The Study of Bioleaching to Removal Heavy Metals in Sewage Sludge
Bioleaching as an effective method is used to remove the heavy metal from sewage sludge, but the current study of this method in China is little. This article describes the main factors that affect the effect of bioleaching, including sludge solids concentration and type, substrate type and dosage, temperature, aeration rate, microbial species and inoculum, initial pH and etc.
This research aims at knowing how broad the influence of self-regulated learning (SRL) and parents’ support towards students’ learning outcomes class social in economic subjects in State Senior High Schools in Jombang. This research used quantitative correlational approach which is done in three schools, they are SMA Negeri 1 Jombang, SMA Negeri 2 Jombang and SMA Negeri 3 Jombang in total of 463 social students as the subject. The data collection method in this research covers questionnaire, documentation, and interview. The sampling technique used random sampling technique. The data analysis technique used multiple linier regression statistical. The result of this research shows that there is significant influence between self-regulated learning (SRL) and parents’ support towards students’ achievement in economic subject social class in State Senior High Schools in Jombang