Tamisium High Performance Extractor 
Plant Chemical Oil Extractor
U.S. Patent No. 9,604,155 System
U.S. Patent No. 9,757,664 Method

Tamisium Closed Passive Chemical Oil Extractor or CPE PLRV Extractor solves the problems of closed loop extraction

*Tamisium is a latin word that means to Filter or Seive and was the chosen word used to name the extraction process you see today.

2 oz Capacity
Extract Recover / 15-30 minutes
Non Commercial

8 oz Capacity
Extract & Recover / 30-60 minute
i502 certified

2 pound Capacity
Extract Recover / 2-3 hours
i502 certified

8-10 pound Capacity
Extract Recover / 2-4 hours
i502 certified



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Tamisium High Performance Extractors, Botanical Extractor or Herbal Extractors solve the problems of closed loop extraction processes.




Until now the extraction industry has not been provided a repeatable standardized extraction process that can create and repeat a formula for targeting or avoiding specific chemical arrays in a plant extraction.
There was no formula AND there was not an extractor that offered the range of control a formula would require until this Silent Pump Free Passive PLRV system and process was created..

After years of extracting from an array of different plants I came to the conclusion that there were 7 controls that I felt were absolutely required.
I built the Tamisium System based on a need to control these 7 inputs.
If I ever wanted to target and avoid the greatest range of chemical compounds produced by any plant these controls were not only required but we would all have to be able to alter these controls to a wide degree. What made it seemingly impossible was that I learned I had to do this without pumps passively after losing my lab to a fire as a direct result of the failure of an explosion proof pump in 2005. It was a demanding task placed on the design and it took almost 5 years to develop.
It became obvious that any change in the form changed the method. So change the form and gain control or lose control.
There were over 100 design changes before we ended up with this simple looking apparatus you see today.
All this hard work makes it difficult to watch my design be changed back to what we know only leads to hazards and a loss of ability. I hope this outline of the patented system and method helps you ascertain when you are looking at a working system.

It has been said that all other systems extractions seem to revolve around the act of running the extractors and recovery process while a Tamisium extractor and process revolves around the act of extracting. This brings up the question. Are you just trying to move solvent and recover it or are you trying to alter and control an extraction method.

The first part of a the 7 control method that I learned was crucial and had to be in place before any other control would be allowed in the Tamisium Design and process was what I ended up calling PLRV or..

  1. Proper Load Ratio by Volume. Followed by QDTPTP.
  2. Quality of your material.
  3. Density of your plant column and Solvent.
  4. Time the solvent is in contact with the material.
  5. Polarity of the solvent or solvent combination that your target/s require.
  6. Temperature of the Solvent while in contact with the plant material
  7. Pressure required to move the solvent from tank to tank.

When it comes to pressure it has the least effect in the process unless it is required due to working with a sublimating solvent like CO2 or when working with a dipole moment solvent like CO2 which can be more of a hassle than a benefit. A solvent or molecule with a dipole moment means that solvents polarity changes with heat and pressure. Pressure pushes the molecules closer and as they get closer their polarity changes making them difficult and coslty to control.
It would be better to choose a solvent that is the same polarity when in liquid or gas phase so as to be stable, more repeatable and forgiving. After all, we are dissolving chemicals that match the polarity of the chosen solvent.
Solvent Choice is determined almost entirely by the polarity but also by the boiling point of the target chemical compound in the plant. We need to match the polarity and we need to have very different boiling points wherein the solvent has the lower boiling point because we boil the solvent away after it has served its purpose.
Ask what is the polarity and boiling point of the target.
The amount of solvent required is constant when the polarity time and temp that the target requires are met. When time or temp or polarity is limited the other two of those parameters must be increased but they must be increased to only the necessary degree to create the effect you want and in some cases where you want to avoid a target they may need to be decreased but again they must be only decreased or increased to create the effect you want. Why add more solvent or heat or time than necessary and you could say why add more cold than necessary. Why not decrease time and increase hourly production. Being able to fine tune the amount of input maximizes efficiency and allows a degree of control unheard of before. We have the abilit to tune in using 7 controls. When you find the formula that works best you save it.

We must be able to prepare any effective solvent in the amount required to extract in one pass without looping otherwise the other controls will not be available. A continous loop of solvent through plant material versus a single pass takes away the ability to limit contact time for example. This looping limits almost all the other controls as well. The amount of solvent volume required relative to the volume of plant matter is a ratio called a loading ratio.
Therefore PLRV is most important. Proper Load Ratio by Volume. Why Volume instead of weight?, because plants and solvent dont weigh the same.
A solvation process of extracting requires a specific volume of solvent relative to the volume of plant material you are extracting from.
Dont get this mixed up with how much solvent is required to dissolve all the target because it is not the same as how much is required to extract the target. We are dissolving and then we are moving it out. Moving it out takes a lot more than what is required to just dissolve it. The moving it out part is the Loading Ratio. The dissolving it part is relative to saturation level of the chemical in the primary or co solvent that accompanies the primary which is a lot less.
The range of solvents required may include one or more flammable and non flammable solvents. We can use any non-flammable solvent such as FDA approved pure Tetraflouroethane with a sanitary rated pump and we can use any pure flammable solvent without a pump such as DMSO, DE, DME, Alcohol, Acetone, Butane, Isobutane alone or in any combination. The only thing that changes about the system in regards to the solvent chosen is the pressure rating of the tank and the amount of heat required to recover the solvent.

Currently Butane is the most popular solvent for many reasons but most important is because it is non toxic, easily and completely removed and lends itself well to safe recovery without a pump using temp drop or distillation. It is the design of the tank that allows us to omit the pump when recovering flammable solvents while under pressure. A shorter height of liquid will evaporate faster when giving a greater surface area. That is true with a pump but especially true without one.
I may add that even though R134a or Tetraflouroethane is safe to be recovered with a recovery pump there is currently no FDA approved safe sanitary recovery pump available and therefore the pumps are not sanitary at this time.That does not mean it will contaminate your product but it dont mean it wont either.
With flammable solvents, pumps have never proven to be safe enough to use in an enclosed environment and believe me we tried for more years than anyone in the industry. The patent filing took place in 2009 after almost 10 years of research and we have witnessed pump and pump fail over and over again after that. Haskel pumps tried to do the same and they have already started failing in less than 2 years. The point is that when the fail they will be leaking large amounts of flammable solvent into the room. Even if your room is rated Class 1 Div 1 explosion proof do you want to be surrounded with flammable gas. You may not be able to sue the rated div 1 manufacturers of the components in the room if you drop a part and create a spark but does that protect you from you or only protect them from you. That is why i say a Div 2 room is safer than a Div 1 room because I am thinking about the operators. Not gas should be present in the room under normal operation.

Tamisium is the leader in the extractor industry. We created the first designs that flood the market today and now lead the way with the first patented Self Cleaning, Closed, Safe Passive, Automated, non-looping system because it operates on a Proper Load Ratio Volume and the tanks are optimized for recovery.
This system is more properly called CPE-PLRV. Closed Passive Extractor using a Proper Load Ratio relative to Volume NOT Weight.
A PLRV system and method together allows everyone to manipulate the greatest range of controls to the greatest degree to create an infinite range of repeatable extraction formulas and products.
In the future we all will have to target the whole plant array. We will have to use this system and method because we will have to map and record what was done.

Together the system and method allows Automating a Standardized Repeatable Formula that will produce the same product no matter what state you live in or brand you buy. A consumable product should be exactly the same and the only way to do that is to produce the exact same way every time using the same exact system and method. We provide a electronic recording of that process that is saved as a repeatable formula.
If there is going to be only one system and method it should be the one that gives the operator the greatest range of control while also reducing equipment and operating cost and providing repeatable results, higher yields, faster and safer than any system or process in the world.

 In reality this is not a new design. Tamisium Extractors created and patented this process in 2009. Many low cost low performance derivatives of Tamisium Extractors have flooded the current market. At first glance they may appear to be the same or boast of improvements when in reality they had no idea these changes made to this system would decrease the performance while increasing the hazards of using flammable solvents.
These new derivatives have been termed Close Loop Extractors.

U.S. Patent No. 9,604,155




Before you begin your journey in regards to learning about why one extractor is better than another or who Tamisium Extractors is, lets clarify the single most misunderstood term. "Closed Loop Extractor".


The current Closed Loop process was created by me, the owner of Tamisium, in 2004 long before anyone called it closed loop. This process was dropped as ever being safe and effective shortly after. Originally off the shelf parts were used to create the loop process for testing because clamp together parts were cheaper to assemble versus welding them and maching them from scratch. As the seals and system proved unsafe and uncontrollable it was decided that custom sealing methods and tank designs were required which led to the creation of the Tamisium Design and Process. Tamisium is a latin word that simply means to Filter or Seive and was the chosen word used to name the extraction process you see today because we are just placing the plant matter in a bath of carefully controlled solvent and then filtering the plant material away.
There are over 25 companies currently building our old prior art that we evolved away from.

Closed loop extractors is a term given to our old process or more appropriate design. This process was conceived originally due to the cost associated with prototype manufacturing. Cutting cost was done by using off the shelf parts. Cost was also reduced by building lower volume solvent tanks in relation to the column volume that holds the plant matter. This was before we understood how important it is to use the correct VOLUME of solvent. That means the tanks in the closed loop design do not hold enough solvent to perform a complete extraction in one pass. This was a crucial piece of information. When looping, by definition of the term, the solvent must be recovered and looped back through repeatedly until a sufficient amount has been used to complete the extraction. How many times one loops the solvent depends on the degree of defiency in the loading ratio of solvent to plant volume. A random inconsistent tank to tank volume is indicative that the closed loop designer does not understand the concept of extracting but instead is more focused on cost and the use of a pump to take the place of knowledge in design.

Sight glasses were later added to the output of the plant column to help determine a completion point because when looping you dont know how much solvent has been recovered and looped through. A sight glass shows a color change in your output which is how you can determine when an extraction is over if you dont know how much solvent is required to complete the process. How much solvent is a known constant and if you dont know that you cannot teach it to your customer and you cannot design an extractor that will perform correctly or even perform safely.

During the multiple recoveries required for looping the Closed Loop extractors add contact time that allows the solvent enough time to dissolve unwanted lipids and dark compounds from the plant. Oils are disolved easier and therefore first, then waxes and as the plant matter fills with solvent other dark compounds are washed free and carried out. If heat is added the time required to extract these unwanted components is less. The added time forces the user to add extreme cold temperatures to restrict the solvents efficiency in an attempt to counter the effects of the added time. In comes the Dry Ice Column and all the hassle and trouble that comes with it.

This can all be avoided by simply building a correctly volumized system that holds enough solvent to avoid looping. That loading ratio is a critical factor in the Tamisium Design and Process. Single PASS Passive systems extract faster than closed loop processes and allow you to add differing polarity solvents and allow adding time, heat and cold when needed. In other words you can achieve your goals many different ways as you attempt to add these controls back in to maximize your yields with the safest, fastest, most economical way possible.

We use increase or decrease heat to alter the effectiveness of the that solvent to dissolve those targets or avoid them Then we separate the liquid from the solid plant matter by filtering the plant matter away. After the solvent carries out what it dissolved from the plant matter those chemical compounds are placed in a mobile bath of liquid where they can be further moved around and cleaned washed and isolated to ultra high purities if desired.

The correct design has not changed in many years but what it can do changes every day. Please join the thousands of Tamisium users before you and take advantage of all our hard work as I share with you my design and knowledge. Every system comes with lifetime support and you will get that support from me.



When a solvent is used while in liquid phase it means the maximum amount of molecules occupy every cubic centimeter. Liquid solvent is at Maximum Density. Liquids cannot be compressed like a gas. While in LIQUID phase maximum density means you have more molecules present in every cubic centimeter of space occupied. This is important because molecues form bonds with chemical compounds and carry them away from the plant matter.


An analogy would be a warehouse with workers spread out over a lot of real estate. To compress all those workers in a smaller space means you can do the same job with a lot less real estate. This means heating, cooling, speed all become less costly and easier to control.

In addition molecules can change polarity as they move further apart from the liquid phase where they are all touching. This means the pressure must be carefull monitored making extracting with gases very complex and labor intensive as well as inconsistent unless carefully monitored. Since pressure heat and density are relative you really have to be on your toes with your processing. Gases are a very unforgiving complex process and serve no benefit at all when compared to the forgiving nature of extracting in liquid phase. CO2 strives to mimic a liquid phase as an example of the accurace of this statement.

When a solvent does not have a liquid phase it is called a sublimating solvent. CO2 is sublimating because when dry ice melts it skips liquid phase and goes right into a gas. It requires high pressure to compress the vapor or gas into a smaller area so that it can mimic a liquid. As the molecules come closer together their polarity changes. I think the distance to create this effect is .4 mm. This is very costly and is one of the many reasons we omitted CO2 as an option when choosing a solvent to build an extractor to work with. Overly complex whle producing lower yields and still required flammable solvents to even get even a decent yield. It was to cost prohibitive.


Although butane is considered to be the holy grail of solvents it is not the only solvent one may need. Other polar solvents may be required to extract other things that non polar solvents alone may not be able to dissolve. Butane is very selective and will extract non polar components from a plant very well. This selectivity is important so that you can target by avoiding the other things but if you need to add other targets you can but you will need to add a co solvent. I use the analogy of a stereo volume control. I would rather have a volume that turns it all the way down versus always starting at 4.

CO2 is not very selective which is a bad thing because you cant target as well. It can be adjusted to extract a lot of differnt things but you have to choose and even then it does not extract a lot of any one thing. You end up with a lesser degree of one thing and a greater degree of more than one thing and with non polar targets you may only get 50% of them out. If you want to fine tune CO2 for non polar things that Butane does well all by itelf you will have to add a non polar solvent like butane or hexane or propane but even then the yield will be much lower than a selective solvent like Butane. With Butane you can target or change the target. There are also other solvents that work as well as Butane but they have other hinderances like dangerous fumes that can knock you out and most are still flammable and some cannot be recovered without a recovery pump unlike Butane which can be recovered by just dropping the temperature.

In addition to changing polarity by adding solvents a Tamisium allows you to change the solvent completely. You can extract with any solvent that has a boiling point or pressure that the tanks are rated for. Ethanol, Diethl Ether, Tetraflouroethane (R134a), Acetone and so on. Or you can combine those to target everything and all those other solvents are all liquid phase solvents. We just consider butane to be the safest choice because it can be recovered without a pump and is so selective while still being miscible with other solvents that we can use to expands the target range. It is like having a stereo with a volume control that goes from 1 to 10 versus 4 to 10.

When choosing a pressure rating we did not see any need to increase the expense of the system by building high pressure tanks. Higher pressure solvents have lower boiling points and therefore lower condensing points which put them out of reach for safe or sanitary recovery because they require a recovery pump. For example, propane is not as selective and has a boiling point of -55F. Not so practical a temp to achieve for condensing so it would be more practical to use a recovery pump with propane versus trying to get the tank to the cold temps required to condense it back into a liquid. Adding a recovery pump would make it unsafe and those solvents provided no effective gain in performance, speed, range or ability. The only difference was a negative one.

Not everything in the plant that is useful is non polar and dissolved by a single non polar solvent. Only this system gives the ability to extract at low pressure with a cold or hot process, slow or fast for any length of contact time with more than one solvent simultaneously or alone and safely recover the solvent after you use it. This low pressure and low temp pump free process protects the delicate integrity of fragile molecules that we find in aromatics and flavorings or terpenes. The recovered solvent can be used over again indefinitely due to the gentle nature of distilling at low temperatures and pressures verus the high friction heat and pressure created by a pump.



By using distillation instead of pumps during solvent recovery we separate the extraction process from the recovery process and keep it all safe and silent while simplying the process and reducing labor and cost. Making a super fast process that evaporates more quickly does not disallow the pumps from being used but it makes them uneccessary. In reality adding a pump to speed up a fast process will just make it faster. So if one is every created that will not leak of fail we can still use it but the process will work fine without it.


A loop system or pump based system can recover fast because they use less solvent and have less to recover but the truth is a little more complicated. The fact is that you have no choice in the matter in how much solvent is required. You have to fill the column and hydrate it with liquid solvent to begin dissolving the compounds that will be washed out by the second volume. That first initial soak is stuck in the plant column and requires more to wash it out.



You cannot decrease the amount required to do that.

Then you have to wash the second volume out with a third volume because the first and second sort of mixed together.
A portion of the thrid volume will stay behind due to absorption or cappilary action surface tension of the plant matter and liquid solvent.
Just like making coffee or tea. You have to use an adequate amount of solvent to extract from the coffee beans. You add more beans and you have to add more solvent. I may add that grinding the beans helps a lot and using hot water helps even more especially when adding sugar.

We offer a volume capacity that allows you to use a 4:1 loading ratio so that you can remove some of the butane solvent and add a co solvent and you can get the same high yields when extracting cold. This added space also ensures you do not over fill your tank and that you still have a adequate amount of butane to complete your extraction.



Most do not understand solvent density or hydraulic fluid expansion, thermal expansion and how this effects safety in tank design.


When a fluid is pressed it produces hydraulic pressure which basically means it does not compress and therefore exerts an immediate equal force to the force being applied and to the tank that holds the liquid.

When in gas phase it does compress until all those gaseous molecules are compresssed into a smaller space until they reach a liquid hydraulic state if possible with that particular solvent. Hence the reason CO2 has to use pressure to be effective. Changing the temp of a liquid can produce astronomical pressure forces that are equal to a artificial force created from a hydraulic jack for example. Not understanding how to allow for expansion of heated liquids can be very dangerous. That is more on the subject of tank design.  


The control parameters we control during extraction allows the most control of any extraction system. They are outlined below.

We call this The 6 parameters or QDTPTP process and the PLRV or Proper Loading Ratio allows these other controls.

  • Q-uality
  • D-ensity
  • T-ime
  • P-ressure
  • T-emperature
  • P-olarity.

It is through the manipulation and mapping of these adjustments that you will be able to duplicate any extraction process and repeat what you have done to produce the same consistent product every time.

All done without requiring additional expensive complicated dangerous equipment. When you are done extracting, the apparatus will recover the solvent for reuse and it will clean and separate from your product and any other solvents used with butane, during the recovery process. We even supply a proprietary product and process to remove other solvents used during the extraction process.



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