Vol. 2 No. 2 (2024)

Articles

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  Optimization of Liquid Organic Fertilizer Production from Tofu Liquid Waste Using EM-4 Activator and Additional Ingredients of Rice Washing Water and Goat Urine

  👥 Maryudi Maryudi⁽¹⁾★, Lutfi Kurniawan⁽²⁾, Erna Astuti⁽³⁾, Asdarina Yahya⁽⁴⁾

  (1) Universitas Ahmad Dahlan
  (2) Universitas Ahmad Dahlan
  (3) Universitas Ahmad Dahlan
  (4) Universiti Teknologi MARA

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  📈 Abstract : 585    📥 PDF : 616

  DOI10.26555/ijce.v2i2.707 📄 45-55
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  The Utilization of Nickel Slag and Oyster Shell to Improve the Concrete Strength

  👥 Sartika S. Selang⁽¹⁾, Maryudi Maryudi⁽²⁾★, Zahrul Mufrodi⁽³⁾, Sri Rahayu Widyaningrum⁽⁴⁾

  (1) Universitas Ahmad Dahlan
  (2) Universitas Ahmad Dahlan
  (3) Universitas Ahamd Dahlan
  (4) Politeknik Negeri Lampung

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  📈 Abstract : 293    📥 PDF : 320

  DOI10.26555/ijce.v2i2.1021 📄 56-61
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  Mechanical Characteristics of Concrete with Addition of Nickel Slag Waste as Aggregates

  👥 Safriyati Pelupessy⁽¹⁾, Zahrul Mufrodi⁽²⁾★, Totok Eka Suharto⁽³⁾

  (1) Universitas Ahmad Dahlan
  (2) Universitas Ahmad Dahlan
  (3) Universitas Ahmad Dahlan

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  📈 Abstract : 401    📥 PDF : 363

  DOI10.26555/ijce.v2i2.1102 📄 62-69
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  Utilization of Coal Ash as an Ameliorant to Enhance Growth and Nutrient Availability for Chili Plants (Capsicum annuum L.) on Peat Soil

  👥 Farrah Fadhillah Hanum ⁽¹⁾★, Budi Setya Wardhana ⁽²⁾, Imran ⁽³⁾, Annisa Vada Febriani ⁽⁴⁾

  (1) Universitas Ahmad Dahlan
  (2) Universitas Ahmad Dahlan
  (3) Universitas Ahmad Dahlan
  (4) Universitas Ahmad Dahlan

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  📈 Abstract : 155    📥 PDF : 162

  DOI10.26555/ijce.v2i2.1412 📄 70-78
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  Review : Exploration of Squalene from Natural Materials as its Potential in Health and Food Fields

  👥 Adi Permadi⁽¹⁾★, Mutiara Wilson⁽²⁾

  (1) Ahmad Dahlan University
  (2) Ahmad Dahlan University

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  📈 Abstract : 568    📥 PDF : 466

  DOI10.26555/ijce.v2i2.1423 📄 79-89