Vol. 13 No. 2 (2022)

Articles

• Identifying Concentration of Carbon Dioxide at Heights of 1.5 M and 15 M in Six Locations in Urban Areas

  Haryono Setiyo Huboyo, Okto Risdianto Manullang, Budi P Samadikun

  1-9

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  DOI : https://doi.org/10.21771/jrtppi.2022.v13.no2.p1-9

• Evaluation of the Implementation Integrated Biological System Industrial Wastewater Treatment Plant: Pollutant Removal, Operational Maintenance, Estimation of Carbon Emission

  Nanik Indah Setianingsih, Farida Crisnaningtyas, Agus Purwanto, Ikha Rasti Julia Sari

  10-20

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  DOI : https://doi.org/10.21771/jrtppi.2022.v13.no2.p10-20

• The Effect of Bentonite and Palm Shell Ash on The Mechanical and Physical Properties of Geopolymer Concrete

  Yusup Hendronursito, Muhammad Amin; Yugo Chambioso; Suharto, Roniyus Marjunus

  21-27

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  DOI : https://doi.org/10.21771/jrtppi.2022.v13.no2.p21-27

• The Kinetic Analysis and Adsorption Isotherm of Chicken Egg Shells and Membranes Against Synthetic Dyes

  Linda Hevira, Gampito

  28-36

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  DOI : https://doi.org/10.21771/jrtppi.2022.v13.no2.p28-36

• Analysis of Potential Utilization of Sarulla Geothermal Combined Cycle Residual Fluids for Direct Use in The Coffee Industry

  Jonius Christian Harefa, Hadiyanto, Udi Harmoko

  37-50

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  DOI : https://doi.org/10.21771/jrtppi.2022.v13.no2.p37-50