manufacturing process of steelindustrial application of desulfurization using low
Production of a Desulfurization Biocatalyst by Two‐Stage
It was observed that the sulfur content of the diesel oil decreased from 250 mg‐sulfur L‐oil − 1 to as low as 61 mg‐sulfur L‐oil − 1 in 20 h. It implied that the biocatalyst developed in this study had a good potential to be applied to a deep desulfurization process to produce ultra‐low‐sulfur fuel oils.
Get PriceProgress of the technique of coal microwave desulfurization
desulfurization Microwaves are electromagnetic waves with frequencies between 0.3 and 300 GHz and wavelengths ranging from 1 mm to 1 m. The frequencies used for microwave heating are 915 MHz and 2.45 GHz whereas 2.45 GHz is much more common for civil use and industrial application. At present there are numerous studies on microwave
Get PriceDesulfurization of LF refining process for SPCC in JISCO
Steel and slag samples were taken at the start and the end of LF refining for steel plate cold common (SPCC) in the compact strip production (CSP) process and at the same time the temperature
Get PriceSteelmakingWikipedia
Steelmaking is the process of producing steel from iron ore and/or scrap steelmaking impurities such as nitrogen silicon phosphorus sulfur and excess carbon (the most important impurity) are removed from the sourced iron and alloying elements such as manganese nickel chromium carbon and vanadium are added to produce different grades of steel.
Get PriceDesulfurization of Biomass Syngas Using ZnO-Based
Dry-bed adsorptive desulfurization of biomass-based syngas with low to medium sulfur content using ZnO was investigated as an alternative to the conventional wet scrubbing processes. The technical feasibility of ZnO-based desulfurization was studied in laboratory-scale H2S breakthrough experiments. The experiments were set up to utilize realistic H2S concentrations from gasification and
Get PriceDesulfurizationan overview ScienceDirect Topics
The Beavon sulfur-removal (BSR) process is used to recover sulfur from the Claus tail gas (Street and Rameshni 2011 U.S. EPA 2015 Jafarinejad 2016a).This process represents the best-available control technology (BACT) potentially achieving 99.99 overall sulfur recovery with emissions of <10 ppmv H 2 S and 30 ppmv total sulfur (Rameshni) can also be effective at removing small
Get PriceAmmonia Based DesulfurizationIllinois
Some Reference Projects No. Client Name Capacity Contract date Startup date 1 Sinopec Corp. Hubei Fertilizer Company 1 120MW 1 50MW 2006.08 2007.08 2 Nanjing YPC Refining Chemical Co. Ltd. 2 150MW 2007.03 2008.03 3 Ningbo Jiufeng Power Co. Ltd. 1 125MW 2011.08 2012.06 4 Wanhua Chemical (Ningbo) Thermal Power Co. Ltd. 1 150MW 1 100MW 2012.05 2012.12
Get PriceWet sulfuric acid processWikipedia
The wet sulfuric acid process (WSA process) is one of the key gas desulfurization processes on the market today. Since the Danish catalyst company Haldor Topsoe introduced and patented this technology in the late 1980s it has been recognised as an efficient process for recovering sulfur from various process gases in the form of commercial quality sulfuric acid (H 2 SO 4) with simultaneous
Get PriceBreakthrough Characteristics of Reformate Desulfurization
At low water concentrations sulfur breakthrough was determined by the homogeneous COS formation at high water concentrations it was controlled by H2S breakthrough. Capacity loss due to COS formation and adsorption of water was also observed. Novel sorbent and process designs are required to improve the desulfurization performance.
Get PriceDesulfurization ability of refining slag with medium
The new slag with a basicity of about 3.5–5.0 and an Al 2 O 3 content of about 20wt has strong desulfurization ability. In particular the key for high-efficiency desulfurization is to keep oxygen potential in the reaction system as low as possible which was also verified by industrial trials.
Get PriceCNUSolution treating and sulfur melting device
The utility model discloses a solution treating and sulfur melting device used in semi-water gas desulfurization and converted desulfurization relating to the device for producing synthesis ammonia from the semi-water gas and solving the problems of high cost and large occupied area as two sets of solution treating and sulfur melting devices are required by the existing semi-water gas
Get PriceExperimental Investigation and Modeling of Sulfoaluminate
Desulfurization gypsum the byproduct from wet flue gas desulfurization and red mud from the production of aluminum oxide are two bulk industrial solid wastes that trigger many local environmental problems in China. This study aims to jointly utilize them. Through experimentation and modeling using FactSage it has been found to be feasible to prepare sulfoaluminate cement using these
Get PriceCONTROL OF SULFUR OXIDESEOLSS
3.2. Fuel Desulfurization Fuel desulfurization is State-of-the-Art in gas production where it may be applied to gases (sour natural gas) and in oil refineries (naphtha kerosene and distillates). Heavy distillates can still be treated but feature three phase trickling bed catalytic reactors.
Get PriceOxidative-Extractive Desulfurization of Model Fuels Using
desulfurization (EDS) and bio-desulfurization have recently been developed for deep desulfurization.2 3 One environmental or "green" approach to remove refractory S-compounds that is quickly gaining in popularity is the use of ionic liquids (ILs) for EDS.4 ILs are low-melting-point salts typically with melting points below 100 °C.
Get PriceNovel‐doped zinc oxide sorbents for low temperature
Eight metal oxide sorbents including transition metal doped ZnO/SiO 2 sorbents and ZnO/SiO 2 were prepared by incipient wetness impregnation for regenerable desulfurization applications at low temperatures (i.e. room temperature). Among them copper‐doped sorbent (Cu‐ZnO/SiO 2) demonstrated the highest saturation sulfur capacity of 0.213 g sulfur/g ZnO (54 of the theoretical capacity
Get PriceDesulfurization of Biomass Syngas Using ZnO-Based
Dry-bed adsorptive desulfurization of biomass-based syngas with low to medium sulfur content using ZnO was investigated as an alternative to the conventional wet scrubbing processes. The technical feasibility of ZnO-based desulfurization was studied in laboratory-scale H2S breakthrough experiments. The experiments were set up to utilize realistic H2S concentrations from gasification and
Get PriceDry Flue Gas Desulfurisation Technologyan overview
Yongsheng Zhang in Advances in Ultra-Low Emission Control Technologies for Coal-Fired Power Plants 2019. 6.1.3 Cobenefit control of mercury in desulfurization facilities. At present the main desulfurization methods used in power plants are wet dry and semidry flue gas desulfurization
Get Price(PDF) Application of recovered magnesium hydroxide from a
The results showed that the magnesium-based wet FGD process was more suitable for low SO2 concentration flue gas and indicated that the adding of Na2S2O3 could slightly enhance the desulfurization
Get PriceCarbon Nanomaterials for the Adsorptive Desulfurization of
The increasing demand for cleaner fuels and the recent stringent regulations of commercial fuel specifications have driven the research of alternative methods to upgrade the current industrial desulfurization technology. Adsorptive desulfurization the removal of refractory sulfur compounds using appropriate selective tailor-made adsorbents has shown up as a promising alternative in the
Get PriceCoal desulfurization and demineralization by chemical
methods a multistep process was developed and demonstrated in small-scale laboratory experiments for the production of super clean coal with both a low-ash content and a low-sulfur content. In this process the coal is first leached with a dilute sodium carbonate solution under
Get PriceHydrodesulfurizationWikipedia
Hydrodesulfurization (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol jet fuel kerosene diesel fuel and fuel oils. The purpose of removing the sulfur and creating products such as ultra-low-sulfur diesel is to reduce the sulfur dioxide (SO 2) emissions that result from using those fuels
Get PriceScrubbing Optimizing Flue Gas Desulfurization
Sep 01 2006 · It is the acid generated by absorption of the SO 2 into the liquid that drives the limestone dissolution process. Equation 2 CaCO 3 2H Ca 2 H 2 O CO 2 ↑. Equations 1 and 2 when
Get PriceDesulfurization of LF refining process for SPCC in JISCO
Steel and slag samples were taken at the start and the end of LF refining for steel plate cold common (SPCC) in the compact strip production (CSP) process and at the same time the temperature
Get PriceOXIDATIVE DESULFURIZATION A NEW TECHNOLOGY FOR
Oxidative desulfurization is an innovative technology that can be used to reduce the cost of producing ultra-low sulfur diesel (ULSD). The key to successful implementation of this technology in most refinery applications is effectively integrating the oxidative desulfurization unit with the existing diesel hydrotreating unit in a revamp situation.
Get PriceCNUSolution treating and sulfur melting device
The utility model discloses a solution treating and sulfur melting device used in semi-water gas desulfurization and converted desulfurization relating to the device for producing synthesis ammonia from the semi-water gas and solving the problems of high cost and large occupied area as two sets of solution treating and sulfur melting devices are required by the existing semi-water gas
Get PriceTreatment of Flue Gas Desulfurization Wastewater by an
An integrated membrane process for the treatment of wastewaters from a flue gas desulfurization (FGD) plant was implemented on a laboratory scale to reduce their salt content and to produce a water stream to be recycled in the power industry. The process is based on a preliminary pretreatment of FGD wastewaters which includes chemical softening and ultrafiltration (UF) to remove Ca2 and Mg2
Get Price
