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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Density [a] (⁠ kg / L ⁠) Abundance and total mass in Earth's crust [b] (⁠ mg / kg ⁠) Price [7] Year Source Notes USD/kg USD/L [c] 1: H: Hydrogen: 0.00008988: 1400 (3.878 × 10 19 kg) 1.39: 0.000 125: 2012: DOE Hydrogen [8] [d] 1: 2 H (D) Deuterium: 0.0001667 [10] 13 400: 2.23: 2020: CIL [11] [e] 2: He: Helium: 0.0001785: 0.008 (2.216 × ...

  3. Urea - Wikipedia

    en.wikipedia.org/wiki/Urea

    The structure of the molecule of urea is O=C(−NH 2) 2.The urea molecule is planar when in a solid crystal because of sp 2 hybridization of the N orbitals. [8] [9] It is non-planar with C 2 symmetry when in the gas phase [10] or in aqueous solution, [9] with C–N–H and H–N–H bond angles that are intermediate between the trigonal planar angle of 120° and the tetrahedral angle of 109.5°.

  4. National Fertilizers - Wikipedia

    en.wikipedia.org/wiki/National_Fertilizers

    An agreement for a joint venture company "Ramagundam Fertilizers And Chemicals Limited" has been signed on 14 January 2015 between National Fertilizers Limited, Engineers India Limited (EIL) and FCIL for setting up new ammonia and urea plants of 2200 MT per day and 3850 MT per day capacity respectively at the existing site of Ramagundam ...

  5. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    A maize crop yielding 6–9 tonnes of grain per hectare (2.5 acres) requires 31–50 kilograms (68–110 lb) of phosphate fertilizer to be applied; soybean crops require about half, 20–25 kg per hectare. [21] Yara International is the world's largest producer of nitrogen-based fertilizers. [22]

  6. Fauji Fertilizer Company - Wikipedia

    en.wikipedia.org/wiki/Fauji_Fertilizer_Company

    The plant had a production capacity of 570,000 tons per annum (TPA) and an initial construction cost of US$303 million. [13] The plant was supplied by Haldor Topsoe and was commissioned in 1982 after an additional investment of US$15 million. [13] As of 2024, FFC-I has a capacity to produce 403,000 TPA of ammonia and 695,000 TPA of urea. [14]

  7. Brunei Fertilizer Industries - Wikipedia

    en.wikipedia.org/wiki/Brunei_Fertilizer_Industries

    Ammonia comes in second with 36.1%. (0.73mtpa). Future projects, such as the Brunei Fertilizer Industries Brunei Urea Plant and the Brunei Fertilizer Industries Brunei Ammonia Plant, are expected to increase the complex's capacity (1.29mtpa). [8] The facility, which has a nameplate capacity of 3900mt per day. [9]

  8. Petronas Fertiliser Kedah - Wikipedia

    en.wikipedia.org/wiki/Petronas_Fertiliser_Kedah

    Petronas Chemicals Fertiliser Kedah Sdn Bhd (PCF(K)SB) is a Malaysian urea production company and a wholly owned subsidiary of Petronas, located in Kuala Muda District, Kedah. The company is involved in petrochemical manufacturing, mainly producing granular urea for use in local and foreign agricultural industries.

  9. Ocean fertilization - Wikipedia

    en.wikipedia.org/wiki/Ocean_fertilization

    Urea is the most used fertilizer in the world, due to its high content of nitrogen, low cost and high reactivity towards water. [32] When exposed to ocean waters, urea is metabolized by phytoplankton via urease enzymes to produce ammonia. [33] + +