A system and method for nanoparticle supercritical hydrothermal synthesis of three wastes and zero discharge
A technology of supercritical water and nano particles, which is applied in the direction of nanotechnology, nanotechnology, nanotechnology, etc. for materials and surface science. It can solve the problems of reducing operating costs and equipment investment, so as to save gas consumption and reduce production. Cost, the effect of saving operating costs
Active Publication Date: 2021-02-09
XI AN JIAOTONG UNIV
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Problems solved by technology
The supercritical hydrothermal synthesis system and the supercritical water oxidation system share public facilities, effectively reducing equipment investment; passing a variety of gases generated by the supercritical hydrothermal synthesis device into the heating furnace of the supercritical water oxidation system to generate supercritical water The oxidation system provides energy and solves the problem of waste gas treatment; the waste water generated by the supercritical hydrothermal synthesis system is thoroughly treated through the supercritical water oxidation device, and the treated water re-enters the supercritical hydrothermal synthesis device to achieve zero discharge of waste water. Reduce operating costs
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[0042] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.
[0043] see figure 1 , a three-waste and zero-emission nanoparticle supercritical hydrothermal synthesis system of the present invention includes a supercritical hydrothermal synthesis main system, a supercritical water oxidation auxiliary system and a cooling water system.
[0044] The supercritical hydrothermal synthesis system includes a preparation water storage tank 1, which has three outlets, and the preparation water is transported to the ligand preparation tank 4, the raw material preparation tank 9 and the raw material buffer tank 10 through the preparation water pump respectively. The ligand blending tank 4 also has an inlet, which originates from the ligand storage tank 2, and the organic ligand is transported to the ligand blending tank 4 through the ligand pump 3 for dilution to t...
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The invention discloses a nanoparticle supercritical hydrothermal synthesis system with three wastes and zero discharge, and also provides a method for realizing three wastes and zero discharge of nanoparticle supercritical hydrothermal synthesis based on the system. The supercritical hydrothermal synthesis main system and the supercritical water oxidation auxiliary system are effectively coupled, and the public facilities are shared by the supercritical hydrothermal synthesis main system and the supercritical water oxidation auxiliary system, which effectively reduces equipment investment; A variety of combustible gases generated by the system are fed into the heating furnace of the supercritical water oxidation auxiliary system to provide energy for the supercritical water oxidation auxiliary system and solve the problem of waste gas treatment; through the supercritical water oxidation auxiliary system, the supercritical hydrothermal synthesis main The wastewater generated by the system is thoroughly treated, and the treated water re-enters the main supercritical hydrothermal synthesis system to achieve zero discharge of wastewater and reduce operating costs.
Description
technical field [0001] The invention belongs to the technical field of chemical industry and environmental protection, and in particular relates to a nanoparticle supercritical hydrothermal synthesis system and method of three wastes and zero discharge. Background technique [0002] Nanotechnology has an important strategic position in the industrial revolution in the 21st century. Its rapid development has caused revolutionary changes in almost all industrial fields. It is the most important and most promising frontier technology in the 21st century. Compared with ordinary powders, nanomaterials have superior properties, such as large specific surface area, interface effects, quantum effects and quantum tunneling effects, etc., endowing them with unique properties and specific electrical, thermal, magnetic, optical and mechanical properties. , are widely used in various fields. Traditional methods for preparing nanopowders can be divided into two categories: physical metho...
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IPC IPC(8): B01D53/78C02F1/72B22F9/24B82Y40/00B82Y30/00C02F103/34C02F101/30
CPCB01D53/78B22F9/24B82Y30/00B33Y40/00C02F1/72C02F2101/30C02F2103/34
Inventor 王树众杨健乔刘璐张熠姝张宝权杨闯
Owner XI AN JIAOTONG UNIV