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Upgrading Traditional Copper Industry With Advanced Technology

Kong Fanyi

Strategic Study of CAE 2001, Volume 3, Issue 9, Pages 69-76

Abstract: .), built in early 1960s, is mainly engaged in smelting of copper concentrate with electric furnace.in the past two decades, especially the introduction of the advanced oxygen-enriched top-blown bath smeltingto replace the electric furnace smelting, the enterprise has been enhanced rapidly.disposal will meet the environment requirements, hence clean production will be realized in the plant, and electric

Keywords： copper industry electric furnace smelting technical upgrading oxygen-enriched top-blown bath smelting

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ISA-YMG Smelting Process for Lead Bullion

Wang Jikun,Zhou Tingxi,Feng Guilin

Strategic Study of CAE 2004, Volume 6, Issue 4, Pages 61-66

Abstract: reviews the history of the extractive metallurgy of lead and describes the characteristics of modern lead smeltingIn view of the present situation of lead bullion smelting in China, and on the basis of years' researchon the treatment of high-lead slag by YMG, the paper introduces the ISA-YMG smelting process for leadeffective, energy-saving and clean, and provides the results of industrial tests of the YMG reduction smelting

Keywords： ISA oxidation smelting of lead high-lead slag YMG reduction smelting of lead new smelting process for

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Fulfillment and Development of Cold Air Flash Smelting Technology in China

Zhang Wenhai

Strategic Study of CAE 2002, Volume 4, Issue 11, Pages 19-25

Abstract:

The application of the six new technologies including cold air flash smelting and the outstandingproduction in Jinlong Copper Smelter are introduced in this article on the basis of the flash copper smeltinginfection and dynawave scrubbing system, and a new research direction regarding copper and nickel flash smelting

Keywords： copper metallurgy flash smelting cold air smelting dynawave scrubbing China

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Flash Smelting——Clean and Efficient Smelting Technology

Zhou Songlin

Strategic Study of CAE 2001, Volume 3, Issue 10, Pages 86-89

Abstract:

With more and more strict environmental requirements, copper smelting industries are facing severeFlash smelting, one of the most competitive smelting technologies in the world, is considered as a standardDue to its well meeting with the general trend of sustainable development strategy, flash smelting iswidely introduced to most newly built smelters and smelting expansion projects.This article gives general introduction of the specialty of flash smelting technology and its following

Keywords： flash smelting copper metallurgy environment protection clean production

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Extension of pilot tests of cyanide elimination by ozone from blast furnace gas washing water through

Ismael Matino, Valentina Colla, Teresa A. Branca

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4, Pages 718-730 doi: 10.1007/s11705-018-1771-2

Abstract:

For improving wastewater quality, one of the dare of steelworks is reducing cyanide in wastewater of gas washing treatment of blast furnaces. Costs of existing treatments, stringent environmental regulations and changeable composition of water from gas treatment, have led to study how available treatments can be modified and to examine new ones. Ozonation is one of cyanide treatments, tested within a European project. A process model was set up with Aspen Plus^®, to assess operating conditions and wastewater distinctive characteristics and to demonstrate treatment robustness. Process was modeled by theoretical reactors, taking into account all more affecting reactions. A genetic algorithm was exploited to find kinetic parameters of these reactions. After validation, the model was used to analyse scenarios, by considering also real contexts. Pilot tests were extended, process knowledge was enhanced and suggestions were obtained. To promote cyanide removal with ozone, temperature and pH values were 30°C and 10, respectively. With an ozone (mg/h)/water (L/h) ratio of 100 mg/L, batch mode ensure reaching cyanide regulation limit (0.2 mg/L) after maximum 4.5 h, if initial amount was less than 20 mg/L. Higher removal was obtained than in continuous mode due to constraints related to this last run. Higher wastewater contamination needed further time and more ozone.

Keywords： blast furnace cyanide removal gas washing water modeling and simulation ozonation

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Effective enrichment of Zn from smelting wastewater via an integrated Fe coagulation and hematite precipitation

Zhan Qu, Ting Su, Yu Chen, Xue Lin, Yang Yu, Suiyi Zhu, Xinfeng Xie, Mingxin Huo

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1178-4

Abstract: 98.5% Zn was enriched from Zn-bearing smelting wastewater. 99.5% Fe was hydrothermally precipitatedThe residual Zn was 2169 mg/L, 290 times of that in smelting wastewater.Coagulation is commonly applied to treat Zn-bearing wastewater from smelting industries (smelting wastewaterHerein, we demonstrated a novel approach to recycle Zn effectively from smelting wastewater via an integratedFirst, smelting wastewater was coagulated by adding ferric chloride to generate Fe/Zn-bearing sludge

Keywords： Smelting wastewater Hydrothermal Hematite precipitation Heavy metals

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Washing out heavy metals from contaminated soils from an iron and steel smelting site

Guangxu ZHU,Qingjun GUO,Junxing YANG,Hanzhi ZHANG,Rongfei WEI,Chunyu WANG,Marc PETERS,Xiaoyong ZHOU,Jun YANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4, Pages 634-641 doi: 10.1007/s11783-014-0713-6

Abstract: washing agents and to clean up heavy metals from two heavily polluted soils from an iron and streel smelting

Keywords： heavy metals soil washing toxicity reduction index iron and steel smelting site

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The Research of the Detecting Means for the New Model of the Gas Density in Recycled Waste Gas Furnace

Shen Yuansheng,Liu Yongjie,Wang Deyong,Li Benwen

Strategic Study of CAE 2005, Volume 7, Issue 5, Pages 70-72

Abstract:

By analyzing the feature of the process for the recycled waste gas in furnace, let the volume of wasteflow of waste gas and the recycled times of waste gas which goes into combustion-supporting air in furnace

Keywords： tested model combustion material combustion ratio recycling furnace

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Techno-economic analysis of the adoption of electric vehicles

Donald KENNEDY, Simon P. PHILBIN

Frontiers of Engineering Management 2019, Volume 6, Issue 4, Pages 538-550 doi: 10.1007/s42524-019-0048-x

Abstract: Climate change and concerns over reliable supplies of hydrocarbons are aiding in the focus on electricAlthough sales of electric vehicles are accelerating, it may not be clear that purchasing an electricA techno- economic analysis of electric vehicles comparing them against hybrids, gasoline and dieselcomplexity of electrical power supply, infrastructure requirements and full life cycle concerns show that electric

Keywords： BEV battery powered electric vehicle environmental impact of electric vehicles techno-economic analysis gasoline versus electric powered cars diesel versus electric cars consumer behaviour

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Stem cell niches and endogenous electric fields in tissue repair

Li LI, Jianxin JIANG

Frontiers of Medicine 2011, Volume 5, Issue 1, Pages 40-44 doi: 10.1007/s11684-011-0108-z

Abstract: are involved in the stem cell-based repair process, including stem cell niches and endogenous wound electricHere we briefly review the role of stem cell niches and endogenous electric fields in tissue repair,and hypothesize that endogenous electric fields become part of stem cell niche in the wound site.

Keywords： stem cell stem cell niche electric field tissue repair

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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 using a modified Claus unit. A process simulator called TSWEET has been used to consider the Claus process. The effect of the H S concentration, the H S/CO ratio, the input air flow rate, the acid gas flow of the acid gas (AG) splitter and the temperature of the acid gas feed at three different oxygen concentrations (in the air input) on the main burner temperature have been studied. Also the effects of the tail gas ratio and the catalytic bed type on the sulfur recovery were studied. The bed temperatures were optimized in order to enhance the sulfur recovery for a given acid gas feed and air input. Initially when the fraction of AG splitter flow to the main burner was increased, the temperature of the main burner increased to a maximum but then decreased sharply when the flow fraction was further increased; this was true for all three concentrations of oxygen. However, if three other parameters (the concentration of H S, the ratio H S/CO and the flow rate of air) were increased, the temperature of the main burner increased monotonically. This increase had different slopes depending on the oxygen concentration in the input air. But, by increasing the temperature of the acid gas feed, the temperature of the main burner decreased. In general, the concentration of oxygen in the input air into the Claus unit had little effect on the temperature of the main burner (This is true for all parameters). The optimal catalytic bed temperature, tail gas ratio and type of catalytic bed were also determined and these conditions are a minimum temperature of 300°C, a ratio of 2.0 and a hydrolysing Claus bed.

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

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The Second National Symposium on Flash Smelting Technology

宋修明

Strategic Study of CAE 2000, Volume 2, Issue 7, Pages 94-94

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Data-driven soft sensors in blast furnace ironmaking: a survey Review Article

Yueyang LUO, Xinmin ZHANG, Manabu KANO, Long DENG, Chunjie YANG, Zhihuan SONG

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 3, Pages 327-354 doi: 10.1631/FITEE.2200366

Abstract: The is a highly energy-intensive, highly polluting, and extremely complex reactor in the . are a key technology for predicting molten iron quality indices reflecting energy consumption and operation stability, and play an important role in saving energy, reducing emissions, improving product quality, and producing economic benefits. With the advancement of the Internet of Things, big data, and artificial intelligence, data-driven in es have attracted increasing attention from researchers, but there has been no systematic review of the data-driven in the . This review covers the state-of-the-art studies of data-driven technologies in the . Specifically, we first conduct a comprehensive overview of various data-driven soft sensor modeling methods (multiscale methods, adaptive methods, , etc.) used in ironmaking. Second, the important applications of data-driven in ironmaking (silicon content, molten iron temperature, gas utilization rate, etc.) are classified. Finally, the potential challenges and future development trends of data-driven in ironmaking applications are discussed, including digital twin, multi-source data fusion, and carbon peaking and carbon neutrality.

Keywords： Soft sensors Data-driven modeling Machine learning Deep learning Blast furnace Ironmaking process

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Recent progress in electric-field assisted combustion: a brief review

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 883-899 doi: 10.1007/s11708-021-0770-z

Abstract: Among the combustion technologies, electric-field assisted combustion is an advanced techno-logy thatIn the last two decades, tremendous efforts have been made to understand electric-field assisted combustionThese findings significantly facilitate the application of electric-field assisted combustion.

Keywords： electric field combustion flame stabilization emission reduction flame propagation

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Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4, Pages 409-412 doi: 10.1007/s11465-006-0048-5

Abstract: The ES (electric supercharger) driven by a high-speed brushless motor was developed to solve the problemThe structural design of the electric supercharger is novel, which makes it easier to set the lubricatingThe velocity distribution at the outlet of the electric supercharger is determined by hot-wire anemometryResearch results indicate that the electric supercharger can respond rapidly with the great flux, and

Keywords： acceleration velocity distribution high-speed brushless turbocharger electric supercharger