Author
Ninad Oke
Bio: Ninad Oke is an academic researcher from Indian Institute of Technology Madras. The author has contributed to research in topics: Effluent & Zero liquid discharge. The author has an hindex of 1, co-authored 4 publications receiving 1 citations.
Papers
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TL;DR: In this paper, a textile sludge based activated carbon (TSBAC) adsorbent and its performance for the treatment of textile dyeing effluent, have been explained.
31 citations
TL;DR: In this paper, the carbon footprint of a typical ZLD treatment facility in south India was found to be 10,598 tons of carbon dioxide equivalent per year (tCO2eq/year), which is only one-third more than that of a conventional treatment plant.
Abstract:
Effluent treatment plants act as the last line of defense against the discharge of pollutants from industrial effluents. The higher resource consumption, variety of dyes, and auxiliary chemicals used for textile manufacturing classify it as a highly polluting industry. Standards for color, organics, and dissolved solids are becoming more stringent with time, and local regulators are forced to insist on the establishment of zero liquid discharge (ZLD) units. However, the application of the ZLD concept has the major limitation of high energy consumption when compared with the conventional wastewater treatment plant. The application of carbon footprint analysis to both units would provide a comprehensive solution to the carbon footprint computation and bring out the advantages of the ZLD. The carbon footprint of a typical ZLD treatment facility in south India was found to be 10,598 tons of carbon dioxide equivalent per year (tCO2eq/year), which is only one-third more than that of a conventional treatment plant. The carbon footprint of a given ZLD treatment facility can effectively be used as a performance indicator to limit the overall energy consumption.
3 citations
TL;DR: In this paper, an optimized pre-ozonation treatment has been proposed for textile effluent, which is optimized for high color, organic load, dissolved solids content and toxicity of the textile effluents.
Abstract: Treatment of the textile effluent becomes complex due to the high color, organic load, dissolved solids content, and toxicity of the textile effluents. An optimized pre-ozonation treatment has been...
1 citations
01 Jan 2020
TL;DR: In this article, the carbon footprint of a zero liquid discharge textile manufacturing facility in south India was found to be 10598.31 tCO2 equivalents per year, which is a measure of the total amount of greenhouse gases emissions of a defined person, organization, or region associated with certain activities, production processes and life cycle of a product.
Abstract: The higher quantities of water and a wider spectrum of dyes and auxiliary chemicals used impart a complex nature to combined effluent from various textile manufacturing units. Standards for color, organics, and dissolved solids are becoming stringent with time and regulators are in demand of zero liquid discharge units. For any zero liquid discharge facility, the major concerns include higher energy consumption for reject management and the generation of hazardous solid waste. As per the government regulations in Tamil Nadu, India, all the textile industries with a daily effluent discharge of more than 25 kiloliters must set up a zero liquid discharge facility. This has led to the accumulation of million tons of hazardous solid waste in the premises of textile manufacturing units. A carbon footprint is a measure of the total amount of greenhouse gases emissions of a defined person, organization, or a region associated with certain activities, production processes and life cycle of a product. The application of carbon footprint analysis to different waste management options can effectively help in the quantification of the overall environmental impact. The analysis performed can give key inputs to the stakeholders in the decision-making process regarding waste management in textile industries. Based on the methodology applied as per IPCC guidelines, the carbon footprint of a zero liquid discharge textile manufacturing facility in south India was found to be 10598.31 tCO2 equivalents per year. Sustainable waste management in textile industries plays an important role in minimizing the overall environmental impact of this continuously growing industry.
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TL;DR: In this paper, the authors presented a techno-economic assessment of five MLD treatment schemes that can be implemented in the brine treatment, including reverse osmosis (RO), high-pressure RO, forward OSMosis (FO), osmotically assisted RO (OARO), and membrane distillation (MD).
65 citations
TL;DR: In this paper , a porous foams based on L-lysine (Lys) molecular-grafted cellulose was firstly designed and fabricated to overcome the challenges of high adsorption efficiency, active to both anionic and cationic dyes and simple desorption.
38 citations
TL;DR: A comprehensive overview of various bio-sorbents that are identified and successfully employed for the removal of dyes from aqueous environments is presented in this article , where the effect of physicochemical characteristics of adsorbents such as surface functional groups, pore size distribution and surface areas are critically evaluated.
33 citations
TL;DR: In this paper , Montmorillonite nanosheet/poly(acrylamide-co-acrylic acid)/sodium alginate hydrogel beads with high handle capacity towards dyes effluent was investigated.
20 citations
TL;DR: In this article , the authors have focused on the environmental impact and toxicity of textile wastewater, and various techniques that are used to treat textile wastewater are discussed, and the challenges faced, and prospects of the methods have been discussed in detail.
20 citations