OPTIMIZATION OF COAGULATION PARAMETERS IN THE REMOVAL OF TURBIDITY AND SUSPENDED SOLIDS FROM TANNERY EFFLUENTS USING THE BOX - BEHNKEN DESIGN

被引：0

作者：

Bobadilla, Jorge L. Mendoza ^{[1
]}

Perez, Guillermo A. Garcia ^{[1
]}

Vasquez, Wilson A. Maco ^{[1
]}

Escobedo, Adolfo E. Guerrero ^{[1
]}

Rojas, Jorge F. Vergara ^{[1
]}

Carranza, Wilber A. Loyola ^{[1
]}

Espinoza, Ronald F. Rodriguez ^{[2
]}

机构：

[1] Univ Nacl Trujillo, Trujillo, Peru

[2] Univ Autonoma Peru, Lima, Peru

来源：

JOURNAL OF ENGINEERING SCIENCE AND TECHNOLOGY | 2023年 / 18卷 / 04期

关键词：

Box-Behnken; Coagulation; Optimization; Suspended solids; Turbidity; FLOCCULATION; WATER;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present study evaluated the performance of tannery effluent treatments by coagulation processes. This was done by combining each of the organic coagulants L-1544, L-1541, and L-1700 with aluminium sulphate, respectively, as an inorganic coagulant in different mixing ratios. Subsequently, the response surface method optimized the coagulation conditions: agitation speed, time, and total coagulant concentration. The best results were obtained with the cationic coagulant based on L-1544; likewise, by superposition of contours plots, the conditions that maximize the percentages of simultaneous removal of turbidity and suspended solids were determined, the optimum coagulation values being time 4 minutes, agitation speed 169.7 rpm and total coagulant concentration 1354 ppm, obtaining 100 and 61.9 % removal of turbidity and suspended solids respectively. The R-Squared statistics show that the models explain 92.99 % and 93.94 % of the variabilities in turbidity and Suspended Solids Removal, respectively.

引用

页码：2045 / 2056

页数：12

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