NDLI: Coal fly ash as adsorptive material for treatment of a real textile effluent: operating parameters and treatment efficiency

Content Provider	Springer Nature Link
Author	Zaharia, Carmen Suteu, Daniela
Copyright Year	2012
Abstract	The experimental results performed after the application of one single-stage treatment by sorption onto coal fly ash are evaluated in order to decolorize a real textile effluent of a private company specializing in manufacturing of cotton fabrics (i.e., sorption performance applied for a real textile effluent collected after the fabric dyeing, rinsing, and final finishing steps). The experiments are focused on studying the effect of initial textile effluent pH, adsorbent dose, temperature and adsorption time, considered as operating parameters of sorption process for high pollutant removals (e.g., organic pollutants as dyes, phenols, polymeric, and degradation compounds), and decoloration. The results indicate high values of decoloration degree (55.42–83.00 %) and COD removal (44.44–61.11 %) when it is worked at pH ≤2 with coal ash dose of 12–40 g/L, temperature higher than 20–25 °C, and continuous static operating regime (with an initial agitation step of 3–5 min). The treated textile effluent fulfills the quality demand, and is recyclable, inside reused or discharged after a stage of neutralization (standard pH of 6.5–8.5 for all textile effluent discharges). Also, the final effluent is able to follow the common path to the central biological treatment plant (i.e., a centralized treatment plant for all companies acting in the industrial site area with mechanical–biological steps for wastewater treatment) or may be directly discharged in the nearly watercourse.
Starting Page	2226
Ending Page	2235
Page Count	10
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	20
Issue Number	4
e-ISSN	16147499
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-07-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Coal ash Cotton fabric manufacturing Decoloration Dyes Organic matter removal Sorption Textile effluent Wastewater Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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