How to avoid the solidification of crude ethyl ester (i.e. stick crude EE lipid) after neutralization take place during the trans-esterification?

Dear fellows: I am currently working on trans-esterification of crude algal oil turned into crude ethyl ester. In the processing of crude lipid (30kg) was added into the reactor with 60kg or...

02 March 2019 6,438 2 View

Is there any protocol method for reducing the presence of phthalates (i.e. DEHP, DBP, DIBP) in the crude lipid extracted from Nannochloropsis sp?

Dear members, I would like to know if there is someone who has previously worked on reduction of phthalates during the extraction of crude lipid from Nannochloropsis Sp. The aim is to get purity...

05 June 2018 8,130 0 View

What is the chemical can be used to remove sulfuric acid, glycerol and hydrophobilc materials during the transesterification of algae powder?

Dear members, Part of the project is removal impurities during the transesterification reaction took place at 70 C for 2hours. After transesterification, materials are transferred into funnel...

10 November 2017 8,168 0 View

Does anyone could help for your suggestion regarding to my experiment based on (HDO) Hydrodeoxygenated and (HC) hydrocracking of oil into fuel?

09 October 2015 4,463 5 View

How can I get vapor into liquid from the condenser?

Is there anyone who could help for the problem I am working in my research. Actually, I am working on hydrocracking of methyl esters, especially methyl oleate (C18:1) to convert into C8, C9 and...

06 July 2015 7,908 4 View

What happens with changes of temperature in reactors?

What is happened when reactor (trickle bed) is warm up for 4 hours to reach 150C, then 60mL/min of liquid oil is allowed to pass through into the reactor, at the same time hydrogen gas pressure is...

05 June 2015 1,926 6 View

How many hours needed for extracting protein from dry defatted algal powder?

I am current working on the project related to Nannochloropsis EPA for production of protein. By using aqueous solution at low temperature and pH lower than 5 it will increasing extraction...

01 January 1970 2,135 5 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View