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All Journal Jurnal Teknik Kimia Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat International Journal of Eco-Innovation in Science and Engineering (IJEISE)
Pertiwi, Beta Cahaya
Teknik Kimia, UPN Veteran Jawa Timur
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PREPARATION OF CALCIUM-POTASSIUM-PHOSPHORUS (Ca-K-P) AS A MATERIAL FOR SOIL AND PLANT IMPROVEMENT USING THE PRECIPITATION METHOD Muljani, Srie; Matovanni, Maudy Pratiwi Novia; Pertiwi, Beta Cahaya; Novanto, Satria Agung; Yulia S, Putri Arysanti
Jurnal Teknik Kimia Vol 19, No 2 (2025)
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v19i2.5072

Abstract

Kalsium karbonat (CaCO3) merupakan material yang banyak terdapat di Indonesia, baik dalam bentuk batuan maupun dalam berbagai jenis limbah cangkang kerang. Penelitian ini memanfaatkan batuan CaCO3 sebagai sumber CaO untuk pembuatan komposit kalsium-kalium-fosfat (Ca-K-P) dengan metode presipitasi. Komposit Ca-K-P dapat digunakan untuk memperbaiki kualitas tanah masam, perakaran dan kualitas tanaman karena adanya unsur kalsium (Ca), kalium (K) dan fosfor (P). Unsur fosfor merupakan hasil reaksi kimia antara CaCO3 dengan asam fosfat encer (H3PO4) membentuk larutan kalsium fosfat. Proses presipitasi terjadi ketika larutan KOH ditambahkan ke dalam larutan Kalsium Fosfat hingga mencapai tingkat keasaman pada kisaran pH 3 – 11. Suhu sintering pada kisaran 400 – 700℃. Pada pH 10 dan suhu kalsinasi 600℃, diperoleh komposisi produk berupa kalsium oksida (CaO) sebesar 44,60%, kalium oksida (K2O) sebesar 6,65% dan fosfor (P2O5) sebesar 38,58%.
Comparative Analysis of Biomass-Based Adsorbents for Heavy Metal Ion Removal Pertiwi, Beta Cahaya; Firginia, Noni; Satyasyauqi, Muhammad Fauzan; Matovanni, Maudy Pratiwi Novia
International Journal of Eco-Innovation in Science and Engineering (IJEISE) Vol. 6 No. 1 (2025): IJEISE
Publisher : UPN Veteran Jatim

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Abstract

This study investigates the adsorption capabilities of various biomass-based adsorbents for the removal of heavy metal ions from industrial wastewater. This research focusses on the comparative effectiveness of chemical and steam activation methods. Steam-activated adsorbents derived from wine sector waste exhibited a maximum adsorption capacity for Pb²⁺ ions of 399 mg/g. Adsorbents derived from walnut shells and chemically activated with HNO₃ ions exhibited a maximum adsorption capacity of 204.08 mg/g for Cu²⁺ ions. Steam-activated spruce sawdust adsorbents achieved optimal adsorption of Fe²⁺ ions at a capacity of 329 mg/g. The adsorption capacity for Cd⁺ ions was determined to be 116 mg/g, achieved through microwave-assisted steam activation of palm kernel shell-based adsorbents. The research emphasizes the necessity of selecting appropriate activation techniques based on specific heavy metal ions and the desired adsorption properties. Additionally, there is a necessity for further investigation into the processes of pore structure development and their impact on adsorption effectiveness. The findings suggest that developing adsorbent from biomass waste represents a sustainable and effective method for reducing heavy metal contamination in industrial wastewater, thereby advancing environmental protection and resource efficiency.
Biopolymer-based Edible Film for Food Packaging Application : Review Matovanni, Maudy Pratiwi Novia; Jannah, Erisa Nur; Utami, Aliyya Nisa Budi; Maritza, Damara Ramadhani; Pertiwi, Beta Cahaya
International Journal of Eco-Innovation in Science and Engineering (IJEISE) Vol. 6 No. 2 (2025): IJEISE
Publisher : UPN Veteran Jatim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ijeise.v6i2.148

Abstract

Edible films serve as an effective barrier to prevent mass transfer between the product and its environment. This innovation facilitates the development of environmentally sustainable food packaging alternatives that promote the efficient use of natural resources. A variety of biopolymers are utilized in the formulation of edible films, primarily polysaccharides, proteins, and composite materials. Polysaccharides can be further categorized according to their origin, including plant, animal, marine, microbial, and industrial waste sources. Proteins are generally classified into plant- and animal-based categories. Composite films, which combine multiple biopolymer types, offer enhanced structural properties. The application of biopolymer-based edible films presents a promising strategy for mitigating commercial plastic waste accumulation. Nevertheless, the incorporation of additives—such as plasticizers, antioxidants, and antimicrobial agents—is essential to enhance film properties and ensure compliance with quality standards for food packaging application
Inovasi Pembuatan Biobriket dari Limbah Kotoran Sapi di Desa Kalipucang, Kecamatan Tutur, Pasuruan Erlinda, Riska Melati; Annisa Anwar, Miranda; Pujiastuti, Caecilia; Pertiwi, Beta Cahaya
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 3 (2025): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.11.3.534-542

Abstract

The community development program implemented in Kalipucang Village, Tutur District, Pasuruan Regency, aims to assist residents in utilizing cow manure waste by producing environmentally friendly biobriquettes. The activities involved a series of steps, including drying the cow manure, burning, mixing with binders, and molding the biobriquettes. The results of this program show that biobriquettes made from cow manure have a longer burning time compared to conventional charcoal. This program has successfully enhanced residents' skills in waste management, opened new economic opportunities, and promoted the use of alternative energy sources. Overall, the program demonstrates that support from the village government and continuous training is essential to ensure the ongoing development and benefits of the biobriquette enterprise in the village.
Co-Authors Annisa Anwar, Miranda Erlinda, Riska Melati Firginia, Noni Jannah, Erisa Nur Maritza, Damara Ramadhani Matovanni, Maudy Pratiwi Novia Matovanni, Maudy Pratiwi Novia Muljani, Srie Novanto, Satria Agung Pujiastuti, Caecilia Satyasyauqi, Muhammad Fauzan Utami, Aliyya Nisa Budi Yulia S, Putri Arysanti