Irfandi Pratama
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Adsorption Isothermal Methane Gas With Mass Flow Rate of 10 SLPMand 20 SLPM For Adsorbed Natural Gas Storage Irfandi Pratama; Awaludin Martin; Nasruddin Nasruddin
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The increase energy needs along with the times resulted in the availability of energy derived from fossil fuels thinning. Utilization of natural gas as a potential replacement for fossil fuels because of national gas production shows increase.Natural gas as a  replacement for fossil fuels constrained in the storage process,  storageis oftenusediscompressed  natural  gas(CNG) andliquefied naturalgas(LNG). CNG storage constrained at high pressure (20 MPa) and LNG constrained in gas liquefaction process that requires  extremely low temperatures     (-161.5°C).Adsorbed natural gas (ANG) is a solution to reduce the pressure in the tube of about 3,5 to 4 MPa by utilizing the process of adsorption using activated carbon.Adsorptionmeasurement use volumetric method (isothermal) at temperatures  25oC with 10 bar pressureand variation of the mass flow rate (10 standard liter per minute and 20 standard liter per minute).The purpose of this study was to obtain data of methane (CH4)  stored and out (stuck) on the storage and also to  see temperature phenomena that occur in storage.From the test results,  the massof methane storedat10SLPMis33,19gram and20SLPMis43,63gram.As for themethanegasthat isstuckat10slpm is7,09gramand20slpmis16,54369gram. Keywords:Adsorbed Natural Gas, Volumetric methode , Adsorption Isothermal
Challenges and Strategies: Willingness to Pay for Mangrove Forest Ecotourism Development In Indonesia Cici Musliha; Waridin Waridin; Made Ika Prastyadewi; Arisanti Ayu Wardhani; Irfandi Pratama
E-Journal of Tourism Volume 10 Number 2 (September 2023)
Publisher : Centre of Excellence in Tourism Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24922/eot.v10i2.101646

Abstract

This study aims to analyze the community's willingness to pay (WTP) and formulate a strategy for developing mangrove forest ecotourism. This study uses a mixed method with a sampling method using accidental sampling of as many as 155 respondents and purposive sampling of as many as seven key people. The results showed that as many as 89% of respondents stated they were willing to spend some money with a total WTP value of US$ 23894.46/year. Most of them have WTP because they believe ecotourism development can increase their income and create them. The total value of WTP can be used as a reference in determining ecotourism entrance tickets. The results of the study suggest strategies that can be done for ecotourism development are to increase supporting facilities, carry out conservation efforts, and increase synergies between stakeholders.