Patent ID: 11905192
Assignee: NANJING UNIVERSITY
Field: Environmental technology (Chemistry)
Classification: CPC C  Y | IPC C

Claim 4:
5. The method of claim 1, wherein models 1 and 2 comprise 8 process rate expressions respectively, which are V1-V8 and V1′-V8′:
(1) anoxic growths (V1 and V1′) of heterotrophic bacteria based on dissolved biodegradable organic matters (Ss) are:

V1=μH·XH(t)·MH,Ss(t)·MH,NH(t)·MH,NO3(t)·MH,O(t);

V1′=V1;

(2) anoxic growths (V2 and V2′) of heterotrophic bacteria based on dissolved biodegradable organic matters are:

V2=μH·η2·XH(t)·MH,Ss(t)·MH,NH(t)·MH,NO2(t)·MH,O(t);

V2′=α·μH·η2·XH(t)·MH,Ss(t)·MH,NH(t)·MH,NO2(t)·MH,O(t);

(3) anoxic growths (V3 and V3′) of heterotrophic bacteria based on dissolved biodegradable organic matters are:

V3=μH·η3·XH(t)·MH,Ss(t)·MH,NH(t)·MH,NO(t)·MH,O(t);

V3′=V3;

(4) anoxic growths (V4 and V4′) of heterotrophic bacteria based on dissolved biodegradable organic matters are:

V4=μH·η4·XH(t)·MH,I,Ss(t)·MH,NH(t)·MH,N2O(t)·MH,O(t);

V4′=α·μH·η4·XH(t)·MH,Ss(t)·MH,NH(t)·MH,N2O(t)·MH,O(t);

(5) decays (V5 and V5′) of heterotrophic bacteria are:

V5=bH·MH,NO3(t)·XH(t);

V5′=V5;

(6) ammonification (V6 and V6′) of microbial dissolved organic nitrogen

V6=κα·XH(t)·MH,mDON(t);

V6′=V6;

(7) assimilative reduction (V7 and V7′) of nitrate into nitrite is:

V7=1.2·iXB·MANRA,NO3(t)·MI,NH(t)·MI7,NO2(t)(V1+V2+V3+V4−V6);

V7′=V7;

(8) assimilative reduction (V8 and V8′) of nitrite into ammonia nitrogen

V8=1.2·iXB·MANRA,NO2(t)·MI,NH(t)(V1+V2+V3+V4−V6);

V8′=V8;

where MH,Ss(t) is a Monod item of the substrate limit using the dissolved biodegradable organic matters of heterotrophic bacteria; HM,I,Ss(t) is an inhibition Monod item of the dissolved biodegradable organic matters of heterotrophic bacteria; MH,NH(t) is a Monod item of the substrate limit using ammonia nitrogen; MH,O(t) is a Monod item of the oxygen limit of heterotrophic bacteria; MH,NO3(t) is a Monod item of the nitrate nitrogen limit; MH,NO2(t) is a Monod item of the nitrite nitrogen limit; MH,NO(t) is a Monod item of the nitric oxide limit; MH,N2O(t) is a Monod item of the nitrous oxide limit; MANRA,NO3(t) is a Monod item of the nitrate nitrogen limit during the assimilative reduction of nitrate into nitrite nitrogen; MI,NH(t) is an inhibition Monod item of ammonia nitrogen during the assimilative reduction of nitrate into nitrite nitrogen; M17,NO2(t) is an inhibition Monod item of nitrite during the assimilative reduction of nitrate into nitrite nitrogen; MANRA,NO2(t) is a Monod item of the nitrite limit during the assimilative reduction of nitrite nitrogen into ammonia nitrogen; and, MH,mDON(t) is a Monod item of the mDON limit produced by heterotrophic bacteria.