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Fuel additive composition and its preparation

A technology for fuel additives and compositions, which can be applied in the directions of fuel additives, fuels, and liquid carbon-containing fuels, and can solve problems such as limited slurry stability.

Inactive Publication Date: 2008-12-17
SYSTEMSEPARATION SWEDEN AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] In addition, the slurry has limited stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107] Example 1 : Preparation of fuel additive composition - batch size 1000kg

[0108] 20kg RE610 and 270 kg of rapeseed methyl ester (RME) with a moisture content of Sweden) to form a homogeneous mixture.

[0109] Then 690 kg of magnesium hydroxide powder dried to a moisture content of <0.5 wt% was gradually added under continuous stirring, raising the temperature to about 50°C to form a premix.

[0110] The premix was then transferred to a basket mill ( 2, Obtained from MirodurSpA, Aprilia, Italy, motor efficiency is 55kw) In the container, the zirconium balls with a diameter of 0.8mm are housed in this container as abrasive, start rotating the basket and accelerate until the powder is fully loaded.

[0111] The temperature is raised to 75-85°C, which is strictly below the upper limit where the decrease in viscosity due to the increase in temperature gives the abrasive balls a chance to contact each other.

[0112] Holding the temperature steady until samples taken...

Embodiment 2

[0115] Example 2 : Preparation of fuel additive composition - batch size 1000kg

[0116] 40kg RE610 and 270kg diesel oil (grade 1) in a dissolver vessel (Dissolver DTM49 from Westerlins Maskinfabrik AB, Sweden) to form a homogeneous mixture.

[0117] Then 690 kg of magnesium hydroxide powder dried to a moisture content of <0.5 wt% was gradually added under continuous stirring, raising the temperature to about 50°C to form a premix.

[0118] The premix was then transferred to a basket mill ( 2, Obtained from MirodurSpA, Aprilia, Italy, motor efficiency is 55kw) In the container, the zirconium balls with a diameter of 0.8mm are housed in this container as abrasive, start rotating the basket and accelerate until the powder is fully loaded.

[0119] The temperature is raised to 75-85°C, which is strictly below the upper limit where the decrease in viscosity due to the increase in temperature gives the abrasive balls a chance to contact each other.

[0120] Holding the tem...

Embodiment 3

[0123] Example 3 : Magnesium Oxide Structure Comparison

[0124] In order to compare the structure of magnesium oxide having a porous structure obtained by subjecting magnesium hydroxide to a high temperature and the structure of magnesium oxide obtained by dehydrating magnesium hydroxide at a relatively low temperature, the following experiment was performed.

[0125] The three magnesium hydroxide powder samples used had an average particle size distribution of 400 nm, a lognormally estimated cross-sectional function of δ=0.4 and a moisture content of <0.5 wt%, and were used in equal amounts by weight. The samples were rapidly heated in a furnace at 450°C, 1000°C and 1300°C, respectively.

[0126] Analysis of samples treated at 1000°C showed that the surface area was determined by BET8.66m of the hydroxide particles 2 / g rises to the BET of porous oxide particles 10.38m 2 / g. Density from Mg(OH) 2 About 2.3g / cm 3 down to 1.36 g / cm of converted MgO crystals 3 (measured...

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Abstract

A fuel additive composition for reducing / removing vanadium-containing ash deposits in gas turbines and other devices powered by the combustion of vanadium-containing fuels, the composition comprising a metal capable of forming vanadates with vanadium in said ash deposits compound as the active ingredient.

Description

technical field [0001] The present invention relates to a fuel additive composition for reducing / removing vanadium-containing ash deposits, a process for preparing the composition and the use of certain inorganic oxygen-containing metal compounds as components of the composition. More particularly, the present invention relates to a fuel additive composition for reducing / removing vanadium-containing ash deposits in gas turbines and other devices powered by the combustion of vanadium-containing fuels, methods of making the composition, and certain inorganic oxygen-containing metal compounds Use as an active ingredient of the composition. Background technique [0002] Fuels such as unrefined crude oil and residual oils containing high levels of impurities can produce corrosive deposits in devices powered by the combustion of such fuels. One such impurity is vanadium, which destructively forms corrosive low-melting slags. This slag can destroy important components in a short ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/10C10L10/04C10L1/12C10L10/00
CPCC10L1/1216C10L1/1233C10L10/04C10L10/06
Inventor A·瓦伦贝克G·斯托姆B·弗斯伯格
Owner SYSTEMSEPARATION SWEDEN AB