种Ag/TiO-N可见光催化剂及其超临界醇热制备方法和应用

• Format: Patent
• Language: Chinese
• Published: 29.06.2018
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; FISHING; FORESTRY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HUMAN NECESSITIES; HUNTING; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; METALLURGY; NANOTECHNOLOGY; PERFORMING OPERATIONS; PEST REPELLANTS OR ATTRACTANTS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR RELEVANT APPARATUS; TRANSPORTING; TRAPPING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

本发明公开了种Ag/TiO-N可见光催化剂，二氧化钛晶型为纯相锐钛矿相，粒子尺寸2.0-3.0μm，比表面积为140～169m/g。本发明还公开了其制备方法，包括以下步骤：(1)、TiO纳米粒子的制备；(2)、Ag/TiO-N可见光催化剂的制备。种可见光响应光催化剂在制备光催化有机污染物降解剂和抑菌杀菌剂中的应用。本发明与现有技术相比，本发明的制备方法所用原料简单易得，制备方法简便易行，制备的微米球状Ag/TiO-N可见光响应光催化剂Ag纳米粒子在TiO表面分布均匀、载流子复合率低、光催化活性高、稳定性好，同时制备过程无需添加还原剂，避免了污染性副产物的产生并降低了成本。 The invention discloses an Ag/TiO2-N visible-light catalyst. A titanium dioxide crystal form is of a pure anatase phase; a particle size is 2.0 [mu]m to 3.0 [mu]m; and a specific surface area is 140 to 169 m2/g. The invention also discloses a preparation method for the Ag/TiO2-N visible-light catalyst. The method comprises the following steps: (1) preparation of TiO2 nanometer particles; and (2) preparation of the Ag/TiO2-N visible-light catalyst. The invention also provides application of a visible light responding photocatalyst in preparation of a photocatalytic organic-pollutant degradation agent and an antibacterial agent. Compared with the prior art, the invention has the following beneficial effects: raw materials used