AI SearchApplication of Chlorella sp. and chitosan for Au recovery from mine tailing wastewater (Record no. 6513)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 03754nas|a2200421 a 4500 |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260817162842.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 071113s2007 th uu|m rtt 0| a1eng d |
| 035 ## - SYSTEM CONTROL NUMBER | |
| System control number | .b11897570 |
| 099 #9 - LOCAL FREE-TEXT CALL NUMBER (OCLC) | |
| Classification number | AIT Thesis no.EV-07-38 |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Pavinee Prasertchai |
| 245 10 - TITLE STATEMENT | |
| Title | Application of Chlorella sp. and chitosan for Au recovery from mine tailing wastewater |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. | |
| Place of publication, distribution, etc. | Pathum Thani, Thailand : |
| Name of publisher, distributor, etc. | Asian Institute of Technology, |
| Date of publication, distribution, etc. | 2007 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 51 p. : |
| Other physical details | ill. |
| 490 1# - SERIES STATEMENT | |
| Series statement | Thesis ; |
| Volume/sequential designation | no. EV-07-38 |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Thesis (M.Eng.) - Asian Institute of Technology, 2007 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | Batch experiments for Au recovery by adsorption using dried Chlorella sp. and chitosan and desorption were conducted. Adsorption and desorption isotherm results suggested that the multilayer adsorption of Au by Chlorella sp. and chitosan took place. Effects of influencing parameters for adsorption such as equilibrium contact time, pH and Chlorella sp. and chitosan concentrations were investigated. For desorption tests, pH, equilibrium contact time and amount of 0.1 M thiourea were varied. The equilibrium contact times for Au adsorption on Chlorella sp. and chitosan were 24 hours and 6 hours, respectively. The equilibrium contact time for Au desorption for both Chlorella sp. and chitosan was 2 hours. The pH 3 was found to be optimum for Au adsorption for both Chlorella sp. and chitosan; while pH 2 was the optimum for Au desorption. The optimum concentration of C/ilorella sp. for Au adsorption was 200 mg/mg-Au and chitosan was 100 mg/mg-Au. The ratio of Chlorella sp. and chitosan of 1/3 was found to be optimum for Au adsorption at pH 3 for 24 hours contact time and 200 mg/mg-Au of mixing sorbents concentration. The ratio of 0.1 M thiourea and Chlorella sp. or chitosan of 0.1 ml/mg was found to be optimum for Au desorption. At the optimum adsorption conditions, the percents of Au adsorbed by Chlorella sp., chitosan and the 1/3 mixture were 85.50%, 94.60% and 96.10%, respectively, corresponding to the Au adsorption ratios of 4.15, 9.74 and 4.97 mg/g, respectively. Probably, due to the high specific surface area, chitosan was found to be more effective in Au adsorption than Chlorella sp. The percents of Au desorption by thiourea for Chlorella sp. and chitosan were 92.22% and 92.14%, respectively. Based on cost benefit analysis; Chlorella sp. was not cost-effective biosorbent for Au adsorption and desorption while for chitosan and the mixture were cost-effective. |
| 500 ## - GENERAL NOTE | |
| General note | A thesis submitted in paitial fulfilment of the requirements for the degree of Master of Engineering in Environmental Engineering and Management. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Chlorella |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Chitosan |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Heavy metals |
| General subdivision | Physiological effect |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Gold mines and mining |
| Geographic subdivision | Thailand |
| -- | Pichit |
| General subdivision | Waste disposal |
| -- | Environemntal aspects |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Chongrak Polprasert, |
| Relator term | Chairperson |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Visvanathan, C., |
| Relator term | Examination Committee |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Preeda Pakpian, |
| Relator term | Examination Committee |
| 710 2# - ADDED ENTRY--CORPORATE NAME | |
| Corporate name or jurisdiction name as entry element | RTG Fellowship, |
| 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-07-38 |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Materials specified | Full-Text |
| Uniform Resource Identifier | <a href="http://203.159.5.9/ait-thesis/detail.php?q=B11263">http://203.159.5.9/ait-thesis/detail.php?q=B11263</a> |
| 907 ## - LOCAL DATA ELEMENT G, LDG (RLIN) | |
| a | .b11897570 |
| b | mnait |
| c | u |
| 902 ## - LOCAL DATA ELEMENT B, LDB (RLIN) | |
| a | 240329 |
| 998 ## - LOCAL CONTROL INFORMATION (RLIN) | |
| Operator's initials, OID (RLIN) | 0 |
| Cataloger's initials, CIN (RLIN) | 071113 |
| First date, FD (RLIN) | m |
| -- | a |
| -- | u |
| -- | 0 |
| 945 ## - LOCAL PROCESSING INFORMATION (OCLC) | |
| l | mnait |
| 945 ## - LOCAL PROCESSING INFORMATION (OCLC) | |
| l | mnarc |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | 22-AIT Thesis (Replacement) |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | 40-Archives |
| 909 ## - LOCAL ITEMS USED | |
| Barcode | Barcode : 30050120743280 |
| CREATED | CREATED : 2014-03-02 |
| RECORD Id | RECORD # : i12754821 |
| LPATRON | LPATRON : 0 |
| LCHKIN | LCHKIN : - |
| RENEWALS | # RENEWALS : 0 |
| -- | # OVERDUE : 0 |
| -- | IUSE3 : 0 |
| -- | TOT CHKOUT : 0 |
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| 909 ## - LOCAL ITEMS USED | |
| Barcode | Barcode : 30050160049531 |
| CREATED | CREATED : 2016-05-30 |
| RECORD Id | RECORD # : i13004062 |
| LPATRON | LPATRON : 0 |
| LCHKIN | LCHKIN : - |
| RENEWALS | # RENEWALS : 0 |
| -- | # OVERDUE : 0 |
| -- | IUSE3 : 0 |
| -- | TOT CHKOUT : 0 |
| -- | TOT RENEW : 0 |
| 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 | 50.00 | AIT Thesis no.EV-07-38 | 30050120743280 | 17/08/2026 | 3 | 17/08/2026 | 22-AIT Thesis (Replacement) | ||||
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | Archives | 17/08/2026 | AIT Thesis no.EV-07-38 | 30050160049531 | 17/08/2026 | 17/08/2026 | 40-Archives |