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Continuous Synthesis of Silver Chloride Nanoparticles Using a Spinning Disk Reactor

Dabir, Hossein | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44532 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Molaei Dehkordi, Asghar
  7. Abstract:
  8. Silver chloride nanoparticles (AgCl NPs) have been widely used in various areas such as medicine industry, photographic materials, catalytic materials, pigments, and photochromic materials. Therefore, various studies were conducted for their synthesizes. In the present work, precipitation or reactive crystallization method was used for the synthesis of AgCl NPs. In this regard, silver nitrate and sodium chloride as reactants and gelatin as a surfactant were used in a continuous spinning disk reactor (SDR) at the ambient temperature and pressure. The influences of various parameters such as initial supersaturation , free ion ratio, dilution with water , disk diameter , disk rotation speed, inlet feed flowrate, and surfactant were examined carefully. The particle size distribution of silver chloride were investigated by varying the supersaturation and disk rotation speed. A broad range of particle size ranging from micrometer size down to nanoparticles smaller than 100 nm was synthesized. Morphology and the mean particle size of AgCl particles were analyzed by scanning electron microscopy (SEM). Powder samples obtained were also analyzed with XRD. Using high disk rotation speed and high initial supersaturation, crystals of ~ 38 nm in size were synthesized
  9. Keywords:
  10. Electron Microscopes ; Silver Chloride Nanoparticles ; Spinning Disk Reactor ; Precipitation

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