APPLYING INTERNAL CIRCULATION ANAEROBIC REACTOR FOR WASTEWATER TREATMENT: A CASE STUDY IN SAIGON PAPER MILL WASTEWATER TREATMENT PLANT
y | 18 oct 2019
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Article Category: research-article
Publicado en línea: 18 oct 2019
Páginas: 145 - 151
Recibido: 14 jun 2019
Aceptado: 08 jul 2019
DOI: https://doi.org/10.21307/acee-2019-045
Palabras clave
© 2019 Nhat-Ha TRAN et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure 1.
![Internal circulation reactor[12]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706f7083f1392090d6979d/j_acee-2019-045_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240722T193035Z&X-Amz-SignedHeaders=host&X-Amz-Expires=18000&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240722%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=5ae1c6d2f7b95402c62410087f6fc67f318a66055389e66a303ecc00b63cf4b2)
Figure 2.
![VFA and COD removal rate correlation[14]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706f7083f1392090d6979d/j_acee-2019-045_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240722T193035Z&X-Amz-SignedHeaders=host&X-Amz-Expires=17999&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240722%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=f57728986353057cf012ad052752412c55faa97057f0871b199c873a552c658d)
Figure 3.
Figure 4.
Figure 5.
BIOPAQ@ICX performance of Allard Emballages, France and Hamburger, Hungary compared to UASB average performance[15]
| Treatment specification of BIOPAQ@ICX | UASB average performance | |||
|---|---|---|---|---|
|
|
France | Hungary | Country | UK |
|
|
6000–7000 | 7000 | COD load (kgCOD/m3.day) | 0.8–5.68 |
|
|
70–80 | 400–500 | Flow rate (m3/h) | 46–326 |
|
|
2400–3000 | 15000 – 25000 | Biogas produce (Nm3/day) | 439–5992 |
|
|
70 | - | Biogas quality (% CH4) | 43.7–69.1 |
|
|
80–90 | 74–90 | Removal rate (%) | 70–80 |
Saigon Paper mill IC reactor operating design
| IC volume (m3) | Diameter (m) | Height (m) | HRT (h) | v (m/h) | VLR (kgCOD/m3.d) | Sludge volume (m3) |
| 1395 | 9.5 | 20 | 4 | 45 m/h | 6–14 | 650–750 |
Saigon Paper mill IC reactor influent and effluent tests result
| Parameters | Unit | Value |
|
|
| Influent | Effluent | |||
| pH | - | 5.9–6.5 | 6.9–7.1 | 5.5–9 |
| TSS | mg/l | 250–400 | 200–450 | 100 |
| COD | mg/l | 1500–2500 | 300–600 | 150 |
| Alkalinity | mg/l | 250–400 | 851–1000 | - |
| VFA | mg/l | 420–630 | 85–110 | - |
| N-NH4 | mg/l | 20–30 | 20–30 | - |
| P-PO4 | mg/l | 4–6 | 7–9 | - |
| Ca2+ | mg/l | 300–350 | - | - |
| SO4 2- | mg/l | 50–100 | 1–5 | - |
IC reactor treatment plants [8; 14]
| Wastewater | Company | COD(mg/l) | COD load (kgCOD/m3.d) | Removal rate (%) |
|---|---|---|---|---|
|
|
Harbin brewing (Shenyang) Co.,Ltd | 2000–2800 | - | 80 |
|
|
in Zhengzhou | 10865 | 21.9 | 84 |
|
|
Fujian Nanping Paper | - | 12-15 | 65 |
| YueYang Paper Co.,Ltd and Gaungxi Bossco Environment protection Technology Co.,Ltd | - | 20-26 | > 75 |
Saigon Paper mill IC reactor Imhoff test results
| P1 (mL/L) | P2 (mL/L) | P3 (mL/L) | P4(mL/L) | P5(mL/L) |
|---|---|---|---|---|
|
|
800 | 750 | 0.8 | 0.2 |
|
|
770 | 840 | 1.2 | 0.2 |
|
|
850 | 810 | 0.5 | 0.5 |
|
|
850 | 880 | 0.2 | 0.1 |
|
|
870 | 890 | 0.3 | 0.4 |
|
|
920 | 950 | 0.2 | 0.5 |