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Suripto Suripto
Biology Study Program, Faculty Of Mathematics And Natural Sciences University Of Mataram
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Social Sciences

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Socialization of Organic Waste Processing in the Lembar Selatan Mangrove Ecotourism Area, West Lombok Ernawati; Suripto; Siti Raudhatul Kamali; Astrini Widianti; Rachmawati Noviana Rahayu; Baiq Tiara Wimadhia Assyifa
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 3 (2024): Juli - September
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i3.9056

Abstract

In ecotourism areas, tourist activities are always a source of waste generation. Tourist visits can have a positive impact on the community's economy, but they also have a negative impact, namely increased waste generation. The Lembar Selatan Mangrove Ecotourism Area is an ecotourism destination in West Lombok which attracts more and more visitors from year to year. The increase in the number of visitors causes an increase in waste generation in tourist areas. Some rubbish is still dumped in mangrove forests, so a lot of rubbish is found in mangrove forests which are ecotourism objects. Integrated waste management is needed, especially through empowering local communities to overcome the problem of waste generation in the area. For this reason, socialization of waste processing into eco-enzyme products for the community was carried out with the aim of increasing awareness and economic independence of the community in managing waste. This socialization was carried out using lecture methods, demonstrations, focus group discussions and practice with female food traders who are members of the UMKM group and members of POKDARWIS of The Lembar Selatan Village as the target audience. The results show that the participants were very enthusiastic about taking part in this activity, causing their awareness, knowledge and skills to increase, especially regarding integrated waste management and processing organic waste into eco-enzyme products. It is hoped that the results of this activity will further increase the village's economic independence in managing waste in the Ecotourism Area of Lembar Selatan.
Processing Fly Ash and Bottom Ash (FABA) Waste into Briquettes as an Effort to Control Environmental Pollution at the West Sumbawa Steam Power Plant Suripto; Khalifah Saleh; Agung Syukriadinata
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 3 (2024): Juli - September
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i3.9167

Abstract

Student work practice has been carried out at West Sumbawa PLTU with the aim of transferring knowledge and work experience to students, especially regarding processing FABA waste into briquettes as an effort to reduce environmental pollution. Work practice was done using a direct practice method accompanied by a supervisor from the West Sumbawa PLTU and guided by lecturers from the Environmental Science Study Program Mataram University. The results show that after following the work practice, students know how to process FABA waste into briquettes, experiment with the use and examine briquette biomass. Making briquettes begins with grinding corn cobs, sawdust and FABA waste, then continues with sieving until a uniform flour particle size is obtained, continuing to mix with tapioca flour (as an adhesive) and water until a paste is obtained, molding until a certain shape and size is obtained and drying until the briquettes are as received (AR) and dry basis (DB). The experimental results show that the use of 50 to 100% briquettes can effectively replace coal with the PLTU load remaining stable at 6000 kW. Briquettes in AR condition contain 15.85% total water, 12.67% ash, 43.97% volatile matter, 27.53 fixed carbon, 0.10% total sulfur, and a rough calorific value of 4039 Kcal/kg. In DB conditions, briquettes contain 15.05% ash, 52.24% volatile matter, 32.71% fixed carbon, 0.11% total sulfur, and a calorific value of 4799 Kcal/kg. This information is important for evaluating fuel performance, energy efficiency and emissions from briquette application in steam power plants.
A Strengthening Strengthening Microalgae Biodiesel Production Capacity Based on Strain Selection for Chaetoceros amini, Nannochloropsis oculata and Nitzschia spp. Suripto Suripto; Lalu Japa
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9589

Abstract

Increasing microalgae biodiesel production through improvement of biomass production is reversible and is often considered economically unprofitable. This research aims to determine the effect of various levels of media salinity stress in producing microalgae strains that have higher oil content than the original population. Three species of microalgae are known to be capable of producing biodiesel, namely Chaeticheros amini, Nannochloropsis oculata and Nitzschia spp. isolated from Sekotong coastal waters, West Lombok, then cultivated in bioreactor systems for seven days with salinity stress treatment to produce strains. The resulting strains were cultivated again, but without salinity stress. Microalgae cell density was observed every day and harvested on the seventh day. The resulting microalgae biomass was extracted in stages to produce biodiesel oil. The results showed that after cultivation under salinity stress, S20, S25, S30, and S35 strains were produced from each of these species. Under salinity stress, all strains except S25 of Nitzschia spp. showed a higher maximum cell density compared to the original population and were reversible respectively. Each of the S25 strains of C. amini and N. oculata, S20 and S25 strains of Nitzschia spp., had a higher oil content than the original population, each of which was permanent
Co-Authors Agung Syukriadinata Ahmad Jupri Ahmad Jupri Ali Aqif Rabbani Fadholi Arben Virgota Astrini Widianti Atika Choirunissa Baiq Farista Baiq Medina Baiq Puji Hendrawati Baiq Tiara Wimadhia Assyifa Choirul Umam Dian Tri Wahyuni Eka Sunarwidhi Prasedya Ernawati Ernawati Farista, B. Gunawan, E.R. H. Ahyadi Hilman Ahyadi Hilman Ahyadi Immy Suci Rohyani Jupri, A. Khalifah Saleh Kurniasih Sukenti L Wiresapta Karyadi Lalu Adi Gunawan Lalu Japa Lalu Japa Lalu Japa Muhamad Alfian Yunanmalifah Nuning Juniarsih Nurul Hidayah Peti Arita Les Sumbawati Rachmawati Noviana Rahayu Rachmawati Noviana Rahayu Rizka Yulia Ashari Salsa Billah Shintya Putri Anggriani Siti Raudhatul Kamali Sukiman Sukiman Tapaul Rozi Taufiq Ramdani Tresnani, G. Tri Mulyaningsih Virgota, A.