What is a transmembrane pressure?
Transmembrane pressure is the amount of force necessary to push water through a membrane. Each membrane has an ideal TMP based on its material composition. Given that crossflow filtration involves the recirculation of the feed, however, this process is subject to both concentration polarization and membrane fouling.
What is transmembrane pressure in ultrafiltration?
Transmembrane pressure, usually abbreviated TMP, has a precise ADQI definition: Transmembrane pressure is the hydrostatic pressure gradient across the membrane. This is the driving force that causes ultrafiltration.
What is transmembrane flow?
Transmembrane pressure is a measure of pressure difference between two sides of the membrane. During the process, the transmembrane pressure might decrease due to an increase of permeate viscosity, therefore filtration efficiency decreases and can be time-consuming for large-scale processes.
What is the transmembrane pressure TMP for reverse osmosis?
Transmembrane pressure (TMP or ΔP) is defined as the difference in pressure between the feed side and the permeate side of the membrane. This pressure is usually measured in bar or psi, and is the driving force for membrane separation and permeate production.
What is transmembrane pressure in hemodialysis?
The major driving force that determines the rate of ultrafiltration or convective flow is the difference in hydrostatic pressure between the blood compartment and the dialysate compartments across the dialysis membrane; this is called the transmembrane pressure (TMP).
What is transmembrane pressure in TFF?
Process Variables in Tangential Flow Filtration The transmembrane pressure is the force that drives fluid through the membrane, carrying along the permeable molecules. 2. The crossflow velocity is the rate of the solution flow through the feed channel and across the membrane.
What is TMP in water?
The pressure that is needed to press water through a membrane is called Trans Membrane Pressure (TMP). The TMP is defined as the pressure gradient of the membrane, or the average feed pressure minus the permeate pressure.
How do you calculate transmembrane pressure?
Using your calculator, add the values for the feed pressure and the retentate pressure. Divide the sum by two and subtract the permeate pressure. The result is the transmembrane pressure.
What is TMP and its importance?
Temporary files, also referred to as TMP files, are automatically created and deleted from a computer. They store data temporarily which means they need less memory and thus improve the performance of a computer.
What is TMP formula?
TMP = ((Pfeed + Pretentate) / 2 – Ppermeate) as the module average transmembrane pressure.
What is TMP in chemistry?
2,2,6,6-Tetramethylpiperidine, abbreviated TMP, HTMP, or TMPH, is an organic compound of the amine class. In appearance, it is a colorless liquid and has a “fishy”, amine-like odor. This amine is used in chemistry as a hindered base (hindered amine).
What is the full form of TMP in biology?
Thymidine monophosphate, a nucleotide.
What is trimethylolpropane used for?
TMP is used in saturated polyesters for coil coatings, alkyds for paints, polyurethanes for coatings and elastomers, acrylic acid esters for radiation curing, esters for synthetic lubricants, rosin esters and for surface treatment of pigments.
What does TMP mean in lab?
Abbreviation for ribothymidylic acid; trimethoprim; sometimes for deoxyribothymidylic acid.
What is the structure of TMP?
Thymidine 5′-monophosphate
| PubChem CID | 16755631 |
|---|---|
| Structure | Find Similar Structures |
| Molecular Formula | C10H13N2O8P-2 |
| Synonyms | Thymidine 5′-monophosphate deoxythymidylate [(2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl phosphate TMP dianion thymidine-phosphate More… |
| Molecular Weight | 320.19 |
What does TMP stand for in chemistry?
Trimethylolpropane (TMP) is the organic compound with the formula CH3CH2C(CH2OH)3. This colourless to white solid with a faint odor is a triol. Containing three hydroxy functional groups, TMP is a widely used building block in the polymer industry. Trimethylolpropane. Names.
What does TMP stand for medical?
Acronyms and effacement: traditional medical practitioners (TMP) in international health development.
What is TMP in biology?
Thymidine monophosphate (TMP), also known as thymidylic acid (conjugate base thymidylate), deoxythymidine monophosphate (dTMP), or deoxythymidylic acid (conjugate base deoxythymidylate), is a nucleotide that is used as a monomer in DNA. It is an ester of phosphoric acid with the nucleoside thymidine.
What is transmembrane pressure and why is it important?
Transmembrane pressure is defined as the difference in pressure between two sides of a membrane. It is a valuable measurement because it describes how much force is needed to push water (or any liquid to be filtered — referred to as the “feed”) through a membrane.
What is meant by transmembrane?
/trans·mem·brane/ (trans-mem´brān) extending across a membrane, usually referring to a protein subunit that is exposed on both sides of a cell membrane.
What does low transmembrane pressure indicate?
It is a valuable measurement because it describes how much force is needed to push water (or any liquid to be filtered — referred to as the “feed”) through a membrane. A low transmembrane pressure indicates a clean, well-functioning membrane.
How do you use a transmembrane pressure transducer?
The ideal transmembrane pressure varies for different membranes and is usually available from the company that produced or distributed your particular membrane. Place the sensing end of your pressure transducer into the feed (the solution that is being filtered) on the outside of the membrane.