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Impacts of CO2 and H2S on the risk of hydrate formation during pipeline transport of natural gas

Solomon A. Aromada, Bjørn Kvamme

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3, Pages 616-627 doi: 10.1007/s11705-019-1795-2

Abstract: The impacts of CO and H S in natural gas on the maximum mole-fractions of water that can be toleratedVarying mole-fractions of CO and H S were introduced into the Troll gas, and the effects these inorganicWater tolerance decreases with increase in concentration of H S.of C H like H S.H S has the most impact, it tolerates the least amount of water among the components studied.

Keywords： hydrate hydrogen Sulphide CO₂ dew point pipeline

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Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Strategic Study of CAE 2009, Volume 11, Issue 8, Pages 38-43

Abstract:

To understand the present status of the issue of H₂S stress, test method, influence factor, evaluation standard of stress corrosion and the material demand in H2S

Keywords： H2S stress corrosion operation manual evaluation standard welding residual stress

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Safety engineering introduction for development of gas field with high H2S content—safety engineering

Cao Yaofeng

Strategic Study of CAE 2010, Volume 12, Issue 10, Pages 9-13

Abstract:

Facing the development and construction engineering of China's firstlarge gas field with high H2S content and ultra depths, on predecessors' bitter lesson basis, weAs a result, systematic technologies of safety engineering and development of gas field with high H2S

Keywords： gas field with high H2S content development construction safety engineering introduction

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Internal corrosion control and monitoring of Puguang gas gathering system

Ou Li,Li Shijie,Su Guofeng

Strategic Study of CAE 2010, Volume 12, Issue 10, Pages 70-75

Abstract:

The corrosion features of highly hydrogen sulfur and carbon dioxide sour gas field were introduced, and the corrosion research results of simulating site operation condition of Puguang gas gathering system during the Puguang Gas Field development were discussed. The corrosion control plan of"carbon steel + corrosion inhibitor + pigging + corrosion monitoring" was expounded which is designed for the Puguang Gas Field with highly hydrogen sulfuer , involuted terrain, a dense population, and a "wet" gas gathering system. The execution effect of corrosion control & monitoring was preliminarily evaluated, and the proposal for some existing problems was given.

Keywords： Puguang sour gas field H2S CO2 wet gas transmission corrosion inhibition corrosion monitoring

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An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3, Pages 362-371 doi: 10.1007/s11705-011-1106-z

Abstract: In a modern day sulfur recovery unit (SRU), hydrogen sulfide (H S) is converted to elemental sulfur usingThe effect of the H S concentration, the H S/CO ratio, the input air flow rate, the acid gas flow ofHowever, if three other parameters (the concentration of H S, the ratio H S/CO and the flow rate ofThis increase had different slopes depending on the oxygen concentration in the input air.In general, the concentration of oxygen in the input air into the Claus unit had little effect on the

Keywords： Claus unit concentration of H₂S tail gas ratio sulfur recovery catalytic bed

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Photoelectrocatalytic generation of H and S from toxic HS by using a novel BiOI/WO nanoflake array photoanode

Frontiers in Energy 2021, Volume 15, Issue 3, Pages 744-751 doi: 10.1007/s11708-021-0775-7

Abstract: In this paper, a photoelectrocatalytic (PEC) recovery of toxic H₂S into H₂ andsub>2S totally converted S^2– into S without any polysulfide (

H

₂ was simultaneously generated at a rate of about 0.867 mL/(h·cm).The proposed PEC H₂S splitting system provides an efficient and sustainable route to recoverH₂ and S.

Keywords： oxyiodide (BiOI)/ tungsten trioxide (WO₃) nano-flake arrays (NFA) photoelectrocatalytic (PEC) H₂S splitting H₂ S

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NO_x and H₂S formation in the reductive zone of air-staged combustion of

Jinzhi CAI, Dan LI, Denggao CHEN, Zhenshan LI

Frontiers in Energy 2021, Volume 15, Issue 1, Pages 4-13 doi: 10.1007/s11708-020-0804-y

Abstract: This paper focused on the investigation of reductive gases in the formation of NO and H S in the reductiveBoth the CO and H S concentrations inblended coal combustion increase with an increase in the combustionBased on accumulated experimental data, one interesting finding was that NO and H S from blended coalcombustion were almost directly dependent on the CO concentration, and the CO concentration of the blendedcoal combustion depended on the single char gasification conversion.Thus, CO, NO , and H S formation

Keywords： blended coal combustion NO_xformation H₂S formation air staged combustion

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Removal of P₄, PH₃ and H₂S from Yellow Phosphoric Tail Gas by a Catalytic

Ning Ping,Hans-Jörg Bart,Wang Xueqian,Ma Liping,Chen Liang

Strategic Study of CAE 2005, Volume 7, Issue 6, Pages 27-35

Abstract: sulfide in yellow phosphorus tail gas was investigated with activated carbon and a home-made catalyst KU2.Both KU2 and activated carbon proved to be effective catalysts in the catalytic oxidation process (COP) for H₂S and PH₃ removal.Purification efficiency increases with the increase of temperature and oxygen concentration in yellow

Keywords： catalyst catalytic oxidation H₂S P₄ PH₃ fixed bed

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activated rapid addition and mitochondrial targeting ratiometric fluorescent probes for in vivo cell H₂S imaging

Yan Shi, Fangjun Huo, Yongkang Yue, Caixia Yin

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1, Pages 64-71 doi: 10.1007/s11705-021-2048-8

Abstract: for H S, and at the same time, a ratiometric fluorescence response is presented throughout the processof H S detection.As such, the lower detection limit can reach 55.7 nmol/L for H S.S.Finally, this probe application was verified by imaging H S in nude mice.

Keywords： heterocyclic compound hydrogen sulfide ratiometric mitochondrial targeted

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PSS sorbents for removing trace hydrogen sulfide in methane

Limei ZHONG, Li ZHOU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3, Pages 339-342 doi: 10.1007/s11705-010-0569-7

Abstract: Sorbents of the pressure swing sorption process (PSS) to remove trace amount of H S (190 ppm) contained) and absorbent which spreads outside the carrier granules’ pores (triethanolamine, TEA or -methyl-2-The loaded absorbent could enlarge the sorption capacity of H S considerably.And the BET tests indicate that the absorbent deposits on the surface of the carrier’s pores and can

Keywords： pressure swing sorption H₂S methane carrier absorbent

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Development progress of China’s 600 km/h high-speed magnetic levitation train

Frontiers of Engineering Management 2022, Volume 9, Issue 3, Pages 509-515 doi: 10.1007/s42524-022-0199-z

Abstract: . {{custom_ra.content}} . . . {{article.highlightEn}} . . . {{article.abstractEn}} . . . {{article.authorSummayEn}} . . . . .

Keywords： 600 km/h high-speed magnetic levitation train development history technological innovation

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Mechanism insight into the formation of HS from thiophene pyrolysis: A theoretical study

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1404-8

Abstract:

• Possible formation pathways of H₂S were revealed in thiophene

Keywords： Density functional theory Waste rubber Thiophene H₂S Pyrolysis

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VALORIZATION OF BIOGAS THROUGH SIMULTANEOUS CO AND HS REMOVAL BY RENEWABLE AQUEOUS AMMONIA SOLUTION IN MEMBRANE CONTACTOR

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3, Pages 468-478 doi: 10.15302/J-FASE-2022473

Abstract:

● Simultaneous H₂S and CO₂ removal from biogas

Keywords： biomethane biogas purification CO₂ removal H₂S removal membrane absorption

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Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry

Jiao HU,Xiufan LIU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1, Pages 11-24 doi: 10.15302/J-FASE-2016092

Abstract: The H9N2 and H5N1 avian influenza viruses (AIVs) have been circulating in poultry in China and becomeof influenza viruses, such as the well-known viruses of the highly pathogenic avian influenza (HPAI) H5N2and the 2013 novel H7N7, H7N9 and H10N8 subtypes, thereby threatening both the poultry industry and

Keywords： avian influenza virus H9N2 H5N1 novel viruses public health

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Microstructural and photocatalytic characterization of cement-paste sol-gel synthesized titanium dioxide

Elena CERRO-PRADA,Miguel MANSO,Vicente TORRES,Jesús SORIANO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2, Pages 189-197 doi: 10.1007/s11709-015-0326-6

Abstract: As a particular microstructural feature, TiO containing calcium silicate hydrate (C-H-S) particles areidentified as networking centers of a C-S-H gel fiber matrix.The increase of the TiO sol concentration induces a decrease of pore size and an increase in the specificSuch new cement matrix may be twofold advantageous since it additionally promotes the formation of C-S-H

Keywords： cement composites photocatalytic TiO₂ sol-gel C-S-H gel microstructure