CD Skripsi
Pengaruh Pemberian Em4 Dalam Biofilter Untuk Menurunkan Kadar Minyak Dan Lemak Limbah Cair Rumah Makan
Restaurant liquid waste may pollute aquatic environment as it has high oil
and fat content. It should be processed before being flown to environment. This
study aims to understand the effectiveness of EM4 addition in reducing oil or fat
content in the restaurant liquid waste. This research was carried out in February
2020 at the Naga Sakti street No. 18, Al Ma’ruf alley, Pekanbaru. A Completely
Randomized Design (CRD) was applied with 3 treatments, namely P0 (without
EM4), P1 (7.5 ml EM4), P2 (10 ml EM4), P3 (12.5 ml EM4) and 3 replications.
The restaurant liquid waste was kept in the biofilter tank for 6 days (3 days in the
anaerob and 3 days in the aerob tanks) and then oil and fat were analyzed. The
best result was obtained in the P1 (7.5 ml EM4). In that treatment oil and fat
decreased from 16.20 mg/L into 2.67 mg/L. The treated liquid waste was then use
for rearing Pangasius sp. sized 4-5 cm for 96 hours. The survival rate of the fish
was 100%. Data obtained shown that the addition of EM4 to the biofilter tanks
was able to reduce the fat content in the restaurant liquid waste.
Keyword : Effective Microorganism-4, Anaerob tanks, Aerob tanks, Pangasius sp
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