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  2. Carminite - Wikipedia

    en.wikipedia.org/wiki/Carminite

    Carminite (PbFe 3+ 2 (AsO 4) 2 (OH) 2 [8]) is an anhydrous arsenate mineral containing hydroxyl. [citation needed] It is a rare secondary mineral that is structurally related to palermoite (Li 2 SrAl 4 (PO 4) 4 (OH) 4). [8] Sewardite (CaFe 3+ 2 (AsO 4) 2 (OH) 2) is an analogue of carminite, with calcium in sewardite in place of the lead in ...

  3. TMSR-LF1 - Wikipedia

    en.wikipedia.org/wiki/TMSR-LF1

    The liquid fuel ("LF") design is based on the 1960s Molten-Salt Reactor Experiment at Oak Ridge National Laboratory in the US. [9] The TMSR project is led by Xu Hongjie (徐洪杰), who previously headed the construction of the Shanghai Synchrotron Radiation Facility . [ 10 ]

  4. Chemical reactor materials selection - Wikipedia

    en.wikipedia.org/wiki/Chemical_reactor_materials...

    Chemical reactor materials selection is an important aspect in the design of a chemical reactor. There are four main groups of chemical reactors - CSTR, PFR, semi-batch, and catalytic - with variations on each. Depending on the nature of the chemicals involved in the reaction, as well as the operating conditions (e.g. temperature and pressure ...

  5. Extractive metallurgy - Wikipedia

    en.wikipedia.org/wiki/Extractive_metallurgy

    Extractive metallurgy is a branch of metallurgical engineering wherein process and methods of extraction of metals from their natural mineral deposits are studied. The field is a materials science, covering all aspects of the types of ore, washing, concentration, separation, chemical processes and extraction of pure metal and their alloying to suit various applications, sometimes for direct ...

  6. Semibatch reactor - Wikipedia

    en.wikipedia.org/wiki/Semibatch_reactor

    Both batch and semibatch reactors are more suitable for liquid phase reactions and small scale production, because they usually require lower capital costs than a continuously stirred tank reactor operation (CSTR), but incur greater costs per unit if production needs to be scaled up. These per unit costs include labor, materials handling ...

  7. Microreactor - Wikipedia

    en.wikipedia.org/wiki/Microreactor

    The microreactor is usually a continuous flow reactor (contrast with/to a batch reactor). Microreactors can offer many advantages over conventional scale reactors, including improvements in energy efficiency, reaction speed and yield, safety, reliability, scalability, on-site/on-demand production, and a much finer degree of process control.

  8. High-temperature gas-cooled reactor - Wikipedia

    en.wikipedia.org/wiki/High-temperature_gas...

    A high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which uses uranium fuel and graphite moderation to produce very high reactor core output temperatures. [1] All existing HTGR reactors use helium coolant. The reactor core can be either a "prismatic block" (reminiscent of a conventional reactor core) or a ...

  9. Gas-cooled reactor - Wikipedia

    en.wikipedia.org/wiki/Gas-cooled_reactor

    A gas-cooled reactor (GCR) is a nuclear reactor that uses graphite as a neutron moderator and a gas (carbon dioxide or helium in extant designs) as coolant. [1] Although there are many other types of reactor cooled by gas, the terms GCR and to a lesser extent gas cooled reactor are particularly used to refer to this type of reactor.