Re: [Biofuel] NaOH vs. KOH - Start to end

2005-12-26 Thread Vaklin Hristov
: 267.14.7/214 - Release Date: 23.12.2005 ã.

Vaklin Hristov
CAR DIAGNOSE Ltd.
P.O. Box 79
3320 Kozloduy
Bulgaria 


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Re: [Biofuel] NaOH vs. KOH - Start to end

2005-12-26 Thread Vaklin Hristov
Hi

At 21:58 25.12.05, you wrote:
Vaklin,

 For now I'm living in the jungle, my friend. I'm
 sure the day when I'll take care about the
 environment will come soon, but when, nobody knows.
 
 
I really hope I didn't hear that right. Just what do you propose to do
with the glyc cocktail after it settles out of the reaction? Dump it and
then the stormwater runoff take it downstream? Wouldn't that be in
someone else's drinking water?

 BTW explain me please (for a future use) if I do
 my batches with KOH and live in white country
 
 
White country? Only whities have access to KOH?
I really hope I didn't hear that right either

I can buy KOH in any quantity. Not this is the goal. White country 
is a country like USA, Canada, EU etc. where citizens behavior is 
adequate and salary is adequate too. In these countries is normal to 
use more environment suitable components and take care about waste 
products. In another countries called countries from third world 
important is survive ...


 how I can save some money. Exactly difference
 between NaOH and KOH for 1m3 fresh oil is 7.14kg
 vs. 10kg. In money this means, 5BGN vs. 25BGN.
 
This math doesn't quite fit. A 100% compliment of NaOH per liter of oil
costs 5 monetary units and an amount of KOH that performs the same
function costs 400% more? Double perhaps (1.4 x 1.0 plus a markup for
inventory of a perhaps less widely used status).

Again try to explain:

1kg NaOH - 0.70 units
1kg KOH - 2.5 units

2.5 / 0.7 = 3.57 times in price for each kg.

3.57 x 1.4 = 4.998 times in total cost for 100% KOH

4.998 + 10% = 5.4978 times in total cost for 90% KOH. Here KOH is 
91-92 % purity.


You need to search out your sources whenever and wherever possible,
especially if your monetary resources are tight. KOH is a market
standard almost anywhere.

 
 Divide to 1000 liter I get 0,02 BGN extra cost
 per liter or about 1.5% up in final price. To
 cover this extra charge I should have:
 
 1. Fast reaction time. Electricity costs money and no small money.
 
 
Reaction times are equal.

So no profit from here...

 or
 2. Somebody who are ready to pay for waste
 products. I don't know exactly where is the
 difference between waste products from sodium and potassium.
 
 
The recovered NaOH is in the form of sodium phosphate, or worse yet,
sodium sulfate. Realistically, neither have any retrievable value. The
recovered KOH would be in the form of potassium phosphate, or at worst,
potassium sulfate. The former is a fertilizer. How much it's worth per
pound is determined by your own marketplace.

As for any perception of increased cost by including FFA using
phosphoric acid? You have to ask yourself just what price you're already
paying for petroleum fuel. If a $20.00 expense can net a 25 gallon
savings...? I'll let you do the math.

Petroleum diesel here is 1.60-170 BGN for small quantities and -10, 
14% for bulk.

So, if my is with total cost without the profit up from 1.00-1.05 BGN 
no reason to do them at all. Again nature and environment are out 
from calculation.


 
 Ideas how to reach something from these points?
 
 
Yes. A cradle-to-grave cost/benefit analysis using the best prices that
can be found from your markets..

Todd Swearingen


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CAR DIAGNOSE Ltd.
P.O. Box 79
3320 Kozloduy
Bulgaria 


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Re: [Biofuel] NaOH vs. KOH - Start to end

2005-12-25 Thread Vaklin Hristov
For now I'm living in the jungle, my friend. I'm 
sure the day when I'll take care about the 
environment will come soon, but when, nobody knows.

BTW explain me please (for a future use) if I do 
my batches with KOH and live in white country 
how I can save some money. Exactly difference 
between NaOH and KOH for 1m3 fresh oil is 7.14kg 
vs. 10kg. In money this means, 5BGN vs. 25BGN. 
Divide to 1000 liter I get 0,02 BGN extra cost 
per liter or about 1.5% up in final price. To 
cover this extra charge I should have:

1. Fast reaction time. Electricity costs money and no small money.
or
2. Somebody who are ready to pay for waste 
products. I don't know exactly where is the 
difference between waste products from sodium and potassium.


Ideas how to reach something from these points?


At 06:03 25.12.05, you wrote:
You've still got to find end uses for your co-/waste-products. Sodium
generates an environmental cost. Potassium generates a monetary and
environmental savings. You might care to see how much the savings in
fertilizer offsets the higher cost of the catalyst before you make a
final decision.

Todd Swearingen

Vaklin Hristov wrote:

 Hi!
 
 Difference is only in total cost of the product.
 I'll try to save every cent because the price of
 biodiesel produced here is very close to bulk
 price of dynodiesel. I mean biodiesel produced
 from fresh not refined vegetable oils. So, my decision is NaOH.
 
 
 At 19:06 24.12.05, you wrote:
 
 
 John,
 
   Later in the entire process am I missing something that
   would make using KOH more complicated?
 
 KOH makes nothing more complicated. Quite the opposite. See other post
 on this thread.
 
 Todd Swearingen
 
 
 
 [EMAIL PROTECTED] wrote:
 
 
 
 Everyone seems to use more NaOh in the process. At this point I plan
 on using KOH even though I must use more.
 I can purchase 90% KOH for .725/lb   and NaOH beads for 51/lb.
 The time savings and ease in mixing KOH is worth the extra cost.
 
 Later in the entire process am I missing something that would make
 using KOH more complicated?
 
 I would be left with Pot Ash. Is there more value to glycerine than
 pot ash?
 
 I have used NaOH so far, but want to switch when my account is finalized.
 
 I have been reading the archives but 58,000 messages may take a while
 to get through.
 
 Currently designing my system to do 175 gallons of WVO per batch, 35
 gallons Methanol ($2.89 gl). I have access to good supply of stainless
 cone bottom tank for all tanks.
 
 John Frey
 
 
 
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 267.14.7/214 - Release Date: 23.12.2005 ã.
 
 
 
 Vaklin Hristov
 CAR DIAGNOSE Ltd.
 P.O. Box 79
 3320 Kozloduy
 Bulgaria
 
 
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Vaklin Hristov
CAR DIAGNOSE Ltd.
P.O. Box 79
3320 Kozloduy
Bulgaria 


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Re: [Biofuel] NaOH vs. KOH - Start to end

2005-12-24 Thread Vaklin Hristov
Hi!

At 18:29 24.12.05, you wrote:
Hello Vaklin

 My personal opinion, not sure I'm right or not...
 
 + KOH dissolves in seconds in CH3OH

Some of it does, but it takes about 10 minutes or more to dissolve
what you'd use to make a batch.

 o The process has not faster than one with NaOH

No, and also it's not slower.

 - KOH here is 3 times expensive than NaOH

Are you sure? People have said such things but when they had a better
look they usually managed to get it for about the same unit price
(though you use more), including at least one person in East Europe.

Will give prices in BGN (native currency $1.64 = 1BGN)
NaOH 0.70 BGN without VAT;
KOH 2.50 BGN without VAT.

Have found the place where can buy for approx 1.50 BGN, but should drive 300km.


 - You should use approximately 1.5 times (in grams) more KOH

Why give only an approximate figure for how much catalyst to use? If
it's not accurate it's useless, or worse. You need to use 1.4 times
as much (1.4025), and you also have to adjust it for purity. For
accurate information please see:

More about lye
http://journeytoforever.org/biodiesel_make2.html#lye

I have wrote approximately. Exactly the value is as you said.

For 250 ml fresh rape oil I have used 2.5g KOH or 
1.78 gram NaOH. With these values I have got 
excellent esterification in 1 hour and 30 
minutes. Every time I'm awaiting 30 minutes more. 
Temperature is constant, 58 degrees Celsius.

 - Washing after KOH is more difficult. For me 4-5 washes vs. 3.

I think most people have the opposite experience, easier washes.

Maybe .. Probably they use better water than mine from kitchen pipe.

 - KOH accepts very faster H2O from the air. From this comes more
 expensive holding.

We used NaOH for years and switched to KOH more than two years ago,
we've used a lot of it since then, we live in a humid place and we
haven't seen any difference in absorption.

And you know every day real water contents? I'm sure KOH is useable too...

 - I have expected 100% esterification with KOH, but unfortunately I
 have got the same ester/glycerin ratio as with NaOH.

Conversion never reaches 100% completion.

I know, but have read some documents where in 
closed reactor with 70 degrees Celsius and KOH they has reached 100%.

 So KOH doesn't cover my hopes.

But you seem to have hoped for some odd things.

No, just better self value for the product.


 All this I get from few 200 ml test batches from fresh rape oil.

Keep going, good luck.

Best

Keith

Thank you.



 At 04:12 24.12.05, you wrote:
 Everyone seems to use more NaOh in the process. At this point I
 plan on using KOH even though I must use more.
 I can purchase 90% KOH for .725/lb   and NaOH beads for 51/lb.
 The time savings and ease in mixing KOH is worth the extra cost.
 
 Later in the entire process am I missing something that would make
 using KOH more complicated?
 
 I would be left with Pot Ash. Is there more 
 value to glycerine than pot ash?
 
 I have used NaOH so far, but want to switch when my account is finalized.
 
 I have been reading the archives but 58,000 messages may take a
 while to get through.
 
 Currently designing my system to do 175 gallons of WVO per batch,
 35 gallons Methanol ($2.89 gl). I have access to good supply of
 stainless cone bottom tank for all tanks.
 
 John Frey


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Vaklin Hristov
CAR DIAGNOSE Ltd.
P.O. Box 79
3320 Kozloduy
Bulgaria 


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Re: [Biofuel] NaOH vs. KOH - Start to end

2005-12-24 Thread Vaklin Hristov
Hi!

Difference is only in total cost of the product. 
I'll try to save every cent because the price of 
biodiesel produced here is very close to bulk 
price of dynodiesel. I mean biodiesel produced 
from fresh not refined vegetable oils. So, my decision is NaOH.


At 19:06 24.12.05, you wrote:
John,

   Later in the entire process am I missing something that
   would make using KOH more complicated?

KOH makes nothing more complicated. Quite the opposite. See other post
on this thread.

Todd Swearingen



[EMAIL PROTECTED] wrote:

  Everyone seems to use more NaOh in the process. At this point I plan
  on using KOH even though I must use more.
  I can purchase 90% KOH for .725/lb   and NaOH beads for 51/lb.
  The time savings and ease in mixing KOH is worth the extra cost.
 
  Later in the entire process am I missing something that would make
  using KOH more complicated?
 
  I would be left with Pot Ash. Is there more value to glycerine than
  pot ash?
 
  I have used NaOH so far, but want to switch when my account is finalized.
 
  I have been reading the archives but 58,000 messages may take a while
  to get through.
 
  Currently designing my system to do 175 gallons of WVO per batch, 35
  gallons Methanol ($2.89 gl). I have access to good supply of stainless
  cone bottom tank for all tanks.
 
  John Frey
 
 
 
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 list archives (50,000 messages):
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P.O. Box 79
3320 Kozloduy
Bulgaria 


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Re: [Biofuel] two stage proccess... doubts

2005-12-19 Thread Vaklin Hristov


Hi
At 16:48 19.12.2005 'ã.', you wrote:
Hi Vakin;

Thanks for your input. When you say 200 ml RO do you mean you wash
a 1 liter test batch with 200 ml of reverse osmosis
water?
No. I mean 200 ml methil ester washed with 56 ml pure water. After
heating for couple of minutes up to 55 deg. C it looks just
fine.
BTW 95 deg. C is pretty warm it
may dry the fuel quicker but there are some notes on J2F that indicate
biodiesel can oxidize. 
This is only to test quantity of water inside the BD. Really I noticed
well done drying is possible with 55-60 deg C (the same temperature used
by me for the main process.
It may be accelerated at
that temperature unless you use CO2 or N2 blanket to keep air away.
Also it takes more energy to heat the fuel that much. Just a
thought.

Also I heard one can use an automotive air conditioner compressor as a
vacuum pump. Don't know what level of vacuum it can produce but it
is worth a try if the price is right.

These pumps are not expensive in the US, but here they are about $500.
Oil inside the pump is extremely water sensitive. 15 or 25 micron of
vacuum isn't necessary for this job. Better is to use simple vacuum pump
for old dentist chair for example. Or few years before (now I don't know)
was wide available in eBay vacuum pumps motorized by compressed
air.
Joe
Vaklin Hristov wrote:

Hi!

Some time before (I mean early '80) many automotive enthusiast add a 
water injector to their carburetors. Bit better mileage with the same
power.

Return line for diesel engines has a enough quantity of fuel to do 
stir washing of your BD. Important is to not get fresh water
into 
the pump! This can be done with some modernization of your fuel tank.


BTW my test batches (200 ml RO) with NaOH as catalyst every time 
looks bit waterized after third stir wash and this stay at
least 
three days. Maybe more but I have gave the batch for physical 
analysis. With KOH water goes out more rapidly. In both processes 
esterification is 92-93%. In monday I'll know how much water has in 
the batch after third wash and after 95 degrees Celsius for one hour. 
Will inform about results, but I think the quantity will be in ppm's.



At 23:13 17.12.05, you wrote:



Just an addition:
In my early batches I was so curious how the BD will
affect the engine I did that test-after the third wash
the fuel was something like Fanta orange,with lot of
water dispersed within,but I pour it in the tank.My
Renault 11 was just fine.Then I heated the BD to
dewater it and what I found?The MPG raised and some
loss of power appeared(5-8%).The same BD with water
was better fuel than without water.The mean problem is
that the water does not stays dispersed!I recall in
the early `80 there was a Russian invention how to mix
gasoline with water by means of
piezo-quartz(ultrasonic frequency)submerged in the
tank,but all I can remember is only the idea!Nowadays
I read somewhere someone was trying to rich the same
effect by azeothrop agents.

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CAR DIAGNOSE Ltd.
P.O. Box 79
3320 Kozloduy
Bulgaria
Phone: +359887000332
FAX: +35997382758 


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Vaklin Hristov
CAR DIAGNOSE Ltd.
P.O. Box 79
3320 Kozloduy
Bulgaria



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Re: [Biofuel] two stage proccess... doubts

2005-12-19 Thread Vaklin Hristov


Again here main problem is water. Compressors for R134a are lubricated
with ester oil and the ester oil loses lubricant feature very shortly in
high humidity. As Rumen said, the best way is vacuum pump from any diesel
engine.
At 04:13 20.12.05, you wrote:
a/c compressors or refrigerator
compressors will produce enough vacuum but they are also designed to
allow thier crankase oil to circulate through the system. if it is not
captured and returned they don't run for very long
-- Original message --
From: Joe Street [EMAIL PROTECTED]
 Hi Vakin;
 
 
 
 Thanks for your input. When you say 200 ml RO do you mean you
wash a 1 
 liter test batch with 200 ml of reverse osmosis water?
 BTW 95 deg. C is pretty warm it may dry the fuel quicker but there
are 
 some notes on J2F that indicate biodiesel can oxidize. It may
be 
 accelerated at that temperature unless you use CO2 or N2 blanket to
keep 
 air away. Also it takes more energy to heat the fuel that
much. Just a 
 thought.
 
 Also I heard one can use an automotive air conditioner compressor as
a 
 vacuum pump. Don't know what level of vacuum it can produce
but it is 
 worth a try if the price is right.
 
 Joe
 
 Vaklin Hristov wrote:
 
 Hi!
 
 Some time before (I mean early '80) many automotive enthusiast
add a 
 water injector to their carburetors. Bit better mileage with the
same power.
 
 Return line for diesel engines has a enough quantity of fuel to
do 
 stir washing of your BD. Important is to not get
fresh water into 
 the pump! This can be done with some modernization of your fuel
tank.
 
 
 BTW my test batches (200 ml RO) with NaOH as catalyst
every time 
 looks bit waterized after third stir wash and this
stay at least 
 three days. Maybe more but I have gave the batch for physical

 analysis. With KOH water goes out more rapidly. In both
processes 
 esterification is 92-93%. In monday I'll know how much water has
in 
 the batch after third wash and after 95 degrees Celsius for one
hour. 
 Will inform about results, but I think the quantity will be in
ppm's.
 
 
 
 At 23:13 17.12.05, you wrote:
  
 
  Just an addition:
  In my early batches I was so curious how the BD will
 affect the engine I did that test-after the third wash
 the fuel was something like Fanta orange,with lot of
 water dispersed within,but I pour it in the tank.My
 Renault 11 was just fine.Then I heated the BD to
 dewater it and what I found?The MPG raised and some
 loss of power appeared(5-8%).The same BD with water
 was better fuel than without water.The mean problem is
 that the water does not stays dispersed!I recall in
 the early `80 there was a Russian invention how to mix
 gasoline with water by means of
 piezo-quartz(ultrasonic frequency)submerged in the
 tank,but all I can remember is only the idea!Nowadays
 I read somewhere someone was trying to rich the same
 effect by azeothrop agents.
 
 __
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 Tired of spam? Yahoo! Mail has the best spam
protection around


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 ___
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(50,000 messages):


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 --
 No virus found in this incoming message.
 Checked by AVG Free Edition.
 Version: 7.1.371 / Virus Database: 267.14.1/206 - Release
Date: 16.Dec.05
  
 
 
 
 CAR DIAGNOSE Ltd.
 P.O. Box 79
 3320 Kozloduy
 Bulgaria
 Phone: +359887000332
 FAX: +35997382758 
 
 
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From: Joe Street [EMAIL PROTECTED]
To: Biofuel@sustainablelists.org
Subject: Re: [Biofuel] two stage proccess... doubts
Date: Mon, 19 Dec 2005 14:49:09 +
Content-Type: Multipart/mixed;
boundary=NextPart_Webmail_9m3u9jl4l_25556_1135044792_1
Hi Vakin;

Thanks for your input. When you say 200 ml RO do you mean you wash
a 1 liter test batch with 200 ml of reverse osmosis water?
BTW 95 deg. C is pretty warm it may dry the fuel quicker but there are
some notes on J2F that indicate biodiesel can oxidize. It may be
accelerated at that temperature unless you use CO2 or N2 blanket to keep
air away. Also it takes more energy to heat the fuel that
much. Just a thought.

Also I heard one can use an automotive air conditioner compressor as a
vacuum pump. Don't know what level of vacuum it can produce but it
is worth a try if the price is right.
Joe
Vaklin

Re: [Biofuel] two stage proccess... doubts

2005-12-17 Thread Vaklin Hristov
Hi!

Some time before (I mean early '80) many automotive enthusiast add a 
water injector to their carburetors. Bit better mileage with the same power.

Return line for diesel engines has a enough quantity of fuel to do 
stir washing of your BD. Important is to not get fresh water into 
the pump! This can be done with some modernization of your fuel tank.


BTW my test batches (200 ml RO)  with NaOH as catalyst every time 
looks bit waterized after third stir wash and this stay at least 
three days. Maybe more but I have gave the batch for physical 
analysis. With KOH water goes out more rapidly. In both processes 
esterification is 92-93%. In monday I'll know how much water has in 
the batch after third wash and after 95 degrees Celsius for one hour. 
Will inform about results, but I think the quantity will be in ppm's.



At 23:13 17.12.05, you wrote:
  Just an addition:
  In my early batches I was so curious how the BD will
affect the engine I did that test-after the third wash
the fuel was something like Fanta orange,with lot of
water dispersed within,but I pour it in the tank.My
Renault 11 was just fine.Then I heated the BD to
dewater it and what I found?The MPG raised and some
loss of power appeared(5-8%).The same BD with water
was better fuel than without water.The mean problem is
that the water does not stays dispersed!I recall in
the early `80 there was a Russian invention how to mix
gasoline with water by means of
piezo-quartz(ultrasonic frequency)submerged in the
tank,but all I can remember is only the idea!Nowadays
I read somewhere someone was trying to rich the same
effect by azeothrop agents.

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