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
Water slag treatment
Recycled Smelter Slags for In Situ and Ex Situ Water and MDPI
2023年3月6日 Slags from the ferrous and nonferrous metallurgical industries have been used to treat toxic contaminants in water and wastewater Using slag as a recycling or renewable resource rather than a waste product has environmental and economic benefits Recycled Then, an overview will be given of the use of slags as photocatalysts in water Metallurgical Wastes Employ2022年12月20日 This paper mainly summarizes and analyzes the treatment methods of metallurgical slag used as decontamination material and the removal effect of pollutants in A review of metallurgical slag for efficient wastewater treatment 2020年1月1日 Slag is highly effective in removal of phosphorous from municipal wastewater Water treatment process densifies the structure of porous slag The ITZ between the slag and Recycling steel slag from municipal wastewater treatment plants
Mechanism of Acid Mine Drainage Remediation with
2021年11月5日 Steel slag as a neutralizing adsorbent shows a good application prospect in wastewater treatment Herein, the characteristics, mechanism, influencing factors, and application of steel slags in AMD remediation have 2018年2月5日 Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment are saved; thirdly, water resources, Valorization of Metallurgical Slag for the Treatment of Water 2019年4月26日 Then, an overview will be given of the use of slags as photocatalysts in water treatment, organized according to the origin of the product (steel, copper, magnesium, ferromanganese), as well as emerging reports on Metallurgical Wastes Employed as Catalysts and 2018年2月5日 Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment are saved; thirdly, water resources, which are unfit for(PDF) Valorization of Metallurgical Slag for the
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Steel Slag and Limestone as a Rock Filter for
2023年2月8日 RF was designed with steel slag and limestone (calcium hydroxide) as a pilot scale called vertical aerated steel slag filter (VASSF) and optimized based on hydraulic loading rates (HLR) (016 to 544 m 3 /m 3 day) 2022年12月20日 There have been many reports using metallurgical slag to treat pollutants in wastewater such as heavy metals, dyes, and organics Using metallurgical slag to treat A review of metallurgical slag for efficient wastewater treatment 2014年2月19日 In China, different methodologies are used to granulate the BF slags These mainly include INBA [2], TYNA [3], SGMTC, and Jiaheng processes These processes involve Current Development of Slag Valorisation in China2022年12月20日 Metallurgical slag contained abundant metal oxides, such as Fe 2 O 3, Al 2 O 3 and CaO, which had high catalytic activity and provided a potential source of metals for wastewater treatment In addition, metallurgical slag also had a high specific surface area, which also provided favorable conditions for the removal of pollutantsA review of metallurgical slag for efficient wastewater treatment
Utilization of Steel Slag for Wastewater Treatment: A Review
2022年5月14日 Now, the blast furnace slag has located capability which makes use of like treatment of acid mine drainage, stabilization of sewage sludge and natural soil, polluted resources of water and wastewater which include nutrients and heavy metals, and consequently is not considered a waste [4, 5]The steel slag mainly consists of CaO, SiO 2, P 2 O 5, FeO, Fe 2 2014年2月19日 A spray removes the dust in the steam generated by the slag processing, and the steam is discharged via a smokestack The maximum treating ability of this process is 3 ton slag/min Water consumption is 1 ton/ton slag and 60 % of the water is in circulation after being filtered Free lime in the BSSF treated slag is about 1 %Current Development of Slag Valorisation in ChinaSo far, water treatment method is widely used in the cooling method of blast furnace slag There are many kinds of water treatment method for BF SLAG, such as similar to that of water treatment slag And the heat recovery rate is approximate 60% However, there is no followup report due to its drawbacks, mainly summary as follow:A Review of Granulation Process for Blast Furnace Slag Semantic 2020年1月1日 Recycling of waste slag into concrete after water treatment contributes towards circular economy Abstract Municipal wastewater is a major source of the release of phosphorus into the marine environment, and its excessive release Recycling steel slag from municipal wastewater treatment plants into
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Adsorption Removal of Organophosphates from Water by Steel Slag
2024年11月3日 Organophosphates are a type of emerging environmental contaminant, which can be removed effectively by adsorption Here, modified steel slag was examined for its adsorptive performance in the removal of hydroxyethylidene diphosphonic acid (HEDP) from water Compared to acid (553%, maximum removal rate) and base (855%) modification, high Water quenching blast furnace slag (WQBFS) is widely produced in the blast furnace iron making process It is mainly composed of CaO, MgO, Al2O3, and SiO2 with low contents of other metal elements Treatment procedure of water quenching blast furnace slag2019年4月26日 Degradation and mineralization of complex organic molecules by AOPs using metallurgical slag is a new approach associated with the development of alternative water treatment methods One reason is the relatively low market value of water for industrial, agricultural, and domestic consumption, together with the very high volumes to be treatedMetallurgical Wastes Employed as Catalysts and Photocatalysts for Water 2016年8月23日 Abstract Slag dumping and water granulation are the most commonly used slag treatment methods in the metallurgical industries In both processes, water is present (by desire for cooling and dispersion or as a result of rain accumulation) and thus equipment and operations are designed to minimize and mitigate the risk of steam explosions resulting from the Dry Slag Granulation: A Path to Improving the Safety and Sustainability
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Recent research progress on recycling metallurgical waste slag
2024年11月1日 The solidstate hydrothermal leaching method results in substantial wastage of cooling water and slag heat during treatment, leading to H 2 S pollution In recent years, a novel method for treating impurity elements in waste slag, known as 2017年9月1日 Molten slag from pyrometallurgical furnaces is tapped at high temperature, carrying a large amount of thermal energy But the common slag dumping and water granulation methods used for slag (PDF) RECENT DEVELOPMENTS IN DRY SLAG 2022年11月1日 Heavy metal content in sludge and sludge samples together with BOF slag after 2 h of treatment and phosphorus concentration in sludge and sludge mixtures with BOF slag after 2 h of treatment At this point it should be noted that the CN value will depend on the content of polymeric substances, such as proteins and carbohydrates, due to their absorption capacity ( BOF slag as a new alkalizing agent for the stabilization of sewage 2021年11月5日 This paper elaborately reviewed the structure, properties, water treatment applications of steel slags, and the mechanism for removing heavy metal ions from acid mine drainage, discussed the problems existing in Mechanism of Acid Mine Drainage Remediation with
Effects of two plant species combined with slagsponges on the
2023年4月13日 Constructed wetland (CW), an ecological water treatment system, can purify and repair the damaged saline water body in an open watershed, but its repairing function is limited at low temperature under salt stress In this study, two different plant species with slagsponge layer were operated to enhance the purification effect of CW on the damaged saline water body for treatment of waste water In addition, the application of steel slag in waste water is economical and effective because of its low price and large dosage, and it is also an important way to recycle steel slag In this paper, the application of steel slag as adsorbent material for waste water treatment is introduced 2An overview of resource utilization of steel slag as absorbent The present invention relates to a waterwashing type slag treatment method Slag drops to a waterwashing sieving machine through a raw material collecting hopper, and the slag with different specifications are separated; after residual steel of the slag with the different specifications is separated by a magnetic separator, the slag with the maximal specification is Water washing type slag treatment method Google Patents2020年10月15日 An appropriate water amount (L/S to 04 mLg −1) can promote metal cations leaching from the SS the treatment and application of carbonized slag and residual slag requires further study while the longterm leaching behavior of carbonated slag and residual slag and the potential environmental risks still need to be evaluated Cotreatment of Waste From Steelmaking Processes: Steel Slag
Review on treatment technologies of coal gasification wastewater
2022年1月20日 After treatment, the fresh water flows back to the Niconi pump, and then enters the air floating pool after being mixed with the air and water The untreated wastewater enters the air float pond The wastewater fully mixes with the back water after dissolved gas in 2021年11月28日 Blast furnace slag, which is the main byproduct of the ironmaking process discharged at 1450 °C, contains highquality sensible heat, while oily sludge is the main solid waste produced in the process of gas exploration, storage, and transportation The energy and resource utilization of blast furnace slag is complementary to the environmentally friendly Effect of Oily Sludge Treatment with Molten Blast Furnace Slag1 天前 Notably, the addition of steel rolling sludge incineration slag reduced dioxin concentrations in the sintering flue gas Although CO, NOx, and SO2 emission concentrations slightly increased, the existing flue gas treatment system effectively controlled their emissions Steel rolling sludge water, iron, and other impurities, with Treatment of steel rolling sludge incineration slag via iron ore 2022年2月2日 This study presents an economical and efficient method to decolourise dye wastewater using industrial waste stainless steel slag (SSS) Titanium dioxide was immobilised on SSS by a precipitation–calcination method Samples with different TiO2 loadings (prepared using either titanium isopropoxide precursor or commercial TiO2 nanoparticles) were used to Synergetic adsorption–photocatalysis process for water treatment
A new technological approach to the granulation of slag melts of
2021年11月3日 The technological factors required to improve the operational properties of granulated metallurgical slags demanded in the building industry have been analyzed In order to satisfy these factors, a new technology for hydrovacuum granulation of slag melts (HVG) has been developed It is shown that the main advantage of the proposed HVG process is the 2016年6月1日 Energy–environment–economy evaluations of commercial scale systems for blast furnace slag treatment: Dry slag granulation vs water quenching Author links open overlay panel Hong Wang a b, JunJun Wu b, Xun Zhu a b, Qiang Liao a b, Liang the implementation of WQ method for slag treatment involves with fresh water Energy–environment–economy evaluations of ScienceDirect2023年4月21日 Large amounts of copper slag are produced every year and major fractions of it are currently disposed, not withstanding the multiple ways the material can be used Application of the slag is often limited by the presence of hazardous elements and their leaching behavior so they can potentially pollute soil, surface water and underground water To remove such Sustainable and Comprehensive Utilization of Copper Slag: A2022年4月19日 The management of salt slag, a waste from the secondary aluminum industry, is associated with huge environmental concerns due to the risk of atmospheric pollution (emission of toxic gases), groundwater contamination (high salt content that can percolate and cause an increase in salinity) and soil unavailability (large extensions required for disposal) Therefore, Sustainable Management of Salt Slag MDPI
Spent lime, calcium water treatment residuals and application in
2023年2月21日 While providing extensive information on water treatment residuals, there is a section focused specifically on stormwater applications for calcium water treatment residuals Note there are several other calcium materials that have potential application in stormwater (eg hydrated lime, limestone, slag)Steel slag is one of the most common waste products from the steelmaking industry Conventional methods of slag disposal can cause negative impacts on humans and the environment In this paper, the process of steel and steel slag production, physical and chemical properties, and potential options of slag recycling were reviewed Since steel is mainly produced through an Assessment of Electric Arc Furnace (EAF) Steel Slag Waste’s2024年1月1日 Abstract Steel slag (S) is a byproduct of the steel industry with an annual global production of 280 MMT A significant amount of the S is landfilled, causing economic loss and waste of valuable land space S is deemed to have great potential as an aggregate because of its mechanical properties; however, the high swelling potential and alkalinity caused by large pHDependent Leaching Characteristics of Steel Slag Mitigated 2023年5月15日 Recently, there have been numerous ways to utilize steel slag For instance, steel slag's high strength, good wear resistance, and stability make it a successful material for road infrastructure [5, 6]It can also be employed as the raw material in the preparation of cement due to its chemical similarity to Portland cement [7, 8]; It can also be used for wastewater Comprehensive utilization of steel slag: A review ScienceDirect
BOF slag as a new alkalizing agent for the stabilization of sewage
2022年11月1日 The utilization of steel slag as an adsorbent for wastewater treatment (eg, phosphorus removal) is a promising direction for the simultaneous disposal of solid waste and eutrophication control In this study, 1hydroxyethylidene1,1diphosphonic acid (HEDP) was selected as a representative phosphonate and its adsorption performance and mechanism on 2022年1月1日 Valorization of metallurgical slag as a material for the treatment of polluted water resources has a threefold environmental impact and enhances the sustainability of both the metallurgical Utilization of Steel Slag for Wastewater Treatment: A Reviewimpact and enhances the sustainability of both the metallurgical industry and watertreatment processes Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment are saved; thirdly, water resources, which are unfit for human consumption or irrigation, can be accessedValorization of Metallurgical Slag for the Treatment of Water 2019年6月1日 The study examined the use of granulated blast furnace slag, an industrial byproduct from ferrous industries for drinking water treatment A laboratory scale filter, 9 cm diameter and 40 cm with Experimental studies of slag filter for drinking water treatment
RESEARCH OVERVIEW ON RECOVERY OF WASTE HEAT FROM HIGH TEMPERATURE SLAG
Water consumption (Slag/Water) Slag moisture content% Area covered Investment Application Situation of Domestic Steel Mills Bottom filtration method 8 1:10 2440 Maximum Relatively large Maximum INBA method 5 1:(68) 15 Medium Maximum Many TYNA method 25 1:8 810 Medium Large Relatively large RASA method 15~16 1:(1015) 1520The images reveal that prior to the treatment process the slag surface possesses a large structure with wide gaps These gaps became smaller after the AH Hawari et al / Desalination and Water Treatment 177 (2020) 80–88 85 Fig 10Steel slag promoted electrocoagulation process for the treatment 2002年6月30日 Water enters into settling basin #2 from OLCs #2 and #3 and exits the system through a second steel slag check dam and forms the headwaters of an unnamed tributary of Beaver Creek (PDF) USE OF STEEL SLAG LEACH BEDS FOR THE TREATMENT OF 2013年12月1日 Hightemperature waste heat from the iron and steel industry, as shown in Fig 1, are mainly stored in products, molten slag and waste gas [2]Molten slag, as a kind of byproduct during the steelmaking process, is exhausted in extremely high temperature and thus, it carries a great deal of highgrade heat accounting for 10% of waste energy in steel industry A review of waste heat recovery technologies towards molten slag
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Energy–environment–economy evaluations of ScienceDirect
2016年6月1日 Energy–environment–economy evaluations of commercial scale systems for blast furnace slag treatment: Dry slag granulation vs water quenching Author links open overlay panel Hong Wang a b, JunJun Wu b, Xun Zhu a b, Qiang Liao a b, Liang the implementation of WQ method for slag treatment involves with fresh water 2016年1月1日 Surface water Treatment for potable supplies typically involves coagulation, flocculation, Physicochemical and surface characteristics of some granulated slag–fired drinking water sludge composite cement pastes HBRC J, 10 (2014), pp 7381 Crossref View in Scopus Google Scholar [9]Characterization of Water Treatment Plant's Sludge and its Safe 2019年8月1日 The study examined the use of granulated blast furnace slag, an industrial byproduct from ferrous industries for drinking water treatment A laboratory scale filter, 9 cm diameter and 40 cm with iron slag media supported on a gravel bed could completely remove turbidity, total suspended solids and colour for an average influent loading of 2826 NTU, Experimental studies of slag filter for drinking water treatment