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Neutralisation of acidic wastewater using geopolymer binders from palm oil fuel ash and fly ash
International Journal of Sustainable Engineering, Vol 19, Iss 1 (2026) | ISSN: 1939-7046
Acidic industrial wastewater requires effective pH adjustment prior to discharge or reuse. The use of unground biomass ash as a geopolymer binder offers potential benefits in reducing processing energy and costs while promoting industrial waste utili...
Repositori Institusi
Coal Fuel Efficiency with Mixed Palm Shell Biomass for Steam Power Plant
The accumulation of coal-based fuels is depleting and to obtain coal fuel requires a great amount of money, as a corollary, measures must be taken to reduce the usage of this fuel. PT. Pembangkit Jawa Bali (PJB) is currently investigating the co-firi...
Repositori Institusi
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Repositori Institusi
Pengaruh Variasi Perbandingan Alkali Dengan Fly Ash Pada Naoh 10 Molar Terhadap Kuat Tekan Beton Geopolimer
Thesis
Beton geopolimer merupakan jenis beton dengan bahan penyusun utamanya
menggunakan material yang banyak mengandung silica dan alumina. Salah satu
material yang banyak mengandung silica dan alumina terdapat pada fly ash yang
merupakan sisa pembakara...
Repositori Institusi
Managing the productivity of smallholder oil palm plantations through cultural transformation and partnership approach
-Riau Province has the largest oil palm plantation in Indonesia. Most of the plantations are smallholder
oil palm plantations. Unfortunately, the productivity of the smallholder oil palm plantations seems much lower
than that of corporation oil pal...
Repositori Institusi
Managing the productivity of smallholder oil palm plantations through cultural transformation and partnership approach
Riau Province has the largest oil palm plantation in Indonesia. Most of the plantations are smallholder
oil palm plantations. Unfortunately, the productivity of the smallholder oil palm plantations seems much lower
than that of corporation oil palm...
Repositori Institusi
Pengaruh Kuat Tekan Beton Mutu Tinggi Dengan Variasi Substitusi Fly Ash Dan Penambahan Zat Aditif Mastersure® 1007
Thesis
Fly ash merupakan limbah padat yang dihasilkan dari proses produksi pembakaran
batu bara. Fly ash dapat digunakan sebagai material substitusi pada semen.
MasterSure® 1007 merupakan bahan tambah kimia yang memperlambat waktu ikat
semen karena kand...
Repositori Institusi
Modul pembelajaran Kimia SMA kelas X: bentuk Molekul
Pada modul ini akan dipelajari bagaimana memperkiran bentuk molekul suatu senyawa dengan menggunakan teori Valence Shell Electron Pair of Repulsion (VSEPR) dan Teori Domain Elektron dan mengaitkan dengan sifat fisik suatu senyawa terutama titik didih...
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Korelasi Kadar Fly Ash Dengan Penambahan Zat Aditif Masterglenium Ace 8595 Terhadap Kuat Tekan Beton
Thesis
Beton merupakan bahan konstruksi yang penting digunakan pada struktur bangunan. Superplasticizer adalah zat aditif yang meningkatkan karakteristik beton pada berbagai variasi mutu beton. Salah satunya penggunaan bahan tambahan zat aditif Mastergleni...
Repositori Institusi
DAMPAK PERKEBUNAN KELAPA SAWIT TERHADAP KEANEKARAGAMAN SPESIES TUMBUHAN TROPIKA (STUDI KASUS : PROVINSI RIAU)
Oil palm expansion that occurred in Indonesia become the concern today. The expansion of
oil palm plantations is a major contribution to the national economy. However oil palm
plantations is claimed as the cause of the destruction of primary forest...
Repositori Institusi
Study on the commitment of oil palm companies to achieve sustainable agriculture in Riau Province from the perspective of pesticide use
ISSN: 1755-1315
Oil palm has become the main plantation commodity in Riau Province, Indonesia. As the province with the largest oil palm plantation at around 2.7 million hectares, Riau Province has 19% of Indonesia's total oil palm plantation area. In the midst...
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The Governance of Downstream Oil Palm Development in the Technopolitan Area of Pelalawan Regency
Oil palm farms are quickly expanding in most Indonesian provinces, including Pelalawan Regency, which has a high potential for the growth of oil palm
goods. The purpose of this research is to determine the governance of oil palm downstream developme...
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Batako Quality Optimization with Addition of Palm Oil Stem Fiber from Kampar District and Dumai City
The waste of dry palm oil produced by 148 trees per hectare is 3,108 ton/month or 37,296 ton/year as calculated. Riau province has oil palm plantations covering an area of 2.399.172 hectares (BPS Riau Province, 2014). It can be estimated the amount o...
Repositori Institusi
Comparison of Cellular Lightweight Concrete With Addition of Palm Oil Midribs
Riau Province, Indonesia, has oil palm plantations that continue. Based on statistical data (BPS Indonesia, 2017) in 2016 the area of oil palm plantations in Riau province was 2,430,500 hectares and the potential for large oil palm midrib waste. In o...
Repositori Institusi
Kontribusi Produksi Cellular Lightweight Concrete Serat Limbah Pelepah Kelapa Sawit Terhadap Emisi CO2
The vast palm oil plantations in Riau province which are 2,430,500 hectares (BPS Indonesia, 2017) have great potential as a provider of CPO (Crude Palm Oil) and other by-products and include waste. The midrib is always lowered along with the decrease...
Repositori Institusi
Pengaruh Variasi Molaritas NaOH Terhadap Kuat Tekan Beton Geopolimer
Thesis
Beton geopolimer merupakan beton tanpa semen yang menggunakan fly ash
sebagai binder. Kepekatan larutan aktivator berupa NaOH dan Na2SiO3 dapat
memengaruhi daya ikat fly ash terhadap agregat dan nilai kekuatan beton
geopolimer. Peningkatan nilai m...
Repositori Institusi
Wadah dari tempurung kelapa di dalam perahu Punjulharjo
Container is one of man’s living tools which has a function where everything hard or soft, fluid or certain seeds will be placed. Based on its function, container uses spesific materials like clay, leaves and fruits which have big and strong seeds....
Repositori Institusi
PENGARUH PEMBERIAN PUPUK ROCK PHOSPHATE TERHADAP PRODUKSI TANDAN BUAH SEGAR (TBS) KELAPA SAWIT (Elaeis guineensis. Jacq)
This study aimed to determine the effect of rock phosphate fertilizer with various
doses of the production of oil palm fresh fruit bunches. Results from this study is the final
conclusion of phosphate rock fertilizer does not affect the measurement...
Repositori Institusi
Pengurangan Emisi CO2 dari Pemanfaatan Limbah Pelepah Kelapa Sawit pada Produksi Batako Serat
Limbah pelepah kelapa sawit selama ini masih belum dimanfaatkan, sehingga berpotensi menyumbangkan emisi CO2 ke udara. Luas perkebunan kelapa sawit yang ada di provinsi Riau tahun 2015 adalah 2.400.900 hektar dan pada tahun 2016 meningkat sebesar 2.4...