Vol. 1 No. 6 (121) (2023): Technology organic and inorganic substances

Technology organic and inorganic substances

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  Analysis of the thermal characteristics of the paraffin wax/high-density polyethylene (HDPE) composite as a form-stable phase change material (FSPCM) for thermal energy storage

  Dwi Rahmalina, Almira Rahma Zada, Herni Soefihandini, Ismail, Budhi Muliawan Suyitno

  6-13

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  Identification of combustion regularities of fuel mixtures from Azolla biomass, goat manure biochar and goat manure bio-oil for FCC furnace

  Tanwir Ahmad Farhan, Ahmad Indra Siswantara, Ahmad Syihan Auzani, Adi Syuriadi, Candra Damis Widiawaty, Muhammad Hilman Gumelar Syafei, Iwan Susanto

  14-21

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  Analysis of compositions and fuel specifications of the aqueous emulsion fuels of gasoline (RON 90)-ethanol-water in stable emulsions at low temperatures

  Hanny Frans Sangian, Guntur Pasau, Gerald Hendrik Tamuntuan, Arief Widjaja, Ronny Purwadi, Silvya Yusnica Agnesty, Tun Sriana, Arif Nurrahman, Abubakar Tuhuloula, Ramli Thahir

  22-32

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  Development of technology for obtaining fat compositions with increased oxidative stability

  Dmytro Saveliev, Oleksandr Hryhorenko, Evgeniia Mykhailova, Mikhail Kravtsov, Oleg Kostyrkin, Anatolii Nikitin, Valentyn Romaniuk, Oleksandr Smolkov, Ivan Meshcheriakov, Volodymyr Bahlai

  33-39

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  Analysis of the effect of using Covid-19 medical mask waste with polypropylene on the compressive strength and split tensile strength of high-performance concrete

  Diana Ningrum, Agoes Soehardjono, Hendro Suseno, Ari Wibowo

  40-46

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  Using the gold bullion slag from Indonesia as lithium resources with HCL leaching method

  Nadia Natasha, Ghina Rabbani, Nofrijon Sofyan, Johny Soedarsono, Agus Prasetyo, Ahmad Maksum, Rini Riastuti, Isnanda Nuriskasari

  47-57

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  Investigation of the mechanism of nickel hydroxide formation from nickel nitrate

  Vadym Kovalenko, Valerii Kotok, Dmitriy Girenko, Mykola Nikolenko, Dmytro Andreiev, Volodymyr Verbitskiy, Volodymyr Medianyk, Svetlana Morozova, Rovil Nafeev

  58-65

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