MARC details
| 000 -LEADER |
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| fixed length control field |
02505nam a2200253 a 4500 |
| 001 - CONTROL NUMBER |
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| control field |
vtls000068130 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
KUKTEM |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20251114204529.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
130117t2012 my a f m 001 0 eng d |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER |
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| International Standard Book Number |
NA |
| 039 #9 - LEVEL OF BIBLIOGRAPHIC CONTROL AND CODING DETAIL [OBSOLETE] |
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| Level of rules in bibliographic description |
201906211525 |
| Level of effort used to assign nonsubject heading access points |
amy2 |
| Level of effort used to assign subject headings |
201906211517 |
| Level of effort used to assign classification |
amy2 |
| Level of effort used to assign subject headings |
201301171219 |
| Level of effort used to assign classification |
Fida |
| -- |
201301171217 |
| -- |
Fida |
| 040 ## - CATALOGING SOURCE |
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| Original cataloging agency |
UMP |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
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| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
TP245.S6 A94 2012 rs Bc. |
| 100 0# - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Ayesha Darawin |
| 245 10 - TITLE STATEMENT |
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| Title |
Recovery of spent IPA by using evaporation process / |
| Statement of responsibility, etc. |
Ayesha Darawin |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. |
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| Place of publication, distribution, etc. |
Kuantan, Pahang : |
| Name of publisher, distributor, etc. |
UMP, |
| Date of publication, distribution, etc. |
2012 |
| 300 ## - PHYSICAL DESCRIPTION |
|---|
| Extent |
xii, 45 p. : |
| Other physical details |
ill. (some col.) ; |
| Dimensions |
30 cm. + |
| Accompanying material |
1 CD-ROM |
| 502 ## - DISSERTATION NOTE |
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| Dissertation note |
Project paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang - 2012 |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE |
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| Bibliography, etc. note |
Bibliography : p. 40-41 |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
Spent Isopropyl Alcohol (IPA) that not recovered must be managed as schedule waste which is quite costly and give significant impact to the environmental issues. Thus, the main objective of this research is to suggest the reuse approach for spent IPA by using simple evaporation process because the IPA is easily to vaporize. The spent IPA recovery is studied by determine the effect of operating temperature and volume of spent IPA to the evaporation process. Besides, by analyzing the concentration of precious metals in the spent IPA, it will guide further research on precious metal recovery. The spent IPA taken from an electronic company will be recovered by using rotary evaporator that is easily to be handled. In the experiments, increasing in temperature will increased the evaporation rate because more heat is transferred to the spent IPA. Therefore, the reusable IPA vapour can easily released since the kinetic energy of spent IPA molecule is also increasing. In varying the spent IPA volume, 98.3% of the spent IPA can be recovered to reusable IPA where another 1.7 % will be in concentrated residual that consists of discarded solder paste in surface mount technology process. Besides, by using atomic adsorption spectrometer, metal concentration after leaching process is 5.214 ppm of copper and 0.8213 ppm of silver. In conclusion, high percentage of spent IPA can be recovered at the optimum temperature 80 oC, and concentration of metal in the spent IPA can be determined. Thus, it is recommended for the electronic company to optimize the usage of IPA. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Silver |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Isopropyl alcohol |