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·based treatment process appears to be very attractive as the resulting ammonium sulfate is a valuable by product while meeting the emission standard of SO 2 Gao et al 2010; Jia et al 2010; Wang et al 2015 Compared with the widely used limestone gypsum desulfurization method the investment of ammonia desulfurization technology is about
·Study on Optimization of natural gas desulfurization process by MDEA method Chenlin Pan a Yunfeng Liu b School of Petroleum Engineering Northeast Petroleum University Daqing 163318 China a543185369 blyfnepu Abstract The desulfurization process of high sulfur natural gas in a natural gas purification plant was
·The use of ammonium reagents in the processes of semi dry desulfurization of flue gas is promising since the product of desulfurization is ammonium sulfate which can be used as a mineral fertilizer
·The industrial wastecontaining flux showed comparable efficiency to commercially used fluxes indicating its potential as an effective alternative This study contributes to a better understanding of the desulfurization process and offers an environmentally friendly option for desulfurization in steelmaking
·The flue gas desulfurization technology in PPSBs is a complex multiphase system and the schematic of the desulfurization process is shown in Fig can be seen that the sulfur containing flue gas and slurry a mixture of water and absorbent Ca OH 2 enter the spouted bed from the bottom nozzle and the upper nozzle continuously
DOI / Corpus ID 219444191; An aeration membrane absorption seawater flue gas desulfurization process intensified by combining dual phase flow and oxidation reaction
·1 Introduction Desulfurization of refinery main products such as petroleum gas gasoline jet and diesel fuels lubricants bitumen wax and petrochemicals is of environmental health and economic values towards meet changing societal needs [1] Achieving low sulfur <10 ppm or zero content in transportation fuel requires different combinatoric factors ranging from
·A model to simulate the desulfurization process for reaction of flue gas with lime at middle temperature 400 800d̀C has been established based on the grain model The rationality of the model
·The mechanism of resulfurization in the desulfurization process with magnesium vapor produced in situ by aluminothermic reduction of magnesium oxide was clarified in the present work
·Oxidative Desulfurization Process Marcello Crucianelli 1 Bruno Mattia Bizzarri 2 Raffaele Saladino 2 1 Depa rtm ent o f Ph ysic al and Chem ical Sci enc es
Variation law of steam temperature in wet desulfurization system was analyzed while saturated steam temperatures influenced by various inlet gas temperatures quantitative calculation and comparison was made on water consumption before and after reduction of inlet flue gas temperature and relevant experimental results were show that the flue
·The selectivity of this process for different sulfur compounds Different sulfur compounds have different electron densities on the sulfur atoms and steric hindrance plays important roles in
·The metal organic frameworks MOFs compromise a wide ranging of chemical structure for the desulfurization process In this review study the current published studies and researches about sulfur removal in liquid and gas purification processes using MOFs are systematically gathered and compared According to the broad contextual information
·desulfurization technologies employed in refineries has intensified In today s refineries hydrotreatment is the conventional method used for the removal of sulfur and its derivatives via the process commonly referred to as hydrodesulfurization HDS 5 It is a catalytic process that uses cobalt molybdenum or nickel
·The present study integrated the multiphase flow of molten steel desulfurizer dispersion and desulfurization kinetics to explore the impact of injection amount injection speed and lance position on desulfurizer injection desulfurization This investigation employed a coupled k ε model Volume of Fraction VOF model Discrete Phase Model DPM user defined scalar
·With the increasingly prominent global energy and environmental problems more and more enterprises have been required to desulfurize the exhausted gases Different enterprises have different demands for the desulfurization process thus the choice of desulfurization process methods has become a focus of attention Since the evaluation of the
·The adsorption desulfurization is an economical convenient and green process due to its low cost relative simplicity and mild operating conditions Khan et al 2011 Khan and Jhung 2012 For this reason adsorptive desulfurization technology can be regarded as an important future direction for liquid fuel desulfurization
·This blog post is the third in a three part series that discusses flue gas desulfurization FGD The first post provides overviews of sulfur dioxide SO 2 and emissions regulations the FGD industry and global FGD market second post provides high level overviews of wet semi dry and dry FGD technologies with respect to SO 2 capture
In this work K7PW11O39 abbreviated as PW11 was immobilized on ZrO2 nanofibers and used as an efficient recyclable catalyst in extraction catalytic oxidation desulfurization system ECODS The 500 ppm DBT model oil 5mL can desulphurize completely within 20 min with the catalytic conditions of 50°C g 50 wt%CTAB PW11 ZrO2 nanofibers and O/S molar
·In the biological removal process H 2 S is oxidized by sulfur oxidizing bacteria with the existence of oxygen O 2 San Valero et al 2019 The drawback is that O 2 will affect the digestion process negatively and form explosive mixture with CH 4 Awe et al 2017; Petersson 2013; San Valero et al 2019 Adsorption process usually
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·Experts explain the control of hot metal sulfur coming in high levels from the blast furnace during steelmaking by the combined technology of hot metal and steel desulfurization
·Desulfurization process by using piezo catalyst In a Pyrex cell 50 mg of piezocatalyst was used to oxidative desulfurize the model fuel and 25 mL of model fuel TP or dibenzothiophene DBTP /n
·A promising alternative to HDS is the extractive desulfurization EDS process due to its mild operating conditions Deep eutectic solvents DESs formed from a eutectic mixture of Lewis/Brønsted acids and bases have been prominent in research over the last few years This review aims to discuss the advantages of EDS using DESs over other
·The SulFerox desulfurization process adopts chelated iron as the catalyst which lowers iron precipitation enhances the stability of the iron based catalyst and greatly improves desulfurization efficiency The total iron content in the absorbing liquid ranges from 500 to 1500 μg/L and the desulfurization liquid system is weakly alkaline
article{Wang2020EffectOP title={Effect of pre desulfurization process on the sulfur forms and their transformations during pyrolysis of Yanzhou high sulfur coal} author={Meijun Wang and Yanfeng Shen and Yongfeng Hu and Jiao Kong and Jiancheng Wang and Liping Chang} journal={Fuel} year={2020} volume={276} pages={118124} url={https //api
·The desulfurization process was a process controlled by the gas film Various factors had little effect on the desulfurization effect and the removal rate was almost 100% [167] Y Jia et al established a mathematical model of the total sulfite oxidation process of ammonium sulfite and ammonium bisulfite in the ammonia desulfurization process
