Method for preparing water purifier by using composite modified rice husk

A technology of compound modification and water purifying agent, which is applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of waste of resources, low production cost and underutilization, etc. To achieve the effect of improving efficiency and low production cost

Inactive Publication Date: 2016-01-13
雷春生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problems mainly solved by the present invention are as follows: at present, rice husk resources are abundant in our country, but they are not fully utilized, resulting in waste of resources. At the same time, traditional water purifiers have residues in the water purification process, which affects human health, and the production cost is high. The present invention provides a method for preparing a water purifying agent by compounding modified rice husks. First, the rice husks are mixed with ammonium carbonate and water, and then the rice husks are puffed under high temperature and pressure, and then the puffed The rice husk is mixed with chlorine dioxide, preliminarily modified under the irradiation of a xenon lamp, and then put into a carbonization furnace for carbonization, and then the carbonized modified rice husk is biomodified to obtain a low-cost, non-toxic any residual water purifier

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0020] Take 2kg of rice husk, wash its surface impurities with water, put it into an air dryer for air drying, then put it into a container, add 800g of ammonium carbonate and 800mL of distilled water to the container, stir well, and then put the stirred Put the mixture into an extruder to extrude, and extrude into blocks to obtain a block; put the block obtained above into a high-temperature and high-pressure box, set the pressure to 1MPa, and set the initial temperature to 30°C. Heating at a heating rate of 3°C / min. After the lumps become completely loose, stop heating, keep the temperature for 20 minutes, then cool down to room temperature, and release the pressure to standard atmospheric pressure to obtain preliminary modified rice husks; Take out the preliminary modified rice husk from the high-temperature and high-pressure box, put it into a container, add 300mL of 2100mg / L chlorine dioxide aqueous solution to it, stir for 5 minutes, then add a 30% hydrochloric acid solut...

example 2

[0023] Take 3kg of rice husk, wash its surface impurities with water, put it into an air dryer for air drying, then put it into a container, add 1100g of ammonium carbonate and 900mL of distilled water to the container, stir evenly, and then put the stirred Put the mixture into an extruder to extrude, and extrude into blocks to obtain a block; put the block obtained above into a high-temperature and high-pressure box, set the pressure to 3MPa, and set the initial temperature to 35°C. Heating at a heating rate of 3°C / min. After the lumps become completely loose, stop heating, keep the temperature for 30 minutes, then cool down to room temperature, and release the pressure to standard atmospheric pressure to obtain preliminary modified rice husks; Take out the preliminary modified rice husk from the high-temperature and high-pressure box, put it into a container, add 600mL of 3000mg / L chlorine dioxide aqueous solution to it, stir for 10 minutes, and then add a 50% hydrochloric ac...

example 3

[0026] Take 3kg of rice husk, wash its surface impurities with water, put it into an air dryer for air-drying, then put it into a container, add 1000g of ammonium carbonate and 850mL of distilled water to the container, stir well, and then put the stirred Put the mixture into an extruder to extrude, and extrude into blocks to obtain a block; put the block obtained above into a high-temperature and high-pressure box, set the pressure to 2MPa, and set the initial temperature to 32°C. Heating at a heating rate of 3°C / min. After the lumps become completely loose, stop heating, keep the temperature for 25 minutes, then cool down to room temperature, and release the pressure to standard atmospheric pressure to obtain preliminary modified rice husks; Take out the preliminary modified rice husk from the high-temperature and high-pressure box, put it into a container, add 500mL of 2500mg / L chlorine dioxide aqueous solution to it, stir for 8 minutes, then add a 40% hydrochloric acid solu...

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PUM

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Abstract

The invention discloses a method for preparing a water purifier by using composite modified rice husk, belongs to the field of waste utilization, and aims at the situation that at present the rice husk resource which is rich in China but is not sufficiently utilized is wasted, and meanwhile a conventional water purifier has residues in the water purification process so that the human body health can be affected, and the preparation cost is high. The method comprises the following steps: firstly, mixing rice husk with ammonium carbonate and water, puffing the rice husk at high temperature and high pressure, further mixing the puffed rice husk with chlorine dioxide, performing primary modification under radiation of xenon lamps, carbonizing in a carbonizing furnace, and performing biological modification on the carbonized modified rice husk, thereby obtaining the water purifier which is low in preparation cost and free of residue.

Description

technical field [0001] The invention discloses a method for preparing a water purifier by compounding modified rice husks, and belongs to the field of waste utilization. Background technique [0002] Rice husk charcoal refers to the product of rice husk carbonization, the main components are carbon and silica, and most of them are charcoal; rice husk ash is gray-white silica with many impurities. Rice husk is one of the main by-products of the rice milling industry, accounting for about 20% of the mass of rice. The world produces about 400 million tons of rice every year, and produces more than 80 million tons of rice husks. The output of rice in my country is 180 million tons, and the by-product rice husk is nearly 38 million tons. Effective use of rice husk and other by-products of rice processing can be used for deep processing of agricultural and sideline products in my country, turning agricultural fiber waste into treasure, and reducing environmental pollution. has pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00
Inventor 雷春生宋国
Owner 雷春生
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