This paper aims to explain and describe the implementation of the concept of sustainable water management applied at UIN Raden Fatah Palembang, as part of the implementation of the green campus idea. UIN Raden Fatah's participation in the UI GreenMetric program has been started since 2019 and will be active in 2020. Water management is an important thing at UIN Raden Fatah Palembang because of the condition of the campus itself which is in a water reservoir and swamp area. The campus is divided into two locations, namely Campus A in the Jalan Jenderal Sudirman area and Campus B in the Jakabaring area, Palembang. Campus B is a new campus that will only start operating in 2021, therefore, water management arrangements are very important. The management of water resources is carried out with the Wash program which consists of revitalizing clean water infrastructure, metering clean water supply, water reuse program, improving surface water quality, as well as construction of drainage and canalization. In practice, higher education leaders issue policies that involve all the academic community, ranging from education staff, educators, to students. Keyword: water, green campus, sustainable, swamp
One of the heavy metals contained in the textile industry wastewater is chromium (Cr). Chromium hexavalent ions (Cr6+) are highly toxic and its accumulation in the human body will cause various negative impacts. This study aimed to determine the characteristics of silica synthesized by the sol-gel method to gain homogeneity and high purity. Synthesized silica was calcined at 700°C for 4 hours and its performance to adsorb Cr(VI) ions in textile wastewater was investigated. The presence of -OH group from silanol (–Si-OH) was appeared at wavenumber 3367.70 cm-1, meanwhile siloxane functional groups were recorded at 1056.99 cm-1 and 784.38 cm-1 due to the O-Si-O asymmetric stretching and Si-O bending vibration. Optimum conditions of silica to adsorb Cr(VI) ions took place at pH 2 and contact time of 90 minutes by adsorption efficiency of 75,65% and followed the Freundlich isotherm.
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