Photocatalytic decolorization of congo red over ZnO powder using Box–Behnken design of experiments

2000 ◽  
Vol 23 (2) ◽  
pp. 167-173 ◽  
Author(s):  
G. Annadurai ◽  
T. Sivakumar ◽  
S. Rajesh Babu
Keyword(s):  
Design Of Experiments ◽  
Congo Red ◽  
Box Behnken Design ◽  
Photocatalytic Decolorization ◽  
Zno Powder

Optimization of corona discharge process using Box–Behnken design of experiments

2012 ◽  
Vol 70 (6) ◽  
pp. 469-473 ◽  
Author(s):  
Dipayan Das ◽  
Rashmi Thakur ◽  
Arun Kumar Pradhan
Keyword(s):  
Design Of Experiments ◽  
Corona Discharge ◽  
Discharge Process ◽  
Box Behnken Design

Core-shell structured epoxide functional NiO/SiO2 nanocomposite particles and photocatalytic decolorization of congo red aqueous solution

2017 ◽  
Vol 529 ◽  
pp. 783-792 ◽  
Author(s):  
Mosammat Sammi Akhtar ◽  
Mohammad Ashraful Alam ◽  
Klaus Tauer ◽  
Mohammad Shamim Hossan ◽  
Mostafa Kaiyum Sharafat ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Congo Red ◽  
Core Shell ◽  
Nanocomposite Particles ◽  
Photocatalytic Decolorization

scholarly journals Combined UV-C/H2O2/VUV processes for the treatment of actual slaughterhouse wastewater

2021 ◽  
Author(s):  
Kambiz Vaezzadeh Naderi
Keyword(s):  
Design Of Experiments ◽  
Irradiation Time ◽  
Response Surfaces ◽  
Operating Conditions ◽  
Combined Processes ◽  
Optimum Conditions ◽  
Box Behnken Design ◽  
Slaughterhouse Wastewater ◽  
Toc Removal ◽  
Uv C

In this study, a three-factor, three-level Box-Behnken design with response surface methodology and quadratic programming were used to maximize the total organic carbon (TOC) removal and minimize the H2O2 residual in the effluent of the combined UV-C/H2O2/VUV system for the treatment of actual slaughterhouse wastewater. The initial TOC concentration (TOCo), the initial concentration of H2O2, and the irradiation time were the three independent variables studied in the design of experiments. The multiple response approach was used to obtain desirability response surfaces at the optimum factor settings. Thus, the optimum conditions to achieve a maximum TOC removal of 46.19% and a minimum H2O2 residual of 1.05% were TOCo of 213 mg/L, H2O2,o of 450 mg/L, and irradiation time of 9 min. The obtained optimal operating conditions were validated with an additional test. Consequently, maximum TOC removal of 45.68% and minimum H2O2 residual of 1.03% were obtained experimentally, confirming the reliability of the statistical model. Keywords: Slaughterhouse Wastewater; Wastewater Treatment; UV-C/H2O2/VUV, Combined Processes; Design of Experiments; Optimization.

DESIGN OF CULTURAL CONDITIONS FOR PRODUCTION OF CHONDROITINASE BY ASPERGILLUS NIGER USING DESIGN OF EXPERIMENTS

INDIAN DRUGS ◽  
2015 ◽  
Vol 52 (06) ◽  
pp. 24-32
Author(s):  
N Kasinathan ◽  
◽  
V. M. Subrahmanyam ◽  
V. R Josyula
Keyword(s):  
Design Of Experiments ◽  
Yeast Extract ◽  
Spinal Cord Injuries ◽  
Box Behnken Design ◽  
Medium Components ◽  
Cultural Conditions ◽  
Burman Design ◽  
Level Of Significance ◽  
Optimized Conditions ◽  
Plackett Burman Design

Chondroitinases are useful in treating cancer and spinal cord injuries. The work reported so far does not focus on production of fungal chondroitinase. The present study focuses on the optimization of cultural conditions using design of experiments for production of chondroitinase by a fungal isolate CHCS-2, obtained from humus containing poultry waste. The cultural conditions were optimized systematically using a one-factor-at-a-time (OFAT) approach, factorial design, Plackett-Burman design (PBD) and Box- Behnken design to identify the composition of the production medium and the level of the variables. The level of significance of the medium components selected by OFAT study viz., yeast extract, chondroitin, and phosphate, was analyzed by factorial studies. The effect of eleven minerals on the enzyme yield was studied by PBD. The interaction among the medium components selected using factorial and PBD viz., yeast extract, cobalt and aluminum was investigated using the Box-Behnken design (BBD). Under the optimized conditions, maximum chondroitinase yield was 22.5 U/mL.

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