HI Barry,
We mostly buy our Methanol from BP in 200lt drums and decant into
drums for individual use. We can help if you live West of Brisbane.
My email is [EMAIL PROTECTED]
Regards from Harry
--- In biofuels-biz@yahoogroups.com, Barry Lewis [EMAIL PROTECTED] wrote:
Hello,
I've the
With one particular truck the available commercial biocides, that
come with injector cleaner, have failed to sterilise the fuel system.
The growth is a dark olive flake or film that seems to grow in the
fuel line as well as the tank and boy does it like biodiesel. What
biocides have other
I think it's valid, but I have found that addition of some methanol
after washing and drying seems to reconvert' the FFA's. I tried to
do a conventional Acid Step after washing but I found that addition
of sulphuric made no difference that I could measure. The methanol
cleared up the
I have used a reverse osmosis desalinator for nearly ten years on
bore water with 8gms of salt per litre. Costs have averaged at about
40c AUS (~22cUS?) a kilolitre. The figures in the Californian report
suggest ~$2US a kilolitre if a household uses 400 kilolitres a year.
Recent figures on
I'ts probably over simplistic to say oil has less political influence
in Australia than in the US. But a real political impediment to
ethanol in Aus is the Great Barrier Reef. Sugar cane is grown in the
coastal-monsoonal belt bordered by the Reef, in many places having
replaced the dryland
Hi James, we have been using dairy cream separators to continually
remove glycerol. There are some problems though if the glycerol gets
cool too quickly it clogs up the plates. A simple precipitate trap
like the water trap in a fuel line only bigger has given good
separation at times. Its
There's lots of organic acids out there but I wouldn't expect a
restaurant to be using any that didn't mix with water. A problem that
often arises with raw oil is high FFA's due to rancidity
or biological oxidation. What organic acids can be formed by
bacterial digestion is anyone's guess.
The problems of quality of homebrew or commercial for that matter
never seem to go away. As much as I would like to pretend that our
bio is perfect, I want to share the latest of ours problems with the
group in the hope that some one may benefit. I got a call that the
fuel from the storage
Hi Kieth,
I did read the micro niche bit- good lateral thinking. Most, probably
more than 90% of our grain is grown without irrigation. The massive
volcanic ash plains simply don't have major river systems the
rainfall is too low and that's in the good years. Organic methods
work well on this
Much of Australia is currently in the grip of an ongoing drought. In
association with some commendable community support initiatives,
particularly the Red Cross Farmhand Appeal this has brought to the
fore the old idea of drought-proofing Australia. A notable response
to this publicity was
Hi Matt,
Kieth will most likely have access to the stats. I can give an
opinion on the different feed stocks.
Both price and politics seem to be involved. For example here it may
be easier to get Cotton producers interested in bio diesel because
they need better bio-credentials. Soy farmers in
Been off-line for a while and had to catch up.
There are two relevant processes I should have reported on. Found
them half written in my drafts folder. Small ABI problem.
1. We have been purifying glycerol to at least 95% for some time.
A. Add deionised water at 50% and hot mix.
B. Neutralize as
it is that a world dies? Not much
different than any animal...bit by bit and cell by cell it ceases
to function, until the total balance can no longer support its
own existance.
Todd Swearingen
- Original Message -
From: gjkimlin [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, July
I have only had time for a quick look, enough to concern me about a
few subtle flaws as far as objectivity goes. I will study the body,
at least it may be instructive as to the type of study that will
survive critical scrutiny. A number of sources re: pollution benefits
were apparently
I know that I can be a little thick but can some one help me to get
this problem with climate change. Perhaps the rapidity and direction
of climate change has been affected by human intervention but so
what? Nothing in nature is constant and natural systems must have
evolved to cope with
Although they don't have to yet, some reports have it that Queensland
refineries are producing ultra low sulphur diesel. The two problems
have been damage to pump seals and a loss of lubricity. So much so
that adding bio gives a good 10% drop in fuel usage with apparent
increases in speed
--- In [EMAIL PROTECTED], Appal Energy [EMAIL PROTECTED] wrote:
http://enn.com/news/wire-stories/2002/06/06252002/ap_47645.asp
- 6/25/2002
WHO hosts urgent meeting on acrylamide in food
Permit me to carry the thought process a wee tad further for us
common laypersons.
Anyone ever
Steve and I have been discussing the breeding of the perfect oil
plant. I will do some comparisions of the FA content of cultivars
where the FA composition is known. Meanwhile I'll start comment with:
carbon chains of between 12 and 16 preferably monounsaturates i.e.
one double bond. My
Steady Dave they are just trolling.
Unfortunately this type of release is taken as gospel by many
otherwise sentient people. In the Australian context too many of them
are in the public service. The context needs to be considered, we
generally represent the people of the world whose needs are
Sorry Kieth, I really don't know what sense of humor Ed has he could
well have been motivated only to inform and in fairness I would
otherwise not have read the report. I seriously doubt that the
Editors or fellows of the NAS take any work that they publish
as gospel. I expect that they feel
.
Your biocide sounds interesting...and I guess you don't buy it from
a
hardware shop!!
gjkimlin wrote:
Hi Steve, I compared the FA composition that you posted with some
in
the european literature. What strain are you growing? The European
crop specifically grown for bio seems
Hi Steve, I compared the FA composition that you posted with some in
the european literature. What strain are you growing? The European
crop specifically grown for bio seems to be called OO or00
probably because it has zero 22C FAs. Have you cooled your bio to
determine the cloud or pour
The ACREVO report states that: . Short-chained coconut and palm
kernel oil methyl ester have distinct emission advantages in terms of
hydrocarbons, carbon monoxide, particulate matter and polycyclic
aromatic hydrocarbons, but disadvantages as far as nitric oxides are
concerned it goes on to
Actually the methanol doesn't mix that well with the biodiesel. IPA
(Isopropyl Alcohol) does and seems to have a beneficial effect at
quite low concentrations 2% even. IPA isn't cheap here, 95% ethanol,
even at 10% is attractive since that is what is sold as metholated
spirits. Tony clogged
I'm going to get into trouble here but hey it's the truth we're after
right?
I read the paper on genetically modified vegetable oil and determined
the following:
1) The oil in question was derived by an enhanced mutation method.
To me this means that it was not genetically engineered as it did
Hi Camillo,
I may be out of date but I had the impression that the ENERGEA
system while being attractively high tech was prohibitivly expensive
for biodiesel production at the community level. When the WVO costs
10c Aust/litre and the consumables ~20c/litre of oil, the biodiesel
should
Some interesting papers on water diesel mixes in that link Kieth.
Somewhere in there there must be some indication of the best
emulsifiers for diesel and water if not bio, water and ethanol.
I couldn't access the link I prefer for detergents, probably down for
a while if anyone wants to try
Some recent discussion on water injection focused on the cooling
effect of the water and or ethanol. That is important as it would
increase the effective turbo boost and increase the power output. If
the boost effect is substantial though the increase in cylinder
pressures must be a concern.
A grant of up to $200 000 may be available for a suitable proposal to
build a plant to convert WVO to bio in Queensland. I believe that
this would have to involve a company that includes a major WVO
collector and probably a fuel distributor or one of the refineries.
I am able to provide most
Geoff, you really need to tell us where you are. I was recently
offered 30% ethanol from a waste disposal outfit--they got it from
some herbal extract business--the business should be using a good
reflux still to regain at up to 95% purity. I could not use the
ethanol since for bio diesel I
From: Gary Kimlin (Harry) UQ Gatton campus.
Hi Barry and Lyle,
I'm situated near Gatton. Friend Tony and I have been producing bio
for my Pajero and Tony's Crane hire truck for some months. We
generally make up to 200 litres a week from various feed stocks. We
have struck various problems
I note that the Coco diesel doesn't claim to be methyl esters.
Digestion by micro-organisms is an obvious step in Oil extraction if
the product doesn't need to be edible. It is quite likely that some
yeast like bugs would target the glycerol part of an oil molecule,
releasing FFAs. In fact
The problem with iodine number is that it effectively measures the
number of double bonds in a quantity of fatty acids, generally while
they are still attached to the glycerol. The methyl ester of an 18
carbon FA that is saturated has a high freezing point. One or more
double bond reduces the
I have been investigating the relationship between the degree of
saturation of FAME's and the potential for polymerisation both within
B100 and between the esters and components of diesel (dino-diesel).
Doesn't look good. There is a statistically significant correlation
between the proportion
--- In [EMAIL PROTECTED], Tanya Du Preez [EMAIL PROTECTED] wrote:
Hi Tanya, The glycerine you have will likely contain FAME and some
other oily residues. These will separate by dilution, usually with
deionised water, followed by acidification. After that filtration
with activated charcoal
Paddy I can not see how you can avoid heating to 110C for a drying
cycle. WVO that contains water as you describe may also contain
detergents and other waste. The technical difficulty involved in
building a container that will not collapes under vacume may be less
than that involved in
Yes it does make sense. A molecular still works on this principal. A
large metal basket(1metre) with sides that taper out at the top
rotates at a few hundred revs within a basket of heating coils. The
feed stock migrates up the inside in a thin layer. In this case the
water could evaporate
Fair go Pedro, you want all my secrets.
I recently described a process to convert the foots from a palm oil
refinery to good quality bio. The foots are the result of taking the
entire waste stream, as soap stock, and performing an acidulation
process. This results in a lot of phospholipids and
Iodine number is a measure of the degree of saturation of the fatty
acids, it is therefore connected with the freezing point of some of
the esters present. Unsaturated FAEs have a lower freezing point than
saturated esters of similar carbon chain length, however they can
link together to form
titrate against a HCl standard.
--- In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote:
Hello group
We've decided to develop a standards testing procedure and we plan
to
start with the 4 Austrian standards density, viscosity alkali and
water content.
I wonder if anyone can point us to a simple
Good advice Fen,
The first thing is to remove the prefilters and replace the main
filter units. The problem could be mainly the gum.
Though I would never consider selling it, I have used gelling Bio
from sources containing longer chain FAs and saturated FAs in my own
car without problems. The
Hi Jim,
I had problems originally too with the acid/base two stage. I have
studied the chemistry since and am supprised that I did as well as I
had.
The addittion of conc Sulphuric acid to oil is a touchy process. The
acid can sulphonate the oil(very bad)and it can otherwise affect
chemical
Sorry to mislead you Richard, a 1ton batch plant can produce at
least 4 tons a week. Theoretically that is a cost of less than $60
000 for sufficient plants to make 40 000 tons/year. Probably in
nearly 200 villages. Personally I would not use such a small batch
plant for large scale
Hi Steve, The Maths here reminds me of past student I met up with at
a class reunion years ago. His name was Mario and he bunged on an
accent (an Aussie through and through)not a good student but a good
fun kid. Mario turned up in this big flashy car looking very
prosperous. The guys asked
Hi Mauro, good post.
I have been working with palm oil, for my own use (mostly cotton
seed for others)The POME may have a MP of 14C but when blended its'
clog point seems much lower.This winter I used 50% POME at down
to -5C air temp with no problems. The setting point would not deter
me
Now that Kieth has made it clear why he has a problem with some of
Dick's historical remarks, can we move on please? The issue of
standards as quality control and Standards as government regulation
are both important to me. Once a Standard is recommended in Australia
it will quickly become
Steve I also await the Australian standard and that may be a mistake.
Unless of course we can agree that an existing standard has it right.
If someone wanted to limit the expansion of biodiesel in Australia
for some reason, a standard that can only be met by big business or
that relies on the
(1) If fatty acids are saturated by mixing with hydrogen and a catylst
(to increase M.P.), can they be unsaturated by oxidation with, for
example, chlorine bleach or aeration?
I have some methyl esters from tallow (MP~27C)I will try oxidising
some to see if the MP will come down. Let you know.
Hi Steve and welcome,
I don't believe that you would need to degum first, but you may need
to dry the black oil by heating. Don't be heavy handed on the caustic
and you should be OK. A local natural soap maker would value
your impure glycerol, caustic and all- try to get enough for it to
at
I become concerned when a plant manufacturer says that their plant
can make biodiesel from tallow. The methyl ester that I have made
from tallow has a melting point over 22degrees-too high for fuel.
When mixed with diesel the tallow FAME still solidifies. Does anyone
have a use for tallow
Acrolein is the alcohol of propene (ie propanol with a carbon double
bond) and is the breakdown product of glycerol as you distill it at
290C. Addition of acid(Conc. H2SO4) to glycerol may accellerate the
break-down. The acrolein can be retrieved with the same reflux still
used to reclaim
There is no doubt in my mind that Australia can not meet the Kyoto
targets. Mostly the problem is one of ego. Only a small fraction of
Australia could be considered industrialised and yet we insist on
being included as an industrialised nation. The spread of population
and resources over a
Cottonseed oil producers in Oz keep refering me to the Chicargo
exchange for oil prices. The Chicargo site does not appear to list
cottonseed oil as such. When I start surfing after prices on the net
I run into conflicting information, much I suspect to do with my
currency conversion. There
The personal use kit reaction and washing vessel will have a total
capacity of 120 litres allowing for 50 litre of oil per batch. It has
a conical base for ease of seperation. Base/base process, separate
methanol/NaOH mixer, pump mixer(with venturi input for methanol),
thermostat and heater
We expect to have personal use kits available within a month or so.
We are currently building a 5 tonne batch processor for our own
commercial use in Queensland.
Regards from Harry.
--- In [EMAIL PROTECTED], Dick Carlstein [EMAIL PROTECTED] wrote:
in answer to :
From: Wooly . [EMAIL
You got that right Dick. The best off road workhorse I'v owned and
they dress in up like a town car.
--- In [EMAIL PROTECTED], Dick Carlstein [EMAIL PROTECTED] wrote:
From: Paul Gobert [EMAIL PROTECTED]
Subject: Re: cottonseed oil
Greetings Dick the snipper,
it's an art, believe me !!
In Oz the term refers to a person who has a poor grip of reality,
usually in a compliance or controling orientation. They make very
good bureaucrats or at least would like to.
--- In [EMAIL PROTECTED], kirk [EMAIL PROTECTED] wrote:
LOL!
OK
I think I understand.
Kirk
-Original
Paul have you tried acidifying your washing water?10ml of 35% HCl/L
of water. A small amount of steam at the last glycerol seperation
stage seems to remove soaps with the glycerol. (this is the glycerol
I intend to keep as a hand cleaner.) 10-20mls of water/L to the hot
product then heat to
I have had success with palm oil using the two part alkali method. I
use 5gm/litre NaOH and 120 mls of methanol/litre oil. Allow the oil
to cool after melting as hot spots seem to boil off methanol. The
glycerol at stage 1 settles well after 6hrs but is semisolid, before
that it is liquid but
This statement by Steitz alludes to an important issue in human
influence re climate. I agree that human activities may not have been
warming the earth for the last 50 years. The reasons however are
important. Surface temperature measurments in Europe did not show
rises for most of this
There is a very simple explanation for this. The satellite data are
more comprehensive and more accurate than the surface data. They are
telling us that claims that the earth is overheating are just hot
air. If the global warming modelers admitted that, their gravy train
would derail.
The gram
Global warming is an interesting term. The greenhouse effect,
relative to the way man's activities are altering the composition of
the atmosphere, surely must alter the way heat is transfered from
near the surface of the earth to the upper atmosphere. If the ground
warms significantly more in
Global warming is, unfortunately, real enough. Weather is generally
powered, albeit indirectly, by solar radiant energy. Except where
there is reflective snow cover, radiant energy is converted to heat,
directly or via the complicated pathways such as photosynthesis.
Generally heat warms
Actually Kieth you may be pleased to know that I can see that there
is sufficient excess production capacity for the production of bio
fuels, particularly ethanol. I was concerned that ethanol production
would be linked to sugar growing. Expansion of sugar production has
spoilt thousands of
Interesting title Ray. But is it climate or just weather? Long range
weather forcasters have predicted many significant weather events
based on observed solar cycles. The variation in solar energy
reaching earth is significant and can cause variations in surface
temperatures that must have
I'm not defending them, just making the point that in the struggle to
make ends meet, people in developed countries will destroy the
resource for short term survival.
--- In [EMAIL PROTECTED], Keith Addison [EMAIL PROTECTED] wrote:
Gary and Jos Kimlin [EMAIL PROTECTED] wrote:
I don't want
I hear the arguments, but where they lack a logical build up that can
be followed I treat them as opinion.
You write as if the green revolution didn't deliver any food to people
(individuals) who were hungry or who would have otherwise died of
starvation related disease. The world population
Found Loudermilk can't find the second reference. Loudermilk focuses
on erosion and siltation. Does a good job of promoting soil
conservation. What it demonstrates to me is that since we can now
cultivate the heavy volcanics we should leave the light soils alone.
Sure he discounts climate
I reread the Food first stuff and found the same as before:
World hunger is like a beggar looking in the window of a restruant or
Macdonalds. I agree that we need to do something about that. Indeed I
would like that to be my focus.
There is nothing to suggest that slowing the rate of increase
I think that the phenol red turns at about PH 7 the Phenothaline
turns at about PH 8 ( I think)so you would need more NaOH to turn the
latter. The Phenol Red may be better to compare oil residue in the
BD. If you treat the titration as a comparsion you should be OK. Use
it to calculate the
I use a 2.5litre conical flask with a watch glass on top and a hot
plate stirrer. I heat gently with a small stirring bug. The methanol
tends to refux in the flask (neck stays cool). 2 litres with 140gms
NaOH took about 5 minutes to dissolve this afternoon.
--- In [EMAIL PROTECTED], Paul
Re: Paper Chromatography. Are there specific disclosure solutions for
the glycerol, Esters and oil? I remember(many years ago) spraying an
essentially invisible separation of esters/oil with some compound
that disclosed the bands. Can't find a basic text book when you want
one!!
Regards Harry
When I titrate with phenalphaline indicator to determine residual oil
in BD there seems to be a zero error when the BD has been purified.
i'm trying various methods (as I think of them) to purify the BD to
check this. Has anyone checked (calibrated) the titration method
against chromatography
Titration is working now, (batch 1) alkali only 10% oil (batch 2)acid
then alkali 20% oil. Got the centrifuge working--no separation from
batch 1---looks like good whisky. Batch 2 gave a solid deposit ~1/5th
by volume liquid clear but dark. Tried the titration from the BD on
the very top
OK What I intend is to attempt to :
1) Use bicarb soda to neutralise the acidic BD prior to titration.
Hopefully this will give me a constant starting point PH wise.
2) Seperate about 5gms of both BD and Source oil (palm) by paper
chromatography, ether extract fractions and weigh. Should give a
I attempted to titrate to find how much unprocessed oil remained in
my BD made from palm oil(I made two batches one two stage base and
one foolproof method). I found that the BD after drying attained a PH
of about 6. The titration results seemed to vary more from my various
attempts to adjust
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