Composite cement-based adsorption material and preparation method thereof

An adsorption material and composite cement technology, applied in chemical instruments and methods, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., to achieve the effects of fast adsorption rate, improved adsorption efficiency, and improved adsorption rate

Active Publication Date: 2018-12-18
TAIYUAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Composite cement-based adsorption material and preparation method thereof

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Embodiment 1

[0036] A composite cement-based adsorption material operates according to the following steps:

[0037] 1) Ingredients: Carboxylated graphene oxide, vitrified microbeads, sodium dodecylbenzenesulfonate foaming agent, polycarboxylate water reducer, rosin air-entraining agent, cement, sand and water according to the weight ratio = 210:40:0.6:3.5:2.5:630:16:220 Accurately weigh and place in categories.

[0038] 2) Dispersion: adding carboxylated graphene oxide into water, and ultrasonically treating it for 30 minutes to obtain a carboxylated graphene oxide dispersion.

[0039] 3) Inhalation: immerse the vitrified microbeads in the carboxylated graphene oxide dispersion for 3 hours, stir at a constant speed for 50 seconds, and steam them in a steam room at 90°C for 2 hours. Immerse in the carboxylated graphene oxide dispersion for the first time for 3 hours, stir at a constant speed for 60 seconds, steam in a steam curing room at 90°C for 2 hours, and then place the vitrified mic...

Embodiment 2

[0046] A composite cement-based adsorption material operates according to the following steps:

[0047] 1) Ingredients: Carboxylated graphene oxide, vitrified microbeads, fatty alcohol polyoxyethylene ether sodium sulfate foaming agent, polycarboxylate water reducer, saponin air-entraining agent, cement, sand and water according to the weight ratio =200:60:0.5:5:3:600:10:200 Accurately weigh, classify and place.

[0048] 2) Dispersion: adding carboxylated graphene oxide into water, and ultrasonically treating it for 40 minutes to obtain a carboxylated graphene oxide dispersion.

[0049] 3) Inhalation: Immerse the vitrified microbeads in the carboxylated graphene oxide dispersion for 5 hours, stir at a constant speed for 30 seconds, and steam them in a steam room at 80°C for 3 hours, and put the steamed vitrified microbeads for a second time. Immerse in the carboxylated graphene oxide dispersion for the first time for 5 hours, stir at a constant speed for 30 seconds, steam in ...

Embodiment 3

[0056] A composite cement-based adsorption material operates according to the following steps:

[0057] 1) Ingredients: Carboxylated graphene oxide, vitrified microbeads, sodium lauryl sulfate foaming agent, polycarboxylate water reducer, rosin air-entraining agent, cement, sand and water according to the weight ratio = 240: 30:0.8:3:2:650:18:230 Accurately weigh and place in categories.

[0058] 2) Dispersion: adding carboxylated graphene oxide into water, and ultrasonically treating it for 35 minutes to obtain a carboxylated graphene oxide dispersion.

[0059] 3) Inhalation: immerse the vitrified microbeads in the carboxylated graphene oxide dispersion for 4 hours, stir at a constant speed for 40 seconds, and steam for 2.5 hours in a steam-curing room at 85°C. Immerse in the carboxylated graphene oxide dispersion for the first time for 4 hours, stir at a constant speed for 30 seconds, steam in a steam curing room at 90°C for 3 hours, and then place the vitrified microbeads ...

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Abstract

The invention discloses a composite cement-based adsorption material and a preparation method thereof and relates to the technical field of sewage treatment. The composite cement-based adsorption material is prepared from the following raw materials in parts by weight: 200 to 240 parts of carboxylated graphene oxide, 30 to 60 parts of vitrified microspheres, 0.5 to 0.8 part of a foaming agent, 3 to 5 parts of a water reducing agent, 2 to 3 parts of an air entraining agent, 600 to 650 parts of cement and 10 to 18 parts of sand; the preparation method comprises the following steps: fully fillingthe carboxylated graphene oxide into the vitrified microspheres through dispersion and suction; then stirring, foaming, curing and drying to obtain the cement-based adsorption material. The compositecement-based adsorption material prepared by the invention can sufficiently utilize structure characteristics of combined carboxylated graphene oxide and vitrified microspheres, and has good properties of strong adsorption property, good mechanical properties, high strength, durability and good permeability resistance; the material can be used for effectively adsorbing metal ions in sewage and can be widely applied to places which are in direct contact with industrial wastewater, such as blowdown pipelines and wastewater treatment tanks.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a composite cement-based adsorption material which can be used to adsorb metal ions in industrial sewage and a preparation method thereof. Background technique [0002] With the rapid development of the industrial field, environmental problems have become a major factor hindering my country's economic development and social construction, and water pollution is an important factor affecting environmental problems. According to statistics, industrial sewage accounts for 70% of water pollution, and the concentration of harmful and toxic metal ions in sewage is high, causing great harm. In recent years, the country is relatively lagging behind in the treatment of industrial sewage. Therefore, the immediate treatment of industrial wastewater is imminent. [0003] At present, the commonly used industrial sewage treatment methods include physical and chemical methods, advance...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B38/08C04B38/10C04B20/02B01J20/26B01J20/30C02F1/28C04B14/02C02F101/20
CPCB01J20/04B01J20/103B01J20/106B01J20/205B01J20/22B01J20/26C02F1/288C02F2101/20C04B20/023C04B28/04C04B2111/00017C04B2111/00784C04B18/027C04B14/06C04B24/20C04B2103/302C04B24/34C04B14/024C04B38/10
Inventor 张玉柴磊磊赵晖马钢张家广刘元珍李珠
Owner TAIYUAN UNIV OF TECH
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