Plug Flow Reaktor (PFR)
Plug flow reaktor (PFR) merupakan reaktor di mana reaksi kimia berlangsung secara kontinu sepanjang sistem aliran. Reaktor alir pipa sering juga disebut sebagai reaktor alir sumbat atau Continuous Tubular Reaktors (CTRs). Reaktor alir pipa ini digunakan untuk memperkirakan sifat-sifat reaktor kimia sehingga variable kunci reaktor seperti dimensi reaktor bisa dihitung.
Reaktor ini memiliki karakteristik dalam mekanisme reaksi. Pada umumnya karakteristik reaktor alir pipa pada kondisi ideal yaitu:
1. Reaktor ini biasanya berupa tube (tabung) yang bereaksi dengan aliran fluida
2. Diasumsikan tidak terjadi pengadukan (mixing)
3. Aliran plug merupakan jenis aliran yang terjadi pada reaktor ini (reaktor alir)
4. Sebagian besar mixing dari jenis reaktor ini beroperasi pada level intermediet
5. Pencampuran sempurna dalam dimensi radial (konsentrasi seragam)
6. Tidak ada pencampuran (mixing) pada aliran aksial atau tidak terjadi dispersi aksial (aliran terpisah)
Dengan persamaan :
Rin = Rout+ Rgeneration + Raccumulation
RoI = RoO + RoCrex + RoAcc
RoI = RoO + RoCrex + RoAcc
FA = (FA + dFA) + (-rAdV) + 0
-dFA = (-rAdV)
-d(FAo(1-xA)) = (-rAdV)
The plug flow reactor (PFR) is a reactor in which the chemical reactions take place continuously throughout the flow system. Flow reactor pipe is often also referred to as a plug flow reactor or Continuous Tubular Reaktors (CTRs). Pipe flow reactor is used to estimate the properties of the chemical reactor so that the reactor key variables such as the dimensions of the reactor can be calculated.
This reactor has the characteristics of the reaction mechanism. In general, the characteristics of pipe flow reactor under ideal conditions, namely:
1. The reactor is usually a tube (tube) that reacts with the fluid flow
2. It is assumed not happen stirring (mixing)
3. The plug flow is a type of flow that occurs in the reactor (flow reactor)
4. Most of the mixing of the type of reactor is operating at intermediate level
5. Mixing perfect in radial dimension (uniform concentration)
6. There is no mixing (mixing) in axial flow or does not happen axial dispersion (separated flow)
Equation :
Rin = Rout+ Rgeneration + Raccumulation
RoI = RoO + RoCrex + RoAcc
RoI = RoO + RoCrex + RoAcc
FA = (FA + dFA) + (-rAdV) + 0
-dFA = (-rAdV)
-d(FAo(1-xA)) = (-rAdV)
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