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Preparation method of graphene oxide/attapulgite magnetic composite material for removing propranolol in water body

A technology of magnetic composite materials and attapulgite, applied in chemical instruments and methods, water/sewage treatment, adsorption water/sewage treatment, etc., can solve the problems of poor adsorption effect, low recovery efficiency and regeneration efficiency, and achieve improved removal Effect, simple preparation process, safe and convenient operation

Inactive Publication Date: 2019-07-05
XIAN UNIV OF SCI & TECH
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the technical defects such as poor adsorption effect of natural attapulgite on propranolol and low recovery efficiency and regeneration efficiency in the prior art, and simultaneously in view of graphene oxide and attapulgite having low cost and flexibility in water treatment and environmental friendliness, etc., the present invention provides a preparation method of graphene oxide / attapulgite magnetic composite material, and the composite material is applied to the adsorption of Dean in the center of water body

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  • Preparation method of graphene oxide/attapulgite magnetic composite material for removing propranolol in water body
  • Preparation method of graphene oxide/attapulgite magnetic composite material for removing propranolol in water body
  • Preparation method of graphene oxide/attapulgite magnetic composite material for removing propranolol in water body

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preparation example Construction

[0035] The invention provides a method for preparing a magnetic composite material, in particular to a method for preparing a graphene oxide / attapulgite magnetic composite material used for removing propane in water bodies. In the invention, the graphite oxide is prepared by improving the Hummers method first, and then the composite material is prepared by mixing and reacting with the attapulgite. The prepared composite material was used as an adsorbent, and propranolol was used as the adsorption object. The experimental results showed that the composite material had efficient adsorption and removal effects. The application of this composite material to treat propranolol in water has the advantages of low price, simple operation and high adsorption rate, and has certain practical value in industrialization. The research and application of graphene oxide / attapulgite magnetic composite material provides a new water treatment idea for the field of water treatment.

[0036]The sp...

Embodiment 1

[0054] The present embodiment provides a kind of graphene oxide / attapulgite magnetic composite material (Fe 3 o 4 -GO-ATP) preparation method, comprises the following steps:

[0055] (1) Weigh 1.0g of graphite, 1.0g of potassium persulfate and 1.0g of phosphorus pentoxide, add 10mL of concentrated sulfuric acid, and stir well. Then the temperature was slowly raised to 80°C and kept for 5h. After 5 hours of constant temperature water bath, take out the beaker, add a large amount of deionized water, wash it several times until the supernatant is about 6.0, and dry the obtained solid at 60°C. Add 40mL of concentrated sulfuric acid to the solid, stir and put it in an ice-water bath, add 4.0g of potassium permanganate, and stir evenly. Then put it into a constant temperature water bath, slowly raise the temperature to 35°C, and keep it for 2h. Take out the beaker, add 100mL of deionized water into it, stir evenly, and then put it into a constant temperature water bath at 98°C f...

Embodiment 2

[0058] The technical scheme that present embodiment provides is that 0.5g attapulgite in embodiment 1 is removed, makes magnetic graphene oxide (Fe 3 o 4 -GO), other method steps are the same as in embodiment 1, and are not repeated here.

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Abstract

The invention provides a preparation method of a graphene oxide / attapulgite magnetic composite material for removing propranolol in a water body. Graphene oxide is prepared by utilizing an improved Hummers method, and then a composite material is prepared by mixing and reaction with attapulgite. The prepared composite material is taken as an adsorbent, propranolol is taken as an adsorption object,and experimental results show that the composite material has efficient adsorption and removal effects; compared with single graphene oxide, the composite material is low in production cost, and theused attapulgite is cheap and easy to obtain. The composite material applied to treat the propranolol in the water body has the advantages of being low in price, simple to operate, high in adsorptionrate, environmentally friendly, high in stability, easy to separate and the like, and has certain practical value in industrialization. The graphene oxide / attapulgite magnetic composite material has certain practical value as an adsorbent for treating cardiovascular drugs in sewage and provides a brand-new water treatment idea in the field of water treatment.

Description

technical field [0001] The invention belongs to the field of preparation of environmental functional chemical materials and new technologies for water treatment, and in particular relates to a preparation method of graphene oxide / attapulgite magnetic composite material used for removing Delan from water bodies. Background technique [0002] Propranolol, also known as propranolol, is the most common non-selective β-receptor blocker, which can be used clinically to treat hypertension, heart disease, infantile hemangioma, etc. widely used. However, according to the existing data, the retention rate of propranolol in the human body is relatively low, and most of it is excreted into the water body as the prototype. After propranolol enters the water body, it will have a great impact on the stability of the water body ecosystem and the growth of aquatic organisms, thereby endangering human health. This substance is very harmful to aquatic organisms. Most of the current research ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/12B01J20/20B01J20/30C02F1/28C02F1/48C02F101/38C02F101/34
CPCB01J20/12B01J20/20C02F1/28C02F1/488C02F2101/34C02F2101/38
Inventor 邓月华李娅妮聂文杰高翔张蕾
Owner XIAN UNIV OF SCI & TECH
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