Silica nanofluid flooding for enhanced oil recovery in …

DOI: 10.1016/J.EJPE.2017.01.006 Corpus ID: 136145070; Silica nanofluid flooding for enhanced oil recovery in sandstone rocks @article{Youssif2017SilicaNF, title={Silica nanofluid flooding for enhanced oil recovery in sandstone rocks}, author={Magda Ibrahim Youssif and Rehab M. El-Maghraby and Sayed M. Saleh and Ahmed Ahemd Elgibaly}, …

A sustainable development approach of silica recovery and …

The objective of this study is to evaluate the performance of ceramic membrane as a sustainable development approach of silica recovery for the treatment of semiconductor-industry wastewater. Two ultrafiltration (UF) ceramic membranes with different molecular weight cutoff were used in this study. UF membrane with pore …

Enhanced Oil Recovery Using Silica Nanoparticles: …

imbibing liquid is crude oil in these experiments, resulting in more conservative oil recovery rates. Quartz silica sand was used to simulate the porous media material. Light (West Texas . iii Intermediate, or WTI) crude oil was selected …

Iron Removal Process for High-Purity Silica Sands …

In this article, a leaching study, carried out on a quartz sample to obtain high-purity silica sands, has been presented. A leaching process by using oxalic acid to remove low iron content from the ore under study and to obtain a material suitable for fiber optic production has been evaluated. A characterization study has been carried out to …

(PDF) Foundry processes: the recovery of green moulding …

In traditional technologies of casting moulds and core production on the basis of high-silica sands with binding agent addition, the recla-mation consists mainly of a sand recovery and very seldom of a sand and bentonite recovery.

Foundry processes: the recovery of green moulding sands …

Three different treatment processes for the reclamation of bentonite bonded moulding sands, made up of silica sand, coal dust, and clay, are considered in this work.The studied processes are the following: two kinds of wet mechanical regeneration, performed by the Safond and Sasil plants situated in Northern Italy, and a dry …

Natural Gas Recovery from Hydrates in a Silica Sand Matrix

ABSTRACT. This thesis studies methane hydrate crystal formation and decomposition at 1.0, 4.0 and. 7.0°C in a new apparatus. Hydrate was formed in the interstitial space of a …

What is Silica Sand? Sources & Uses of Silica Sand

Oil and Gas Recovery. Silica Sand is known as Frac Sand in the oil industry. Silica's hardness is important here. The chemical purity in Frac Sand is able to attack in a corrosive environment. Whole grains deposits …

Fluoride Recovery in a Fluidized Bed: Crystallization of Calcium

Product crystals and silica sand carriers were found to be as effective as fresh gypsum seed crystals, hence, the potential for economic recovery of sulfate. View Show abstract

Methods for the Preparation of Silica and Its Nanoparticles …

Silica (SiO2), a component of the earth's crust, has been in use for many nanotechnological applications. This review presents one of the newest methods for …

Silica Sand, Quartz Powder, Kutch, India I Earth Industries

Commercial Silica Sand is widely used as a proppant by companies involved in oil and natural gas recovery in conventional and unconventional resource plays. The resource is also used in industrial processing to make everyday items such as glass, construction materials, personal care products, electronics, and even renewable materials.

A Life Cycle Assessment of Silica Sand: …

Silica sand or quartz sand is a mineral resource with a wide variety of application; glass industry, construction and foundry are the most common examples thereof. The Republic of Croatia has reserves …

Reuse or Disposal of Waste Foundry Sand: An Insight into

From a circular economy perspective, the recovery and reuse of waste plays a fundamental role. Foundries purchase hundreds of millions of siliceous sands every …

Column Flotation Testing Better & Improved Recovery

Acid-grade fluorspar, mica, free silica (SiO2) sand, and low-grade beryl (Be3Al2Si6O18) concentrate were produced in a 100 lb/h continuous column flotation unit (CCFU). The highest results achieved were 96.6-pct CaF2 recovery in a first cleaner concentrate containing 99.7 pct CaF2. Beryl recovery was as high as 92 pct at a grade …

Recovery of Methane from Hydrate Formed in a Variable …

Energy Fuels 2009, 23, 5508–5516 Published on Web 09/24/2009 : DOI:10.1021/ef900543v Recovery of Methane from Hydrate Formed in a Variable Volume Bed of Silica Sand Particles Praveen Linga,† Cef Haligva,† Sung Chan Nam,‡ John A. Ripmeester,§ and Peter Englezos*,† † Department of Chemical and Biological Engineering, University of British …

Frac Sand Production Equipment

Silica sand was historically used and consistently produced for golf courses, glassmakers and some industrial consumers. Then, in about 2010, demand dramatically increased as oil and gas producers discovered the durable, crush-resistant material. Overnight, frac sand production became the new gold rush!

Silica Sand Processing Plant

Raw ore information in this silica sand washing project is as follows: 1. Raw sand contains 5% clay 2. Maximum feeding size of raw sand is 20mm 3. Finished silica sand size the customer need is less than 2mm 4. Raw …

Recovery of Silicon Dioxide from Waste Foundry Sand and …

Recovery of Methane from a Variable-Volume Bed of Silica …

The initial rate of recovery was found to be strongly dependent on the silica sand bed size. The rate of recovery was found to depend weakly on the size during the second stage, and after 1.25 h, it was constant.

Coal Mine Methane Gas Recovery by Hydrate Formation in …

CH 4 recovery in the water-saturated silica sand bed was considerably low (∼12.0%) because N 2 molecules might compete with CH 4 molecules to enter the hydrate crystals under high pressure ...

Transformation of abundant magnesium silicate minerals for …

The composition of the raw olivine sand, recovered Mg(OH) 2, and recovered silica from olivine, determined by X-ray fluorescence (XRF), are provided in Table 1 and are consistent with the other ...

A hydrofluoric acid-free method to dissolve and quantify silica

Knowing the concentrations of amorphous silica particles is essential in numerous areas of science and technology. Several million tons of this material are produced each year 1.However, the ...

Fluorine removal and calcium fluoride recovery from rare …

When silica sand was used as the seed crystal and the amounts reached 30g, ... In the process, the silica sand can be recycled and reused. The recovery cost of calcium fluoride from the actual wastewater was determined as 1.21 $/m 3 without consideration of calcium fluoride crystal values. However, if the value of the recovered …

A facile and universal method to purify silica from natural sand

The initial purity of silica is 52.1 wt% for desert sand, 39.3 wt% for river sand, and 35.8 wt% for sea sand. High-purity silica has been successfully separated and purified from natural sand via ...

Ultra Fines Recovery

CDE's Ultra Fines Recovery solutions (UFR) offers an efficient alternative to sand screw and bucket wheel systems, it separates and retains an optimal amount of fines from the waste water or slurry before it is directed to settling ponds, extracting maximum value from materials washing processes. ... State-of-the-art 200tph silica sand wash ...

Sunstate Sands 140tph Silica Sands Wash Plant

State-of-the-art 140tph silica sand washing plant in south Brisbane. Learn more about this glass sands production plant project with CDE and Sunstate Sands. ... Silica Sands, Sports Sands, Ultra Fines Recovery. Output Ultrafine (30-150 microns) | Glass Sand (150-650 microns) | Coarse Sand | (650 microns-3mm) | Oversize ...

Foundry processes: the recovery of green moulding sands …

This process uses a mixture of silica sand, which provides the structure for the mould, 2–10% b.w. of coal dust (commercially known as black mineral) to increase …

Frac Sand

The most common proppants are produced from high quality silica and sand deposits and are known as frac sand. In order to be used as frac sand, the naturally occurring silica sand must exhibit many unique natural qualities, including roundness, high strength and purity. ... McLanahan fines recovery equipment also keeps this material from going ...

Methods used in the beneficiation of silica sand and …

Silica sand consists of mainly quartz (SiO 2) as the main constituent and low amount of clay, iron oxide and lime. Clay and iron content of the silica sand which is generally used in glass sand ...