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  2. Process engineering - Wikipedia

    en.wikipedia.org/wiki/Process_engineering

    Process engineering activities can be divided into the following disciplines: [7] Process design: synthesis of energy recovery networks, synthesis of distillation systems (), synthesis of reactor networks, hierarchical decomposition flowsheets, superstructure optimization, design multiproduct batch plants, design of the production reactors for the production of plutonium, design of nuclear ...

  3. Chemical process - Wikipedia

    en.wikipedia.org/wiki/Chemical_process

    In a scientific sense, a chemical process is a method or means of somehow changing one or more chemicals or chemical compounds. [1] Such a chemical process can occur by itself or be caused by an outside force, and involves a chemical reaction of some sort.

  4. Grasberg mine - Wikipedia

    en.wikipedia.org/wiki/Grasberg_mine

    At 31 December 2022 Grasberg had proven and probable mineral reserves of 30.8 billion pounds (14.0 million tonnes) of copper, 26.3 million ounces (808 tonnes) of gold and 121.3 million ounces (3773 tonnes) of silver. [6] [4] Grasberg has three

  5. Mining in Brazil - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Brazil

    In 2019, Brazil's figures were as follows: it was the world's largest producer of niobium (88.9 thousand tons); [2] the 2nd largest world producer of tantalum (430 tons); [3] the 2nd largest world producer of iron ore (405 million tons); [4] the 4th largest world producer of manganese (1.74 million tons); [5] the 4th largest world producer of bauxite (34 million tons); [6] the 4th largest ...

  6. Ziegler–Natta catalyst - Wikipedia

    en.wikipedia.org/wiki/Ziegler–Natta_catalyst

    Commercial catalysts are supported by being bound to a solid with a high surface area. Both TiCl 4 and TiCl 3 give active catalysts. [6] [7] The support in the majority of the catalysts is MgCl 2. A third component of most catalysts is a carrier, a material that determines the size and the shape of catalyst particles.

  7. Engineering management - Wikipedia

    en.wikipedia.org/wiki/Engineering_management

    Engineering management is the application of engineering methods, tools, and techniques to business management systems. Engineering management is a career that brings together the technological problem-solving ability of engineering and the organizational, administrative, legal and planning abilities of management in order to oversee the operational performance of complex engineering-driven ...

  8. Paraformaldehyde - Wikipedia

    en.wikipedia.org/wiki/Paraformaldehyde

    [3] Paraformaldehyde is not a fixative; it must be depolymerized to formaldehyde in solution. In cell culture, a typical formaldehyde fixing procedure would involve using a 4% formaldehyde solution in phosphate buffered saline (PBS) on ice for 10 minutes. In histology and pathology specimens preparation, usually, the fixation step is performed ...

  9. Kimia - Wikipedia

    en.wikipedia.org/wiki/Kimia

    Kimia is an Ancient Greek word and a feminine given name in Persian language. It means elixir of life , alchemy , or the philosopher’s stone . [ 1 ] In ancient Persian poetry, kimia means "rare" or "unique."