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  1. Effect of resin coating on highly viscous glass ionomer cements: A dynamic analysis
    Yap AU, Ong JE, Yahya NA
    J Mech Behav Biomed Mater, 2021 01;113:104120.
    PMID: 33086137 DOI: 10.1016/j.jmbbm.2020.104120
    OBJECTIVES: This study determined the effects of self-adhesive resin coatings on viscoelastic properties of highly viscous glass ionomer cements (HVGICs) using dynamic mechanical analysis.

    MATERIALS AND METHODS: The HVGICs evaluated were Zirconomer [ZR] (Shofu), Equia Forte [EQ] (GC) and Riva [RV] (SDI). Sixty specimens (12mm x 2mm x 2mm) of each material were fabricated using customized Teflon molds. After initial set, the specimens were removed from their molds, finished, measured and randomly divided into 3 groups of 20. Half the specimens in each group were left uncoated while the remaining half was covered with the respective manufacturers' resin coating. The specimens were subsequently conditioned in distilled water, artificial saliva or citric acid at 37°C for 7 days. The uncoated and coated specimens (n=10) were then subjected to dynamic mechanical testing in flexure mode at 37°C with a frequency of 0.1 to 10Hz. Storage modulus, loss modulus and loss tangent data were subjected to normality testing and statistical analysis using one-way ANOVA/Scheffe's post-hoc test and Ttest at significance level p<0.05.

    RESULTS: Mean storage modulus ranged from 1.39 ± 0.36 to 10.80 ± 0.86 GPa while mean loss modulus varied from 0.13 ± 0.03 to 0.70 ± 0.14 GPa after conditioning in the different mediums. Values for loss tangent ranged from 39.4 ± 7.75 to 213.2 ± 20.11 (x10 -3 ). Significant differences in visco-elastic properties were observed between mediums and materials. When conditioned in distilled water and artificial saliva,storage modulus was significantly improved when ZR, EQ and RV were uncoated. Significantly higher values were, however, observed with resin coating when the materials were exposed to citric acid.

    CONCLUSION: The visco-elastic properties of HVGICs were influenced by both resin coating and chemical environment.

    Matched MeSH terms: Water*
  2. Integrated application of upflow anaerobic sludge blanket reactor for the treatment of wastewaters
    Latif MA, Ghufran R, Wahid ZA, Ahmad A
    Water Res, 2011 Oct 15;45(16):4683-99.
    PMID: 21764417 DOI: 10.1016/j.watres.2011.05.049
    The UASB process among other treatment methods has been recognized as a core method of an advanced technology for environmental protection. This paper highlights the treatment of seven types of wastewaters i.e. palm oil mill effluent (POME), distillery wastewater, slaughterhouse wastewater, piggery wastewater, dairy wastewater, fishery wastewater and municipal wastewater (black and gray) by UASB process. The purpose of this study is to explore the pollution load of these wastewaters and their treatment potential use in upflow anaerobic sludge blanket process. The general characterization of wastewater, treatment in UASB reactor with operational parameters and reactor performance in terms of COD removal and biogas production are thoroughly discussed in the paper. The concrete data illustrates the reactor configuration, thus giving maximum awareness about upflow anaerobic sludge blanket reactor for further research. The future aspects for research needs are also outlined.
    Matched MeSH terms: Water Pollutants/isolation & purification*
  3. The effect of hydraulic retention time on granular sludge biomass in treating textile wastewater
    Muda K, Aris A, Salim MR, Ibrahim Z, van Loosdrecht MC, Ahmad A, et al.
    Water Res, 2011 Oct 15;45(16):4711-21.
    PMID: 21714982 DOI: 10.1016/j.watres.2011.05.012
    The physical characteristics, microbial activities and kinetic properties of the granular sludge biomass were investigated under the influence of different hydraulic retention times (HRT) along with the performance of the system in removal of color and COD of synthetic textile wastewater. The study was conducted in a column reactor operated according to a sequential batch reactor with a sequence of anaerobic and aerobic reaction phases. Six stages of different HRTs and different anaerobic and aerobic reaction time were evaluated. It was observed that the increase in HRT resulted in the reduction of organic loading rate (OLR). This has caused a decrease in biomass concentration (MLSS), reduction in mean size of the granules, lowered the settling ability of the granules and reduction of oxygen uptake rate (OUR), overall specific biomass growth rate (ìoverall), endogeneous decay rate (kd) and biomass yield (Yobs, Y). When the OLR was increased by adding carbon sources (glucose, sodium acetate and ethanol), there was a slight increase in the MLSS, the granules mean size, ìoverall, and biomass yield. Under high HRT, increasing the anaerobic to aerobic reaction time ratio caused an increase in the concentration of MLSS, mean size of granules and lowered the SVI value and biomass yield. The ìoverall and biomass yield increased with the reduction in anaerobic/aerobic time ratio. The HRT of 24 h with anaerobic and aerobic reaction time of 17.8 and 5.8 h respectively appear to be the best cycle operation of SBR. Under these conditions, not only the physical properties of the biogranules have improved, the highest removal of color (i.e. 94.1±0.6%) and organics (i.e. 86.5±0.5%) of the synthetic textile dyeing wastewater have been achieved.
    Matched MeSH terms: Water Pollutants/metabolism*
  4. Fulltext Status of water quality subject to sand mining in the kelantan river, kelantan
    Peck Yen T, Rohasliney H
    Trop Life Sci Res, 2013 Aug;24(1):19-34.
    PMID: 24575239 MyJurnal
    This paper aimed to describe the effects of sand mining on the Kelantan River with respect to physical and chemical parameter analyses. Three replicates of water samples were collected from five stations along the Kelantan River (November 2010 until February 2011). The physical parameters included water temperature, water conductivity, dissolved oxygen (DO), pH, total dissolved solids (TDS), total suspended solids (TSS) and turbidity, whereas the chemical parameters included the concentration of nitrogen nutrients such as ammonia, nitrate and nitrite. The Kelantan River case study revealed that TSS, turbidity and nitrate contents exceed the Malaysian Interim National Water Quality Standard (INWQS) range and are significantly different between Station 1 (KK) and Station 3 (TM). Station 1 has the largest variation of TDS, TSS, turbidity and nitrogen nutrients because of sand mining and upstream logging activities. The extremely high content of TSS and the turbidity have caused poor and stressful conditions for the aquatic life in the Kelantan River.
    Matched MeSH terms: Water; Water Quality
  5. Fulltext The Influence of Heavy Metals and Water Parameters on the Composition and Abundance of Water Bugs (Insecta: Hemiptera) in the Kerian River Basin, Perak, Malaysia
    Ishadi NA, Rawi CS, Ahmad AH, Abdul NH
    Trop Life Sci Res, 2014 Dec;25(2):61-79.
    PMID: 27073600 MyJurnal
    The hemipteran (Insecta) diversity in the upper part of the Kerian River Basin was low with only 8 families and 16 genera recorded at 4 study sites from 3 rivers. Water bug composition varied among sampling sites (Kruskal-Wallis χ (2) = 0.00, p<0.05) but was not affected by wet-dry seasons (Z = 0.00, p>0.05). All recorded water parameters were weakly associated with generic abundance but the biochemical oxygen demand (BOD), chemical oxygen demand (COD), Water Quality Index (WQI) and heavy metals (zinc and manganese) showed relatively strong positive or negative relations with hemipteran diversity and richness (H' and R2). Within the ranges of measured water parameters, the WQI was negatively associated with hemipteran diversity and richness, implying the tolerance of the water bugs to the level of pollution encountered in the river basin. Based on its highest abundance and occurrence (ISI), Rhagovelia was the most important genus and along with Rheumatogonus and Paraplea, these genera were common at all study sites. In conclusion, habitat availability and suitability together with some environmental parameters influenced the abundance and composition of hemipterans in this river basin.
    Matched MeSH terms: Water; Water Quality
  6. Fulltext Using Non-supervised Artificial Neural Network for Determination of Anthropogenic Disturbance in a River System
    Rosli NRM, Yahya K
    Trop Life Sci Res, 2017 Jul;28(2):189-199.
    PMID: 28890770 MyJurnal DOI: 10.21315/tlsr2017.28.2.14
    The study of river water quality plays an important role in assessing the pollution status and health of the water bodies. Human-induced activities such as domestic activities, aquaculture, agriculture and industries have detrimentally affected the river water quality. Pinang River is one of the important rivers in Balik Pulau District that supplies freshwater for human consumption. A total of 442 physical and chemical parameters data of the Pinang River, Balik Pulau catchment were analysed to determine the sources of pollutants entering the river. Non-supervised artificial neural network (ANN) was employed to classify and cluster the river into upstream, middle-stream and downstream zones. The monitored data and non-supervised ANN analysis demonstrated that the source of nitrate was derived from the upper part of the Pinang River, Balik Pulau while the sources of nitrite, ammonia and ortho-phosphate are predominant at the middle-stream of the river system. Meanwhile, the sources of high total suspended solid and biological oxygen demand were concentrated at the downstream of the river.
    Matched MeSH terms: Fresh Water; Water Quality
  7. Fulltext Detection of Hartmannella sp, a free-living amoeba from Sungai Setiu, Terengganu
    Mat Amin N, Najmiah Mustaffa N, Md Arshad N
    Trop Biomed, 2004 Dec;21(2):77-80.
    PMID: 16493402
    Hartmannella sp is one of the free-living amoebae that have the ability to infect animal tissues because it has been found in human's nasal mucosa, dog's bronchial and turkey's intestine. Treatment for diseases inflicted by free-living amoebae is difficult because most of them infect and damage the host's tissues, so preventive measures are better to take rather than to cure the diseases. In this study, water taken from several stations namely Kampung Padang, Kampung Besut, Ibu Bekalan Setiu, Kampung Tasik, Kampung Guntung, Kampung Nyatoh, Kampung Penarik and Kampung Mangkok) along Sungai Setiu, Terengganu was examined for the presence of Hartmannella sp. The results of this study indicated that only Ibu Bekalan Setiu station was found positive to have the amoeba. Detail results on the water quality and nutrient contents measured in relation to the distribution of the amoeba at Ibu Bekalan Setiu station are presented and discussed.
    Matched MeSH terms: Water; Water Quality
  8. Fulltext Non-linear analysis of water thrust on Bakun concrete faced rockfill dam
    Ahmad, M.H., Norzaie, J., Al Qbadi, F., Daniel, B.D.
    ASM Science Journal, 2009;3(1):17-26.
    MyJurnal
    The functions of dams are for water supply, flood control and hydroelectric power generation. A concrete faced rockfill dam (CFRD) is preferred by dam consultants due to its many advantages. It is designed to withstand all applied loads, namely gravity load due to its massive weight and hydrostatic load due to water thrust from the reservoir. The structural response of the Bakun CFRD which is the second highest dam in the world after the Shuibuya Dam, was analyzed using finite element method. A two-dimensional plane strain finite element analysis of the non-linear Duncan-Chang hyperbolic model was used in the study of the dam in respect to the deformation and stresses of the main dam of Bakun CFRD project. The Dead-Birth-Ghost element technique was used to simulate sequences of the construction of the dam. The comparison of rigid and flexible foundation on the behaviour of the dam is discussed in this study. In the finite element modeling, the concrete slab on the upstream was represented through a six-noded element, while the interface characteristic between the dam body and the concrete slab was modeled using an interface element. The maximum settlement and stresses of the cross-section were found and their distribution was discussed and tabulated in the form of contours. The effect of reservoir filling loading had a gradual effect on the dam response behaviour. Comparisons with no water impoundment in the dam were also discussed.
    Matched MeSH terms: Water; Water Supply
  9. Fulltext Preparation and characterization of glass-ceramic synthesized from soda lime glass and wastewater sludge
    Zaidan Abdul Wahab, Syaharudin Zaibon, Khamirul Amin Matori, Norfarezah Hanim Edros, Thai, Ming Yeow, Mohd Zul Hilmi Mayzan, et al.
    Pertanika Journal of Science & Technology, 2010;18(2):-.
    MyJurnal
    This paper reports an alternative method for making glass-ceramic from disposal waste water
    sludge and soda lime silica (SLS) glass. The glass ceramic samples were prepared from a mixture
    of wastewater sludge and SLS glasses, melted at 1375°C for 3 hours and quenched by pouring into
    water to obtain a coarse frit. The frit glass was then crushed and sieved to 106μm before it was
    pressed to a pellet. The sintering process was performed at various temperatures between 700-
    1000°C for 2 hours and morphologically characterized with XRD, SEM, and EDX. Overall results
    showed the crystalline phase of diopside sodian-critobalite glass-ceramic is depending on thermal
    treatment process and making them attractive to industrial uses such as in construction, tiling, and
    glass-ceramic applications.
    Matched MeSH terms: Water; Waste Water
  10. Fulltext An Experimental Study of Briquetting Process of Torrefied Rubber Seed Kernel and Palm Oil Shell
    Hamid MF, Idroas MY, Ishak MZ, Zainal Alauddin ZA, Miskam MA, Abdullah MK
    Biomed Res Int, 2016;2016:1679734.
    PMID: 27419127 DOI: 10.1155/2016/1679734
    Torrefaction process of biomass material is essential in converting them into biofuel with improved calorific value and physical strength. However, the production of torrefied biomass is loose, powdery, and nonuniform. One method of upgrading this material to improve their handling and combustion properties is by densification into briquettes of higher density than the original bulk density of the material. The effects of critical parameters of briquetting process that includes the type of biomass material used for torrefaction and briquetting, densification temperature, and composition of binder for torrefied biomass are studied and characterized. Starch is used as a binder in the study. The results showed that the briquette of torrefied rubber seed kernel (RSK) is better than torrefied palm oil shell (POS) in both calorific value and compressive strength. The best quality of briquettes is yielded from torrefied RSK at the ambient temperature of briquetting process with the composition of 60% water and 5% binder. The maximum compressive load for the briquettes of torrefied RSK is 141 N and the calorific value is 16 MJ/kg. Based on the economic evaluation analysis, the return of investment (ROI) for the mass production of both RSK and POS briquettes is estimated in 2-year period and the annual profit after payback was approximately 107,428.6 USD.
    Matched MeSH terms: Water/chemistry
  11. Fulltext Heavy metal biomarker: fish behavior, cellular alteration, enzymatic reaction and proteomics approaches
    Sabullah, M.K., Ahmad, S.A., Shukor, M.Y., Gansau, A.J., Syed, M.A., Sulaiman, M.R., et al.
    International Food Research Journal, 2015;22(2):435-454.
    MyJurnal
    Due to the latest industrial development, many dangerous chemicals have been released directly or indirectly which resulted in the polluted water bodies. Water rehabilitation is an alternative way to restore the quality of water, followed by the environmental management to control the waste discharge to ensure the balance of the degradation rates or detoxifying by environmental factors. However, this process consumed a lot of time and cost. Besides, most of the metal ions, especially copper which is capable to bioaccumulate in aquatic organism and at the elevated level may cause physiological and biochemical alteration which leads to mortality. Environmental monitoring is the initial step presupposed evaluating the potential toxicity of effluent gushing at its purpose to discharge, avoiding the determining effects of contaminant in water bodies. Due to the high sensitivity of the aquatic life towards dissolving toxicant, the fish has been utilized as the biological measurement (Biomarker) to indicate the existence of toxicant exposure and/or the impact towards the evaluation of molecular, cellular to physiological level. Thus, this paper gives an overview of the manipulation of fish as a biomarker of heavy metals through behavior response, hepatocyte alteration, enzymatic reaction and proteomic studies which have proven to be very useful in the environmental pollution monitoring.
    Matched MeSH terms: Water; Water Pollution
  12. Fulltext Master-Leader-Slave Cuckoo Search with Parameter Control for ANN Optimization and Its Real-World Application to Water Quality Prediction
    Jaddi NS, Abdullah S, Abdul Malek M
    PLoS One, 2017;12(1):e0170372.
    PMID: 28125609 DOI: 10.1371/journal.pone.0170372
    Artificial neural networks (ANNs) have been employed to solve a broad variety of tasks. The selection of an ANN model with appropriate weights is important in achieving accurate results. This paper presents an optimization strategy for ANN model selection based on the cuckoo search (CS) algorithm, which is rooted in the obligate brood parasitic actions of some cuckoo species. In order to enhance the convergence ability of basic CS, some modifications are proposed. The fraction Pa of the n nests replaced by new nests is a fixed parameter in basic CS. As the selection of Pa is a challenging issue and has a direct effect on exploration and therefore on convergence ability, in this work the Pa is set to a maximum value at initialization to achieve more exploration in early iterations and it is decreased during the search to achieve more exploitation in later iterations until it reaches the minimum value in the final iteration. In addition, a novel master-leader-slave multi-population strategy is used where the slaves employ the best fitness function among all slaves, which is selected by the leader under a certain condition. This fitness function is used for subsequent Lévy flights. In each iteration a copy of the best solution of each slave is migrated to the master and then the best solution is found by the master. The method is tested on benchmark classification and time series prediction problems and the statistical analysis proves the ability of the method. This method is also applied to a real-world water quality prediction problem with promising results.
    Matched MeSH terms: Water Quality/standards*
  13. Fulltext Research on Hygiene Based on Fieldwork and Experimental Studies
    Yajima I
    Nihon Eiseigaku Zasshi, 2017;72(1):49-54.
    PMID: 28154361 DOI: 10.1265/jjh.72.49
    Several experimental studies on hygiene have recently been performed and fieldwork studies are also important and essential tools. However, the implementation of experimental studies is insufficient compared with that of fieldwork studies on hygiene. Here, we show our well-balanced implementation of both fieldwork and experimental studies of toxic-element-mediated diseases including skin cancer and hearing loss. Since the pollution of drinking well water by toxic elements induces various diseases including skin cancer, we performed both fieldwork and experimental studies to determine the levels of toxic elements and the mechanisms behind the development of toxic-element-related diseases and to develop a novel remediation system. Our fieldwork studies in several countries including Bangladesh, Vietnam and Malaysia demonstrated that drinking well water was polluted with high concentrations of several toxic elements including arsenic, barium, iron and manganese. Our experimental studies using the data from our fieldwork studies demonstrated that these toxic elements caused skin cancer and hearing loss. Further experimental studies resulted in the development of a novel remediation system that adsorbs toxic elements from polluted drinking water. A well-balanced implementation of both fieldwork and experimental studies is important for the prediction, prevention and therapy of toxic-element-mediated diseases.
    Matched MeSH terms: Water Pollutants/adverse effects; Water Pollutants/analysis; Drinking Water/adverse effects*; Drinking Water/analysis*; Water Wells*
  14. Fulltext Cadmium (Cd) removal from aqueous solution using Microwave Incinerated Rice Husk Ash (MIRHA)
    Mohamed Hasnain Isa, Shamsul Rahman Mohamed Kutty, Sri Rahayu Mohd Hussin, Nurhidayati Mat Daud, Amirhossein Malakahmad
    Pertanika Journal of Science & Technology, 2012;20(2):339-346.
    MyJurnal
    The presence of heavy metals in aquatic systems has become a serious problem. Heavy metals can haveadverse effects on the environment as well as on human health. As a result, much attention has beengiven to new technologies for removal of heavy metal ions from contaminated waters. In this study,Microwave Incinerated Rice Husk Ash (MIRHA), a locally available agricultural waste, was used for theremoval of Cd (as a representative heavy metal) from synthetic wastewater by batch adsorption process.The effects of pH, initial metal concentration, and contact time on Cd removal efficiency were studied.pH 4 was found to be the optimum. The removal efficiency was found to be correlated with the initialmetal concentration and contact time between adsorbent and adsorbate. Cd adsorption kinetics followedthe pseudo-second-order model and implied chemisorption. The adsorption equilibrium of Cd can bewell described by the Freundlich isotherm model.
    Matched MeSH terms: Water Pollution; Waste Water
  15. "REPORT ON THE OUTBREAK OF CHOLERA IN MALACCA, 1963 BY THE COMMITTEE OF ENQUIRY APPOINTED BY THE CABINET": A CRITICAL REVIEW
    SANDOSHAM AA
    Med J Malaysia, 1964 Jun;18:276-80.
    PMID: 14199446
    Matched MeSH terms: Water Pollution*
  16. Fulltext Impact of landfills on groundwater in Selangor, Malaysia
    Suratman, S., Tawnie, I., Sefei, A.
    ASM Science Journal, 2011;5(2):101-107.
    MyJurnal
    A study to determine the impact of leachate from operating and closed landfills into the surface water and groundwater systems in the state of Selangor was conducted in the year 2009. Groundwater was a major source of water for various uses in Selangor, Malaysia and was especially important for industrial purposes. The presence of high numbers of landfill sites was seen to have increased the risk of groundwater contamination. There were 20 landfill sites in the state of Selangor and seven of them were still operating and 13 closed. The landfills are classified into four categories, which were: (a) landfills operating at critical stages without controls to prevent pollution into the environment; (b) open dumpsites that have the capacity to continue to accept waste but needed to be upgraded to manage leachate and gas; (c) landfills that were closed but no safety closure plan was carried out; and (d) engineered landfills with up to date technologies. As most of the landfills were built prior to 1989, they were not subjected to the Environmental Impact Assessment requirements, hence, they were being poorly managed and were badly sited. The non-engineered sites had no proper pollution controls such as cover materials, liner materials, groundwater monitoring wells, leachate collection ponds and treatment, and methane gas collection pipes. This study revealed that the surface water and groundwater at and nearby the landfill sites were contaminated at various levels due to the landfill sites and operation. A comparison between the current quality of surface water and groundwater with their respective standards and background levels was carried out to survey the trend of the contamination. However, the limited financial resources hindered a very thorough investigation and restricted the number of samples collected and parameters analysed.
    Matched MeSH terms: Water; Groundwater; Water Wells
  17. Fulltext Preliminary investigation on electrochemical parameters of lake waters in and around miri city, Malaysia
    M. V. Prasanna, R. Nagarajan, A. Elayaraja, S. Chidambaram
    Pertanika Journal of Science & Technology, 2014;22(1):329-335.
    MyJurnal
    Surface water samples were collected from 16 Lakes in and around Miri City to assess the electrochemical parameters includes pH, Electrical conductivity (EC), Total dissolved solid (TDS), redox potential (Eh), resistivity and salinity. Sampling locations for monitoring were selected in the vicinity of major roads, industries, settlements and agricultural region. Interpretation of data shows that the surface water in the central region of the study area is polluted by various anthropogenic activities, while in the southern part is within the limits of guideline values. This kind of investigation is essential in the study area to save the resources for future perspective. Further detailed studies are also needed to get a clear picture of the surface water quality in Miri city and for future sustainable management of this resource.
    Matched MeSH terms: Water; Water Quality
  18. AN OUTBREAK OF CHOLERA IN MALACCA
    MAHONY BJ, MORAN JG
    J R Army Med Corps, 1964;110:13-4.
    PMID: 14125191
    Matched MeSH terms: Water Pollution*
  19. Subcritical water extraction of low methoxyl pectin from pomelo (Citrus grandis (L.) Osbeck) peels
    Liew SQ, Teoh WH, Tan CK, Yusoff R, Ngoh GC
    Int J Biol Macromol, 2018 Sep;116:128-135.
    PMID: 29738869 DOI: 10.1016/j.ijbiomac.2018.05.013
    Low methoxyl (LM) pectin was extracted from pomelo peels using subcritical water in a dynamic mode. The effects of pressure and temperature were analyzed through a face-centred central composite design. Extraction yield and the rate of extraction were found to be predominantly influenced by temperature. Optimization of the subcritical water extraction (SWE) yielded an optimized operating condition of 120°C and 30bar with a predicted pectin yield of 18.8%. The corresponding experimental yield was 19.6%, which is in close agreement with the predicted data. The pectin obtained from the optimized condition was further analyzed for its physicochemical properties. The kinetics of the SWE was also evaluated whereby the one-site kinetic desorption model was found to be in good agreement with experimental data (R2>0.94).
    Matched MeSH terms: Water/chemistry*
  20. Fulltext Optimized parameters of wastewater treatment system using fuzzy control
    Ilanur Muhaini Mohd Noor, Muhamad Kamal Mohammed Amin
    Journal of Advanced Research in Applied Sciences and Engineering Technology, 2017;5(2):27-35.
    MyJurnal
    This paper aim is to design an education kit for wastewater system that can maintain
    the standard parameters of neutralized wastewater by maintaining the suitable pH
    (Potential Hydronium) level and temperature of the wastewater from industry by using
    fuzzy controller. This study is capable to control the unwanted bacteria by automatic
    regulatory and monitoring the temperature, pH and water level. Fuzzy logic method is
    use to control and monitor pH level as well as the temperature during clarifying process
    because pH control process is a complex physical-chemistry process of strong
    individuality of time-varying and non-linearity properties. Pumps used in the prototype
    need to be controlled precisely to enable either acid or base to be pumped into mix
    tank of the wastewater treatment. The control and monitoring system, which has been
    designed through LabVIEW front panel will ease end user in inspection of the
    parameters involve in wastewater treatment. The entire system output could be
    observed remotely in Data Dashboard application in smartphone or tablet. The GUI
    was designed and interfaced with the prototype constructed to carry out the process
    of controlling and monitoring the required parameters. Few tests were conducted
    repetitively to analyse the performance of the system parameters. It was found that
    the controlled set point fixed within the range of pH 7.6-8.4, temperature 25-29.44
    Celsius and water level of 20cm in this research that was effectively achieved in the
    entire test conducted. In addition, the wastewater system accuracy and performance
    is 96.72% and 90.22% respectively.
    Matched MeSH terms: Water; Waste Water
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