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t u r b l e x. a e r a t i o n s y s t e m. c o n t r o l. e c o n o m i c s. t h e o r i e s. s o l u t i o n s. economics.
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t u r b l e x a e r a t i o n s y s t e m c o n t r o l e c o n o m i c s t h e o r i e s s o l u t i o n s
economics Electricity Requirements for Activated Sludge Wastewater Treatment
Power is Money 25% Savings $43,750/yr economics $3500 / mgd / (cents/kW) / yr $3500 x 10 mgd x 5 (cents/kW) = $175,000/yr
p 1 v1 t1 theories p 2 v2 t2
p 1 v1 t1 Peak 8360 ACFM476 HP Potential Savings 254,040 HP / YR $13,270/yr @ $0.07/kW $265,414 / 20 YR Min 7840 ACFM447 HP t e m p e r a t u r e theories p 2 v2 t2
Peak 456 HP p 1 v1 t1 Potential Savings 375,000 HP / YR $18,590 / YR @ $0.07/kW $371,800 / 20 yrs Min 382 HP v o l u m e theories p 2 v2 t2
Peak 9.4 psi456 HP Potential Savings 162,000 HP hrs / YR $8,462 / yr @ 0.07/kW $ 169,254 / 20 YR Min 8.6 psi419 HP p r e s s u r e p 1 v1 t1 theories p 2 v2 t2
90 80 15% 30% 70 i s e n t r o p i c e f f i c i e n c y - % 60 t u r n d o w n l i m i t 50 w w t p 100 90 80 70 60 50 40 % c a p a c i t y b l o w e r d e s i g n Control: Guide Vanes solutions s i n g l e – s t a g e Control: Inlet Valve VFD m u l t i – s t a g e Control: VFD p o s i t i v e d i s p t e m p e r a t u r e
b l o w e r c o n t r o l b i o l o g y c o n t r o l sp 2 ppm sp 5000 cfm 4000 cfm cv pv 1.85 ppm cv Valve position pv pv 9.1 psig cv 9.2 psig Vane Position sp v o l u m e p r e s s u r e PID PID MOV Relational Control solutions PID
solutions m a n u a l a e r a t i o n c o n t r o l
solutions m i x e d m o d e a e r a t i o n c o n t r o l
solutions s e m i – a u t o m a t i c a e r a t i o n c o n t r o l
solutions f u l l y a u t o m a t i c a e r a t i o n c o n t r o l
o p e r a t i o n a l s t r a t e g y solutions p r e d i c t a b l e & c o n s i s t e n t t a n g i b l e b e n e f i t s f l e x i b i l i t y f a u l t t o l e r a n t
t u r b l e x a e r a t i o n s y s t e m c o n t r o l