Enhanced phosphorus removal by microbial-collaborating sponge iron
Meanwhile, the total phosphorus (TP), OP, Fe/Al-P, and Ca-P content in sediment increased by 33.8, 7.7, 23.1, and 23.1 %, respectively, implying that under the action of sponge-iron, the locked ...
Preparation of Reduced Iron Powder from High Phosphorus Iron …
Under the conditions, reductive temperature of 1150°C, duration time of 60 min, mass ratio of briquettes to pea coal of 1:1, the reduced iron powder with an iron grade of 93.21% and phosphorus ...
Enhanced phosphorus removal by microbial-collaborating sponge iron …
The collaborative and mutually reinforcing phosphorus removal in domestic wastewater in a sponge iron and microorganisms system was studied and it was shown that the total phosphorus concentration of the effluent of less than 0.5 mg/L could be achieved. The collaborative and mutually reinforcing phosphorus removal in domestic …
Use of sponge iron as an indirect electron donor to provide …
Sponge iron (SI) can serve as an indirect electron donor to provide Fe(II) for the nitrate-dependent ferrous oxidation (NDFO) process, producing OH – and magnetite. The SI–NDFO system mainly uses Fe(OH) 2 as an electron donor, achieving a TN reduction rate of 0.42 mg–TN/(gVSS·h) for a period of at least 90 days. The enrichment …
sbm cost of sponge iron per metric ton.md
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Sponge Iron Lumps Fem 80%
Ganesh Sponge Pvt. Ltd. - Offering Sponge Iron Lumps Fem 80% at Rs 32500/metric ton in Angul, Odisha. Read about company. Get contact details and address | ID: 23925273591 ... Phosphorus: 0.090%: Shape: Lumpy Uneven Shape: Size/Dimension: 20mm: Fem: 80%: FeT: 91%: Country of Origin: Made in India: Minimum Order Quantity : 330 Metric …
The use of sponge iron in steel smelting
With a fairly high content of metallic iron, the sponge can be used as a substitute for scrap in the smelting of high-quality steel By the degree of metallization is meant the ratio of metallic (reduced) iron to the total iron conent of the material: m------~et Fe 100 %, q0 -~ Fetota 1 where ~0 is the degree of metallization and Feme t and ...
Effects of Recycled Sponge Iron on Phosphorus Recovery …
Phosphorus in water not only degrades water quality but also leads to a waste of resources. In this study, adsorption thermodynamics and kinetics were used to study the effect of sponge iron on phosphorus removal, and a filtration bed was used to simulate the phosphorus removal in polluted water. The results showed that the …
Direct Reduction Iron | SpringerLink
The chemical composition of direct reduction iron requires that the metallization ratio be 92–96%, FeO content 3–15%, gangue content 1–4%, phosphorus content less than 0.06%, sulfur content less than 0.03%, and content of each of the nonferrous metal impurities Cr, Ni, Cu, and Pb less than 0.01%. Other indicators, …
Adsorptive removal of phosphorus from aqueous solution using sponge
The enhancement of the phosphorus adsorption capacity of the modified sponge iron is mainly due to the formation of more iron oxides on the surface of the modified sponge iron; the increase in ...
IS 11093 (2001): Iron Ore Lumps for Direct Reduction …
A. IS 11093:2001 4.2 Thechemical analysis of theiron orelumps shall be determined by the method specified in IS 1493 and its parts (1, 3, 4, 5 and 6) as per latest version or any other established, instrumental/chemical method. In case of dispute, the procedure in the latest edition of IS 1493 for chemical analysis shall be the referee method ...
ratio of fe phos in sponge iron lumps
ratio of fe phos in sponge iron lumps. ratio of fe phos in sponge iron lumps tor leads to MAP (mono ammonium phosphate) or DAP depend-ing on the N/P ratio. The overall reactions can be written as: H3PO4+NH3 … اقرأ أكثر
Sponge Iron Manufacturers & Suppliers in India
Find here Sponge Iron manufacturers & OEM manufacturers in India. Get Contact details & address of companies manufacturing and supplying Sponge Iron across India. ... Sponge Iron Lumps low Grade. …
[Phosphorus Removal Mechanism of Sulfur/Sponge Iron …
The research result showed that the phosphorus removal ratio of sponge iron/sulfur composite fillers was over 95%, which was increased by 30% as compared to only sponge iron filler. In addition, the effluent TP concentration was reduced to less than 0.1 mg·L -1. The analysis of X-ray diffraction (XRD)and total iron concentration indicated …
Sponge Iron in Kolkata, West Bengal | Sponge Iron Price in …
Ask Price. Bhagwati Sponge (P) Ltd a well known Integrated unit, situated at Jamuria Industrial Estate, an Industry hub in the heart of West Bengal, is engaged in DRI ( Sponge Iron ) Manufacturing, having 60000 TPA capacity with initiative further expansion. Sponge Iron is the spongy form of Iron, derives from reducing Iron Ore into.
In-situ anaerobic treatment removes the passivation layer of sponge …
Sponge iron (s-Fe 0) has a large specific surface area, is cheap and easy to obtain, and has a good reduction capacity.Therefore, its efficacy in enhanced wastewater denitrification and phosphorus removal has been extensively examined. Because of the strong magnetic properties and reactivity of s-Fe 0, a passivation layer dominated by …
Phosphorus recovery from waste activated sludge by sponge iron …
Vivianite (Fe(II) 3 (PO 4 ) 2 * 8H 2 O) plays a crucial role in capturing the phosphate, and if enough iron is present in the sludge after anaerobic digestion, 70–90% of total phosphorus (P) can ...
Sponge Iron | Manufacturer of Sponge Iron
JSWAION possesses considerable expertise in the manufacture of sponge iron. The sponge iron exhibits superior quality characteristics with excellent metallic content and an impeccable consistency in chemical and physical characteristics and low sulphur and phosphorus content. The production process also ensures that the sponge is free from …
Study on Mechanical Properties and Reduction Behavior of
From the analysis, ore containing total iron (Fe total) 64.14, hematite content (Fe2O3) 91.78, Alumina content (Al2O3) 1.79 and Silica content (SiO2) 3.49 were calculated by weight percentage. It indicates that the raw iron ore predominantly consists of hematite (Fe2O3) with a low content of gangue minerals. Proximate Analysis of the …
Quality requirements of iron ore for iron production
The DR process involves the production of solid iron, DRI or sponge iron, from iron ore and a reducing agent (e.g., natural gas and noncoking coal). ... Figure 16.10 shows the phase diagram of the Fe-C-O system showing the stability fields of Fe and various iron oxides ... iron ore pellets and/or lump iron ores are reduced by a reducing …
Sponge Iron in Mumbai, स्पंज आयरन, मुंबई, …
Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture …
Removal of Phosphorous from Steel Produced by Melting Sponge Iron …
Favorable conditions under which the dephosphorization ratio exceeds 50% are aC<0.92 and aO<4×10-4 at 1480°C.(2) For an efficient dephosphorization of 18Cr8Ni steel, it is necessary to control ...
Removal of Phosphorous from Steel Produced by …
Efforts are being made to remove phosphorous from steel melted in coreless induction furnace. The charge mixes used are cast iron, sponge iron and steel scrap. Amount of sponge iron in the charge mix is considered 50 %. Degree of dephosphor- ization is discussed in terms of phosphorous distribution ratio.
Sponge Iron Wholesalers & Wholesale Dealers in India
Lump 82% Fe Sponge Iron ₹ 30,000/ Tonne Get Latest Price . Physical State: Lump. Material: ... Phosphorus: 0.038%. Shape: Lumps. Size/Dimension: 20 mm. Material: Iron. Sulphur: 0.036%. ... The process of sponge ironmaking aims to remove the oxygen from iron ore. Sponge iron lumps and fines are available in extent volume in raipur and …
Sponge Iron
Manufacturer of Sponge Iron - Sponge Iron Lumps Fem 80%, Sponge Iron Fines Fem 80% offered by Ganesh Sponge Pvt. Ltd., Angul, Odisha. ... Iron Ore Fines Fe 60% Export Quality-1mm Sponge Iron Fines. 1 product available ... Carbon: 0.015%: Packaging Type: Loose: Phosphorus: 0.090%: Shape: Lumpy Uneven Shape: Size/Dimension: 20mm: …
Untangling the nitrate removal pathways for a
To study the removal of nitrogen and phosphorus from low C/N ratio rural domestic sewage by Fe–C mixed fillers, in this study, a laboratory-scale iron-carbon microelectronics system (IC-ME) and ...
IS 12668 (1989): Melting characterstics of sponge …
MELTINGCHARACTERISTICSOFSPONGE IRON/DIRECTREDUCED. 1 SCOPE DRI produced from gas based edge, in this regard, as 1.1 This standard prescribes higher, the over melting its coal teristics of sponge iron/direct degree reduced of metallization iron. DRI in electric arc furnace, consumption in basic and longer oxygen furnace when used …
Micrograph of direct reduced iron (sponge iron, magnification …
Mill scale constitutes iron (60 to 70 %) in elemental form as well as in form of oxides as Wusite (FeO), Hematite (Fe 2 O 3), Magnetite (Fe 3 O 4) and traces of non ferrous elements.
Microelectrolysis-integrated constructed wetland with sponge iron …
Integrating sponge iron (SI) and microelectrolysis individually into constructed wetlands (CWs) to enhance nitrogen and phosphorus removal are challenged by ammonia (NH 4 +-N) accumulation and limited total phosphorus (TP) removal efficiency, respectively.In this study, a microelectrolysis-assisted CW using SI as filler …
A sustainable reduction roasting technology to upgrade the …
The manganese resources used by the ferroalloy industry are mainly categorized based on the Mn content and Mn/Fe ratio of the ores. ... In the conventional Direct Reduced Iron (sponge iron ... that a ferromanganese grade ore concentrate with Mn > 46% and Mn/Fe > 3.5 can be produced using these grade ore lumps at 50% product …