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Method for preparing lead ion adsorbing agent

An adsorbent and lead ion technology, applied in the field of preparing lead ion adsorbents, to achieve the effects of expanding the industrial chain, fast reproduction and high adsorption efficiency

Inactive Publication Date: 2016-12-07
广西南宁桂尔创环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems existing in the existing adsorbents, the present invention provides a lead ion adsorbent with large specific surface area, large adsorption capacity, high adsorption efficiency, low cost, simple preparation process, safety and environmental protection

Method used

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  • Method for preparing lead ion adsorbing agent

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Effect test

Embodiment 1

[0030] A method for preparing lead ion adsorbent, the specific operation steps are as follows:

[0031] (1) Crush 100kg of bagasse to 40 mesh, add 5mol / L sodium hydroxide solution to soak for 5 hours, then wash the bagasse with water until neutral to obtain bagasse cellulose; add 10kg of acrylic acid horseradish to the bagasse cellulose To the anhydride copolymer, add 100kg of water, mix evenly, and dry at 60°C for 3 hours to obtain modified bagasse;

[0032] (2) Take 50 kg of sargassum powder and 8 kg of thiourea and add them to an ultrasonic mixer, then add 80 kg of water and conduct an ultrasonic reaction for 30 minutes at an ultrasonic frequency of 40 kHz, place the reacted paste in an oven at 80° C. for heating and drying for 2 hours to obtain Modified sage algae powder;

[0033] (3) Add the above-mentioned modified bagasse and modified sargassum powder to the agitator, add 4 kg of cerium sulfate solution and 12 kg of starch, then add water and adjust it into a paste, pu...

Embodiment 2

[0035] A method for preparing lead ion adsorbent, the specific operation steps are as follows:

[0036] (1) Crush 100kg of bagasse to 40 mesh, add 3mol / L sodium hydroxide solution to soak for 6h, then wash the bagasse with water until neutral to obtain bagasse cellulose; To the anhydride copolymer, add 120kg of water, mix evenly, and dry at 80°C for 2 hours to obtain modified bagasse;

[0037] (2) Get 40kg of sargassum powder and 5kg of thiourea into an ultrasonic mixer, then add 100kg of water to ultrasonically react for 20min at an ultrasonic frequency of 50kHz, place the reacted paste in an oven at 100°C for heating and drying for 1h, and obtain Modified sage algae powder;

[0038] (3) Add the above-mentioned modified bagasse and modified sargassum powder to the agitator, add 5 kg of cerium sulfate solution and 10 kg of starch, then add water and adjust it into a paste, put the paste into a microwave heating device, and put it into a microwave heating device at a power of ...

Embodiment 3

[0040] A method for preparing lead ion adsorbent, the specific operation steps are as follows:

[0041] (1) Crush 100kg of bagasse to 60 mesh, add 5mol / L sodium hydroxide solution to soak for 4 hours, then wash the bagasse with water until neutral to obtain bagasse cellulose; add 10kg of acrylic acid horseradish to the bagasse cellulose To the anhydride copolymer, add 150kg of water, mix evenly, and dry at a temperature of 70°C for 3 hours to obtain modified bagasse;

[0042] (2) Take 60 kg of sargassum powder and 10 kg of thiourea and add them to an ultrasonic stirrer, then add 100 kg of water and conduct an ultrasonic reaction at an ultrasonic frequency of 60 kHz for 15 minutes, and place the reacted paste in an oven at 90° C. to heat and dry for 1.5 hours. Obtain modified sargassum powder;

[0043] (3) Add the above-mentioned modified bagasse and modified sargassum powder to the agitator, add 3 kg of cerium sulfate solution and 15 kg of starch, then add water and adjust it...

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Abstract

The invention discloses a method for preparing a lead ion adsorbing agent. The method includes the steps: smashing bagasse, adding sodium hydroxide solution into smashed bagasse, soaking the smashed bagasse, washing the soaked bagasse with water to be neutral to obtain bagasse cellulose, adding acrylic acid-maleic anhydride copolymer into the bagasse cellulose and modifying the bagasse cellulose to obtain modified bagasse; adding sargassum thunbergii powder and thiourea into an ultrasonic mixer, adding an appropriate amount of water into the mixer, performing ultrasonic reaction and placing reacted paste into a baking oven for heating and drying to obtain modified sargassum thunbergii powder; adding the modified bagasse and the modified sargassum thunbergii powder into the mixer, adding ceric ammonium nitrate solution and starch into the mixer, adding water into the mixer, blending the mixture into paste, placing the paste into a microwave heating device, cooling the heated paste to the room temperature and grinding the cooled paste to obtain the lead ion adsorbing agent. The prepared adsorbing agent has the advantages of extensive raw material source, low cost, large specific surface area, high adsorption capacity and adsorption efficiency, simple preparation process, environmental protection, easiness in degradation, excellent lead ion adsorption performance, wide market prospects in wastewater treatment and the like.

Description

technical field [0001] The invention relates to the technical field of adsorbent materials, in particular to a method for preparing a lead ion adsorbent. Background technique [0002] In recent years, with the development of the heavy metal industry and the arbitrary discharge of heavy metal wastewater without treatment, the content of heavy metal ions in natural water bodies has increased, and water pollution incidents have occurred frequently. Heavy metals are one of the important causes of environmental pollution. When heavy metals enter the environment, they cannot be biodegraded into harmless substances. At the same time, suspended particles in the water absorb and precipitate heavy metal ions, making the water polluted by heavy metals for a long time. And so it came about. What's more, the heavy metals that exist in living organisms are accumulated and enriched, and they also participate in the cycle of the biosphere, endangering human health, and are a type of pollut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28B01J20/30B01J20/24C02F101/20
CPCC02F1/28B01J20/0285B01J20/22B01J20/24B01J20/264C02F2101/20
Inventor 凌雪木
Owner 广西南宁桂尔创环保科技有限公司
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