Calcined petroleum coke is used as a fuel in several power-generating processes. It is a solid fuel that has a low ash content and a high energy value. This fuel has become a popular choice in many coal fired power plants because of its cost-effectiveness, flexibility, and reliability. In addition to that, it is used in the manufacturing of graphite electrodes for lithium batteries. The global calcined Petcoke Market is expected to grow considerably over the forecasted period, due to growing infrastructure investments in nations such China, India, Singapore. Moreover, a growing population in the region will increase demand from residential and commercial buildings.
Cement and power industries currently account for the largest share of calcined petrol coke. This is primarily because of their lower product costs and high calorific contents. The calcination system can also be integrated with waste-heat utilization systems in order to increase energy efficiency and lower production costs. The rotary Kiln is the commonest technology for calcination. In recent years, shaft calcining became more popular.
The calcining is a process that involves heating green petroleum coal (GPC) to convert it into fuel and electricity. It is a highly complex industrial process which can be classified according to its phases. The process starts with a preheater, where the raw coke is heated until it turns into a brown-colored substance known as petcoke. The petcoke is then pumped through the delayed coking system, where it is further processed to produce a more solid substance known as fuel coke.
In a modern delayed-coking unit, petcoke undergoes a series reactions that transforms it into an hydrocarbon. The petcoke is then cooled, screened, and ground to remove impurities. The resultant coke has a reduced sulfur, a higher volatile content, and less ash. It is then substituted for bituminous carbon in the coking kiln, which is heated up to a very high temperature.
A large amount of calcined petroleum coke is used as an anode in electric arc and electric induction furnaces to melt aluminum. It is a more calorific material than metallurgical carbon and can be burnt to produce electricity. Electric arc and induction furnaces are one of the fastest-growing segments in the global economy.
Most smelters use simple belt weight systems to blend their GPC. Some smelters use a more sophisticated blend strategy, such that they concentrate high S, low-V calcined cokes into the coarse fractions of their aggregate recipe in order to maximize anode weight.
The suspension of manufacturing operations and supply chain activities during the pandemic negatively affected the growth of calcined Petcoke. During the COVID-19 pandemic, most businesses have adopted precautionary lockdowns, and this has led to reduced consumer demand. In addition, people have been looking for ways to cut back on non-essential expenses. This has had a major impact on the construction sector which is the largest end-users of petcoke. The calcined oil coke industry has been affected by a drop in demand for the last few weeks.
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