MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Volatile phenol in coal
Development of Phenols Recovery process from coal gasification
2017年11月10日 The concentrations of volatile phenols and total phenols, and the COD value of the final raffinate are used to evaluate the solvent's performance for removal of phenols The 2024年8月1日 Xu et al studied the mechanism of coal pyrolysis catalyzed by metals using gas chromatography/mass spectrometry (GC/MS) and the addition of Na 2 CO 3 led to the Insitu evaluation of volatile products released during pyrolysis of 2023年10月12日 Catalytic copyrolysis of coal and biomass can improve both solid waste utilization and high valueadded product content to obtain higher quality oils, which is significant for the clean and efficient use of coal and the Catalytic upgrading of volatiles in copyrolysis of coal The clearest point on which all agree is that pyrolysis will occur during the total coal combustion process, and the volatile matter products can then burn completely or partially in the vapor The Role of Volatiles in Coal Combustion SpringerLink
Identification of Ammonia and Volatile Phenols as Primary
Jin, H, Yang, X, Yu, H et al Identification of Ammonia and Volatile Phenols as Primary Toxicants in a Coal Gasification Effluent Bull Environ Contam Toxicol 63, 399–406 (1999) A fish kill incident was caused by the effluent discharged from the Coal Gasification Plant in Nanjing, China In this study, TIE procedures using Daphnia magna were used in an attempt Identification of Ammonia and Volatile Phenols as Primary 2020年7月1日 In recent years, much effort has been made in the field of valorization of organic compounds from coal/biomass volatiles (including alkanes, aromatics, phenol derivatives, and little amounts of ketones, esters, ethers, Catalytic Conversion of Coal and Biomass Volatiles: A 2023年11月20日 This study focuses on improving the quality of tar and the content of light fractions by catalytic reforming of coal and biomass copyrolysis volatiles Molybdenumdoped MFItype molecular sieve catalysts (MoMFI) Catalytic upgrading of volatiles in copyrolysis of coal
Study on Adsorption Ability of Volatile Phenols in Underground
A static adsorption experiment was carried out to investigate the adsorption activity of different rock samples ( mudstone, sandy mudstone and sandston e) on volatile phenol which belonged 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 High removal efficiency of volatile phenol from coking 2012年10月1日 Coal process wastewater that discharged from coal conversion processes usually contains volatile phenol in high concentration As a natural mineral, diatomite demonstrates its excellent adsorption Adsorption of Volatile Phenol in Coking Wastewater by Diatomite1 Introduction China has abundant and widely distributed reserves of coal, with low metamorphic coal accounting for over 55% of the total reserves 1 Coal pyrolysis is a crucial stage in the processing and utilization of coal 2 Coal tar obtained through lowtemperature pyrolysis typically contains 20–30% phenolic compounds, including highvalue raw chemicals (phenol, cresol, Catalytic upgrading of volatiles in copyrolysis of coal and
Understanding Volatile Matter in Coal
2023年7月19日 Unraveling the Significance of Volatile Matter in Coal Delve into the intricate world of volatile matter in coal and its profound impact on energy production and industrial applications Explore the effects on combustion, environmental implications, and innovative approaches for a sustainable energy futurewith low metamorphic coal accounting for over 55% of the total reserves1 Coal pyrolysis is a crucial stage in the processing and utilization of coal2 Coal tar obtained through lowtemperature pyrolysis typically contains 20–30% phenolic compounds, including highvalue raw chemicals (phenol, cresol, and xylenol, referred to as PCX)Catalytic upgrading of volatiles in copyrolysis of coal and 2020年3月17日 Phenol by nature is an aromatic semi – volatile hydrocarbon, can be detected in wastewater, at varying rates, ranging from minimal 1 mg/L to 7000 mg/L in most industries as listed in Table 1 (PDF) Presence of phenol in wastewater effluent and its removal2024年1月19日 The isolated halophilic bacterial strain Halovibrio variabilis TG5 showed a good performance in the pretreatment of coal gasification wastewater With the optimum culture conditions of pH = 7, a temperature of 46 °C, and a salinity of 15%, the chemical oxygen demand and volatile phenol content of pretreated wastewater were decreased to 1721 mg/L and 94 Efficient flocculation pretreatment of coal gasification wastewater
Study on Adsorption Ability of Volatile Phenols in Underground Coal
A static adsorption experiment was carried out to investigate the adsorption activity of different rock samples ( mudstone, sandy mudstone and sandston e) on volatile phenol which belonged to one of typical underground coal gasification contaminants The adsorption behaviors of volatile phenol in the rocks were achiev ed, and the distribution coefficients which represented the Anthracene, Cresol, Crude tar, Dehydration, HBTA, Hydrocarbons, Phenol, tar, tar distillation, Coal Tar and its Distillation Processes Coal tar, which is condensed together with aqueous ‘gasliquor’ (ammoniacal liquor), when the volatile products of the carbonization of coking coal are cooled down It is acidic in nature and is water Coal Tar and its Distillation Processes IspatGuru2016年3月1日 Coal gasification wastewater (CGW) The removal rate of volatile phenol increased from 4890% to 7050% after acid precipitation of CW by 40 mL reagent of sulfuric acid A review on the coal gasification wastewater treatment technologies 2023年1月5日 Both volatile matter and fixed carbon are used to define coal rank in highvolatile, mediumvolatile bituminous, and higherrank coals in the US classification system (ASTM method D38812; American Society for Testing Volatile Matter (Part of Proximate Analysis), Coal
Regulation mechanism of phenol on intermediates during
2024年10月28日 It is observed that the instantaneous reaction rate of solid products in the coalwaterphenol system is 015, which is 50 times higher than that in the coalwater system, demonstrating that phenol distinctly impacts the decomposition of solid obviously in the later stages of coal gasificationHyderabad coal all organic compounds are phenol derivates volatile hard coals Table 4 GCMS analysis volatile fraction of Hyderabad coal Organic Compound Molecular mass Formula Phenol 3, methyl 108 C 7 H 8 O Phenol 4, methyl 108 C 7 H 8 O Phenol 2,5,dimethyl 122 C 8 H 10 OVOLATILE PRODUCTS AND TRACE METALLIC ELEMENTS DURING 2018年11月16日 Download Citation Complex Mechanism of Phenol Extraction of Coal Gasification Wastewater In this study, tributylphosphate (TBP)kerosene is used as the extraction solvent to remove phenols Complex Mechanism of Phenol Extraction of Coal ResearchGate2023年8月5日 Table 1 illustrated that tetracyclic fragments containing rich chemical information in YCW coal were selected as interaction objects, and five volatile–coal char interaction configurations 1–5 were designed, which were volatilefree interaction, aldehyde group, carboxyl group, ether group, and phenol hydroxyl group interactionMolecular dynamics simulations and experimental study on
acid mist, coal tar pitch volatiles and benzene in the desulfurization
of carbon monoxide, sulfur dioxide, hydrogen sulfide, ammonia, coal tar pitch volatiles and benzene Employees have reported some throat and eye irritation in this area The coalhandling fields (nine employees per shift) involve the loading, sorting; and grinding of coal for distribution to the various coke batteries 2020年4月30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 extractionStudy on the Dephenolization of wastewater of coal chemical 70 of genes coding for enzymes involved in phenol biodegradation (Lallement et al, 2018b) We found transcripts for phenol monooxygenases and phenol hydroxylases responsible for the hydroxylation of phenol into catechol and transcripts for catechol 1,2dioxygenases leading to the opening of the aromatic ringBiodegradation of phenol and catechol in cloud water: 2023年12月1日 The phenol simulated wastewater was prepared from phenol aqueous solution The volatile phenol and COD of actual coking wastewater was 480032 mg/L and 4006528 mg/L, respectively The actual coking wastewater was diluted 100 times as experimental water 23 Electrochemical system setup and experimentElectrocatalytic removal of phenol from coking wastewater using coal
Original Research Complex Mechanism of Phenol Extraction of Coal
Complex Mechanism of Phenol Extraction 1107 Plant Table 1 shows the analysis result of the basic water quality of the wastewater Table 1 shows that the contents of total phenol, volatile phenol, and nonvolatile phenol reach 5163, 4100, and 1063 ppm, respectively These values meet the characteristic of high phenolic content of gasificationPowder 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 High removal efficiency of volatile phenol from coking 2023年11月21日 This study focuses on improving the quality of tar and the content of light fractions by catalytic reforming of coal and biomass copyrolysis volatiles The catalyst was also highly selective for lowlevel phenols, increasing the phenol content in the copyrolysis tar by 1338%, 1122% for cresols, and 881% for xylenol In Catalytic upgrading of volatiles in copyrolysis of coal and 2023年2月1日 This study developed a method for the simultaneous determination of volatile phenol, cyanide, anionic surfactant, and ammonia nitrogen in drinking water, using a continuous flow analyzer The samples were first distilled at 145 °C The phenol in the distillate then subsequently reacted with alkaline ferricyanide and 4aminoantipyrine to form a red complex Simultaneous determination of volatile phenol, cyanide, anionic
High removal efficiency of volatile phenol from coking
High removal efficiency of volatile phenol from coking wastewater using coal gasification slag via optimized adsorption and multigrade batch process2021年10月1日 Steam distillation is one of the most efficient methods for extracting VPs and other volatile compounds due to the differences in boiling points of water and these volatile compounds Volatile phenolics, such as eugenol, isoeugenol, thymol and carvacrol have high boiling points (232–266 °C) and therefore these compounds can be distilled at a temperature Volatile phenolics: A comprehensive review of the antiinfective Complex Mechanism of Phenol Extraction 1107 Plant Table 1 shows the analysis result of the basic water quality of the wastewater Table 1 shows that the contents of total phenol, volatile phenol, and nonvolatile phenol reach 5163, 4100, and 1063 ppm, respectively These values meet the characteristic of high phenolic content of gasificationOriginal Research Complex Mechanism of Phenol Extraction of Coal 2022年12月28日 Abstract 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, NH3–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 High removal efficiency of volatile phenol from coking
An Effective Method to Detect Volatile Intermediates Generated
2016年10月3日 The coal sample had been stored outdoors for more than six months After cleaning with pure water, the coal sample was crushed into powder using a ball mill and a sieve Coal powder of 85–100 mesh was used in the bioconversion experiment, whereas coal powder smaller than 100 mesh was used in the bacteria acclimatization experimentThis study is aimed to investigate the bioactivities of volatile constituents in BC and to fatty acids, and aromatic compounds Phenol, 2,2′methylenebis[6(1,1 dimethylethyl)4methylwas Table 1 Volatile constituents of black coral identified by gas2021年12月1日 Request PDF Char suppression mechanism using recycled intermediate phenol in supercritical water gasification of coal Supercritical water gasification (SCWG) is a novel thermochemical Char suppression mechanism using recycled intermediate phenol 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 High removal efficiency of volatile phenol from coking
Adsorption of Volatile Phenol in Coking Wastewater by Diatomite
2012年10月1日 Coal process wastewater that discharged from coal conversion processes usually contains volatile phenol in high concentration As a natural mineral, diatomite demonstrates its excellent adsorption 1 Introduction China has abundant and widely distributed reserves of coal, with low metamorphic coal accounting for over 55% of the total reserves 1 Coal pyrolysis is a crucial stage in the processing and utilization of coal 2 Coal tar obtained through lowtemperature pyrolysis typically contains 20–30% phenolic compounds, including highvalue raw chemicals (phenol, cresol, Catalytic upgrading of volatiles in copyrolysis of coal and 2023年7月19日 Unraveling the Significance of Volatile Matter in Coal Delve into the intricate world of volatile matter in coal and its profound impact on energy production and industrial applications Explore the effects on combustion, environmental implications, and innovative approaches for a sustainable energy futureUnderstanding Volatile Matter in Coalwith low metamorphic coal accounting for over 55% of the total reserves1 Coal pyrolysis is a crucial stage in the processing and utilization of coal2 Coal tar obtained through lowtemperature pyrolysis typically contains 20–30% phenolic compounds, including highvalue raw chemicals (phenol, cresol, and xylenol, referred to as PCX)Catalytic upgrading of volatiles in copyrolysis of coal and
(PDF) Presence of phenol in wastewater effluent and its removal
2020年3月17日 Phenol by nature is an aromatic semi – volatile hydrocarbon, can be detected in wastewater, at varying rates, ranging from minimal 1 mg/L to 7000 mg/L in most industries as listed in Table 1 2024年1月19日 The isolated halophilic bacterial strain Halovibrio variabilis TG5 showed a good performance in the pretreatment of coal gasification wastewater With the optimum culture conditions of pH = 7, a temperature of 46 °C, and a salinity of 15%, the chemical oxygen demand and volatile phenol content of pretreated wastewater were decreased to 1721 mg/L and 94 Efficient flocculation pretreatment of coal gasification wastewater A static adsorption experiment was carried out to investigate the adsorption activity of different rock samples ( mudstone, sandy mudstone and sandston e) on volatile phenol which belonged to one of typical underground coal gasification contaminants The adsorption behaviors of volatile phenol in the rocks were achiev ed, and the distribution coefficients which represented the Study on Adsorption Ability of Volatile Phenols in Underground Coal Anthracene, Cresol, Crude tar, Dehydration, HBTA, Hydrocarbons, Phenol, tar, tar distillation, Coal Tar and its Distillation Processes Coal tar, which is condensed together with aqueous ‘gasliquor’ (ammoniacal liquor), when the volatile products of the carbonization of coking coal are cooled down It is acidic in nature and is water Coal Tar and its Distillation Processes IspatGuru
A review on the coal gasification wastewater treatment technologies
2016年3月1日 Coal gasification wastewater (CGW) The removal rate of volatile phenol increased from 4890% to 7050% after acid precipitation of CW by 40 mL reagent of sulfuric acid