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Karnafuli Fertiliser Company or KAFCO is a joint venture multinational company located in Chittagong, Bangladesh that produces urea fertiliser from Natural Gas.It is located in Anwara upazila of Chittagong district by the side of the Karnafuli river occupying an area of 100.03 acres. [1]
The establishment of GPFPLC was approved by the government in 2018. The factory was scheduled to go to the production in June, 2022. But it was delayed for financial and mechanical causes.
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] + +
For trout, stocking rates of 30 to 50 kg/m 3 are normal at the end of a rearing cycle, while for marine species, such as sea bass and sea bream, the achievable load is lower, between 15 and 20 kg/m 3. The total volume required for a raceway is calculated by dividing the total amount of fish in kg by the desired stocking rate in kg per m 3. [17]
Marine shrimp farming is an aquaculture business for the cultivation of marine shrimp or prawns [Note 1] for human consumption. Although traditional shrimp farming has been carried out in Asia for centuries, large-scale commercial shrimp farming began in the 1970s, and production grew steeply, particularly to match the market demands of the United States, Japan and Western Europe.
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]
Half of the participants used topical minoxidil twice per day, and the other half underwent microneedling procedures once per week in addition to twice-daily treatment with minoxidil.
Large aquaculture facilities (i.e. those producing 20,000 pounds (9,100 kg) per year) which discharge wastewater are required to obtain permits pursuant to the Clean Water Act. [167] Facilities that produce at least 100,000 pounds (45,000 kg) of fish, molluscs or crustaceans a year are subject to specific national discharge standards. [168]