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New catalyst outshines platinum for producing hydrogen Sep 30, 2019 One of the most common methods for producing hydrogen is a process called electrolysis. This process combines electricity with various chemicals, called electrolytes, and a
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Aug 24, 2017 Therefore, the as-synthesized negative-charged platinum nanoparticles (PtNPs) could be conjugated onto the positive-charged PAN/APS nanofibers through the electrostatic interaction (Figure 1 B). To fabricate an electrochemical sensor, the created PAN–PtNPs hybrid nanofibrous membrane was further utilized to modify a glassy carbon electrode (GCE), as indicated in Figure 1 CRead More
The electrical separation is very useful for separate next minerals: Gold and platinum. Diamond and rock minerals. Ilmenite and apatite, garnet, tourmaline, zircon. Cassiterite and monaziteRead More
Oct 19, 2015 Platinum (IV) hexachloride (PHC) is one of the precursors commonly used to synthesize these catalysts [12–14]. A number of studies published over the years utilizing strong electrostatic adsorption (SEA) have demonstrated that the PHC precursor yields highly dispersed, ultra-small Pt particles on alumina and carbon [9, 15, 16]. The use of PHC, however, involves minor inconveniencesRead More
Dec 15, 2017 Dec 15, 2017 , Synthesis of very highly dispersed platinum catalysts supported on carbon xerogels by the strong electrostatic adsorption method. J. Catal. 261 , 23 – 33 ( 2009 ). doi:Read More
2.1 Electrostatic Levitator Properties were measured using an improved electrostatic levitator (Figure 1) (2, 3) in a vacuum environment (~10–5 Pa) originally based on a design by Rhim et al. (14). With this instrument, ca. 2 mm diameter samples charged by electronic emission were levitated one at a time between electrodes. A feedbackRead More
Electrostatic separators are for separation of metals and non-metals that cannot be separated by ... The HP high power magnetic plate is available in standard and barrier-stop configurations and ... Model CG is a base unit model requiring mechanical removal of the magnetic filter screenRead More
Feb 01, 2008 Feb 01, 2008 Furthermore, the separated anodic potentials of DA and UA enabled a feasible DA determination even in the presence of UA and AA. In separated experiments, the DA anodic current was constant in the presence of lead or copper ions as interferences, indicating that their heavy metal ions did not complex with phytic acid on the modified electrode.3.4Read More
Universal type Electrostatic Separator Electrostatic separation depends on a number of electrical and mechanical properties such as conductance, contact potential, dielectric constant, end particle shape. In routine testing it is desirable that the application of each of these properties be investigated. The conductance property is best utilized in a separator having an ionic field, whereasRead More
Jul 20, 2020 The Electrostatic Separator separates conducting from non-conducting materials in a size range of +45 microns to 4mm. The technology enables the recovery of metals commonly difficult to separate on an Eddy Current Separator and, subsequently, lost to waste. The ElectroStatic Separator Principles of ElectroStatic SeparationRead More
separation using the corona separator will separate metals from nonmetals. This method is highly recommended in PCB recycling because of significant differences in conductivity and electrostatic properties of the different components in PCB. Corona electrostatic separation process is known to have an eco-friendly operation and low energy costRead More
Jan 01, 2020 Spraying methods, including high pressure air spraying, ultrasonic spraying, and electrostatic spraying, work by destabilizing a fluid by applying high energy to separate small volumes of fluid as tiny droplets. For high pressure air spraying, theRead More
Fig. 5 The methods of preparation for Pt catalysts reported in the literature from 2014. to 2017 for (A) silica, (B) alumina, (C) titania, and (D) carbon. 9 Preparation of Supported MetalRead More
An electrostatic printing method, wherein a photosensitive member has a photoconductive layer formed on a support member with a conductive layer therebetween is placed face to face with a drum of electrostatic information recording medium, which has an insulating layer formed on a cylindrical conductive layer. Voltage is applied between the photosensitive member and the conductive layer ofRead More