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All Journal JURNAL TEKNOLOGI LINGKUNGAN Ambidextrous : Journal of Innovation, Efficiency and Technology in Organization
Natalina
Malahayati University
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science

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The Effect of Green Phoskko and EM4 Activators on Making Compost Fertilizer from a Mixture of Pineapple Peel Waste and Rabbit Feces Using the Windrow Method Meisya Royani; Natalina
Ambidextrous Journal of Innovation Efficiency and Technology in Organization Vol. 3 No. 02 (2025): Ambidextrous: Journal of Innovation, Efficiency and Technology in Organization
Publisher : Takaza Innovatix Labs Ltd.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61536/ambidextrous.v3i02.398

Abstract

Abstract: Composting is an environmentally friendly method of processing organic waste that can produce high-value organic fertilizer. Organic wastes such as pineapple peels and rabbit manure have potential as compost raw materials due to their high organic carbon and nitrogen content. In this study, a ratio of pineapple peel and rabbit manure of 1:1 (wet weight) was used to obtain an appropriate initial C/N ratio. However, an unbalanced C/N ratio requires special treatment to optimize the decomposition process. The purpose of this study was to determine the effect of using the windrow method with the addition of Effective Microorganisms 4 (EM4) and Green Phoskko activators on C-organic content, total nitrogen, and the resulting compost C/N ratio. The research was conducted using an experimental method with a complete randomized design (CRD) consisting of three treatments, namely: no activator (control), addition of EM4, and addition of Green Phoskko. The compost material was arranged in the form of an elongated pile (windrow), turned periodically, and measured temperature, pH, C-organic content, total nitrogen, and C/N ratio every week for 28 days (4 weeks) of the composting process. Laboratory analysis was conducted at Lampung State Polytechnic Laboratory. The results showed that treatment with EM4 produced C-organic content of 17.26%, total nitrogen of 1.63%, and C/N ratio of 10.59, while Green Phoskko produced C-organic content of 16.22%, total nitrogen of 1.45%, and C/N ratio of 11.18, and the control produced C-organic content of 15.64%, total nitrogen of 1.30%, and C/N ratio of 12.03. the compost treated with EM4 and Green Phoskko has met the standards of good compost quality.
Pengendalian Pencemaran Udara Emisi Sumber Tidak Bergerak di PT. X Sabila Hani Putri; Natalina; Hardoyo
Jurnal Teknologi Lingkungan Vol. 3 No. 2 (2025): Jurnal Teknologi Lingkungan
Publisher : Fakultas Teknik Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jtl.v3i2.33298

Abstract

Stationary source emissions are one of the main contributors to air pollution from the industrial sector. This internship aims to assess the application of emission control technology in boiler, dryer, and generator units at PT. X and to determine its effectiveness in meeting emission quality standards according to national regulations. The methods used include field observations, production process studies, and qualitative descriptive analysis of emission monitoring results. The results of the observations indicate that PT. X has implemented control technologies such as Dust Collectors in boilers, Cyclone Dust Exchangers in dryers, and Air Filters and Silencers in generators. In addition, the company also utilizes Green Open Spaces (GOS) to support air quality management. The application of these technologies is able to reduce the potential for pollutants before they are released into the atmosphere and the presence of GOS helps maintain air quality in the surrounding environment. The overall evaluation shows that emission parameters are in the category of meeting quality standards, so that the efforts made by PT. X are effective in maintaining air quality and supporting the company's compliance with applicable regulations.
Co-Authors Hardoyo Meisya Royani Sabila Hani Putri