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Kaur, Narinderjit
- Efficient Micellar Extraction of Ternary Mixture of Cationic Dyes from Aqueous Medium
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Authors
Affiliations
1 Department of Chemistry, Kanya Maha Vidyalaya, Jalandhar - 144004, Punjab, IN
2 Department of Applied Sciences and Humanities, Shaheed Bhagat Singh State Technical Campus, Ferozepur - 152004, Punjab, IN
3 Department of Chemistry, Hans Raj Mahila Maha Vidyalaya, Jalandhar - 144008, Punjab, IN
1 Department of Chemistry, Kanya Maha Vidyalaya, Jalandhar - 144004, Punjab, IN
2 Department of Applied Sciences and Humanities, Shaheed Bhagat Singh State Technical Campus, Ferozepur - 152004, Punjab, IN
3 Department of Chemistry, Hans Raj Mahila Maha Vidyalaya, Jalandhar - 144008, Punjab, IN
Source
Journal of Surface Science and Technology, Vol 33, No 3-4 (2017), Pagination: 106-114Abstract
In the present work an attempt has been made to extract ternary mixture of Basic Yellow-2 (BY-2), Basic Red-12 (BR-12) and Basic Blue-26 (BB-26) dyes from simulated textile effluent by solvent extraction using anionic surfactant Sodium Dodecylsulfate (SDS). This study proposes an efficient, fast, simple and effective microemulsion system for the removal of cationic dyes using reverse micelles of anionic surfactant from wastewaters. In this method, dyes are dissolved in aqueous phase and mixed with organic solvent in the presence of surfactant. The effects of the concentration of feed mixture (dye and surfactant), temperature, pH and salt concentration on extraction of dyes from aqueous phase have been studied after the complete separation of two phases. The method poses no environmental threat, so it is an eco-friendly way to treat dye house effluents.Keywords
Anionic Surfactant, Cationic Dyes, Reverse Micelles, Solvent Extraction.
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- Ergonomic Study of Visual Discomforts Due to Lighting Conditions in Rural and Urban Homes of Ludhiana District
Abstract Views :164 |
PDF Views:0
Authors
Affiliations
1 Department of Family Resource Management, College of Home Science, Punjab Agricultural University, Ludhiana (Punjab), IN
1 Department of Family Resource Management, College of Home Science, Punjab Agricultural University, Ludhiana (Punjab), IN
Source
Asian Journal of Home Science, Vol 13, No 1 (2018), Pagination: 231-236Abstract
The present study entitled ergonomic study of visual discomforts due to lighting conditions in rural and urban homes of Ludhiana district was undertaken to study the visual discomforts faced by the respondents in rural and urban homes of Ludhiana district, to assess the impact of inadequate lighting conditions on human health. Study was conducted as household survey in rural and urban homes in Ludhiana district. Results of the study revealed that from both urban and rural area various visual discomforts like declined vision, eye strain, glare in eyes, were observed due to inadequate light. Some subjective scales used also highlighted that respondents felt visual discomforts due to poor lighting. Ocular Surface Disease Index (OSDI) scale was used to analyze symptoms related to visual problems and it was found that in rural area maximum number (88.33%) of the respondents and in urban area around half (53.33%) of the respondents were having mild level of dry eyes disease followed by moderate one fourth (25.00%) in urban area and 11.67 per cent in rural area. Only 16.67 per cent of the respondents in urban area were having high level of dry eye diseases. Whereas, Aramuc Scientific Scale showed that in urban area one third (33.33%) of the respondents and in rural area 20.00 per cent of the respondents were having true dry eyes. Therefore, lighting of the house should be ergonomically designed which can help to reduce the visual problems. These corrective measures can be achieved by proper lighting, right positioning of light fixtures, proper type of light source should be used.Keywords
Indadequate Lighting, Ergonomics, Visual Discomforts, Glare, Ocular Surface Disease Index (OSDI), Aramuc Scientific Scale.References
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