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Pakven 600 was commissioned in September 1993, which increased Engro's urea production capacity from 268,000 tons to 600,000 tons per annum. [17] It was an imported second-hand plant which was installed at a cost of $130 million. [17] In July 1995, Engro further increased its capacity by 150,000 tons per annum at a cost of $23 million. [17]
The plant had a production capacity of 570,000 tons per annum (TPA) and an initial construction cost of US$303 million. [12] The plant was supplied by Haldor Topsoe and was commissioned in 1982 after an additional investment of US$15 million. [12] As of 2024, FFC-I has a capacity to produce 403,000 TPA of ammonia and 695,000 TPA of urea. [13]
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] + +
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]
Auxiliary Boiler – The Ammonia and Urea plants are supplemented with an auxiliary boiler of 60 MT/h steam capacity at 75 kg/cm 2 pressure and 480 °C. Purge Gas Recovery Unit (PGRU) – The productivity of the Ammonia plant was increased by installing a PGRU in May 1984 of 4,800 Nm 3 /h capacity.
The Geminid meteor shower this year is set to peak at almost the same time as December's full moon, which could make for challenging viewing conditions.
The royal kids might not be allowed to keep some of their Christmas presents from the public this year thanks to the family's strict rules about gift giving.
Reduced disease severity was noted at 10 and 20 days post-inoculation in comparison to control plants, and the seaweed treatment was found to be more effective at reducing disease pathology than salicylic acid, a known plant protector from biotic and abiotic stresses. [79]