All Content and
Images on this page are copyright Summit Enterprises LLC and may not
be used without the express written consent of Summit Enterprises
LLC.
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GUARANTEED to put a smile on
your face
Wait until the first time you run fuel through this and
see it go in dirty, cloudy and raw looking and IMMEDIATELY
come out SPARKLING CLEAR. You'll be hooked and it's
guaranteed to put a big smile on your face. No more
water washing, disposing of the water, waiting, and waiting.
No more emulsifications, (it's the perfect cure for those
dang middle layer emulsions we all get at times). No
more risk of overfilling your processor with water, causing
a big spill of biodiesel. |
Click a link below to go quickly to that section or
scroll down to read everything
Dry Wash Basics (all about Dry
Washing)
FAQ
Dry Wash models
Purchase Here
Advantages to our
drywash
system-
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Reasonable use
cost - $0.10 per gallon of B100. (Actual cost is dependent on
contaminant levels in the crude bio-diesel)
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High capacity -
20lb drywash media treats roughly 2000 gallons of biodiesel. And that's
our smallest size. |
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Systems
Come Complete with Thermax T45 BD Macro Resin, the newest and
best dry wash media available (read more below)
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Improves B100
quality to meet ASTM D6751 and EN I4212 specifications with properly
processed fuel |
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Does not require
expensive filters for extremely difficult to filter out Magnesol®
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Allows for
increased production with batches made in as little as 12 hours
(24-36 is ideal) |
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Easy to
implement at any point, with new systems or existing systems.
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Can be
retrofitted easily to existing systems
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Eliminates waste
water |
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Emulsion risk is
eliminated |
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No drying time
required |
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Cuts
hands on time by about 50% |
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Low energy
operation |
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No additional
filtration steps |
If you've heard about the 'Dry
Wash' method of cleaning your Biodiesel, but are not sure what
it is, or how it works, this section will tell you all about it. You
will be amazed at how simple this process is, and how much time it
will save you. With no water washing at all your Biodiesel will come
out sparkling clean and shiny looking. You can now cut your hands on
time In Half! With the proper procedures this system is capable of
outputting ASTM grade Biodiesel in one pass through the system.
Here, we will specifically discuss the Thermax T45 BD Macro Resin as that
is the one we will offer to our customers due its superior cleaning
abilities.
What is Dry Washing?
When we talk about Dry Washing our Biodiesel we are
referring to a revolutionary process by which we eliminate all need
for water washing to clean our fuel and instead clean our fuel in
one pass using a Dry Wash media. This saves the tedious steps of
water washing and drying the fuel, and still results in premium
quality, clean Biodiesel. This kind of media has been specially
designed by manufacturers such as Purolite, Rohm & Haas, Dow or the
newest media, Thermax T45. The way it works is that you
process the Biodiesel as you normally would; draining the glycerin
off completely, then you pass the Biodiesel through a Dry Wash Resin
tower. As it passes through the tower the resin will clean the
Biodiesel via an "Ion Exchange" process, similar to
the way a water softener works. Nothing is added to the fuel like
with Magnesol, but all the contaminants are removed leaving you with
pure, clean Biodiesel.
How it works
In a nutshell you simply pass the raw Biodiesel
through the dry wash system slowly, and out comes sparkling
clear, ready to run Biodiesel!
It only takes One Pass through the column with this system!
You will be amazed. The simple technical explanation is that as the
Biodiesel passes through the resin, the Ion Exchange process
takes place whereby an atom of hydrogen is strongly attracted to the
contaminants in the Biodiesel, but not the Biodiesel itself. This
strong attraction usually results in an atom of hydrogen being
replaced (exchanged) with an atom of a contaminant. The
contaminant is now attached to the resin in place of the hydrogen
and the hydrogen molecule is left in the Biodiesel. This all happens
on a molecular basis and is a very efficient method of cleaning the
fuel.
More about the Thermax Resin
Thermax resin was specifically created to clean
higher viscosity liquids through an Ion Exchange method. First, the
resin is created in the factory and is specifically made to be very
porous, which increases the available cleaning surfaces by having
internal and external surfaces. You could picture the resin looking
similar to a sponge, but on a microscopic scale. After the resin is
created, it is then treated with Hydrogen from Sulphuric Acid. They
do this by soaking the resin beads in a bath of highly concentrated
Sulphuric Acid which causes millions of the Sulphuric Acid's
molecules to actually bond to the surfaces of the resin beads. This
leaves behind millions of molecules of hydrogen attached to the
surfaces of the resin, ready for cleaning.
Design Considerations
In order for this process to thoroughly clean the
fuel there are several design and operating principles that must be
adhered to. If we ignore these or do them improperly we will end up
with fuel that is not thoroughly cleaned or purified and could cause
damage to our engines. First of all the vessel must be designed
properly to be durable and to allow the proper flow rate,
filtration, etc. The dry wash system we now offer is in a sturdy
steel column which is needed due to the expansion of the media when
it is soaked with Biodiesel. Depending on the media it can expand
from 50-100% once saturated. Fiberglass and PVC columns can crack
due to this expansion, so we now only offer the steel columns. The
column also has to have the correct aspect ratio to achieve the
proper flow rates and contact area. When we pass the Biodiesel
through the Thermax resin we are attempting to do several things. We
are trying to get the Biodiesel to pass through the resin equally,
so that all the surfaces of the resin get to clean the fuel equally,
avoiding loading up parts of the resin while others remain clean.
And we are ensuring the Biodiesel has plenty of time to pass through
the resin, allowing the resin the time it needs to completely remove
the contaminants.
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Quality
Just take a look at the quality of the welds as shown
in the photo on the right. These are built very well for many
years of service. They are not manufactured by an amateur
welder in their garage.
Screens have been an issue in some systems, but not
with our new systems. The screen is supported by a sturdy
steel support plate and should last indefinitely.
(click image for larger view)
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Thermax resin vs Purolite or Amberlite
The Thermax resin beads are an improvement over the
Purolite and Amberlite primarily due to the larger internal pores.
The Thermax resins used in this process are considered to be Macro
Porous resins vs micro porous for the other resins. Purolite and
Amberlite resins have pores designed to let water pass through them
but due to Biodiesel's higher viscosity, it is not able to pass
through these resins. Thermax pores are Macro Porous meaning the
pores are much larger, which allows the more viscous Biodiesel to
flow through the pores and not just over the surface which greatly
increases its cleaning ability. The Thermax resin is also less
susceptible to compaction and pressure build ups due to bead
swelling compared to Purolite and Amberlite. You can also expect the
Thermax to last longer before needing cleaned due to the macro
porous resin having more useable surface area. Thermax resin also
exhibits a noticeable reduction in the formation of a gelatinous
fouling layer which can form on the top of resin beds under use.
Technical note:
in the business they don’t
actually use the term “microporous”,
I have chose to describe it this way since “non-porous
semi-permeable”
doesn’t translate as well
when
trying to explain the advantages of a Macro-porous resin.
The reason I say this is because gel-resin are considered Non-porous
by professionals!
Methanol Removal
Before beginning the dry washing we must first remove
the remaining un-reacted Methanol as it can cause problems with the
dry wash if we don't. The remaining methanol can cause more
contaminants to stay suspended in the Biodiesel causing you to
deplete the cleaning capacity of the resin soon.
Here are a few methods for removal of the methanol
from the processed Biodiesel.
" Incorporate the 5% water pre-wash (Instructions included with your
system or available on our processor customer only website)
" Using something like an aquarium bubbler, bubble air up through
the Biodiesel for several hours. This will evaporate the methanol
and allow it to be vented out the methanol vent line of your
processor.
" If you are unable to use either of these methods you can use a
centrifuge, or just settle the Biodiesel for as long as possible.
Several days will not hurt. Drain the glycerin each day to ensure
you get as much out as possible and the methanol content should be
reduced.
FAQ
Q - Will the Thermax
resin remove Glycerin?
A - Yes, it will, but you want to avoid this or you'll
deplete your resin prematurely. Be sure to settle for as long as
possible and drain the glycerin completely to avoid this problem.
Q - Will the thermax resin remove
Methanol?
A - A Dry wash system will remove only trace amounts of
methanol, however you want to remove the methanol first by other
means as this is not the intended function of the dry wash media.
Q - Can dry washing completely
replace Water Washing?
A - Yes, if you follow the recommendations given. But keep in
mind that water washing removes Glycerin, soaps, catalyst, methanol
and other impurities, in a multi stage process. The dry wash method
is intended to only to remove the remaining glycerin after thorough
draining and removal prior to dry washing, along with metals, soaps
and some other contaminants, but it is not recommended to remove the
methanol or large amounts of glycerin.
Q - How much does this add to the
cost of making Biodiesel?
A - That answer varies, but if you replace the media each
time it is depleted the added cost is approximately 10 cents per
gallon. This works out like this: 20 lbs of Thermax will clean
roughly 2000 gallons of fuel and the 20 lbs costs $180.00 plus
$25.00 shipping. So it costs roughly $200.00 to make 2000 gallons of
fuel, or 10 cents a gallon.
Q - How long does the media last?
A - When used properly you will be able to process roughly
100 gallons of fuel for each pound of media. Therefore 20 lbs would
process 2000 gallons of fuel, although you may be able to process
much more if you are careful. The media itself can be replaced each
time it is depleted, or you can clean it with methanol, and then
re-use the methanol for the next batch.
Q - What flow rates are recommended?
A - This is an important item so don't ignore this section.
Flow rates are recommended as follows:
" Model EZDW-6a, 6" tower - 9 gallons per hour or .15 gpm
" Model EZDW-10a, 10" tower - 25 gallons per hour or .42 gpm
" Model EZDW -12a, 12" tower - 50 gallons per hour or .83 gpm
Q - What kind of pump do I need?
A - We can supply a bypass assembly that will work on most
processors by allowing you to bypass roughly 99% of the flow coming
out of your processors pump while sending only the recommended
amount through the dry wash system. This bypass will work on most
any pump saving you the cost of an additional pump. Or we can help
you get a pump with an adjustable flow allowing you to pump
exactly the right amount. Contact us for details.
Q - What is the
operating temperature range for the Thermax resins?
A - The maximum temperature is 70°C (158°F). Recommended
operating temperature is 30 - 40º C (86 - 104°F).
Q - What is the storage criteria for
the resin when not in the columns?
A - Avoid overheating or freezing conditions. Products should
be stored in the original containers, with the internal polyethylene
liner folded over the product in order to minimize the chance of
absorption of water vapor from the air. Normal storage temperatures
would vary from 40°F to a maximum of 110°F. Shelf-life for most ion
exchange resins and adsorbents is 5-years but for dried resins,
moisture level should be checked after 2-years to ensure the
moisture content has not increased appreciably.
Q - What is a Lead Lag system?
A - A lead lag system is simply a way of ensuring the highest
quality fuel output all the time, with less down time and is
primarily used by commercial producers. The way it works is the
first column removes the majority of the contaminants but at some
point it will begin to lose its capacity for one or more of the
impurities. At this point some of the contaminants will begin
getting by the media in this first tank, a point called 'Break
Over'. But with a second dry wash column the second column will
catch anything that gets past the second during this break over
point. So the second tank is basically a backup tank. And once the
first tank reaches the break over point the tanks can be switched
with the second tank now acting as the primary filter. For the best
cleaning, you would want to replace the media in the first tank
before implementing it as the lag tank. A lead lag setup is not
really necessary for most of us but the option is available if you
wish.
Q - How big a system
do I need?
A - A good recommendation is to figure out how many gallons a
year you make and purchase a system that will process that amount.
That way you are only changing the media out once a year. Or
here's the general guidelines -
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EZDW-6a - Up to 80 Gallons per week
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EZDW-10a - Up to 200 Gallons per week
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EZDW-12a - Up to 300 Gallons per week
Q - Do I NEED more than one column?
A - No, you can do fine with one column if you
don't try to push your media beyond it's useable life. See the
Lead Lag question above for more info.
Q - How do I dispose
of the Resin?
A - The dry wash resin beads may be safely
landfilled once any methanol is removed. Just dry them out and
landfill them.
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| Model EZDW-6a
6" Column
Our 6" column is perfect
for most small EZbiodiesel users and comes
with 20lbs of Thermax Resin. Cleans
at least 2000 gallons of biodiesel when
processed properly. Media is loaded
and unloaded via the top bolted on plate.
Ideal for those who process up to 80 gallons
per week.
Specifications - 6"
diameter, 60" high with stand. Media
Capacity - 20lbs max. Material -
steel. 3/4" inlet/outlet. Flow rate - 9 gallons per hour
or .15 gpm. Media life - at least
2000 -3000 gallons OR More |
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| Model EZDW-10a
10" Column
Our 10" column is perfect
for slightly larger EZbiodiesel users and
comes with 70lbs of Thermax Resin.
Cleans at least 7000 gallons of
biodiesel when processed properly.
Media is loaded and unloaded via the top
bolted on plate.
Ideal for those who process up to 200
gallons per week.
Specifications - 10"
diameter, 72" high with stand. Media
Capacity - 70lbs max. Material -
steel. 3/4" inlet/outlet. Flow rate - 25 gallons
per hour or .42 gpm. Media life at
least 7000 - 10,000 gallons OR More |
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| Model EZDW-12a
12" Column with bottom
drain plate
Our larger 12" column is
perfect for EZbiodiesel users producing
higher volumes and comes with 120lbs of
Thermax Resin. Cleans at least
12000 gallons of biodiesel when
processed properly. Media is loaded
through the top flange but is unloaded via the
bottom plate on this model.
Ideal for those who process up to 300
gallons per week.
Available in Top flow (top to bottom) and
bottom flow (bottom to top, costs extra)
Specifications - 12"
diameter, 85" high with stand. Media
Capacity - 120lbs max. Material -
steel. 3/4" inlet/outlet. Flow rate - 50 gallons
per hour or .83 gpm. Media life at
least 12000 - 18,000 gallons OR More |
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Model EZDW-6a
6" column, with 20lbs of Thermax media
included ($239.00 Value)
Price -
$849.00
includes
shipping
Turnkey Model
- includes all the plumbing that goes on
the column including 1 Biodiesel compatible fuel filter, valves,
pressure gauge etc, similar to photo on the
right.
Also includes bypass assembly which allows
you to use your processors pump, in bypass
mode, to dry wash your fuel at the correct
flow rate. (shown in photo on the right,
click for larger view). All plumbing
will be shipped separately, pre assembled as
shown.
Total Price -
$985.00 includes
shipping
Lead Lag System-
(see illustration below)
Total Price for both tanks
in a lead lag configuration
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$1658.00 for both tanks,
includes shipping
Turnkey Lead Lag Model
Includes all the plumbing that goes on
the columns including 1 Biodiesel compatible fuel filter, valves,
pressure gauge etc, similar to photo on the
right.
Also includes bypass assembly which allows
you to use your processors pump, in bypass
mode, to dry wash your fuel at the correct
flow rate. (shown in photo on the right,
click for larger view). All plumbing
will be shipped separately, pre assembled as
shown.
Total Price -
$1,839.00 includes
shipping
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10" Drywash installed at the Chicago Museum of Science &
Industry. This was also filmed for the DIY Network TV Show
'Garage Mahal' to air on Apr, 23rd, 2010.
Click for larger view. |
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Model EZDW-10a
10" column, with 70lbs of Thermax media
included ($734.00 value)
Price -
$1,795.00
includes
shipping
Turnkey Model
- includes all the plumbing that goes on
the column including 1 Biodiesel compatible fuel filter, valves,
pressure gauge etc, similar to photo on the
right.
Also includes bypass assembly which allows
you to use your processors pump, in bypass
mode, to dry wash your fuel at the correct
flow rate. (shown in photo on the right,
click for larger view). All plumbing
will be shipped separately, pre assembled as
shown.
Total Price -
$1,945.00 includes
shipping
Lead Lag System -
(see illustration below)
Total Price for both tanks
in a lead lag configuration
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$3,549.00 for both tanks,
includes shipping
Turnkey Lead Lag Model
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Includes all the plumbing that goes on
the columns including 1 Biodiesel compatible fuel filter, valves,
pressure gauge etc, similar to photo on the
right.
Also includes bypass assembly which allows
you to use your processors pump, in bypass
mode, to dry wash your fuel at the correct
flow rate. (shown in photo on the right,
click for larger view). All plumbing
will be shipped separately, pre assembled as
shown.
Total Price -
$3,685.00
includes shipping
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Lead Lag Configuration |
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Model EZDW-12a
12" column, with 120lbs of Thermax media
included ($1,245.00 Value)
Price -
$2,695.00 plus shipping, billed separately
Lead Lag System-
(see illustration)
Add a second column for a
lead lag system for
only $2,645.00 plus additional shipping.
Total Price for both tanks
in a lead lag configuration
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$5,340.00 for both tanks,
plus shipping
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Additional Drywash items
*NEW*
Drywash Metering Pump -
9gpm adjustable rate diaphragm metering pump
- $430.00 including shipping
*NEW*
Soap Test Kit -
$64.95 includes shipping
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Inquire about larger
drywash models. We have larger
columns available including 16" &
21" columns that flow up to 300 GPH. |
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Drying tank conversion kit
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If you wish to dry wash your fuel by
pumping it from your existing drying tank,
or from any 55 gallon drums, etc, add this option. Will include a 330 gpm pump
like your processor pump, hoses, intake
tube, bypass assembly described above, etc.
Everything you need to plumb a dedicated
drying pump into your existing drying tanks.
This kit allows you to process more fuel
by freeing up your processor to run another
batch instead of dry washing from it.
You can often process as much as double the
amount of fuel.
Price $159.00
plus $24.00 shipping (ships separate from
column)
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5 Lbs Resin
------------------------------ $74.00
10 Lbs Resin
----------------------------- $134.00
20 Lbs Resin
----------------------------- $235.00
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50 Lbs Resin
----------------------------- $565.00
70 Lbs Resin
----------------------------- $765.00
100 Lbs Resin
---------------------------- $1095.00
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To contact us via email, please click
the link to the right -
EZBiodiesel Support
Phone: 888-521-6696 ext 1
All Content
and Images on this page are copyright Summit Enterprises LLC and may
not be used without the express written consent of Summit
Enterprises LLC.
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3 New
Dry Wash Systems 
