
Coal chemical crude phenol powder making process
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Development of Phenols Recovery process from coal
2017年11月10日 Phenols Recovery process using mesityl oxide is conceptual designed Compared to common extractant, mesityl oxide has a better performance and lower cost The extractant has a great influence on the performance and economy of the Phenols Recovery 2021年1月1日 By simulating the process of extracting phenol from coal chemical wastewater by methyl propyl ketone, a system model of operating parameters was established to obtain the Current advances in coal chemical wastewater treatment technology 2021年4月16日 Crude phenols extracted using organic solvent from the wastewater of a typical fixedbed gasification process was used as a raw material, and the distillation range was Composition of phenolic compounds in wastewater from the 2024年2月1日 A new coupling process for highly efficient extracting phenols from coal tar and capturing carbon dioxide in exhaust gas employing aqueous amine was developed, which New coupling technology of phenols extraction in coal tar
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(PDF) Extraction selection and process
2023年5月4日 In order to efficiently remove phenolics from coal chemical wastewater, this study utilizes molecular simulation to determine the most effective extractant And the extraction effect isInitially, coal resin (or petroleum resin) is distilled in a distillation column, then crude phenol is isolated from phenolic fraction, from which pure phenol is extracted at the next stage using Evaluation of the possibility of separating commercial 2010年1月1日 Currently, the cumenetophenol process is the predominant synthetic route for the production of phenol It is accompanied by acetone as a coproduct Cumene is oxidized Phenols SpringerLink2022年12月6日 A heat integration optimization method that considers the changes in process parameters is proposed to find the global optimal process scheme for a coal chemical company’s phenols and ammonia recovery processHeat Integration for Phenols and Ammonia

Complex Extraction of Phenol and Cresol from Model Coal
To develop a greener process for reclaiming phenolic compounds from low temperature coal tar, extractive performance of twelve extractants, including mono, di, and triethanol amines 2021年7月1日 In this paper, we will focus on the extractant selection, the extraction conditions optimization and the thermodynamic model selection to support the effective design or Efficient separation of phenols from coal tar with aqueous separation of contaminated dirty crude phenol 2 Main part Extraction of phenol from coal tar may pose difficulties, mostly, since tar is a polyazeotropic mixture of aromatic and other compounds, including heterocyclic ones Such azeotropic mixtures as phenolindane and phenolindene make the concentration ofEvaluation of the possibility of separating commercial 2019年7月1日 The phenol and ammonia removal process is a crucial step for the treatment of coal chemical wastewater, which could greatly affect the stability, operability and operating cost of subsequent biochemical treatment process (Ji et al, 2016)The phenol and ammonia recovery process usually needs to deal with three types of substances (Yang et al, 2013; Yu et al, Phase equilibrium measurement, thermodynamics modeling and process

Optimal design of a high atom utilization and sustainable process for
2021年10月15日 In order to dispose crude phenol separation process wastewater (CPSW) effectively, this paper proposes an integration system that combines the source exploration of CPS and the optimum design of CPSW treatment the separation methods of phenolic compound from tar were investigated from physical and chemical method perspectives (H Gai In the refining process, crude oil is heated in a furnace, which is then sent to the distillation unit, where heavy crude oil separates into lighter components called fractions One of these, called naphtha, is the crucial compound to make a large amount of plastic However, there are other means, such as using gas Figure 1How Is Plastic Made? A Simple StepByStep ExplanationCoal Tar Pitch Himadri is the largest coal tar pitch manufacturer in India, holding over 70% market share in the space Its most updated stateoftheart manufacturing process, along with the adopted quality assurance practices, has made it the most reliable source of binder in the manufacture of aluminum anode and graphite electrodeCoal Tar Pitch Himadri2023年5月4日 The current situation of China's coal chemical industry faces many problems: 1) This industry causes environmental pollution; 2) employs inadequate environmental management system, wastewater (PDF) Extraction selection and process optimization of phenol
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Phenol Adsorption from Crude and Active Coals
2023年9月14日 The aim of the present work is the removal of phenol by adsorption on a raw and activated crude or hard coal (C) with NaOH, ZnCl 2 and H 3 PO 4 in the region of Bechar (southwestern Algeria) The 2023年7月15日 Coking chemistry is the subject of relative theories, technologies, processes, and equipment of process where main material coal in the condition of isolating air is researched, and coal is transformed into coke (or semicoke) and raw gas after physicochemical action like thermolysis and coking, and the raw gas is purified and separated to obtain coal tar and Coking Chemistry SpringerLink2019年1月1日 Current phenol and ammonia treatment process consumes a large amount of hot utilities to recover crude phenol and aqua ammonia, which includes 05 MPag steam (268 MW), 10 MPag steam (1017 MW), and 25 MPag steam (197 MW) based on the benchmark treatment capacity of 100 t/h This paper fixates on the further improvement of energy efficiency by Integration of thermovapor compressors with phenol and 2010年2月4日 Coalgasification wastewater poses serious problems in the Lurgi process It cannot be easily purified, as the high pH value of the wastewater limits the dephenolization efficiency of extractionProcess Development, Simulation, and Industrial Implementation

Lowrank coal pyrolysis polygeneration technology with
2022年6月1日 However, oil and gas products cannot be obtained at the same time in gasification process, and for lowrank coal with high volatile, gasification will make volatile content cannot be effectively utilized [13] Pyrolysis can extract valuable volatiles from coal to coproduce oil and chemicals before gasification or combustion2020年3月7日 It is expected, therefore, that chemicals from the coal coking processes will become increasingly more significant and, if not in the short shortterm, at least in the mid and longterm, make coal a competitive and/or alternative source to petroleum The essential primary step, at the present time, in the production of organic chemicals, which isChemicals from Coal Coking CSIC* Extraction selection and process optimization of phenolcontaining wastewater from coal chemical industry Hong Liu1, Xuehun Zhang1, Siyuan Zhang1, Kang Liu1, Qingrui Zhang1* 1Qingdao Univ Sci Technol, Coll Chem Engn, Qingdao , Peoples R China Abstract—In order to efficiently remove phenolics from coal chemical wastewater, this Extraction selection and process optimization of phenol 2022年2月27日 The coal chemical industry has been regarded as one of thebiggest energy and resource consumer, as well as major pollution emitter Hence, it is more important than ever for relevant firms and companies to seek a more sustainable development path BTL Company is a largescale coal chemical enterprise including coal mining, raw coal washing The Development and Improvement of the Coal
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High removal efficiency of volatile phenol from coking
Powder adsorbent made by coal gasification slag (CGS) was used to adsorb pollutants from coking wastewater (CW) This study initially focused on the removal efficiency of volatile phenol, NH 3 –N, and chemical oxygen demand (COD) from CW The removal rate of volatile phenol increased from 4890% to 7050% after acid precipitation of CW by 40 mL reagent of sulfuric 2024年6月1日 The main challenge currently faced is the complexity of coal pyrolysis wastewater resulting from the intricate chemical reactions involved in the pyrolysis process of lowrank coal [8]After the breakage and recombination of macromolecular bonds, the water quality becomes intricate, primarily composed of phenolic compounds, NH 4 +N, and various inorganic and Exploration of simulationbased optimization and impact 2017年10月27日 Carbon forms more than 50% by weight and more than 70% by volume of coal (this includes inherent moisture) Pure anthracite coal can even contain 95% of carbon []According to a geologist, coal is defined as an organic sedimentary rock (usually occurring in rock strata in layers, or veins called coal seam) that forms from the accumulation and Coal, the Black Carbon SpringerLink2023年8月1日 Coal tar (CT) is the portion of volatile matter obtained from thermochemical processing of coal that condenses at room temperature (Speight, 2005)It has a dark brown color, a pungent odor and poor fluidity at room temperature (Gong et al, 2018, Jiang et al, 2016)CT can be classified into low, medium and high temperature depending on the processing Systematic mapping of studies on coal tar and pitch over the

Advantages of residual phenol in coal chemical wastewater
2023年11月25日 The use of cometabolic substrates is effective for polycyclic aromatic hydrocarbons (PAHs) removal, but the potential of the high phenol concentrations in coal chemical wastewater (CCW) as a cometabolic substrate in microbial electrolysis cell (MEC) has been neglectedIn this study, the efficacy of varying phenol concentrations in comparison to 2021年4月16日 The crude phenol was used as raw material, which was extracted by organic solvent from wastewater of typical fixed bed gasification process The distillation range of raw materials was position of phenolic compounds in wastewater from the 2020年11月24日 The coal tar was collected by pyrolysis process of coal obtained from PT Kaltim Prima Coal chemistry and use of crude coal in order to reappraise its role as a therapeutic agent in (PDF) Characteristics Production of Coal Tar2023年5月1日 Large amount of phenols and nitrogen in coal pyrolysis wastewater have become a major bottleneck that restricts industrial development There are few studies on enhanced phenol treatment and shortcut denitrification with dried Chlorella powder as carbon source in coal pyrolysis wastewater treatment This study aimed to explore the effects of sodium acetate, Effects of sodium acetate, glucose, and Chlorella powder as

Optimal Design of a High Atom Utilisation and
2020年8月17日 The high salt wastewater produced by crude phenol process is difficult to treat due to its high concentration of organics and salts In this paper, the crude phenol process with replacement reactions is simulated with Aspen Plus to probe the wastewater generation process A novel treatment process of high atom utilisation and2024年6月13日 Coalbased crude oil is the liquid product from the thermochemical processing of coal, which is mainly divided into coal tar, direct coal liquefaction oil, etc [1], [2] In recent years, China’s coal tar output and coaltooil production capacity have increased steadily, reaching 265 million tons/year and 931 million tons/year by 2021 Applications of ionic liquids and deep eutectic solvents for 2021年11月1日 The current crude phenol separation process is featured by the conventional distillation columns and its close boiling range between the components significantly increases the energy consumptionEnergyefficient synthesis of crude phenol separation process 2019年2月20日 The operation cost and income of crude phenols showed that synergistic extraction process realized profit about 335 CNY/t The realization of ZLD of coal gasification wastewater is mandatory as well as significant for coal chemical industry (Tong and adsorption integrated with chemical oxidation, and water reuse process A large number Development of synergistic extraction process for highly

Urea Manufacturing Process Chemical Engineering World
2020年9月22日 Since this is were the reaction happens, it is the heart of the process The pressure and temperature is maintained at 14 Mpa and 170190°C for the first reaction to occur The reaction of ammonia and carbon dioxide is highly exothermic in nature Most of the heat released is utilized in form of process steam wherever it is needed in to process2023年11月30日 Chemical Process Industries; Basic Principles of Unit Processes Unit Operations in Organic Chemical Industries; COAL CHEMICALS Coal as Chemical Feed Stock; Coal carbonization and Coke Oven Plant; Introduction : Status of Petroleum Refinery, Crude Oil and Natural Gas Origin, Occurrence, Exploration, Drilling and Processing, Fuel Norms;Chemical Engineering Chemical Technology I NPTELseparation of contaminated dirty crude phenol 2 Main part Extraction of phenol from coal tar may pose difficulties, mostly, since tar is a polyazeotropic mixture of aromatic and other compounds, including heterocyclic ones Such azeotropic mixtures as phenolindane and phenolindene make the concentration ofEvaluation of the possibility of separating commercial 2019年7月1日 The phenol and ammonia removal process is a crucial step for the treatment of coal chemical wastewater, which could greatly affect the stability, operability and operating cost of subsequent biochemical treatment process (Ji et al, 2016)The phenol and ammonia recovery process usually needs to deal with three types of substances (Yang et al, 2013; Yu et al, Phase equilibrium measurement, thermodynamics modeling and process
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Optimal design of a high atom utilization and sustainable process for
2021年10月15日 In order to dispose crude phenol separation process wastewater (CPSW) effectively, this paper proposes an integration system that combines the source exploration of CPS and the optimum design of CPSW treatment the separation methods of phenolic compound from tar were investigated from physical and chemical method perspectives (H Gai In the refining process, crude oil is heated in a furnace, which is then sent to the distillation unit, where heavy crude oil separates into lighter components called fractions One of these, called naphtha, is the crucial compound to make a large amount of plastic However, there are other means, such as using gas Figure 1How Is Plastic Made? A Simple StepByStep ExplanationCoal Tar Pitch Himadri is the largest coal tar pitch manufacturer in India, holding over 70% market share in the space Its most updated stateoftheart manufacturing process, along with the adopted quality assurance practices, has made it the most reliable source of binder in the manufacture of aluminum anode and graphite electrodeCoal Tar Pitch Himadri2023年5月4日 The current situation of China's coal chemical industry faces many problems: 1) This industry causes environmental pollution; 2) employs inadequate environmental management system, wastewater (PDF) Extraction selection and process optimization of phenol
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Phenol Adsorption from Crude and Active Coals
2023年9月14日 The aim of the present work is the removal of phenol by adsorption on a raw and activated crude or hard coal (C) with NaOH, ZnCl 2 and H 3 PO 4 in the region of Bechar (southwestern Algeria) The 2023年7月15日 Coking chemistry is the subject of relative theories, technologies, processes, and equipment of process where main material coal in the condition of isolating air is researched, and coal is transformed into coke (or semicoke) and raw gas after physicochemical action like thermolysis and coking, and the raw gas is purified and separated to obtain coal tar and Coking Chemistry SpringerLink2019年1月1日 Current phenol and ammonia treatment process consumes a large amount of hot utilities to recover crude phenol and aqua ammonia, which includes 05 MPag steam (268 MW), 10 MPag steam (1017 MW), and 25 MPag steam (197 MW) based on the benchmark treatment capacity of 100 t/h This paper fixates on the further improvement of energy efficiency by Integration of thermovapor compressors with phenol and 2010年2月4日 Coalgasification wastewater poses serious problems in the Lurgi process It cannot be easily purified, as the high pH value of the wastewater limits the dephenolization efficiency of extractionProcess Development, Simulation, and Industrial Implementation