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Modified glauconite, and preparation method and applications thereof

A glauconite, modification technology, applied in the direction of chemical instruments and methods, other chemical processes, silicates, etc.

Inactive Publication Date: 2018-09-14
崔凡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are two opposing concepts about the effectiveness and ineffectiveness of magnetization treatment in pulp flotation.

Method used

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  • Modified glauconite, and preparation method and applications thereof
  • Modified glauconite, and preparation method and applications thereof
  • Modified glauconite, and preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Add 1,2,4,5-benzenetetramine tetrahydrochloride (20mmol), 100mL glacial acetic acid and sodium acetate (40mmol) into the reaction vessel, stir, and slowly add dihydrochloride dissolved in 50 ml of glacial acetic acid Demethoxycurcumin (41mmol), reflux reaction, TLC monitoring reaction. After the reaction was complete, cool to room temperature and wash with saturated NaHCO 3 The solution was adjusted to pH about 8, extracted three times with dichloromethane, the organic layers were combined, MgSO 4 After drying and recrystallization from absolute ethanol, the compound of the following formula was obtained as a yellow powder solid with a yield of 76%.

[0067]

[0068] 1 H NMR (400MHz,DMSO)δ9.68(s,OH,4H),7.64(d,H,4H),7.45(s,CH,8H),6.95(d,H,4H),6.75(s,CH ,2H),6.59(d,H,8H),2.97(s,CH 2 ,4H).

Embodiment 2

[0070] The compound described in Example 1 (5 mmol), benzoyl chloride (21 mmol) and toluene solution (100 mL) were sequentially added to a dry reaction vessel. Stirring, reflux reaction, TLC monitoring reaction until the end. After cooling to room temperature, the reaction system was poured into an ice-water system, filtered with suction, the solid was recrystallized with ethanol, and dried to obtain the following compound as a flaky white solid with a yield of 62%.

[0071]

[0072] 1 H NMR (400MHz,DMSO)δ8.16(t,CH,8H),7.72(t,CH,4H),7.69(m,CH,8H),7.64(d,H,4H),7.62(m,CH ,8H),7.36(m,CH,8H),6.95(d,H,4H),6.75(s,CH,2H),2.97(s,CH 2 ,4H).

Embodiment 3

[0074] Using the reaction steps and conditions similar to Example 2, replacing benzoyl chloride with the corresponding raw material of acetyl chloride, the following compounds were prepared with a yield of 66%.

[0075]

[0076] 1 H NMR (400MHz,DMSO)δ7.64(d,H,4H),7.62(t,CH,8H),7.28(d,CH,8H),6.95(d,H,4H),6.75(s,CH ,2H),2.31(s,4CH 3 ,12H),2.97(s,CH 2 ,4H).

[0077] The preparation embodiment of modified glauconite

[0078] Heat 50kg of glauconite raw sand at about 350°C by microwave, crush it on a roller crusher, and remove dust. Then, under different magnetic field induction intensities, the samples were magnetically separated on a roller magnetic separator by leak weighing. At the same time, under the higher induction intensity, the next step is to sort the non-magnetic products with low induction intensity.

[0079] The material was crushed in a roll crusher to sieve the sample material with a particle size of less than 0.5 mm. Materials with a particle size greater...

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Abstract

The invention relates to a modified glauconite, and a preparation method and applications thereof. The modified glauconite is obtained through steps of heating, crushing, dedusting, and magnetic selection. The modified glauconite is taken as a main component in sewage treatment, and the sewage treatment effect of the modified glauconite is better than that of glauconite raw sand.

Description

technical field [0001] The invention relates to a water treatment agent for heavy metal pollutants, in particular to a heavy metal pollutant treatment agent containing modified glauconite and a compound that catalyzes its adsorption. Background technique [0002] The deteriorating social environment has brought great pressure to the city. In order to realize the sustainable development of the city, the sustainable development strategy has been put forward. Especially in the treatment of urban domestic sewage, strengthen the technical treatment of urban domestic sewage and improve the utilization efficiency of water resources. Sewage treatment has become the focus of urban water resources governance, and it is also an important part of the urbanization process. It is not only directly related to people's domestic water problems, but also has an inseparable relationship with urban environmental governance. [0003] Since the 1960s, the former Soviet Union, the United States,...

Claims

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Application Information

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IPC IPC(8): B01J20/16B01J20/30C02F1/00C02F1/28C02F1/62
CPCB01J20/165C02F1/00C02F1/281C02F1/62
Inventor 崔凡米哈依留克·亚历山大列夫琴科·米哈伊尔
Owner 崔凡
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