Colloidal microgel in removal of water from biodiesel

Nur, Hani; Snowden, Martin J.; Cornelius, Victoria; Mitchell, John C.; Harvey, Patricia J.; Benee, L. S.

doi:10.1016/j.colsurfa.2008.10.049

Cited by 35 publications

(30 citation statements)

References 18 publications

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“…drug delivery systems, nano-technology, paint industry, oil recovery, etc. [21][22][23][24][25] One of the most extensively studied thermo-sensitive polymers is poly(N-isopropylacrylamide) or poly-NIPAM [26]. Poly-NIPAM-based microgels have a volume phase transition around 32°C in water, and the specific behaviour of each system depends on the synthesis conditions (co-monomer type and quantity, cross-linker density, initiator, etc.).…”

Section: Introductionmentioning

confidence: 99%

Use of Environmental Scanning Electron Microscopy to image poly(N-isopropylacrylamide) microgel particles

García-Salinas

Donald

2010

Journal of Colloid and Interface Science

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Section: Introductionmentioning

confidence: 99%

Use of Environmental Scanning Electron Microscopy to image poly(N-isopropylacrylamide) microgel particles

García-Salinas

Donald

2010

Journal of Colloid and Interface Science

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“…Note that the commercial price of the natural resin is about ∼0.15 €/kg. In Nur et al, a series of poly( n –isopropylacrylamide) (pNIPAM)‐based homo‐polymer and co‐polymer microgel particles were useful in removing water from biodiesel. In particular, the frozen dried microgels were first added to the biodiesel at three concentrations, 5, 10, and 12 g/L.…”

Section: Resultsmentioning

confidence: 99%

Water removal from biodiesel/diesel blends and jet fuel using natural resin as dehydration agent

Tsanaktsidis¹,

Favvas

Tzilantonis³

et al. 2015

Can J Chem Eng

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Water removal from both biodiesel and diesel/biodiesel blends was studied using a natural removable additive, natural resin. Specifically, two different samples of biodiesel/diesel blends and one of JP8 fuel were studied before and after the blending process with the natural additive. As well as moisture concentration, the properties of density, kinematic viscosity, conductivity, flash point, and heat of combustion were also investigated. Using the proposed method of water removal improves the physicochemical properties of biodiesel/diesel fuel blends, increases the heat of combustion up to 361 J/g, reduces the moisture by ∼66 %, and reduces the conductivity down to 39.5 %. In the case of JP8 fuel decreasing moisture content increases the heat of combustion by 187 J/g, decreases the conductivity by 60 %, and establishes the moisture level within accepted values, from 68 to lower than 50 mg/kg.

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“…A ceramic membrane with a small pore size (~0.1 μm) was also found to be suitable for refining crude biodiesel due to its high flux and good permeate quality [9]. The colloidal microgel prepared from poly(N-isopropylacrylamide)-based homo-polymer and copolymer can reduce the level of water in crude biodiesel from 1,800 ppm to 750 ppm and then to below 500 ppm after the first and second treatments, respectively [10]. Silica gel exhibited a higher capacity to adsorb FFAs from crude biodiesel than rice husk ash under atmospheric condition [11], where the silica gel functions as a non-selective adsorbent capable of adsorbing different types of impurities and forming a multiple layer adsorption phenomenon [12].…”

Section: Introductionmentioning

confidence: 99%

Preparation of Mangosteen Shell‐Derived Activated Carbon Via KOH Activation for Adsorptive Refining of Crude Biodiesel

Pangsupa

Hunsom

2016

J Americ Oil Chem Soc

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Mangosteen shell‐derived activated carbons (ACs) were prepared by potassium hydroxide (KOH) activation for refining crude biodiesel derived from the transesterification of waste cooking oil and methanol via an alkali catalyst. Effects of the KOH/char (w/w) ratio (0.50–1.50), activation temperature (500–900 °C), adsorption time (15–180 min) and dosage of activated carbon (3–11 g/L) on the efficiency of the adsorptive refining of biodiesel were explored. The AC prepared at a KOH/char (w/w) ratio of 1.25 at 800 °C exhibited the best ability to remove impurities contained in the crude biodiesel, and enhanced the purity of the biodiesel by up to 97.18 wt% at a dosage of 9 g/L and 120 min adsorption time. This was better than that refined by the conventional wet washing method (96.03 wt%). Equilibrium adsorption data fitted well with Freundlich isotherms, and the adsorption mechanism was controlled by the transport of impurities from the bulk solution to the surface of the AC.

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Colloidal microgel in removal of water from biodiesel

Cited by 35 publications

References 18 publications

Use of Environmental Scanning Electron Microscopy to image poly(N-isopropylacrylamide) microgel particles

Use of Environmental Scanning Electron Microscopy to image poly(N-isopropylacrylamide) microgel particles

Water removal from biodiesel/diesel blends and jet fuel using natural resin as dehydration agent

Preparation of Mangosteen Shell‐Derived Activated Carbon Via KOH Activation for Adsorptive Refining of Crude Biodiesel

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