AI SearchApplication of the BIOSTYR process in domestic wastewater treatment (Record no. 6870)
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| fixed length control field | 03711cas|a2200433 i 4500 |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260817162952.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 230399s1993 th uzm rtt 00| a1eng d |
| 035 ## - SYSTEM CONTROL NUMBER | |
| System control number | .b10089135 |
| 099 #9 - LOCAL FREE-TEXT CALL NUMBER (OCLC) | |
| Classification number | AIT Thesis no.EV-93-31 |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Tran Thi Hong Nhien |
| 245 10 - TITLE STATEMENT | |
| Title | Application of the BIOSTYR process in domestic wastewater treatment |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. | |
| Place of publication, distribution, etc. | Bangkok : |
| Name of publisher, distributor, etc. | Asian Institute of Technology, |
| Date of publication, distribution, etc. | 1993 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 107 leaves + |
| Accompanying material | 1 online resource |
| 490 1# - SERIES STATEMENT | |
| Series statement | Thesis ; |
| Volume/sequential designation | no. EV-93-31 |
| 500 ## - GENERAL NOTE | |
| General note | A thesis submitted in partial fulfillment of the requirement for the degree of Master of Engineering |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Thesis (M.Eng.) - Asian Institute of Technology, 1993 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | A biological aerated filter combines bacterial degradation of pollutant by fixed biomass with physical filtration in a single reactor. An organic removal process has been operated on an experimental basis at a pilot plant over five months at the AIT - Environmental Engineering Division Laboratory. The wastewater feed was modified AIT domestic wastewater. The process consists of a granular media bed, particularly of polystyrene (thus, named biostyr process) with a specific gravity of approximately 0.06. The cylindial reactor was 4 m high and 0.2 m diameter. Headloss measurement was studied as a function of wastewater temperature, velocity and time. Experiments were conducted at 30°C, 38°C, 45°C and 55°C with velocities of 2 m/h, 4 m/h, 6 m/h and 8 m/h respectively. At 38°C, filtration time range was 5.5-10 hours and over 84% of the soluble COD was removed at all velocities investigated. At 30°C, 75.8- 89.4% COD removal was noticed, 89.4% COD removal with the exception of 6 m/h velocity and 8.5 hour filtration time. At 45 °C, 77.1-87.9% of soluble COD was removed, in which 87.9% COD removal could be obtained at 2 m/h velocity with a filtration time of 40 hours. A decreasing gradient of biomass from bottom to top of the reactor was observed. 2- 5.8% of purified water was consumed for backwashing operation. The optimal suspended solids removal occurred at 30°C with 6 m/h velocity. At lower temperature, maximum suspended solid removal could be obtained. The results indicated that effluent SS could be less than 30 mg/L, that is secondary treatment effluent standard in Thailand. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Sewage |
| General subdivision | Purification |
| -- | Biological treatment |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Visvanathan, C., |
| Relator term | Chairperson |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Chongrak Polprasert, |
| Relator term | Examination Committee |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Fujii, Shigeo, |
| Relator term | Examination committee |
| 710 2# - ADDED ENTRY--CORPORATE NAME | |
| Corporate name or jurisdiction name as entry element | Swedish International Development Agency (SIDA), |
| Relator term | Scholarship donor |
| 810 2# - SERIES ADDED ENTRY--CORPORATE NAME | |
| Corporate name or jurisdiction name as entry element | Asian Institute of Technology. |
| Title of a work | Thesis ; |
| Volume/sequential designation | no. EV-93-31 |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Materials specified | Full-Text |
| Uniform Resource Identifier | <a href="http://203.159.5.9/ait-thesis/detail.php?q=B16681">http://203.159.5.9/ait-thesis/detail.php?q=B16681</a> |
| 907 ## - LOCAL DATA ELEMENT G, LDG (RLIN) | |
| a | .b10089135 |
| b | mnait |
| c | x |
| 902 ## - LOCAL DATA ELEMENT B, LDB (RLIN) | |
| a | 250327 |
| 998 ## - LOCAL CONTROL INFORMATION (RLIN) | |
| Operator's initials, OID (RLIN) | 2 |
| Cataloger's initials, CIN (RLIN) | 951012 |
| First date, FD (RLIN) | m |
| -- | a |
| -- | x |
| -- | 0 |
| 945 ## - LOCAL PROCESSING INFORMATION (OCLC) | |
| l | mnait |
| 945 ## - LOCAL PROCESSING INFORMATION (OCLC) | |
| l | mnait |
| 945 ## - LOCAL PROCESSING INFORMATION (OCLC) | |
| l | mnarc |
| 945 ## - LOCAL PROCESSING INFORMATION (OCLC) | |
| l | mnarc |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | 20-AIT Publication |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | 40-Archives |
| 909 ## - LOCAL ITEMS USED | |
| Barcode | Barcode : 30050002588209 |
| CREATED | CREATED : 1994-05-16 |
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| CREATED | CREATED : 1994-05-16 |
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| CREATED | CREATED : 2016-11-05 |
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| Barcode | Barcode : 30050120933618 |
| CREATED | CREATED : 2019-11-28 |
| RECORD Id | RECORD # : i13234353 |
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| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Cost, normal purchase price | Total checkouts | Full call number | Barcode | Date last seen | Copy number | Price effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | AIT Publications | 17/08/2026 | 10.00 | AIT Thesis no.EV-93-31 | 30050002588209 | 17/08/2026 | 1 | 17/08/2026 | 20-AIT Publication | ||||
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | AIT Publications | 17/08/2026 | 10.00 | AIT Thesis no.EV-93-31 | 30050002932563 | 17/08/2026 | 2 | 17/08/2026 | 20-AIT Publication | ||||
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | Archives | 17/08/2026 | AIT Thesis no.EV-93-31 | 30050160055652 | 17/08/2026 | 17/08/2026 | 40-Archives | ||||||
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | Archives | 17/08/2026 | 50.00 | AIT Thesis no.EV-93-31 | 30050120933618 | 17/08/2026 | 3 | 17/08/2026 | 20-AIT Publication |