2) The resin can be desorbed well under low temperature and normal pressure, and can be regenerated after simple desorption after desorption, and the activated carbon must be desorbed at a higher temperature, and it needs to be periodically activated at a high temperature after desorption;
3) Organic substances have little effect on the adsorption process of the resin. For example, for argillaceous oxide ore, carbonaceous ore, slurry containing flotation agent, and other ores difficult to be treated by conventional cyanidation, it has good adaptability and high recovery rate;
4) The resin can adsorb free cyanide ions, thereby achieving recycling and controlling pollution.
However, the disadvantage of the ion exchange resin method is that the selectivity is poor, the viscosity of the resin is small, and the screening operation of the finer mesh is required, which increases the difficulty of separating the tree from the slurry. Research on high performance resins should be strengthened.
Inconel alloys are oxidation- and corrosion-resistant materials well suited for service in extreme environments subjected to high pressure and kinetic energy. When heated, Inconel forms a thick and stable passivating oxide layer protecting the surface from further attack. Inconel retains strength over a wide temperature range, attractive for high-temperature applications where aluminium and steel would succumb to creep as a result of thermally induced crystal vacancies (see Arrhenius equation). Inconel's high temperature strength is developed by solid solution strengthening or precipitation strengthening, depending on the alloy. In age-hardening or precipitation-strengthening varieties, small amounts of niobium combine with nickel to form the intermetallic compound Ni3Nb or gamma prime (γ'). Gamma prime forms small cubic crystals that inhibit slip and creep effectively at elevated temperatures.The formation of gamma-prime crystals increases over time, especially after three hours of a heat exposure of 850 °C, and continues to grow after 72 hours of exposure.
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