The increased demand for water stimulates the use of treated wastewater as an alternative resource. However, there has been a constant concern from communities regarding the quality of the treated water. Thus, we present an investigation of community perception on reusing treated wastewater from ablution wastewater. This study aims to treat the ablution wastewater using the continuous electrocoagulation method and to investigate community perception of the treated wastewater. A laboratory experiment was conducted to observe the physical, chemical, and biological properties of the treated wastewater, while focus group discussions (FGD) with 10 respondents from two different mosques in Solo were carried out to understand the community perception if the treated wastewater to be reused for ablution water. The laboratory results showed that the electrocoagulation coupled with the chlorination process successfully diminished the wastewater's physical and chemical properties. the results meet the standards set by the Ministry of Health of the Republic of Indonesia through Regulation No. 32/2017 on Water Quality Standard for Sanitary Hygiene Purposes. On the other hand, the FGD results revealed two different perspectives regarding the application of treated wastewater. Over half of the respondents agreed to reuse the ablution wastewater, while the remaining declined. The decisions of those who agreed are highly affected by the Indonesian Ulema Council Fatwa regarding the status of the treated wastewater. Meanwhile, those who refused argued that currently, there is no urgency to use the treated wastewater since they are not aware of the seriousness of the issue. Furthermore, the respondents are also concerned about the possibility of virus contamination on the treated wastewater, making the water unsafe to be used.
The ablution ritual performed by Muslims before praying requires large amounts of clean water (3.9 L - 4.42 L/person). This is a challenge that needs to be addressed, as in some places, water is a scarce commodity. This study aims to treat ablution wastewater at Masjid Al-Bukhari UIN Raden Mas Said Surakarta using electrocoagulation. The treated water is expected to be reused for ablution rituals in the mosque. Laboratory-scale research methods were performed to treat ablution wastewater. The effect of electrolysis time was evaluated to determine efficiency of the method on the parameters of pH, temperature, total dissolved solid (TDS), conductivity, and ammonia level. Interestingly, ablution wastewater treated using electrocoagulation meets clean water quality standards. This means that the water is safe to reuse for ablution activities in mosques. The electrolysis time has a significant effect on the increase of pH value and the decrease of ammonia level. TDS levels decreased to 65.3% when treated for 40 min. Meanwhile, the conductivity value decreased to 526 µS/cm from the initial value of 1108 µS/cm when the water was treated for 60 min. Statistically, electrolysis time has a significant effect on the decrease of TDS, conductivity, and ammonia levels (α<0.05).
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