The paper presents an experimental study of roughness characteristics of surface profile generated in CNC turning of AISI 1040 mild steel and optimization of machining parameters based on genetic algorithm. The three level rotatable central composite designs are employed for developing mathematical models for predicting surface roughness parameters. Response surface methodology is applied succe...

Denitrification processes are crucial in aquaculture as they convert the undesirable nitrate to safer forms of nitrogen. Conventionally, plastic media used for biofiltration wastewater. However, alternative may be effective/better than and enhance sustainability system. This study evaluated biochar zeolite alternatives denitrification effluents. Triplicates laboratory-scale bioreactors were fab...