The coking chemical industry with high energy consumption and high pollution has discharged a large number of volatile organic compounds into the atmosphere [9]. (CWW) due to the existence ...

To solve the unwieldy problem of coal chemical wastewater reverse osmosis concentrate (ROC), a novel treatment method in which coking coal was used to adsorb the organic from ROC and the adsorption mechanism involved was investigated. The results showed that the organic components in the ROC of coal chemical industry …

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Coal blending as used in the coking industry has, therefore, become a wide and well-established practice (Graham and Wilkinson, 1980, Habermehl et al., 1981). In other words, the quality of coke can be improved by using additives in coal blends. These additives may be categorized into three types which affect coke quality.

components in the ROC of coal chemical industry can be e ectively absorbed by the coking coal and the total organic carbon, UV 254 and chromaticity of treated ROC reduced by 70.18%, 70.15%

2.1 China's energy production and consumption structure. In 2019, China's total national energy consumption was 4.86 billion tons of standard coal, a year-on-year increase of 3.3%. As shown in Fig. 1, among them, fossil energy accounted for 84.7%, coal, oil and gas consumption accounted for 57.7%, 18.9%, 8.1%, and non-fossil energy …

Coking is severe thermal cracking. The residue feed is heated to about 475 to 520 °C (890 to 970 °F) in a furnace with very low residence time and is discharged into the bottom of …

China is the largest producer and exporter of coke globally, which means that it is very important to understand the characteristics of air pollutants and carbon emissions from China's independent coking industry. This study was the first to establish a bottom-up inventory of the air pollutants and carbon emissions of China's independent coking …

Abstract Coking has been studied with and without the 7% Ni/CNT catalyst. It has been shown that tar coking results in the formation of gaseous and liquid products and petroleum coke at a temperature of 350°C without the catalyst. Thermolysis products are formed due to the elimination of side hydrocarbon chains from the initial polyaromatic …

The process of conversion of coal to coke is complex, which is influenced by chemical, physical, and physicochemical factors. The coking process of coal includes …

Developing coking coal industry-Raymond mill,vertical mill. Home; ... a pattern of coking of both the upper and lower heat and power "to lay a foundation for the development of new coal chemical industry across the coke industry. ... Mexico jaw crusher 100mesh-300mesh barite technological process supplier and manufacturer.

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1. Introduction. Coking industry is an important part of modern industry. In the coking process, coal is converted into coke, coke oven gas, benzene, tar, methanol and other products at high temperature, which can provide important raw materials for steel, chemical, synthetic ammonia and other industries.

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However, coal-chemical industry, especially coking industry, was little focused on by air pollution research field, although there would be a large amount of toxic and harmful VOC released during the processes of high-temperature distillation of coal and byproduct recovery. There were two major reasons, one was the fact that coking …

The objective of the Coker is to process the asphalt-like material to produce higher value products, such as gasoline, diesel fuel, LPG, and petroleum coke. III. Delayed Coker Fractionator. The Coker Fractionator receives and separates the feedstock and sour 'cracked' gas and liquids from the operating Coke Drum and Coker Furnace.

The Canadian Journal of Chemical Engineering publishes influential research about the science, theory ... Needle coke obtained from delayed coking process is a highly sought-after product, which is used in electric arc furnaces (in the form of graphite electrodes) in steel making applications. In the present communication, the published ...

needle coke can be produced by delayed coking. These physical structures and chemical properties of the petroleum coke determine the end use of the material which can be burned as fuel, calcined for use in the aluminum, chemical, or steel industries, or gasified to produce steam, electricity, or gas feedstocks for the petrochemicals industry.

Coking coal on heating without air leaves a solid residue. Noncoking coal also leaves a solid coherent residue, which may not possess the physical and chemical properties of the coke. Metallurgical coal (coking coal) is used to produce hot metal used for steelmaking, whereas thermal coal is used to make steam that generates electricity.

Due to the use of impact mills, vitrinite maceral grains shatter and participation in coke making is reduced. To address this issue, a new crushing machine …

High-resolution mass spectrometry is an advanced technique for comprehensive screening of toxic chemicals. In this study, urine samples were collected from both an occupationally exposed population at a coking site and normal inhabitants to identify novel urinary biomarkers for occupational exposure to coking contaminants. A …

Design Details. Operating station – enclosed, ventilated, line of sight. Remote top and bottom unheading. Remote coke cutting. Multiple safe & protected egress options with fire barriers. Water sprays. Safety interlocks on cutting system. Drill stem guides. Top slide valve unheading device, with enclosure for cutting tool.

1.3. The status quo of the modern coal chemical industry The coal chemical industry involves a process in which coal is used as a raw material and chemically concerted into gas, liquids, solid fuels, and downstream derived chemicals. The modern coal chemical industry makes full use of coal gasification and liquefaction tech-

Further, by using a proposed integrated emission factor of 2.652 g/kg coke, the coking chemical industry in China was estimated to account for about 7.8–20% of total historical industrial VOCs ...

Coking chemical industry associated with high energy consumption and high pollution emits significant amount of volatile organic compounds (VOCs) to atmosphere, but is often ignored. This article reports a new study on emissions of VOCs from a typical coking chemical plant. Results show that about 70 species of VOCs …

The coking chemical industry is an important part of the coal chemical industry. The main coal processing methods include high temperature coking (950-1050 temperature), medium temperature coking, and low temperature coking. The metallurgical industry typically uses high temperature coking to obtain coke and recycle chemical products.

The processes of coking chemical industry could be generally divided into two stages, i.e. coking and gas purifying. The whole processes are described as following: Coal is prepared and transported to the coking oven (charging step), and then heated and kept at high temperature until coal becomes coke (coking step).

Coal chemical industry is the process that uses coal as raw material to produce gases, liquids and solids, which are then used to synthesize a series of chemicals. Traditional coal chemical industry generally refers to gasification, liquefaction, coking, processing of coke and coal tar, calcium carbide industry and uses of coal as raw …

The common objective of the three coking processes is to maximize the yield of distillate products in a refinery by rejecting large quantities of carbon in the residue as solid coke, …