No abstract

The hospital is one of the efforts to improve health consisting of medical centers and doctors' offices which are also supported by other units, such as operating rooms, laboratories, pharmacy, administration, kitchen, laundry, waste and waste treatment, as well as organizing education and training . The purpose of this study was to determine the description of wastewater treatment in Lampung Province Mental Hospital in 2020. The type of this research was a descriptive study using qualitative methods, with the object of research being the entire wastewater treatment system of Lampung Province Mental Hospital in 2020. Data collection obtained through observations and observations of the condition of the drainage of wastewater treatment, and interviews with related sections, namely the sanitation department and WWTP officers of Lampung Province Mental Hospital about the wastewater treatment process. From the results of the research that has been done, it can be seen in the treatment of wastewater in the Lampung Provincial Mental Hospital that has not gone well. In the treatment of wastewater treatment plants WWTP off, the wastewater from laundry is not flowed to WWTP, the inspection of wastewater quality is not in accordance with established regulations.

Air limbah tahu mengandung padatan tersuspensi yang akan mengalami perubahan fisik, kimia,dan biologi sehingga menghasilkan zat beracun serta menjadi media pertumbuhan bakteri. Tujuan penelitian ini untuk memperoleh data kemampuan enceng gondok untuk menurunkan kadar BOD, COD dan TSS air limbah tahu tempe dengan variasi konsentrasi air limbah. Metode penelitian bersifat eksperimen semu, menggunakan pre-test dan post-test untuk objek dan kontrolnya. Hasil penelitian menunjukan; 1)kualitas air limbah kosentrasi 100% parameter BOD,COD,TSS adalah 1800 mg/l, 2912 mg/l, 4050 mg/l, Kosentrasi 75% parameter BOD, COD, TSS adalah 864 mg/l, 1369 mg/l, 1985 mg/l, Konsentrasi 50% parameter BOD, COD, TSSadalah 540 mg/l, 917 mg/l, 810 mg/l, 2) Pengaruh variasi kosentrasi air limbah tahu tempe Konsentrasi 100%, Konsentrasi 75% dan Konsentrasi 50% terhadap BOD, COD dan TSS menggunakan uji Anova berpengaruh signifikan hal ini dapat dilihat dari nilai signifikasi semuanya memiliki nilai ≤0,05 dan rekomendasi penelitian ini adalah dilaksanakan rancang bangun IPAL tahu sebagai aplikasi dengan metoda Fitoremidiasi.

Microfiltration membranes are a technological alternative to the biological method; apart from being easier to operate, they can also be made portable, especially in emergencies such as natural disasters. The problem with the operation of this microfiltration membrane is that saturation occurs quickly on the surface of the microfiltration membrane. It can reduce the efficiency of treatment and the quality of wastewater. This study aimed to determine the initial rate of hospital wastewater and the efficiency of reducing the parameters of hospital wastewater using microfiltration membrane filtration. The research method used is quasi-experimental, which aims to explain things that will happen to the research variables by manipulating and controlling the variables so that the influence of one or more variables is found. The conclusion obtained from this study was the initial hospital wastewater quality in the first hour, namely pH 6.5, BOD 82mg/l, COD 271mg/l, TSS 38mg/l, Fatty Oil 1mg/l, NH3 16mg/l, and Total Coliform 3,400 Total/100ml sample. The quality of the treated wastewater produced by microfiltration membranes was pH 7, BOD 10mg/l, COD 64mg/l, TSS 12mg/l, Fatty Oil 0.5mg/l, NH3 1mg/l, and Total Coliform 800 Total/100ml sample. The efficiency of reducing the concentration of wastewater in all parameters meets the smell of hospital wastewater quality. Suggestions from this study are the installation of a field-scale microfiltration membrane device.