INGENIEUR
Figure 2 : Pilot scale batik wastewater treatment system ( top ), batik wastewater treatment before and after ( bottom left and bottom middle ). Batik wastewater treatment process ( bottom right )
in health and safety risks . Some of these are tabulated in Table 1 .
The reduction in carbon impact estimate was calculated for the reduction in usage of wax , resin , dye , sodium silicate , firewood , water , electricity and generation of waste , as a result of improvements made in the process and methods . An overall reduction of 10,707.8 kg CO 2 per year was determined .
The Standard Operating Procedure document is made available to existing as well as new batik premises for ease of reference to abide to CP and resource efficiency practices . All the options and recommendations are shared with batik manufacturers through engagement activities . Such activities should be held more regularly to provide support in creating awareness , educating and addressing issues faced by them .
Effluent Treatment
Wastewater generated from batik making is highly alkaline with high levels of polluting compounds
48 VOL 87 JULY-SEPTEMBER 2021