?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Removal+of+health+hazards+causing+acidic+dyes+from+aqueous+solutions+by+the+process+of+adsorption&rft.creator=Kaur%2C+Sumanjit&rft.creator=Walia+%2C+TPS&rft.creator=Kaur%2C+Ravneet&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=The+association+of+dyes%2C+particularly+acidic+dyes+with+health+related+problems+is+not+a+new+phenomenon.+A+lot+of+well+established+literature+is+already+available+on+the+role+of+dyes+as+a+major+cause+in+skin+and+respiratory+diseases.+The+adsorbents+which+are+of+low+cost%2C+locally+available+and+are+relatively+new+for+their+acidic+dyes+removal+capacity+from+aqueous+solutions+were+investigated.+Bagasse%2C+cow+dung%2C+groundnut+shells%2C+pea+shells%2C+used+tea+leaves%2C+wheat+straw+were+used+in+their+charcoal+form+whereas+brick+kiln+ash+and+cement+kiln+ash+adsorbents+were+used+as+such+for+the+removal+of+acid+violet+17%2C+acid+violet+49%2C+acid+violet+54%2C+acid+blue+15+and+acid+red+119.+The+effects+of+various+experimental+parameters%2C+initial+pH%2C+dye+concentration%2C+sorbent+dosage%2C+ion+strength%2C+contact+time+were+examined+and+optimal+experimental+conditions+were+decided.+At+initial+basic+pH+more+than+8.0%2C+all+the+five+dyes+studied+could+be+removed+effectively.+The+isothermal+data+for+adsorption+followed+the+Freundlich+and+Langmuir+models.+The+adsorption+results+in+this+study+indicated+that+all+the+adsorbents+were+attractive+candidates+for+removing+acidic+dyes+from+dye+wastewater.&rft.publisher=Dr.+B.S.+Kakkilaya&rft.contributor=Kakkilaya%2C+Dr.+Srinivas&rft.date=2008-01-24&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5929%2F1%2F2007-3-3.pdf&rft.identifier=++Kaur%2C+Sumanjit+and+Walia+%2C+TPS+and+Kaur%2C+Ravneet++(2008)+Removal+of+health+hazards+causing+acidic+dyes+from+aqueous+solutions+by+the+process+of+adsorption.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5929%2F