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UTILITY OF CYANIDE ION REMEDIATION RESIDUES TO PREPARE ACTIVE RODENTICIDE ACCESSING TO ZERO RESIDUE LEVEL: SPRAGUE DAWLEY RATS Rattus rattus AS CASE STUDY | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 23, Issue 2, 2018, Pages 30-40 | ||
| Authors | ||
| Suadat Mustafa Mohammed; Nisreen Sabbar; Ahmed Alaa Hussain; Mohammed Nsaif | ||
| Abstract | ||
| This study was examined the possibility of pomegranate peel residue (PPR) (which remains after extraction of antioxidants (phenolics)) for removing polluted cyanide ions from aqueous solutions using several operational factors via adsorption technique. The operational factors studied included initial concentration of (CN-), pH of aqueous solution, flowrate of the aqueous solution inside the adsorption unit, height of adsorption media and time of treatment. By means of changing the aforementioned variables within particular empirical ranges, the best operational conditions were identified that gave the highest percentage removal of cyanide ion from aqueous solutions which reach to 95.75%. The samples of PPR remaining after completion the adsorption process explained above have been used to prepare an effective toxic material for rodents. The lethal effect of this cheap rodenticide was investigated using laboratory rats of type Sprague Dawley (which has the scientific name Rattus rattus) as a case study. These toxic residues exhibited a fatal effect on this type of rats depending on the calculated half lethal dose (LD50) of its which was compared with the (LD50) mentioned in literature and scientific references and showed that it was within the required range. In this method, more than one type of toxic and non-toxic wastes was disposed by simple, benefit, non-cost and environment friendly way. This way represents by eliminating the cyanide ions from aqueous solutions to minimum possible concentration using non-valuable agricultural wastes (PPR) and in the same time preparing a cheap and active rodenticide according to lethal dose (LD50) calculated accessing to zero residue level (ZRL). | ||
| Keywords | ||
| pomegranate peel; cyanide ion; adsorption; Sprague Dawley Rats and zero residue level; Sprague Dawley; ZRL | ||
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