• TUPURI VISHNU KIRAN
• Dr. PRAVINKUMAR. D.PATIL

Crystallization is one of the main unit operations performed in the many chemical industries. Crystallization process is driven by the nucleation and growth kinetics, which are based on the solute solubility and supersaturation. Effective optimization techniques are used to study the influence of the independent variables and their interactions on the dependent variables. Taguchi method, which is considered to be one of the effective optimization methods was selected for the process optimization. L9 orthogonal array was selected for the robust design of the experiments based on the selected factors with different levels in order to assess the impact on the yield of the oxalic acid dihydrate (C2H2O4.2H2O) in distilled water (H2O). Based on the nine experiments performed as per the L9 orthogonal array revealed that the seeding temperature at various stirring speeds had a greater influence on the yield of the oxalic acid dihydrate (C2H2O4.2H2O) crystals. The solvent chosen with the solute for the experimental work was distilled water (H2O) to understand the crystallization dynamics through the cooling crystallization method. The selected four significant factors were the agitator speed, seed ratio, seeding temperature and the linear cooling temperature. This article provides a profound understanding on the percentage yield comparison at two different end temperatures of 27OC and 25OC respectively and the factor, which is responsible to impact such a change. The solubility of oxalic acid dihydrate (C2H2O4.2H2O) at 60OC was considered for the two sets of the experiments.

Taguchi Method, Orthogonal Array, Crystallization and Optimization

"An experimental approach to compare the percentage yield of oxalic acid dihydrate (C2H2O4. 2H2O) at two different cooling temperatures by using L9 orthogonal array.", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 12, page no.g679-g692, December-2024, Available :http://www.jetir.org/papers/JETIR2412676.pdf

"An experimental approach to compare the percentage yield of oxalic acid dihydrate (C2H2O4. 2H2O) at two different cooling temperatures by using L9 orthogonal array.", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 12, page no. ppg679-g692, December-2024, Available at : http://www.jetir.org/papers/JETIR2412676.pdf