scholarly journals Enhanced Performance of Concrete Composites Comprising Waste Metalised Polypropylene Fibres Exposed to Aggressive Environments

Crystals ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 696 ◽  
Author(s):  
Rayed Alyousef ◽  
Hossein Mohammadhosseini ◽  
Fahed Alrshoudi ◽  
Mahmood Md. Tahir ◽  
Hisham Alabduljabbar ◽  
...  
Keyword(s):  
Microstructural Analysis ◽  
Mutual Effect ◽  
Polypropylene Fibres ◽  
Palm Oil Fuel Ash ◽  
Fuel Ash ◽  
Waste Minimisation ◽  
Compressive Strength Of Concrete ◽  
Oil Fuel ◽  
Potential Use ◽  
Emission Of Greenhouse Gases

The utilisation of waste plastic and polymeric-based materials remains a significant option for clean production, waste minimisation, preserving the depletion of natural resources and decreasing the emission of greenhouse gases, thereby contributing to a green environment. This study aims to investigate the resistance of concrete composites reinforced with waste metalised plastic (WMP) fibres to sulphate and acid attacks. The main test variables include visual inspection, mass loss, and residual strength, as well as the microstructural analysis of specimens exposed to aggressive environments. Two sets of concrete mixes with 100% ordinary Portland cement (OPC) and those with 20% palm oil fuel ash (POFA) were made and reinforced with WMP fibres at volume fractions of 0–1.25%. The results revealed that the addition of WMP fibres decreased the workability and water-cured compressive strength of concrete mixes. The outcomes of the study suggest that the rate of sulphate and acid attacks, in terms of mass losses, was controlled significantly by adding WMP fibres and POFA. The mutual effect of WMP fibre and POFA was detected in the improvement in the concrete’s resistance to sulphate and acid attacks by the reduction in crack formation, spalling, and strength losses. Microstructural analysis conducted on the test specimens elucidates the potential use of POFA in improving the performance of concrete in aggressive environments.

scholarly journals Strength Development and Microstructural Behavior of Soils Stabilized with Palm Oil Fuel Ash (POFA)-Based Geopolymer

2021 ◽  
Vol 11 (8) ◽  
pp. 3572
Author(s):  
Isam Adnan Khasib ◽  
Nik Norsyahariati Nik Daud ◽  
Noor Azline Mohd Nasir
Keyword(s):  
Palm Oil ◽  
Soil Stabilization ◽  
Soft Soil ◽  
Microstructural Analysis ◽  
Dry Weight ◽  
Strength Development ◽  
Palm Oil Fuel Ash ◽  
Direct Shear Tests ◽  
Fuel Ash ◽  
Oil Fuel

Using geopolymer in soil stabilization has gained much attention recently due to its efficiency in improving soil properties and being environmentally friendly at the same time. This research aims to investigate the effect of palm oil fuel ash (POFA)-based geopolymer on soft soil stabilization. The mechanical and microstructural performance of two types of clay soil treated with geopolymer produce from POFA material was the focus of this study. In this respect, a series of unconfined compression and direct shear tests were conducted to investigate the mechanical properties of soils treated with POFA-based geopolymer. Furthermore, the microstructural changes in the treated samples were analyzed using field emission electron microscopy (FESEM) and energy dispersive X-ray (EDX). In accordance with the results, it was indicated that the shear strength of both soils soared by increasing the dosage of POFA-based geopolymer. Geopolymer with 40% POFA of the dry weight of soils yielded the highest UCS value at both curing periods, 7 and 28 days. Furthermore, the microstructural analysis revealed material modifications (N-A-S-H gel formation) related to strength enhancement. These results suggest the potentiality of using a POFA-based geopolymer binder to stabilize soft soil.

Compressive strength and microstructural analysis of fly ash/palm oil fuel ash based geopolymer mortar

2014 ◽  
Vol 59 ◽  
pp. 532-539 ◽  
Author(s):  
Navid Ranjbar ◽  
Mehdi Mehrali ◽  
Arash Behnia ◽  
U. Johnson Alengaram ◽  
Mohd Zamin Jumaat
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Palm Oil ◽  
Microstructural Analysis ◽  
Palm Oil Fuel Ash ◽  
Fuel Ash ◽  
Oil Fuel

Compressive strength and microstructural analysis of fly ash/palm oil fuel ash based geopolymer mortar under elevated temperatures

2014 ◽  
Vol 65 ◽  
pp. 114-121 ◽  
Author(s):  
Navid Ranjbar ◽  
Mehdi Mehrali ◽  
U. Johnson Alengaram ◽  
Hendrik Simon Cornelis Metselaar ◽  
Mohd Zamin Jumaat
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Palm Oil ◽  
Elevated Temperatures ◽  
Microstructural Analysis ◽  
Palm Oil Fuel Ash ◽  
Fuel Ash ◽  
Oil Fuel

Pemanfaatan Limbah Padat Abu Cangkang dan Serat Kelapa Sawit dari Boiler untuk Pembuatan Bata Beton Ringan

2016 ◽  
Vol 9 (2) ◽  
pp. 120-128
Author(s):  
Haspiadi Haspiadi ◽  
Kurniawaty Kurniawaty
Keyword(s):  
Compressive Strength ◽  
Solid Waste ◽  
Palm Oil ◽  
Absorption Capacity ◽  
Water Absorption Capacity ◽  
Palm Oil Fuel Ash ◽  
Foaming Agent ◽  
Fuel Ash ◽  
Palm Oil Mill ◽  
Oil Fuel

Research of  the utilization solid waste of palm oil fuel ash from boiler as row materials  for manufacturing light concrete brick has been conducted. The main objective of this study is to investigate the potential use solid waste of palm oil fuel ash from palm oil mill boilers as row materials for manufacturing light concrete brick has recently attracted for an alternative environmentally sustainable application. In this study, light concrete brick made with various proportions of palm oil fuel ash from palm oil mill boilers and sand were fabricated and studied under laboratory scales. Percentage of palm oil fuel ash of 0% as a control,  10%, 20%, 30%, 40%, 50%, 60%, replacement  sand, wheras others materials such as Portland cement, lime, gypsum, foaming agent and aluminium with the numbers constant. The quality of light concreate brick   were applied followed by the compressive strength test, density and water absorption capacity. The study discovered that the compressive strength for all composition meet the recommended value to light structural of 6.89 MPa as prescribed in SNI 03-3449-2002. In the same manner density of light concrete brick for all proportion under the maximum density recommended value of 1400 Kg/m3 according to SNI 03-3449-2002. While water absorption capacity of increased by the increasing use of ashes. Therefore, palm oil fuel ash from boiler can be used as raw material for the light concrete brick which is  environmental friendly because using solid waste and also an alternative handling solid waste.ABSTRAKPenelitian pemanfaatan limbah padat abu cangkang dan serat kelapa sawit dari boiler sebagai bahan baku pembuatan bata beton ringan telah dilakukan. Tujuan dari penelitian ini adalah pemanfaatan limbah padat abu boiler berbahan bakar cangkang dan serat sebagai bahan pembuatan bata beton ringan sebagai salah satu alternatif pengelolaan lingkungan yang bekelanjutan. Dalam penelitian ini, bata beton ringan dibuat dengan berbagai komposisi abu boiler dan pasir yang diproduksi dalam  skala laboratorium. Persentase dari abu berturut-turut 0% sebagai kontrol, 10%, 20%, 30%, 40%, 50% dan 60% mensubtitusi pasir, sedangkan bahan lain yaitu semen, kapur, gypsum,  foaming  agent serta aluminium pasta dengan jumlah tetap. Mutu bata beton ringan yang diujikan adalah kuat tekan, bobot jenis dan daya serap air. Hasil penelitian menunjukkan bahwa kuat tekan untuk semua komposisi memenuhi batas minimum yang dipersyaratkan untuk stuktural ringan yaitu 6,89 MPa sesuai SNI 03-3449-2002. Demikian pula bobot jenis dari bata ringan yang dihasilkan masih dibawah dari batas maksimum yang direkomendasikan SNI 03-3449-2002 yaitu maksimal 1400 Kg/m3. Sedangkan daya serap air mengalami kenaikan dengan naiknya jumlah abu yang digunakan . Limbah padat abu boiler berbahan bakar cangkang dan serat sawit dapat dimanfaatkan sebagai bahan baku pembuatan bata beton ringan yang ramah lingkungan dengan memanfaatkan limbah dan menjadi salah satu alternatif pengelolaan limbah. Kata kunci :  Abu cangkang kelapa sawit,  bata beton ringan, bobot jenis,  daya serap air,  limbah,  kuat tekan

scholarly journals Sustainable use of polypropylene fibers and palm oil fuel ash in the production of geopolymer concrete

2021 ◽  
Vol 1136 (1) ◽  
pp. 012046
Author(s):  
Bala Gopal Adapala ◽  
Durga Chaitanya Kumar Jagarapu ◽  
Syed Hamim Jeelani ◽  
B. Sarath Chandra Kumar ◽  
Arunakanthi Eluru
Keyword(s):  
Palm Oil ◽  
Sustainable Use ◽  
Polypropylene Fibers ◽  
Geopolymer Concrete ◽  
Palm Oil Fuel Ash ◽  
Fuel Ash ◽  
Oil Fuel

Adsorptive treatment of stabilized landfill leachate using activated palm oil fuel ash (POFA)

2019 ◽  
Author(s):  
Salahaldin M. A. Abuabdou ◽  
Ong Wei Teng ◽  
Mohammed J. K. Bashir ◽  
Ng Choon Aun ◽  
Sumathi Sethupathi
Keyword(s):  
Palm Oil ◽  
Landfill Leachate ◽  
Palm Oil Fuel Ash ◽  
Adsorptive Treatment ◽  
Fuel Ash ◽  
Oil Fuel
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