Fullerene-Cored Star-Shaped Polyporphyrin-Incorporated TiO2 as Photocatalysts for the Enhanced Degradation of Rhodamine B

2021 ◽  
pp. 106142
Author(s):  
Zhen-Yi Wu ◽  
Yu-Jin Xu ◽  
Li-Jing Huang ◽  
Qian-Xin Zhang ◽  
Ding-Liang Tang
Keyword(s):  
Rhodamine B ◽  
Enhanced Degradation

Sulfate-enhanced degradation of Rhodamine B in the hydrogen peroxide/hydroxylamine system

2019 ◽  
Vol 17 (4) ◽  
pp. 1831-1837 ◽  
Author(s):  
Shengli Wang ◽  
Linlin Yan ◽  
Xiaohui Guan ◽  
Yanping Jia ◽  
Lianfa Song ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Rhodamine B ◽  
Enhanced Degradation

Direct sunlight responsive Ag–ZnO heterostructure photocatalyst: Enhanced degradation of rhodamine B

2015 ◽  
Vol 78 ◽  
pp. 35-40 ◽  
Author(s):  
Hongju Zhai ◽  
Lijing Wang ◽  
Dewu Sun ◽  
Donglai Han ◽  
Bing Qi ◽  
...  
Keyword(s):  
Rhodamine B ◽  
Direct Sunlight ◽  
Enhanced Degradation

Constructing and enhanced degradation rate of N-AZO/TiO2 core/shell nanocomposite by idiopathic molecular cladding process

2015 ◽  
Vol 08 (06) ◽  
pp. 1550072 ◽  
Author(s):  
Ya-Juan Deng ◽  
Jian-Dong Wang ◽  
Jin-Ku Liu ◽  
Qin Tong ◽  
Jiang-Jie Wang ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Rhodamine B ◽  
Composite Structure ◽  
Degradation Rate ◽  
Core Shell ◽  
Photocatalytic Efficiency ◽  
Photocatalytic Effect ◽  
Photogenerated Electrons ◽  
Core Shell Structure ◽  
Enhanced Degradation

The N - AZO / TiO 2 heterogeneous nanocomposite with core/shell structure revealed a better photocatalytic activity than the single N - AZO nanocrystals (NCs) even though it has a good photocatalytic effect. The recombination degree of photo-induced electrons and holes reduced significantly after molecular TiO 2 layer composited on the surface of N - AZO NCs. From the experiment of degrading rhodamine B solution (2 × 10-5 g/L) under solar light, the optimum photocatalytic efficiency was the N - AZO / TiO 2 composite prepared by idiopathic molecule-cladding (IMC) process and the best proportion of Zn / Ti was 2:1 in our research, which improved by 67% than pure N - AZO . Moreover, the N - AZO / TiO 2 composite prepared by IMC process achieved a molecular combination level between the two components, which not only can improve the immobility of composite structure, but also can make the photogenerated electrons and holes transport easier.

Enhanced degradation of Rhodamine B via α-Fe2O3 microspheres induced persulfate to generate reactive oxidizing species

Chemosphere ◽  
2020 ◽  
Vol 243 ◽  
pp. 125322 ◽  
Author(s):  
Fanyue Meng ◽  
Min Song ◽  
Bing Song ◽  
Yuexing Wei ◽  
Qi Cao ◽  
...  
Keyword(s):  
Rhodamine B ◽  
Enhanced Degradation

scholarly journals Photothermal Effect: The Amygdaloidal Nano-Structure Based on Bi2S3 for the Enhanced Degradation of Rhodamine B Under Irradiation by NIR

2021 ◽  
Vol 9 ◽  
Author(s):  
Xiuzhao Yin ◽  
Yunyu Zhang ◽  
Fujin Ai
Keyword(s):  
Rhodamine B ◽  
Degradation Rate ◽  
Near Infrared ◽  
Traditional Approach ◽  
Hydrothermal Process ◽  
Photothermal Effect ◽  
Visible Radiation ◽  
Nano Structure ◽  
Rapid Degradation ◽  
Enhanced Degradation

In recent years the photothermal effect, an auxiliary strategy for increasing the degradation rate of pollutants under irradiation by near-infrared (NIR), has become a research focus. In this study a novel amygdaloidal nanophotocatalyst, Bi2S3, was synthesized by a traditional approach using a hydrothermal process, in which Bi2S3 nanostructures were spread out like a peacock’s tail. The produced Bi2S3 photocatalyst exhibited excellent performance in the rapid degradation of Rhodamine B (RB). This proved that the photothermal effect is mainly responsible for the rapid degradation of RB under NIR laser irradiation. Moreover, it was found that the photothermal effect could not degrade the products with NIR radiation in darkness. However, with the support of visible radiation, the photothermal effect of the Bi2S3 photocatalyst enhanced degradation of RB (degradation rate 90% under 1 h). This novel structure exhibited a potential ability for degrading pollution in industry or agriculture.

scholarly journals A Ag nanoparticle functionalized Sg-C3N4/Bi2O3 2D nanohybrid: a promising visible light harnessing photocatalyst towards degradation of rhodamine B and tetracycline

2019 ◽  
Vol 1 (8) ◽  
pp. 3212-3224 ◽  
Author(s):  
Sandip Padhiari ◽  
G. Hota
Keyword(s):  
Visible Light ◽  
Rhodamine B ◽  
Ag Nanoparticle ◽  
Junction Formation ◽  
Enhanced Degradation

Optimum Ag loading and hetero-junction formation of a Sg-C3N4/Bi2O3/Ag (15%) 2D-nanohybrid are responsible for enhanced degradation of RhB and TCH under visible light.

Pemanfaatan Cangkang Pensi (Corbicula Moltkiana) sebagai Bahan Penyerap Zat Warna Rhodamin B Dalam Larutan

2019 ◽  
Vol 2 (2) ◽  
Author(s):  
Rahmiana Zein ◽  
Mutia Khuratul Aini ◽  
Hermansyah Aziz
Keyword(s):  
Rhodamine B ◽  
Sem Analysis ◽  
Spectra Analysis ◽  
Biosorption Capacity ◽  
Biosorption Process ◽  
Langmuir Isotherm Model ◽  
Ft Ir ◽  
Cationic Exchange ◽  
Rhodamin B ◽  
Model Isotherm

Biosorpsi zat warna Rhodamine B menggunakan cangkang Pensi (Corbicula moltkiana) telah dikaji. Percobaan dilakukan dengan system batch guna memperoleh kondisi optimum biosorspi zat warna. Kapasitas biosorpsi zat warna pada pH 2 adalah 0.9958 mg/g, dengan konsentrasi larutan mula-mula 150 mg/L waktu kontak 105 menit, massa biosorben 0.1 g, ukuran partikel 32 µm dan temperature pengeringan biosorben pada 75oC. Model isotherm Langmuir menunjukkan bahwa proses penyerapan berlangsung secara kimia dan biosorpsi homogeny dari adsorbat (Rhodamine B) pada permukaan biosorben membentuk lapisan tunggal dengan nilai R2 0.9966. Analisis XRF menunjukkan bahwa penurunan kadar unsur logam pada cangkang Pensi membuktikan bahwa proses biosorpsi berlangsung dengan pertukaran kation. Hasil analisis spektrum FT-IR membuktikan adanya interaksi antaramolekul Rhodamin B dengan gugus fungsi pada cangkang Pensi. Analisis dengan SEM memperlihatkan bahwa pori-pori cangkang Pensi telah terisi penuh oleh molekul Rhodamin B. Kondisi optimum biosorpsi telah diaplikasikan pada limbah kerupuk merah dengan kapasitas penyerapan sebesar 0,2835 mg/g.   The biosorption of Rhodamine B dyes by Pensi (Corbicula moltkiana) shell has been investigated. The experiment was conducted in batch sistem in order to obtain the optimum conditions of dye biosorption. Biosorption capacity of dye was 0.9958 mg/g at pH 2, initial concentration 150 mg/L, contact time 105 minutes, biosorbent mass 0.1 gram, particle size 32 µ m and biosorbent drying temperature was at 75oC. The Langmuir Isotherm model showed chemisorption and homogeneous biosorption process of adsorbates onto the biosorbent surface formed monolayer dye molecules on the biosorbent surface with R2 value was 0.9966. XRF analysis showed that reduction of metals unsure quantity of pensi shell indicated biosorption process was occupied through cationic exchange. The result of FTIR spectra analysis indicated an interaction between Rhodamin B molecules and functional group of pensi shell. SEM analysis showed that the pensi shell pores were completely filled by Rhodamine B molecules. The optimum condition of biosorption has been aplicated in red chips wastewater industry with biosorption capacity was 0.2835 mg/g.

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