plastic products reached 11 million tons. In 1996, it reached more than 12 million tons. The annual consumption is still growing at a rate of 14% per year. Now my country is one of the world's top ten producers of plastic products, and it is also the world's largest consumer of plastic materials. ...

Claims

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Application Information

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IPC IPC(8): F23G5/30B01D53/02
CPCB01D53/02B01D2257/2045B01D2257/502B01D2258/0291F23G5/30
Inventor 胡运冲
Owner 杨芳芳