Continuous synthesis of copper nanoparticles using a polyol process in a milli-channel reactor

2021 ◽  
Author(s):  
Vamsi Vikram Gande ◽  
S. Pushpavanam
Keyword(s):  
Copper Nanoparticles ◽  
Polyol Process ◽  
Channel Reactor ◽  
Continuous Synthesis

Copper nanoparticles synthesized by polyol process used to control hematophagous parasites

2011 ◽  
Vol 109 (5) ◽  
pp. 1403-1415 ◽  
Author(s):  
Jeyaraman Ramyadevi ◽  
Kadarkaraithangam Jeyasubramanian ◽  
Arumugam Marikani ◽  
Govindasamy Rajakumar ◽  
Abdul Abdul Rahuman ◽  
...  
Keyword(s):  
Copper Nanoparticles ◽  
Polyol Process

Robust, non-fouling liters-per-day flow synthesis of ultra-small catalytically active metal nanoparticles in a single-channel reactor

2017 ◽  
Vol 2 (5) ◽  
pp. 636-641 ◽  
Author(s):  
Wai Kuan Wong ◽  
Swee Kun Yap ◽  
Yi Chen Lim ◽  
Saif A. Khan ◽  
Frédéric Pelletier ◽  
...  
Keyword(s):  
Metal Nanoparticles ◽  
Palladium Nanoparticles ◽  
Flow Reactor ◽  
Single Channel ◽  
Channel Reactor ◽  
Flow Synthesis ◽  
Continuous Synthesis ◽  
Active Metal ◽  
Catalytically Active ◽  
Non Fouling

Robust, non-fouling, litres-per-day continuous synthesis of catalytically active palladium nanoparticles using triphasic segmented flow in a hybrid milli-meso flow reactor.

Some Properties and Structural Features of Poly(Vinyl Chloride)/Cu Films with Copper Nanoparticles Obtained by Exploding Wire Methodu

2020 ◽  
Vol 12 (4) ◽  
pp. 04032-1-04032-5
Author(s):  
V. V. Krivtsov ◽  
◽  
V. V. Kukla ◽  
V. V. Krivtsov ◽  
A. I. Shidlovskiy ◽  
...  
Keyword(s):  
Vinyl Chloride ◽  
Copper Nanoparticles ◽  
Structural Features ◽  
Exploding Wire ◽  
Cu Films ◽  
Poly Vinyl Chloride

Synthesis of 3,4-Dihydropyrano[c]chromenes Using Carbon Microsphere Supported Copper Nanoparticles (Cu-NP/C) Prepared from Loaded Cation Exchange Resin as a Catalyst

2019 ◽  
Vol 16 (2) ◽  
pp. 288-293
Author(s):  
Yogesh W. More ◽  
Sunil U. Tekale ◽  
Nitishkumar S. Kaminwar ◽  
László Kótai ◽  
Tibor Pasinszki ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Cation Exchange ◽  
Copper Nanoparticles ◽  
Exchange Resin ◽  
Cation Exchange Resin ◽  
Environmentally Benign ◽  
High Yield ◽  
Carbon Microsphere ◽  
Catalytic Material ◽  
Operational Simplicity

Aim and Objective: The present study was performed with the aim to develop an efficient and environmentally benign protocol for the synthesis of biologically siginifcant 3, 4-dihydropyrano[c]chromenes using a new catalytic material. The protocol involves the use of a reusable, environment friendly materials and solvents with operational simplicity. Materials and Methods: Carbon microsphere supported copper nanoparticles (Cu-NP/C) prepared from loaded cation exchange resin were synthesized, characterized with well versed analytical techniques such as XRD, SEM and Raman spectroscopy and the synthesized material was used as a catalyst for the environmentally benign synthesis of 3,4-dihydropyrano[c]chromenes. Results: The formation of carbon microsphere supported copper nanoparticles (Cu-NP/C) prepared from loaded cation exchange resin was confirmed by XRD, SEM and Raman spectroscopy which was employed as a heterogeneous material for the synthesis of 3,4-dihydropyrano[c]chromenes. The products formed were characterized by the analysis of spectroscopic data - NMR, IR and mass. The safe catalytic system offers several advantages including operational simplicity, environmental friendliness, high yield, and reusability of catalyst and green chemical transformation. Conclusion: Herein we report an easy and efficient protocol for the one-pot synthesis of dihydropyrano[ c]chromenes using environmentally benign MCR approach in ethanol as the green solvent. The method developed herein constitutes a valuable addition to the existing methods for the synthesis of titled compounds.

Biogenic synthesis of copper nanoparticles from rose (Rosa indica L.) and their applications in photocatalytic degradation of Malachite Green and Carbol Fuchsin dyes

2020 ◽  
Vol 10 ◽  
Author(s):  
Manmeet Kaur ◽  
Suman Prajapati ◽  
Samneek Cholia ◽  
Jaskeet Singh Mann ◽  
Gurpreet Singh
Keyword(s):  
Photocatalytic Degradation ◽  
Malachite Green ◽  
Copper Nanoparticles ◽  
Dye Degradation ◽  
Industrial Effluent ◽  
Copper Nanoparticle ◽  
Synthesis Of Nanoparticles ◽  
Carbol Fuchsin ◽  
Double Beam ◽  
The Rose

Background: In the recent years, the green synthesis of nanoparticles has taken a lead role over the conventional chemical and physical approach due to its non-toxic, cost effective parameters and has found its place in various applications. Objectives: The major objectives of this study was to synthesise and characterize the copper nanoparticles using the rose extract at different set of conditions and analyse these nanoparticles as a source of dye degradation agent under sunlight conditions. Methods: Present study was conducted with the aim to synthesis the copper nanoparticle using the rose petal extract. The components present the in the extract act as the reduction and stabilization agents for the synthesis of CuNPs. The synthesized nanoparticles were characterized by using UV-VIS, FTIR, XRD and SEM analysis. Photocatalytic degradation of two dyes (Malachite Green and Carbol fuchsin) was analysed using double beam spectroscopic analysis Results: UV-Vis analysis indicated the presence of a peak at around 630 nm. The FT-IR analysis indicated the involvement of various biomolecules during the synthesis of nanoparticles. The structure and the conformation was elucidated using XRD and SEM showed the agglomerated form of the synthesized nanoparticles with the size range of about 60-90 nm. The synthesised copper nanoparticles was used for degradation of malachite green and carbol fuchsin dye using photocatalytic under sunlight irradiation. UV-Vis spectral analysis indicated that synthesised copper nanoparticle act more effective in degradation of malachite green (around 95%) whereas carbol fuchsin showed a maximum degradation by 52% therefore suggesting that CuNPs act as an efficient photo catalyst in dye degradation. Conclusion: The results obtained from this study indicates that rose extract has the potential of synthesis of copper nanoparticles which is non-toxic and convenient approach as compared to physical and chemical synthesis. These nanoparticles can be effectively employed as dye decolourization agents to treat industrial effluent and prevent the environmental pollution.

High purity copper nanoparticles via sonoelectrochemical approach

2019 ◽  
Vol 6 (11) ◽  
pp. 115058 ◽  
Author(s):  
Muhammad Murtaza ◽  
Naveed Hussain ◽  
Huang Ya ◽  
Hui Wu
Keyword(s):  
Copper Nanoparticles ◽  
High Purity ◽  
Purity Copper

C–C and C–N Couplings Catalyzed by Copper Nanoparticles in Glycerol

Synfacts ◽  
2017 ◽  
Vol 13 (12) ◽  
pp. 1322
Keyword(s):  
Copper Nanoparticles

Continuous Synthesis of Optically Activa α-Hydroxynitriles

1966 ◽  
Vol 88 (18) ◽  
pp. 4299-4300 ◽  
Author(s):  
Wolfgang Becker ◽  
Emanuel Pfeil
Keyword(s):  
Continuous Synthesis
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