Acid Halide - Explore the Science & Experts | ideXlab


Scan Science and Technology

Contact Leading Edge Experts & Companies

Acid Halide

The Experts below are selected from a list of 5262 Experts worldwide ranked by ideXlab platform

Acid Halide – Free Register to Access Experts & Abstracts

Arthur Chow – One of the best experts on this subject based on the ideXlab platform.

  • Transport of iron Halides through polyurethane ether-type membranes.
    Talanta, 1995
    Co-Authors: Richard D. Oleschuk, Arthur Chow

    Abstract:

    Abstract The transport of iron(III) using polyether-based polyurethane membranes was studied. The rate at which iron passes through the membrane depends on the formation of the HFeX 4 species, which is related to the initial Acid and salt concentration of the metal solution. Iron is quantitatively transported from a cell of high AcidHalide concentration to one with low concentration.

    Free Register to Access Article

Richard D. Oleschuk – One of the best experts on this subject based on the ideXlab platform.

  • Transport of iron Halides through polyurethane ether-type membranes.
    Talanta, 1995
    Co-Authors: Richard D. Oleschuk, Arthur Chow

    Abstract:

    Abstract The transport of iron(III) using polyether-based polyurethane membranes was studied. The rate at which iron passes through the membrane depends on the formation of the HFeX 4 species, which is related to the initial Acid and salt concentration of the metal solution. Iron is quantitatively transported from a cell of high AcidHalide concentration to one with low concentration.

    Free Register to Access Article

Runwei Li – One of the best experts on this subject based on the ideXlab platform.

  • polyaniline poly vinylidene fluoride blend microfiltration membrane and its spontaneous gold recovery application
    Science China-chemistry, 2018
    Co-Authors: Yuanzhao Wu, Xiaohui Yi, Bin Chen, Runwei Li

    Abstract:

    Structural regular polyaniline was synthesized via a modified-chemical oxidative polymerization reaction. Highly hydrophilic polyaniline (PANi) and polyaniline-poly(vinylidene fluoride) blend (PANi-PVDF) membranes were prepared by solution casting and phase inversion techniques. Both of the mechanical and filtration properties of the membranes depend on the polymer composition and doping level of the blends. The elasticity of the membrane is greatly improved upon introducing poly(vinylidene fluoride) into the blend. The water permeability of the blend membranes is further enhanced when the membranes are doped with hydrochloric Acid. The PANi-PVDF blend membranes are capable of recovering metallic gold from the Acid/Halide leaching streams spontaneous and sustainably, and are promising candidates for wastewater treatments in electronic industries.

    Free Register to Access Article

  • recovery of gold from hydrometallurgical leaching solution of electronic waste via spontaneous reduction by polyaniline
    Progress in Natural Science: Materials International, 2017
    Co-Authors: Yuanzhao Wu, Qingming Fang, Xiaohui Yi, Runwei Li

    Abstract:

    Abstract The present study is primarily designed to develop an environmentally-benign approach for the recovery of precious metals, especially gold, from the ever increasingly-discarded electronic wastes ( e -waste). By coupling the metal reduction process with an increase in the intrinsic oxidation state of the aniline polymers, and the subsequent re-protonation and reduction of the intrinsically oxidized polymer to the protonated emeraldine (EM) salt, polyaniline (PANi) films and polyaniline coated cotton fibers are able to recover metallic gold from Acid/Halide leaching solutions of electronic wastes spontaneously and sustainably. The current technique, which does not require the use of extensive extracting reagents or external energy input, can recover as much as 90% of gold from the leaching Acidic solutions. The regeneration of polyaniline after gold recovery, as confirmed by the X-ray photoelectron spectroscopy measurements, promises the continuous operation using the current approach. The as-recovered elemental gold can be further concentrated and purified by incineration in air.

    Free Register to Access Article