<content> <p>Basic Scheme</p> </content>

11475f63-a5ed-42fa-bd0f-6c3d3cb4a686 51 3 5 false false false 0 3 decimal

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Calculating HCl Recycle Flow

deNest("matrix") - Expand the nested matrix A.This makes the composition of matrices by sub-matrices more readable. A deNest i.Row 1 A rows range A.newRow Clear i.Col 1 A cols range A.newRow IsDefined A.newRow A.newRow A i.Row i.Col el augment : A.newRow A i.Row i.Col el : if for A.new IsDefined A.new A.new A.newRow stack : A.new A.newRow : if 31 line for A.new 21 line :

Furnace.Cl2.load 550800600 range m 3^hr / * : m 3^hr / 55060065070075080061 mat

ρ.Cl2 3.15 kg m 3^/ * :

ρ.H2O 1 tonne m 3^/ * :

HCl.gas.prod 36.5 35.5 / ρ.Cl2 * Furnace.Cl2.load * : tonne hr / 1.7813 1.9432 2.1052 2.2671 2.429 2.591 61 mat

HCl.aq③ HCl.gas.prod 0.31 / : tonne hr / 5.7461 6.2685 6.7909 7.3133 7.8356 8.358 61 mat

from DCS observations in comparison with Water.ideal① Leakage.⑥ 1.6 tonne hr / * :

Water.ideal① n 1 HCl.gas.prod length range a n el HCl.gas.prod n el HCl.gas.prod n el x tonne hr / * + / 0.31 ≡ x solve : for a tonne hr / * 21 line : tonne hr / 3.9648 4.3253 4.6857 5.0462 5.4066 5.767 61 mat

w.t% diluted acid maintained in tank because of scrubber & recycle ④. This enters tail-gas absorber DiluteAcid.real① 0 0.14 0.02 range : % 0246810121481 mat

<content> <p>Basic Scheme</p> </content>

Total.H2O.Entering Leakage.⑥ x tonne hr / * 1 DiluteAcid.real① 6 el - (* + : tonne hr / 169 x * + 10 /

Total.HCl.gas.Entering HCl.gas.prod 6 el x tonne hr / * DiluteAcid.real① 6 el (* + : tonne hr / 9198355 x * + 3550 /

Total.HCl.gas.Entering Total.HCl.gas.Entering Total.H2O.Entering + / 0.31 ≡ x solve tonne hr / * tonne hr / 6.1513

Water.real① a 00 matrix : m 1 DiluteAcid.real① length range ΣH2O.feed m el Leakage.⑥ x tonne hr / * 1 DiluteAcid.real① m el - (* + : n 1 HCl.gas.prod length range ΣHCl.feed n el HCl.gas.prod n el x tonne hr / * DiluteAcid.real① m el * + : a m n el ΣHCl.feed n el ΣHCl.feed n el ΣH2O.feed m el + / 0.31 ≡ x solve : 21 line for 21 line for a tonne hr / * 31 line :

Table horizontal Diluted Feed% ↓ | Cl2 Load m³/h → DiluteAcid.real① 100 * stack : vertical Furnace.Cl2.load transpose 36001 / * s m 3^/ * Water.real① 36001000 / * s kg / * stack : horizontal vertical augment 31 line :

Table Diluted Feed% ↓ | Cl2 Load m³/h → 5506006507007508000 2.3648 2.7253 3.0857 3.4462 3.8066 4.167 2 2.5279 2.9132 3.2985 3.6838 4.0691 4.4544 4 2.7152 3.129 3.5429 3.9567 4.3705 4.7844 6 2.9324 3.3793 3.8263 4.2732 4.7202 5.1671 8 3.1874 3.6732 4.159 4.6448 5.1306 5.6164 10 3.4909 4.023 4.5551 5.0872 5.6193 6.1513 12 3.8584 4.4465 5.0346 5.6227 6.2108 6.7988 14 4.3123 4.9696 5.6269 6.2842 6.9414 7.5987 97 mat

Plotting curves for various furnace Cl2 loading n 1 Water.real① cols range y n el Water.real① 36001000 / * s kg / * n col : plot n el DiluteAcid.real① 100 * y n el augment : label n el 14 y n el 8 el Furnace.Cl2.load n el 3600 * s m 3^/ * var2str 8 augment : 31 line for 11 line

Furnace.Cl2.load 3600 1 / * s m 3 ^ / * Water.ideal① 3600 1000 / * s kg / * augment 1 1 sys plot label deNest 2 1 sys