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Method for researching seawater desalination with hydroxyl functionalized single-layer film material

A technology for hydroxyl-functional, thin-film materials, with applications in chemical instruments and methods, seawater treatment, general water supply conservation, etc.

Active Publication Date: 2020-08-25
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

On the other hand, two-dimensional materials with natural regular pore structure are also potential seawater desalination materials, such as two-dimensional material graphyne with regular large pores and two-dimensional covalent organic framework (Two-Dimensional CovalentOrganic Framework, 2D-COF), However, so far no

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[0019] The technical solution of the present invention is described in further detail below: the present embodiment is implemented under the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection authority of the present invention is not limited to the following the embodiment.

[0020] This example proposes a research method for seawater desalination of a hydroxyl-functionalized single-layer film material, which includes the following steps:

[0021] S1. The seawater is transported to a standing process and a filtering process through a water pump, and the seawater is subjected to standing and filtering in sequence. The static process is to pump seawater into the static pool for 2-5 hours, and the static pool is a cement pool or a water storage tank. Filtration process is carried out after standing sea water. The filtration process uses water pipes with filters at bot...

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Abstract

The invention provides a method for researching seawater desalination with a hydroxyl functionalized single-layer film material. The method comprises the following steps: after standing and filteringof seawater, constructing a relationship of GO original structure, group modification construction of single-layer structures with different charged properties, modification density adjustment and construction of single-layer GO with different surface structures and construction of few-layer structures; constructing a relationship of graphdiyne or 2D-COF original structure, cavity adjustment and construction of single-layer structures with different cavity sizes, group modification construction of single-layer structures with different electrification properties and construction few-layer structures; carrying out molecular dynamics simulation on each component in the seawater; and constructing a relation model of seawater component, pore structures, microcosmic desalination mechanisms andmacroscopic desalination performances. By researching and revealing the internal mechanism of graphene-like seawater desalination, a theoretical basis is provided for the design of a novel desalination material.

Description

technical field [0001] The invention relates to a research method for seawater desalination of a hydroxyl functionalized single-layer film material. Background technique [0002] The fresh water resources commonly used by human beings only account for 7 / 100,000 of the world's total water. Coupled with the pollution and waste caused by irrational use, the world is currently facing a serious shortage of fresh water. With the development of economy and the increase of population, the contradiction between the increase of demand for fresh water and the shortage of reserves becomes more prominent. Therefore, the development and protection of fresh water resources is a serious problem facing the world. At present, the main ways of freshwater development are seawater desalination (removal of harmful salt ions and other components in seawater, also known as seawater desalination), sewage treatment and its recycling. Since seawater accounts for 97% of global water reserves, seawate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02C02F1/28C02F101/10C02F103/08
CPCC02F9/00C02F1/283C02F1/00C02F2001/007C02F2103/08C02F2101/10Y02A20/131
Inventor 王允辉杜闯金若雯李晨光
Owner NANJING UNIV OF POSTS & TELECOMM
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