laboratory evaluation on recycling waste phosphorus slag as

  • Russian researchers develop wasteless joint processing of ...

    Russian researchers develop wasteless joint processing of ...

     · Ladle slag is most often presented as a dust fraction unsuitable for use in recycling processes. Therefore, first of all, experimenters stabilized the ladle slag in a solid state. For this purpose, borate glass, a cheap waste material that also requires processing, was added to it.

  • EPAEnforcement Alert: Hardous Waste Management at Mineral ...

    EPAEnforcement Alert: Hardous Waste Management at Mineral ...

    wastes; Wastes from scrap recycling; W astes from chemical manu­ facturing (54 Federal Register 36592, Sept. 1, 1989); and Wastes such as spent solvents, pesticide wastes, laboratory wastes, and vehicle maintenance wastes (non uniquely associated wastes). EPA Investigates Waste Management Practices EPA estimates that approximately

  • Metallurgical Process Engineering(Prof. Nagasaka ...

    Metallurgical Process Engineering(Prof. Nagasaka ...

    Phosphorus recovery from steelmaking slag by various methods is continuously investigated in our group. ... (Sustainable metallurgy based on allaround recycling technology). For sustainable growth of our society, decisions based on fair evaluation based of .

  • Mining Waste | Special Wastes | Wastes | US EPA

    Mining Waste | Special Wastes | Wastes | US EPA

    Mining waste; phosphate rock mining, beneficiation, and processing waste; and uranium waste are three of the six special wastes identified. October 21, 1976 —Congress passes the Resources Conservation and Recovery Act (RCRA) (Public Law 94580) which requires EPA to develop regulations governing the identifiion and management of hazardous waste.

  • Identifiion of potentially POPcontaining Wastes and ...

    Identifiion of potentially POPcontaining Wastes and ...

    The presence of these pollutants in waste and products has, according to Annexes I, IV and V of the POP Regulation, consequences for the waste treatment and for the degree of their removal from the economic cycle. In an efficient and resourcesaving recycling economy, which considers at the same

  • CNA

    CNA

    The present invention provides a kind of method recycling phosphorus from the slag of phosphate decomposition tungsten tungsten grade of the present invention is less than 5%, the phosphorous grade of slag 3% 20% tungsten ore middle tungsten refinement so that alkali calcium phosphate is converted into calcium sulfate and phosphoric acid in tungsten slag, and phosphoric ...

  • Waste and recycling

    Waste and recycling

     · EU waste policy aims to protect the environment and human health and help the EU's transition to a circular economy. It sets objectives and targets to. improve waste management. stimulate innovation in recycling. limit landfilling.

  • Evaluating Alternative Technologies And Monitoring Methods ...

    Evaluating Alternative Technologies And Monitoring Methods ...

     · 2011 to December 2012 a field trial of an EAF steel slag filter was assessed for its feasibility in treating wastewater originating from Swan Valley Cheese (SVC), in Swanton, VT. The study focuses on a period of the filter's operation from May 4 t o October 10, 2012.

  • SciELO

    SciELO

    In this context, the aim of this study is to propose an improvement of the foaming slag process through the addition of a mixture of recycled refractory materials of MgOC and dolomite sinter fines () during iron melting in the EAF, intending to reach the optimum saturation point of MgO in the slag, while inducing the formation and maintenance of a beneficial foaming slag to the process.

  • The Role Of Battery Recycling In The Circular Economy ...

    The Role Of Battery Recycling In The Circular Economy ...

     · Editor's Note: The Role Of Battery Recycling In The Circular Economy is a threepart series. Part 1 focuses on Key Technologies. Part 2 focuses on the Battery Supply Chain, Logistics and ...

  • By

    By

    stream, to evaluate the removal of typical wastewater parameters of concern: nitrogen, organic material, suspended solids and phosphorus from domestic wastewater. The hybrid wetlands, composed of horizontal and vertical subsurface flow constructed wetland components, included an integrated blastfurnace slag filter component for phosphorus removal.

  • Feasibility evaluation of the treatment and recycling of ...

    Feasibility evaluation of the treatment and recycling of ...

    A laboratoryscale cotreatment of PW with domestic wastewater was also conducted. Salinity fluctuation, chemical pretreatment toxicity, resistance, and resilience of the bioreactor after fluctuations may heavily influence the planning, design, and construction of a PW treatment plant, although a coupled chemical–biological process for treating PW is a potential costeffective management ...

  • Development of a new phosphorus partition relation for ...

    Development of a new phosphorus partition relation for ...

    Decreasing availability of low phosphorus iron ores and the desire to recycle waste materials like basic oxygen steelmaking (BOS) slags is driving renewed interest in phosphorus removal. A number of phosphorus partition (LP) equations have been proposed in the literature for specific slag compositions and temperature ranges at equilibrium.

  • Recycled Organics Products And Phosphorus Claims | BioCycle

    Recycled Organics Products And Phosphorus Claims | BioCycle

     · Recycled Organics Products And Phosphorus Claims State Plant Food Control Officials recognize slowly available phosphate claims in compost and other recycled organics products. Top: Working with The Pennsylvania State and Colorado State Universities laboratories (similar to one shown above), the US Composting Council proposed the Water Extractable Phosphate (WEP) test method .

  • Phosphorus Removal in Constructed Wetlands Using Gravel ...

    Phosphorus Removal in Constructed Wetlands Using Gravel ...

     · Phosphorus adsorption in the large scale gravel systems was variable and ranged from −40% to 40%. Laboratory adsorption capacity studies conducted with the gravel substratum indied that field adsorption potential could be successfully simulated and modelled. Ion exchange experiments have been used to evaluate gravel and industrial ...

  • Evaluation of a BOF Slag Recovery Treatment combining ...

    Evaluation of a BOF Slag Recovery Treatment combining ...

    Evaluation of a BOF Slag Recovery Treatment combining Experimental and Simulation Studies Ismael Matino 1, Teresa Annunziata Branca, Erika Alcamisi1, Valentina Colla1, Lea Romaniello2 1Scuola Superiore Sant'Anna 2ILVA TINOS 2015 Tinos Island, July 24, 2015

  • Management of Bulk NORM Residues and Waste (Part 2)

    Management of Bulk NORM Residues and Waste (Part 2)

    phosphorus slag, can be used in the construction of roads, dams, ... recycling or repair,monitoringis necessaryfor: ... Environmental monitoring •The purpose of environmental monitoringis: –To evaluate the effectiveness of the waste management control measures –To assess doses received by members of the public –To assess the ...

  • RESRADRECYCLE: A COMPUTER MODEL FOR ANALYZING THE ...

    RESRADRECYCLE: A COMPUTER MODEL FOR ANALYZING THE ...

    RESRADRECYCLE: A COMPUTER MODEL FOR ANALYZING THE RADIOLOGICAL DOSES AND RISKS RESULTING FROM THE RECYCLING OF RADIOACTIVE SCRAP METAL AND THE REUSE OF SURFACECONTAMINATED MATERIAL AND EQUIPMENT Environmental Assessment Division Argonne National Laboratory Operated by The University of Chicago, under Contract W31109Eng .

  • Steel Industry Byproducts

    Steel Industry Byproducts

    problem, a series of laboratory and greenhouse Reproduced with permission from the CAB Abstracts experiments were conducted to evaluate the agricultural database. recycling of Helwan slag. The appliion of slag increased the pH of the soil. The extractable fraction of Fe by CaCl 2 781. Basic slag as a material to ameliorate soil

  • Investigation of Phosphate Removal Capability of Blast ...

    Investigation of Phosphate Removal Capability of Blast ...

     · Blast Furnace Slag (BFS) is a byproduct of iron making with a potential to be used in different appliions. In this research, BFS is used to investigate the phosphate removal ability in wastewater.

  • WasteFree Recycling of Metallurgical Slags

    WasteFree Recycling of Metallurgical Slags

     · Ladle slag is commonly considered as a dust fraction and is not suitable for recycling processes. Hence, the researchers initially attempted to stabilize the ladle slag in a solidstate. To achieve this, an affordable waste material known as borate .