Results 211 to 220 of about 23,425 (262)

Analysis of the influence of iron tailings sand on the properties of concrete mixtures and cyclic compressive behavior. [PDF]

Sci Rep
Chen L, Tang Y.
europepmc   +1 more source

Fenton Treatment of Filter Backwash Water for Recycling in DWTP. [PDF]

Water Environ Res
Pereira LV, de Sá MC, de Lima IP, Rossi LC, de Oliveira Gomes de Assunção T, Dias EHO, Bottrel SEC, de Oliveira Pereira R.   +7 more
europepmc   +1 more source

Optimizing and characterization of titanium dioxide extracted from black sand using response surface methodology (RSM). [PDF]

BMC Chem
Aly ST, Farouk SM, Zaki H, Tohamy TA, Sheikh ME, Sultan AERZ, Fouda M, Mustafa H, Sater OA, Ezzat M, Mabrouk MA.   +10 more
europepmc   +1 more source

Characteristics and adsorption properties of iron-coated sand

Water Science and Technology, 1997
This study was conducted to develop a process for coating hydrated iron oxide on the surface of quartz sand to utilize the adsorbent properties of the coating and the filtration properties of the sand. Three coating parameters were investigated: pH, Fe concentration at which iron oxide was prepared, and the coating temperature.
Shang-Lien Lo
exaly   +2 more sources

Application of iron-coated sand and manganese-coated sand on the treatment of both As(III) and As(V)

Water Science and Technology, 2007
In this study, manganese-coated sand (MCS) and iron-coated sand (ICS) were applied in the oxidation of As(III) and adsorption of As(V), respectively. ICS and MCS were prepared by mixing FeCl3 and Mn(NO3)2, respectively, with Joomoonjin sand at 150°C. In the batch adsorption isotherms, adsorption of As(III) and As(V) onto ICS followed a Langmuir type ...
J H Jung
exaly   +3 more sources

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Preparation of Iron Nitride Material from Natural Iron Sand

Materials Science Forum, 2021
Iron nitride is a promising material for soft magnetic composite. In the current research, iron nitride compound was produced from natural iron sand, involving coprecipitation and gas nitriding. Prior to coprecipitation, natural iron sands were separated magnetically to obtain pure Fe3O4.
Indra Sidharta, Nur Hidayat Romadhon, Rakhasoni Firman Syah, Rayhan Kurnia Hafiyanda, Darminto Darminto, Abdullah Shahab   +5 more
openaire   +1 more source

Optimization for Sand Casting of SG Iron

2021
The aim of present research work is to maximize the casting production of spheroidal graphite (SG) Iron. However, rejection rate of casted parts is high in sand-casting process. There are many causes of rejection, but hardness variation of casted parts is major concern.
Abhishek Mukhija, Surendra Kumar Saini
openaire   +1 more source

Capturing phosphates with iron enhanced sand filtration

Water Research, 2012
Most treatment practices for urban runoff capture pollutants such as phosphorus by either settling or filtration while dissolved phosphorus, typically as phosphates, is untreated. Dissolved phosphorus, however, represents an average 45% of total phosphorus in stormwater runoff and can be more than 95%.
Andrew J, Erickson, John S, Gulliver, Peter T, Weiss   +2 more
openaire   +2 more sources

Influence of silicate on the transport of bacteria in quartz sand and iron mineral-coated sand

Colloids and Surfaces B: Biointerfaces, 2014
The influence of silicate on the transport and deposition of bacteria (Escherichia coli) in packed porous media were examined at a constant 20 mM ionic strength with different silicate concentrations (from 0 to 1 mM) at pH 7. Transport experiments were performed in two types of representative porous media, both bare quartz sand and iron mineral-coated ...
Zhe, Dong, Haiyan, Yang, Dan, Wu, Jinren, Ni, Hyunjung, Kim, Meiping, Tong   +5 more
openaire   +2 more sources

Removal of As(III) in a column reactor packed with iron-coated sand and manganese-coated sand

Journal of Hazardous Materials, 2008
The applicability of manganese-coated sand (MCS) and iron-coated sand (ICS) for the treatment of As(III) via oxidation and adsorption processes was investigated. Scanning electron microscopy (SEM) and X-ray diffraction spectroscopy (XRD) were used to observe the surface properties of the coated layer.
Jae-Kyu Yang
exaly   +3 more sources