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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Agroplasma UPMI Proceeding Series Journal Genbinesia Journal of Biology
Aulia, Tia
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Estimating the dimensions of integrated calciner and carbonator for calcium looping process in a 7500 TPD capacity of cement plant Aulia, Tia; Prahmana, Rico Aditia; Darmanto, Prihadi Setyo; Juangsa, Firman Bagja; Ghita Ghaida Permatasari, Raden Dewi; Walad, Khoeril
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 15, No 2 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2024.1003

Abstract

The calciner in cement factories plays a crucial role, particularly in the decomposition of calcium carbonate (CaCO3) as primary raw materials into calcium oxide (CaO) and carbon dioxide (CO2), a significant contributor to greenhouse gas (GHG) emissions. Hence, an integrated system has been proposed, combining conventional cement plants with calcium looping (CaL) cycles to reduce CO2 emissions. CaL facilitates the capture of CO2 by CaO, forming CaCO3 as raw material for cement production. Given that CaL effectively reduces CO2 emissions, the integration process with conventional cement plants requires careful consideration, particularly regarding raw materials, calciners, and carbonators. Integration parameters for CaL in raw materials include average diameter and logarithmic temperature difference. At the same time, calciners and carbonators encompass heat transfer coefficient (U), calciner dimensions, carbonation factor, and mass balance post-integration with CaL. These parameters will be calculated to facilitate the integration of the CaL cycle with conventional cement plants. In this study, based on raw materials with an average diameter of 3.28 µm and the mean heat transfer coefficient between hot gas and raw materials of 4 W/m2 K, the calculated dimensions for the calciner are 9.6 m in diameter and 25 m in height. Since the plant studied has two preheater strings, two carbonator units are also required. The size of each carbonator is 4.75 m in diameter with a length of about 40 m, so it has a total volume approximately equal to the volume of the calciner to provide a longer residence time for particles.
INCREASING RED CHILLI PLANT PRODUCTIVITY THROUGH OPTIMAL FERTILIZATION MANAGEMENT: PENINGKATAN PRODUKTIVITAS TANAMAN CABAI MERAH MELALUI MANAJEMEN PEMUPUKAN YANG OPTIMAL Aulia, Tia
UPMI Proceeding Series Vol. 2 No. 2 (2024): OKTOBER 2024
Publisher : LPPM UPMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55751/ups.v2i2.337

Abstract

The productivity of red chili plants (Capsicum annuum L.) is a key factor in the successful cultivation of this horticultural commodity. Although the demand for red chili continues to increase, its productivity is still not optimal in various regions, which is largely due to inappropriate fertilization management. This study aims to examine and identify optimal fertilization management strategies to increase the productivity of red chili plants. Through the literature study method, this study analyzed various literature discussing the types of fertilizers, doses, application times, and effective fertilization techniques for red chili plants. The results of the analysis show that the use of fertilizers that are appropriate to plant needs, combined with appropriate application techniques, can significantly increase the growth and yield of red chili. This study concludes that optimal fertilization management, which includes selecting the right type of fertilizer, appropriate dose, and effective application time, is an important factor in increasing the productivity of red chili plants. The recommendations generated from this study are expected to be a practical guide for farmers in their efforts to increase the yield of red chili cultivation sustainably and efficiently.
Characteristics of the population and habitat of Chairophon plicatus in Lowo Cave, Gresik Regency Pratama, Muhammad Iqbal; Aulia, Tia
Genbinesia Journal of Biology Vol. 1 No. 2 (2022): March 2022
Publisher : Generasi Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55655/genbinesia.v1i2.14

Abstract

Bats are one of the animals that have great environmental services. Habitat destruction is one of the reasons for the reduction in the number of bats. the study of the habitat and population of bats is important considering the damaged habitat. This research was conducted by using the caving technique and sex comparison analysis. These cave-dwelling bats occupy a humid location, lack of light and temperatures ranging from 34°C. cave-dwelling bats are dominated by females.
Pengaruh Pemberian Pupuk Dolomit dan SP-36 Terhadap Pertumbuhan dan Perkembangan Tanaman Cabai Merah (Capsicum annum L.) Aulia, Tia; Harahap, Rahmaniah; Miyarnis, Miyarnis
JURNAL AGROPLASMA Vol 12, No 2 (2025): Vol 12, No 2 (2025): (JURNAL AGROPLASMA VOLUME 12 NO 2 TAHUN 2025)
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v12i2.7575

Abstract

This study aims to determine the effect of dolomite and SP-36 fertilizer on the growth and production of red chili plants (Capsicum annum L.). The hypothesis tested in this study is the existence of a single response to dolomite and SP-36, as well as the interaction of both on the growth and production of red chili. The study was conducted from May to July 2024 at the experimental garden of the Faculty of Agriculture, Indonesian Community Development University (UPMI) Medan, using a factorial Randomized Block Design (RAK) with two factors: (1) Dolomite with three levels (D0 = without dolomite, D1 = 5 g/plot, D2 = 10 g/plot) and (2) SP-36 with three levels (S0 = without SP-36, S1 = 4.03 g/plot, S2 = 6.03 g/plot), with 9 treatment combinations. The results showed that dolomite administration had a very significant effect on the number of branches, fruit weight of sample plants, and fruit weight per plot, but was not significant on plant height and number of leaves at all observation ages. The treatment of dolomite 10 g/plot (D2) gave the best results for most parameters compared to the control (D0) and a dose of 5 g/plot (D1). The application of SP-36 fertilizer also had a very significant effect on the weight of the sample plant fruit and the weight of fruit per plot, but was not significant on plant height, number of leaves, and number of branches. The treatment of SP-36 at a dose of 6.03 g/plot (S2) showed the best results on several growth and production parameters. The interaction between dolomite and SP-36 had a very significant effect on the number of branches and weight of fruit per plot, but was not significant on other vegetative parameters. This study shows that the application of dolomite and SP-36 fertilizers significantly increases the production of red chili plants, especially in terms of the number of branches and fruit weight, with optimal doses of dolomite 10 g/plot and SP-36 6.03 g/plot. Keywords: dolomite fertilizer, SP-36, red chili
Co-Authors Darmanto, Prihadi Setyo Firman Bagja Juangsa Fitriyanti, Suci Ghita Ghaida Permatasari, Raden Dewi Harahap, Rahmaniah Mahadiansar, Mahadiansar Miyarnis Miyarnis Prahmana, Rico Aditia Pratama, Muhammad Iqbal Syuzairi, Mohammad Walad, Khoeril