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

Abstract

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.

Mechanically Robust Nanofibrous Xerogel Membrane for One‐Pass Removal of Trace Water in Oil

“…The water removal test was performed in a pressure‐driven apparatus, 0.7 bar was chosen for all separation process. Interestingly, vegetable oil, as a precursor of biodiesel was selected for W/O emulsion separation, which is proved to be much more demanding . Water in oil (W/O) emulsions (ultrasonic mixing for 120 min) with water content of 0.1, 0.5, 1, 2, and 3 wt% were served as the feed solution, and moreover the emulsion was stabilized at least for 10 days because of the strong interface force of nano/micro‐scaled water and oil drops .…”

“…Fuel is ineluctably poisoned by water due to the condensation of atmospheric moisture, compounded by loose management during transport and storage, which might be a crucial contributor to system failure . Although there are increasingly rigorous criteria on the maximum water content in fuel (200 ppm for diesel, and 500 ppm for biodiesel according to ASTM D1744 and D6751 standards, respectively), the requirement is extremely high in practical application . Numerous strategies have been developed to remove water in oil based on the water existence state, gravity, and centrifuge separations (useful for free water), coalescing filters (applied for dispersed water with drop size less than 100 µm), free/thaw and chemical demulsification, while limited with expensive costs as well as unsatisfying separation efficiency .…”

“…Bulk hydrophilic materials are proposed to be a non‐polluting method to reduce water‐in‐oil but with limitations, such as low specific area, unsatisfied longtime consuming as well as tanglesome assemble procedures . Inspired by Tsanaktsidis et al’s work published in 2013 and 2015, in which raw natural resins were applied in fuel dehydration, but with restrictions such as low specific area and low mechanical strength . While crosslinked nanofibrous xerogel absorbent membranes with robust strength and porosity structure are thought to hold great prospect in facile and effective practical adhibition in W/O purification, the electrospinning technique is a versatile method to manufacture 3D structured membranes via layer‐by‐layer accumulation of nanofibers .…”

How do you write and present research well? 14—Favour images over text in graphical abstracts

“…Colour helps readers identify elements in diagrams quickly. Figure has bright vivid colours and illustrates the steps to transesterify oil to biodiesel with arrows. However, rather than generic images of a process, emphasize the results of the research: resins improve physicochemical properties of biodiesel.…”

“…In case of JP8 fuel the decrease of the moisture content increases the heat of combustion at , decreases the conductivity at 60 % and establishes the humidity level within the accepted values, from 68 to lower than . Title: “Water Removal from Biodiesel/Diesel Blends and Jet Fuel by Using Natural Resin as Dehydration Agent.”…”