In Indonesia, the contamination from domestic wastewater is becoming the greatest pollutant and reaches up to 85% that goes into the body of water. This might worsen the river water quality. To anticipate this condition, there should be some way out, by making use of wastewater as a source of energy. One of those systems is by employing Cone-tray Cascade Aerator combined with Biofilter by using Hydrilla plant which can be used as an alternative of waste water treatment for both domestic and institutional scale. This research was aimed at determining the system capability of aeration combined with biofilter by using hydrilla plant to reduce or eliminate the pollutant load of BOD, COD, and TSS. This research was conducted in a continuous stream of water at 200L/hour. The result showed that the best system of Conetray Cascade Aerator combined with biofilter could reduce BOD as much as 69,11%, COD at 61,14%, and TSS at 65,45%.
Introduction: By relying on polymorphonuclear (PMN) cells, stromal vascular fraction (SVF) and platelet-rich plasma (PRP) contribute significantly in the healing process. Through anal trauma model, this study examined the effect of SVF and PRP combination on PMN counts in vivo. Method: Three groups of twenty-eight eligible Wistar rats anal trauma model randomly assigned to receive SVF and PRP combination (Group A), normal saline (Group B), or healthy controls (Group C). On days 1, 7, and 14, we examined at PMN cell counts in Groups A and B. Group C were sacrificed early to acquire baseline data on PMN cells. Results: On the first day, Group A had more PMN cells than Group B, but this difference faded by days 7 and 14. On day 1, the test revealed a significant increase in PMN cells (p=0.002). Conclusion: Combining SVF and PRP can improve PMN cells' acute phase of anal damage repair in vivo
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