Pengembangan Booklet Pengolahan Limbah Industri Tahu Menggunakan SSF-Wetlands dengan Tanaman Eceng Gondok

Abstract

Liquid waste generated from the tofu industry contains organic substances, namely 40%-60% protein, 25%-50% carbohydrates, 10% fat, and other suspended solids that can undergo physical, chemical, and biological changes to produce toxic substances. To overcome the pollution caused by the disposal of industrial liquid waste, research on the development of a tofu industrial waste treatment booklet using subsurface flow-wetlands was carried out with water hyacinth plants. This aims to improve the understanding and skills of tofu industry owners so that tofu industry owners can practice on their own about tofu industrial waste treatment after reading the booklet. This research method uses the Thiagarajan media development model, there are 4 stages, namely: definition, design, development, and disseminate. However, this research was carried out only until the development stage. The results of the validation assessment validation test from material experts obtained an assessment percentage of 86% and media experts obtained an assessment percentage of 82.85% with the achievement criteria being very suitable or very valid according to the BSNP criteria. In conclusion, the booklet developed has very interesting qualifications, is very appropriate, and is effective, and has few revisions. so that the booklet media is suitable to be used and disseminated as a media for outreach to the owners of the tofu industry.