| dc.description.abstract | Research on purple corn cob activated carbon as a water adsorbent aims to
reduce ammonia levels in fish pond water. Purple corn cob activated carbon is used
to reduce ammonia (NH3) levels in fish pond water. Carbonation temperatures are at
550oC, 600oC and 650oC for 30 minutes, mashed with 100 mesh sieve, chemically
activated using 6% Na2CO3 stirred at 70oC for 15 minutes and soaked for 24 hours
then washed using distilled water pH neutral and oven at 100oC for 1 hour. Testing
the level of ammonia with a mass of activated carbon 1.5 gr, 2.0 gr and 2.5 gr with
50 ml of ammonia water. Ammonia content from 1 mg/l to 0.2 mg/l with a mass of
1.5 g of activated carbon. The water absorption is at a temperature of 500oC with
20.9%. SEM test EDX Mapping with an average pore diameter of 220 nm, XRD
results showed Rhombohedral crystal structure, as well as FTIR test analysis on
carbon that had been activated with a wave number of 3244.60 cm-1 and 6% Na2CO3
3621.27 cm-1 of an O-H bond. In the carbon sample that has not been activated,
absorption band of 2882.30 cm-1 of a C-H bond. | en_US |
