Mohamad Ali Fulazzaky

University of Technology Malaysia | UTM · Institute of Environmental & Water Resource Management

The application of Scirpus grossus (SG) fiber as a sound absorber is important to reduce the level of noise affected the physical and mental wellbeing of people. The sound absorption coefficient (SAC) and noise reduction coefficient (NRC) of the SG specimen were evaluated based on a typical model-based design using the data analysis with MATLAB. Th...

Phosphorus (P) is a vital chemical element for the growth of living beings. However, the excess of phosphorus in wastewater due to discharge by the public causes’ nutrient pollution, leading to eutrophication through algae bloom. Eutrophication causes the death of aquatic life due to the absence of oxygen in the aquatic ecosystem and spreads diseas...

Water is a primary human need that God has given to all His creatures. Water is a source of needs and fulfillment of many people's needs. The management of water resources is held by the government to be used for the welfare of citizens according to the mandate of the 1945 Constitution. The research objectives are as follows: 1. To find out and ana...

This paper reviewed the impacts of climate change on the management of the water sector in Malaysia discussing the current status of water resources, water service, and water-related disasters. The implementation of engineering practices was discussed to provide the detailed assessment of climate change impacts, risks, and adaptation for sustainabl...

Nanotechnology is the manipulation and use of materials and structures on the nanometer scale, roughly between 1 and 100 nm. Nanotechnology has invaded the agri-food industry, with many applications. Nanocomposite is one of the development technologies of Nanotechnology. Nanocomposite packaging is a polymer in which certain types of nano materials...

This study provides a comparative analysis of natural nanosilica (NSn), which is an extract of natural silica sand processed into nanosilica with commercial nanosilica (NSc) derived from semiconductor industrial waste, in 80 MPa high performance concrete (HPC). The percentage of using nanosilica is (3%, 5%, 10%, 15%) by weight of cement used direct...

Political reform and the terrible aftermath of the 2004 tsunami in Sumatra have caused a state of income inequality among the Aceh people. The aim of this study was to determine the income inequality of Aceh people using Theil index while the analysis of panel data was used to predict the relationship between income inequality and economic growth f...

The high amount of hexavalent chromium in contaminated water must be removed because it can have serious implications on human health. Prolonged exposure to hexavalent chromium can lead to kidney damage and lung cancer in humans. The adsorption of hexavalent chromium from synthetic solution onto mussel shell (MS)-incorporated polyethersulfone (PES)...

Biogranulation technology is an emerging biological process in treating various wastewater. However, the development of biogranules requires an extended period of time when treating wastewaters with high oil and grease (O&G) content. A study was therefore conducted to assess the formation of biogranules through bioaugmentation with the Serratia mar...

Excess phosphorus in water bodies stimulates algal growth and causes eutrophication. Eutrophication is one of the conditions that is a global problem in the environment and affects the quality of water in receiving water. Due to this matter, various wastewater treatment technologies have been developed to solve this problem; however, such technolog...

Understanding the degradation rate of polyethylene (PE) plastic mediated by bacterial-fungal consortium (BFC) is important to ensure an effective design process of bioremediation technology. This study aims to investigate the degradation behavior of PE plastic waste mediated by the BFC colonies using the modified mass transfer factor models to get...

1. Waste mussel shell (WMS) was collected from the riverbank area of Kampung Pasir Puteh, Pasir Gudang, Johor, Malaysia. 2. Approximately 8 kg of the WMS sample was washed with tap water for several times and then dried in an oven at 30°C for 48 h. 3. The dried WMS sample was crushed using a mortar crusher and then sieved through 1.18 mm of sieve...

Biochemical accumulation rate of Serratia marcescens SA30 to remove the oil and grease (O&G) contaminant from a wastewater can be described using the kinetic models of packed-bed column reactor (PBCR) treatment system. The aim of this study was to develop the linear and logarithmic equations for predicting the efficiency of O&G removal from food-pr...

The tropical peatland ecosystems of Indonesia provide direct economic benefits to local communities and act to maintain local weather patterns. The impact of burning tropical peat swamp forests of land clearing for palm oil plantations can have significant consequences on the change in the characteristics of peat soil. The aim of this study was to...

It is not easy to get a decent housing for low-income people (LIP) in the cities of Indonesia due to the limitation of land available for development in the urban areas allows the speculators to retain the benefits of land in an unregulated commodity business. This study aims to examine and analyze the establishment of land bank for ensuring the im...

The discharge of excessive amount of phosphorus (P) from wastewater treatment plants may trigger eutrophication in receiving waters, which threatens human health and aquatic life. Enhanced biological phosphorus removal (EBPR) promotes the removal of P from wastewater without the need for chemical precipitants. EBPR can be achieved using nitrificati...

In spite of the adsorption of a solute onto porous material that can be described using the various models, the reliability of these models supported each other needs to be verified. In this work, the adsorption of NH4+ ions from domestic wastewater treatment plant effluent (DWTPE) onto commercial granular activated carbon (CGAC) was processed both...

An excessive amount of phosphate (PO4³⁻) released from domestic wastewater treatment plant effluent (DWTPE) may trigger eutrophication of water causing a degradation of healthy aquatic ecosystem. Even though the PO4³⁻ ions can be removed from aqueous solution with an adsorption technique using the low-cost adsorbent, the adsorption kinetics of PO4³...

Tropical peatland ecosystems of Indonesia provide direct economic benefits to the local communities and act to maintain the local weather patterns. The impact of burning tropical peat swamp forests of land clearing for palm oil plantations can have significant consequences on the change in the characteristics of peat soil. The aim of this study was...

High amounts of phosphate discharged in receiving water can lead to eutrophication. Once a water body is enriched with phosphate, it can prompt the growth of plants and cause algal blooms. The water body may also lose its important functions and cause adverse effects on the environment and human health. In this study, removal of phosphate from dome...

This chapter is organized into six sections. Section 5.1 presents the introduction about mussel shell as a potential adsorbent for PO43− removal from waters. Section 5.2 gives the overview of PO43− in waters. Section 5.3 describes the physicochemical characteristic of WMS. Section 5.4 and 5.5 highlight the potential of WMS, waste oyster shell (WOS)...

This paper reviews an integrated approach involving the representative stakeholders in the development and management of water available in the Brantas River basin and provides new insights into the future water management practices toward the implementation of integrated water resources management. Overall process of governing the availability of...

The problem of water shortages faced by many countries including the country that having sufficient water source needs to be provided a practical engineering solution. The reliability analysis of rainwater harvesting system (RWHS) installed at the commercial building of AEON Taman Universiti located in Johor Barhu city of Malaysia was based on the...

The release of silver nanoparticles (AgNPs) from consumer products into an environment has become a central issue for many countries. Despite that the fate and behaviors of AgNPs incorporated into a wastewater have been investigated by building a model of wastewater treatment process, the transport and retention behaviors of AgNPs influenced by the...

The photovoltaic panel cooled by a water flowing is commonly used in the study of solar cell to generate the electrical and thermal power outputs of the photovoltaic module. A practical method is therefore required for predicting the distributions of temperature and photovoltaic panel powers over time. In this study, the second-degree polynomial mo...

The excessive amount of phosphate in domestic wastewater treatment plant effluent must be removed to protect the natural environment of healthy aquatic ecosystem. Though a number of adsorption techniques with various low-cost adsorbent have been proposed, it is still ambiguous how the iron-coated waste mussel shell properties affect the adsorption...

Leadership research tends to focus on the importance of transformational leadership in normal times; there have been few studies to date on transformational leadership in a crisis. Leadership effectiveness was identified as the most important mechanism, particularly in times of crisis. This paper aims to reflect on the President of Indonesia's cris...

The discharge of excessive amounts of phosphorus (P) from domestic wastewater treatment plant effluent is of interest in this study because the abnormally high levels of P as one of the nutrient elements can lead to eutrophication for the receiving waters. Although many methods have been proposed for the removal of P matter from industrial and muni...

Gas odorization of organosulfur is common used to detect a leakage of natural gas at city gate station. An effective method for solving breathing problem caused by smell of organosulfur needs to be understood. This study used the response surface methodology (RSM) based on central composite design (CCD) approach to deal with the design and analysis...

The release of synthetic dye into the environment causing abnormal growth of phytoplankton may lead to a decline in the photosynthetic performance of aquatic ecosystem. Scientific knowledge of Remazol Brilliant Blue R (RBBR) decolorization is essential for designing the engineered bioremediation systems of employing fungal mycelium. The biodegradat...

The current work aimed to investigate the removal mechanism of NH 4 + from wastewater treatment plant effluent (WWTPE) onto the zeolite in the plug-flow column reactor (PFCR). The adsorption process was optimised © as a function of length (2-15), time (0.5-20 202 min), and accumulation (0.05-2.4 mg/g) using response surface methodology (RSM). The o...

Understanding the corrosion rate of metallic building materials is very important to maximize their beneficial use of public facilities. Direct measurements of the weight change and corrosion rate would be time consuming and expensive. This study aims to develop new empirical models based on the experimental data of testing 25 specimens immersed in...

Detailed understanding of the membrane application is essential for the treatment of wastewater to remove organic and inorganic pollutants. Even though the membrane bioreactor (MBR) has been widely used for the removal of oil and grease (O&G) and chemical oxygen demand (COD) from wastewater, the use of MBR to remove the organic and inorganic pollut...

Site condition and bedrock depth play important roles in the determination of peak surface acceleration (PSA) values by earthquake motions. The soil parameters of shear wave velocity (Vs) and standard penetration test-number (N) value for Jakarta city are available up to 100 m below the Earth's surface even though the typical depths to bedrock are...

In this study, removal of phosphate (PO43−) from aqueous solutions using waste mussel shell (WMS) was examined. The physicochemical characteristics of WMS were identified. In the batch experiments, the effects of contact time and adsorbent dosage (m) on the PO43− adsorption by the WMS were scrutinised. The maximum PO43− removal efficiency (E) was 8...

Permanent deposition of silver nanoparticles (AgNPs) on the surface of textile fibre is essential for the long-term medical application of antibacterial textile products. This study aims to propose a new green method of using the pure leaf extract of Muntingia calabura and to create a permanent deposition of AgNPs on the fabric surfaces of cotton,...

Sky brightness data have been widely used to document the light pollution and to localise the direction of the sun during both dawn and dusk twilight. The use of the most common data analysis techniques of graphical interpretation can give less accurate final results. This study used a Sky Quality Metre to record the brightness of night sky in mag...

The use of fly ash as a cement substitute may reduce the increasing cement demand and prevents an increased emission of carbon dioxide (CO2) into the atmosphere. This study aims to produce some compositions of geopolymer paving block (GPB) using different ratios of NaOH/Na2SiO3 combined with fly ash. The empirical models were developed to predict t...

The use of precast concrete structural systems in civil engineering industry in Indonesia will still increase due to the needs of buildings and infrastructure for social and economic development continuously increase from the year to year. In spite of the use of sand accompanied with its suitable sludge content has been widely used as one of the im...

Photocatalytic degradation techniques have been widely used for the treatment of high organic content wastewater. The use of TiO 2 photocatalytic activity combined with electroflotation process to treat a wastewater is still very rare and needs to be understood. This study proposed the UV/TiO 2 /Electroflotation process as a new method for the trea...

Silver nanoparticles (AgNPs) have been used in a wide range of industrial products. The release of AgNPs as antimicrobial agent into the river or lake can raise the ecological concern because they have been proven to be associated with toxicity of the aquatic animals. An exclusive review of AgNPs adsorbed by the various synthetic and natural adsorb...

Purpose Personal management of type-2 diabetes mellitus (T2DM) is very important in preventing complications of other diseases for infected patients. We aimed to develop the mathematical models for predicting the performance of personal T2DM management. Methods We proposed three hypotheses as the basic principles to develop the fasting blood sugar...

The fundamental understanding of mass transfer kinetics is essential for biosorption of phosphorus by aerobic granular sludge (AGS) to gain an insight into biological processes regarding the treatment of wastewater with high organic load. The removal of phosphorus by AGS from palm oil mill effluent was performed in a sequencing batch reactor (SBR)...

Application of sodium ferrate (Na2FeO4) is considered as the environmental friendly and cost-effective method for oxidation, coagulation and disinfection processes of water and wastewater treatment. Even though many methods of Na2FeO4 production have been proposed, they are still a challenge for the production of large Na2FeO4 quantity. This study...

Knowing the surface functional groups and free energy of adsorption are the most important factors affecting the adsorption capacity of granular activated carbon (GAC). The dispersion and specific interactions between hydrocarbon and GAC surface must be verified. This study used the Boehm titration to quantify the surface functional groups for four...

In spite of the metal-coated nonconductive materials have been widely used in many purposes, the coating rate and adhesive force of a metal to nonconductive material need to be evaluated. This study aims to investigate the effects of NaOH, CuSO4, HCHO and immersion time on coating rate and adhesive strength of CuO coatings on the polypropylene surf...

High concentration ammonium (NH4⁺) discharges from aerated lagoon effluent (ALE) correlated to eutrophication of receiving waters. This study presents the first attempt to scrutinise the mass transfer mechanism of NH4⁺ from ALE onto the granular activated carbon (GAC) in batch and plug-flow column (PFC) studies. The GAC was characterised by BET sur...

Muslims perform the prayers facing towards the correct qibla direction would be the only one of the practical issues in linking theoretical studies with practice. The concept of facing towards the Kaaba in Mecca during the prayers has long been the source of controversy among the muslim communities to not only in poor and developing countries but a...

It is well known that workability of high performance concrete (HPC) is dependent on slump value of concrete mixture. Moreover, slump retention is the most sensitive compared to a well-known slump value because it represents the durability of concrete mixture for its applications in the field of civil engineering. This research used the polycarboxy...

Excessive amount of phosphate released from wastewater can cause eutrophication to the receiving waters. Adsorption technique has been used to remove phosphate from aqueous solutions. The use of waste mussel shell (WMS) to remove phosphate from aqueous solutions and application of several kinetic and isotherm models to describe the adsorption of ph...

The typical properties of Lightweight Concrete Pile (LCP) are low density, low strength and high porosity. Such inherent properties made use of LCP for deep foundation are still rare. In spite of Normal Concrete Pile (NCP) has been widely used in civil engineering industry, the use of LCP such as palm oil clinker concrete pile (p-LCP) and foamed co...

Understanding of mass transfer kinetics is important for biosorption of nitrogen compounds from palm oil mill effluent (POME) to gain mechanistic insight into the future biological processes for the treatment of high organic loading wastewater. In this study, the rates of global and sequential mass transfer were determined using the modified mass t...

Kinetic and mass transfer aspects of biosorption of oxidisable organic matter (OOM) from wastewater are important for better understanding of the mechanisms of granules initiation and development. The modified mass transfer factor models were used to predict the liquid-solid mass transfer rates of OOM biosorption from palm oil mill effluent (POME)...

Water balance approaches have been widely used to stimulate and forecast the average runoff and river discharge in small- and medium-sized basins. The analysis of water balance for Feesh Khabour River and Dohuk Dam catchment areas needs to be verified. This study used 24 alternative scenarios for assessing the robustness of adaptation decisions to...

It has been argued that policy reform to involve stakeholders in water management is a priority for Indonesia. Given the large allocation of water to the irrigation sector, the improved management of infrastructure and more productive use of irrigation water are important issues. If the enactments of Law No. 7/2004 on water resources and Government...

Kinetic assessment of the photoreduction of Cd(II) ions in aqueous solution is of interest and thus can most definitely help us make better measures of the scientific concepts to improving the environmental performance. This study showed that the use of titania polyvinylalcohol-alginate beads (TPVA-ABs) as photocatalyst could be effective to remove...

Introduction: Formaldehyde is a toxic, carcinogen, mutagen and teratogen compound that is widely released into the atmosphere worldwide. The toxicity effect of formaldehyde on microorganisms is a serious obstacle on the path of using biological treatment methods. The main objective of this study is to evaluate the effect of air velocity on the effi...

Knowing the photocatalytic reduction of heavy metal ions in waters is of interest and putting this to practical options for improving the environment performance. The purpose of this study was to assess effectiveness of the titania polyvinylalcohol-alginate beads (TPVAABs) as photocatalyst in the removal of Pb(II) ions from aqueous solution, compar...

Introduction: Formaldehyde is a toxic, mutagen and teratogen chemical, and it is suspected to be carcinogenic to humans. As a result, it can be classified as a noxious air pollutant which must be removed from any formaldehyde-contaminated air stream before releasing to the atmosphere. Biological methods, particularly biotrickling filtration, have r...