Liquid waste from tofu production is generated from the washing, boiling, pressing and molding process. Liquid waste disposal from tofu production have temperature of 37-45°C, turbidity of 535-585 NTU, TSS, ammonia of 23.3-33.5 mg/L, BOD of 6000-8000 mg/l and COD of 7500-8400 mg/l. One of th techniques for the liquid waste processing from tofu production is aeration and adsorption. The purpose…
Carbon monoxide (CO) is one of the many air pollutants produced by human activity. These pollutants become very dangerous, especially if it is in an enclosed area. One way to reduce CO with the use of plants Sansiviera trifasciata / tongue-in-law. Study design using test methods one group pretest-post test. The test is to compare how the percentage decrease in CO levels before and after a trea…
ABSTRAK Perubahan kualitas udara di lingkungan pada umumnya disebabkan oleh pencemaran udara, termasuk ruang praktikum laboratoriumyaitu salah satu ruang yang pemanfaatanya untuk praktikum dan penelitian mahasiswa serta dosen. Tujuan penelitian ini adalah untuk mengetahui tentang gambaran kadar debu udara dan faktor-faktor yang mempengaruhinya di ruang laboratorium Politeknik Kesehatan Ja…