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| 1 | 高钛型高炉渣光催化材料研究进展显示文摘本文简介了攀钢高钛型高炉渣的利用现状及存在的问题,综述了国内高钛型高炉渣制备光催化剂研究现状,认为高钛型高炉渣是一种具有光催化降解能力的材料,探索不同的方式进行改性以增强其光催化效应是未来制备优质高炉渣光催化材料的研究方向。同时,提出了高钛型高炉渣光催化材料应用方向和可能生产的环保产品。 | 霍红英 李瑞萍 | 2020 | 矿产综合利用2020,,4: | 4 |
| 2 | M-(Sm, Pr, Ga)掺杂TiO_2带隙及电子结构的第一原理研究(英文)显示文摘采用密度泛函理论对M-(Sm、Pr、Ga)掺杂锐钛矿型TiO_2能带和电子性质进行了系统的理论研究.计算结果表明,通过Sm和Pr的掺杂可以降低TiO_2的带隙进而使其产生吸收边红移,通过Ga的掺杂能使带隙稍增加.这主要是由于Sm和Pr的掺杂使Sm和Pr上的4f层电子与原子相邻O原子上的2p层电子相互作用,形成的杂质能级影响了Ti-O的能带结构,从而降低带隙,提高TiO_2的可见光吸收性能. | 房玉真 孔祥晋 刘军海 崔守鑫 王东亭 | 2019 | 原子与分子物理学报2019,36,1: | 4 |
| 3 | 偏钒酸铵掺杂高钛型高炉渣的光催化性能优化显示文摘为了实现以非提钛方法对高钛型高炉渣的综合利用,利用其含TiO_2可制备光催化剂的特点,以攀钢高钛型高炉渣掺杂偏钒酸铵为原料,采用多元固相烧结法制备掺杂钒的光催化剂,在紫外光下,考察了煅烧温度、掺杂量及煅烧时间对模拟污染物亚甲基蓝溶液降解率的影响,并用XRD对催化剂进行了表征。结果表明,在煅烧温度800℃、偏钒酸铵-TiO_2质量百分比45%、煅烧时间2 h时,制备的掺杂光催化剂降解率达到83.5%,与未掺杂之前相比,其降解率提高了26.9%。 | 霍红英 | 2020 | 矿产综合利用2020,,6: | 4 |
| 4 | 钴掺杂高钛型高炉渣光催化材料制备及性能优化显示文摘为了实现以非提钛方法对高钛型高炉渣的综合利用,利用其含TiO_(2)可制备光催化剂的特点,以攀钢高钛型高炉渣掺杂硝酸钴为原料,采用液相法掺杂并烧结制备掺杂Co的光催化剂,在紫外光下,考察了煅烧温度、掺杂量及煅烧时间对模拟污染物亚甲基蓝溶液降解率的影响。结果表明:在煅烧温度600℃、Co-Ti质量掺杂比(w(Co):w(Ti))0.03、煅烧时间2 h时,制备的掺杂Co光催化剂降解率达到89.0%,比未掺杂之前提高了32.4%。 | 霍红英 邹敏 | 2021 | 钢铁钒钛2021,42,1: | 4 |
| 5 | Ni掺杂含钛高炉渣制备光催化剂及其性能研究显示文摘含钛高炉渣含TiO_(2),可用来制备光催化剂以实现非提钛法综合利用含钛高炉渣。以攀钢含钛高炉渣为原料,采用液相法及煅烧法制备Ni掺杂光催化剂,并通过SEM、XRD对催化剂进行了表征;在紫外光照射下,考察了催化剂煅烧温度、Ni掺杂量及煅烧时间对模拟污染物亚甲基蓝溶液降解率的影响。结果表明:在煅烧温度500℃、掺杂量为(Ni-Ti质量比)2%、煅烧时间2 h的优化条件下,制备的Ni掺杂光催化剂对亚甲基蓝的降解率达到80.0%,比未掺杂高炉渣提高了26.0%。 | 霍红英 | 2022 | 稀有金属与硬质合金2022,50,2: | 3 |
| 6 | 钒-氮共掺杂含钛高炉渣光催化优化研究显示文摘为了实现含钛高炉渣的高附加值、合理的综合利用问题,利用其含TiO_(2)可制备光催化剂的特点,以攀钢含钛高炉渣为原料,以硝酸铵为氮源,以偏钒酸铵为钒源,采用高温固相烧结法掺入钒源,液相法掺入氮源的分步掺杂的方式制备了钒-氮共掺杂含钛高炉渣光催化材料,在紫外光下,以亚甲基蓝为模拟污染物,选取掺杂量、煅烧温度及煅烧时间为影响因素,评价其光催化活性;并用SEM、XRD手段对催化剂进行了表征。结果表明:钒、氮共掺杂对高炉渣的物相晶型影响较小,但能够增大其比表面积,提高其光催化活性;在煅烧温度300℃、N-Ti摩尔掺杂比30%、偏钒酸铵-TiO_(2)质量百分比45%、煅烧时间2 h时,制备的钒-氮共掺杂含钛高炉渣光催化剂降解率达到97.0%,比未掺杂之前提高了47.0%。 | 霍红英 同艳维 | 2022 | 钢铁钒钛2022,43,1: | 2 |
| 7 | Synthesis of TiO_2 visible light catalysts with controllable crystalline phase and morphology from Ti-bearing electric arc furnace molten slag显示文摘TiO_2 visible light catalysts with different crystalline phases and morphologies were synthesized from titanium-bearing electric arc furnace molten slag(Ti-bearing EAF slag)by using a simple acidolysis process.The effects of the p H of the HCl solution,liquid to solid ratio(RL/S,HCl solution to the residue ratio,m L/g) and acidolysis time on the micro-morphology and crystalline phase of as-prepared TiO_2 photocatalysts were systematically investigated.The results indicated that with decreasing p H in the HCl solution and increasing RL/S,the crystalline phase and micro-morphology of the obtained TiO_2 nanostructures tended to transform from anatase type TiO_2 with spherical nanoparticle structures to rutile type TiO_2 with needle-like nanorod structures.The acidolysis time had little influence on the crystalline phase but great impact on the size of the obtained TiO_2.The growth mechanism of TiO_2 from Ti-bearing EAF slag during the acidolysis process was also discussed.In addition,the influence of RL/Son the photocatalytic properties of the synthesized nanostructured TiO_2 was studied.The results showed that the photodegradation efficiency for Rhodamine B solution could reach 91.00% in 120 min when the RL/Swas controlled at 50:1. | Yang Li Lulu Liu Min Guo Mei Zhang | 2016 | Journal of Environmental Sciences2016,28,9: | 1 |
| 8 | 钒掺杂高炉渣光催化透水砖的制备与性能研究显示文摘为实现高炉渣的高附加值资源化利用,以高炉渣为主料,高岭土、钾长石为黏结剂和助熔剂,经坯体成形、烧结等制备光催化透水砖,并采用偏钒酸铵为掺杂钒源提高材料的光催化性能。通过XRD和SEM分析了不同温度烧结的透水砖的物相和形貌,研究了烧结温度和保温时间对透水砖性能的影响。结果表明,在高炉渣、高岭土与钾长石的质量比为75∶10∶15,偏钒酸铵掺杂量为TiO_(2)质量的45%,成形压力为10MPa,高炉渣粒度630~850μm,烧结温度为1120℃,保温时间为3h的条件下,制备的透水砖透水系数、抗折强度、外观尺寸偏差和抗冻性能均符合国家标准,同时具有较好的光催化性能,透水系数为0.049cm/s,抗折强度为10MPa,光催化降解率为75%。 | 霍红英 | 2023 | 稀有金属与硬质合金2023,51,6: | 0 |
| 9 | Electronic Structure and Optical Properties of LiBiO3 Doped with V,Nb,and Ta显示文摘The crystal structure, band structure, density of states, Mulliken charge, bond population and optical properties for LiBi_(1-x)M_xO_3(M=V, Nb, and Ta) were investigated using hybrid density functional theory. It was found that LiBiO_3 doped with V, Nb, and Ta presented distinctly stronger covalent interactions in M-O(M=V, Nb, and Ta) than Bi-O, thus resulting in mild distortion of the structure and facilitating the separation of photogenerated carriers. Furthermore, the hybridizations of Bi-6s, M-d(M=V, Nb, and Ta) and O-2p widened the valence and conduction bands, which promoted transmission of photogenerated carriers in the band edge and thus caused better photocatalytic performance. | 康佳 毕岗 | 2018 | Journal of Wuhan University of Technology(Materials Science)2018,33,4: | 0 |
| 10 | 含钛电炉熔分渣浸出废液合成莫来石晶须及热稳定性研究显示文摘通过共沉淀-熔盐法成功地用含钛电炉熔分渣浸出废液制备出了高附加值的莫来石晶须。通过对反应原料Al/Si(摩尔比)、煅烧温度、保温时间等因素的系统研究,确定了合成莫来石晶须的最佳条件,即在Al/Si为3,煅烧温度为950℃,保温时间为5 h条件下,制备出了结晶性好、尺寸均一及热稳定性能较好的莫来石晶须,其直径在20~150 nm,长度在0.5~1.5μm,长径比大于10,莫来石晶体的生长方向平行于[001]方向,沿c轴方向生长。在最优条件下制备出的晶须能在较宽的范围内(室温~1000℃)下保持较好的热稳定性。 | 冯子好 李杨 张梅 郭敏 | 2015 | 人工晶体学报2015,44,11: | 0 |