Comparisons of Packing Materials in On-Site Wastewater Treatment System

2006 ◽  
Vol 1 (3) ◽  
Author(s):  
Sylvaine Chabaud ◽  
Yves Andres ◽  
Abdel Lakel ◽  
Pierre Le Cloirec
Keyword(s):  
Wastewater Treatment ◽  
Organic Pollutant ◽  
Treatment Plant ◽  
Dissolve Oxygen Concentration ◽  
Sand Filters ◽  
Packing Materials ◽  
Chemical Pollutant ◽  
Pollution Removal ◽  
Biofilm Development ◽  
Physical And Chemical

Numerous biological, physical and chemical parameters are involved in retention and removal of chemical pollutant and bacteria in wastewater treatment systems. Biofilm presence was often cited for its influence in these mechanisms. Sandy soil is the most used packing material in wastewater treatment study and little information is available for the other soil. The objectives of this study were to compare purification efficiency of packing materials (soil) and to allow a better understanding in purification mechanisms in one-site wastewater treatment. Our work focused on water pollution removal and biofilm development. For this purpose, four experimental reactors were packed with sand and silt suitable for on-site wastewater treatment plant. They were dosed with septic effluent at loads of 5 and 12 cm/j for sand and 2 and 5 cm/j for silt. The purification performances and biofilm development were monitored on 245 for sand filters and 65 days for silt filters. Dissolve oxygen concentration from the treated effluents showed better values for the low loads and for the silt reactors. Also, organic pollutant remove by oxidation (COD and DOC) were better eliminated in the following reactors: Silt (2 cm/j) > Silt (5 cm/j) > Sand (5 cm/j) > Sand (12 cm/j). Adsorption was the mechanism of ammonium removal in silt although nitrification took part in sand. Biofilm development was observed in the first 2.5 cm and 10 cm in the sand reactors loaded at 5 and 12 cm/j respectively.

scholarly journals Decentralized wastewater treatment performance evaluation based on chemical and physical parameters at Bantul Regency, Yogyakarta

2019 ◽  
Vol 280 ◽  
pp. 03006
Author(s):  
Suphia Rahmawati ◽  
Andik Yulianto ◽  
Ahmad Traju Pangentas Wijayaningrat
Keyword(s):  
Wastewater Treatment ◽  
Treatment Plant ◽  
Domestic Wastewater ◽  
National Standard ◽  
Physical Parameters ◽  
Chemical Parameters ◽  
Oil And Grease ◽  
Physical And Chemical Parameters ◽  
Simple Technology ◽  
Physical And Chemical

Communal wastewater treatment plant (CWWTP) has been chosen as one system to treat domestic wastewater due to simple technology, flexible management, and cost-effectiveness. There are 376 CWWTP have been recorded by Environmental Agency of Yogyakarta (DLH DIY) that spread in five regencies. Monitoring results on CWWTP effluent showed that some physical and chemical parameters did not meet the domestic wastewater standard. Therefore, evaluation of removal efficiency in terms physical and chemical parameters are necessary. The samples were collected from nine CWWTP in Banguntapan, Bantul and Gamping sub-districts. The physical and chemicals parameters (pH, TSS, BOD, COD, Ammonia, oil, and grease) of influent and effluent from CWWTP are analyzed based on National Standard of Indonesia (SNI) for domestic wastewater. The results show that BOD (>70%) and TSS (>50%) have better removal effectiveness compare with COD, ammonia, oil, and grease (40%). Overall, CWWTP in Banguntapan subdistrict has better performance compare with CWWTP in Bantul subdistrict.

scholarly journals Efektivitas Pengolahan Air Limbah Domestik Grey Water Dengan Proses Biofilter Anaerob dan Biofilter Aerob (Studi Kasus: IPAL INBIS Permata Bunda, Bontang)

2020 ◽  
Vol 5 (4) ◽  
Author(s):  
Muhammad Busyairi ◽  
Nikita Adriyanti ◽  
Abdul Kahar ◽  
Dian Nurcahya ◽  
Sariyadi Sariyadi
Keyword(s):  
Wastewater Treatment ◽  
Organic Pollutant ◽  
Treatment Plant ◽  
Domestic Wastewater ◽  
Quality Standards ◽  
Quality Standard ◽  
Total Coliform ◽  
Wastewater Treatment Process ◽  
Fatty Oil ◽  
Domestic Wastewater Treatment

Domestic wastewater from non toilets is referred to as grey wastewater, domestic wastewater from bathing, washing and from the kitchen. Incubator Bisnis (INBIS) Permata Bunda is a forum for the application of entrepreneurial skills (apprenticeship) for people with disabilities residing in Kampung Aren, Bontang City, East Kalimantan. Grey wastewater treatment at INBIS Permata Bunda with a grease trap, filtration, sedimentation, anaerobic biofilter, aerobic biofilter, sedimentation and control. The research objective was to determine the effectiveness of INBIS Domestic WWTP to reduce organic pollutant loads based on the quality standard parameters of domestic wastewater from the Minister of Environment and Forestry Regulation No.P.68 of 2016 those are the parameters of pH, BOD, COD, TSS, fatty oil, ammonia, and total coliform. The domestic wastewater treatment process for grey wastewater has a reduced effectiveness ranging from 56.73% - 97.65% and has met the quality standards for the parameters, pH, BOD, COD, ammonia, fatty oil, and total coliform, but for TSS parameters and total coliform needs operational evaluation. Grey waterwater from the INBIS domestic wastewater treatment plant has the potential to become an alternative water source for watering plants (afforestation) if the processing results are in accordance with quality standards.

scholarly journals Study of Heavy Metals in the Soils of Two Localities in Dolj County

2018 ◽  
Vol 1 (1) ◽  
pp. 352-357
Author(s):  
Gilda-Diana Buzatu ◽  
Ana Maria Dodocioiu
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Wastewater Treatment ◽  
Chemical Composition ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Chemical Properties ◽  
Chemical Parameters ◽  
Physical And Chemical ◽  
And Chemical Properties

Abstract The study was conducted in two neighboring localities located in the northern county of Dolj, namely Murgasi and Bulzesti. The purpose of the study was twofold: namely, the study of heavy metal loading in order to identify possible pollution areas and to know the soil content of these localities in heavy metals in order to be able to give the verdict on the use of sludge from Craiova wastewater treatment plant as fertilizer on these soils. In order to determine the suitability of sewage sludge from the Craiova wastewater treatment plant as a fertilizer, physical and chemical properties and heavy metal content of the soils in these areas were analysed, as well as the chemical composition of sludge, according to Order 344/2004 of the Ministry of Environment and Water Management of Romania, respectively 13 physical and chemical parameters of the soils in these localities and the chemical composition of the sludge and respectively the quantity of heavy metals to be introduced annually into the soil by using it.

scholarly journals WASTEWATER TREATMENT EFFICIENCY CASE OF OXYLAG WASTEWATER TREATMENT PLANT, MHAYA (MOROCCO)

2017 ◽  
Vol 5 (3) ◽  
pp. 167-173
Author(s):  
Bouhlal A. ◽  
Chahlaoui A. ◽  
Bouzid J. ◽  
Farhaoui M.
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Domestic Wastewater ◽  
Treatment Efficiency ◽  
High Purification ◽  
Nominal Capacity ◽  
The Subject ◽  
Pollution Removal

The wastewater from the urban commune of Mhaya (Morocco) was rejected directly into Ben Kazza river without treatment. This situation caused a widespread, massive, varied and insidious pollution of the environment. A wastewater treatment plant (WWTP) has been constructed in 2010 in order to preserve the nature surrounding the center. Called Oxylag, the plant has a nominal capacity of 6000 Equivalent Inhabitants. It is based on intensive treatment and it is considered as pilot and unique in Morocco. The treatment is consisting on three basins ventilated by insufflation of artificial air and a basin of finishing. The present study aim is the assessment of the purification performance of this plant during 2012, through the analysis of the pollution parameters (COD, BOD5 and TSS), which is the subject of the Moroccan standards on the quality of domestic wastewater defined by the decree Number 1607-06 of 25 July 2006. The results show a high purification performance in terms of carbon pollution removal (93% for BOD5, 79% for COD and 64% for TSS).

scholarly journals Pollution and Sustainability Indices for Small and Medium Wastewater Treatment Plants in the Southwest of Spain

Water ◽  
2019 ◽  
Vol 11 (3) ◽  
pp. 543
Author(s):  
M. I. Fernández-Fernández ◽  
Pedro T. Martín de la Vega ◽  
Miguel A. Jaramillo-Morán
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plants ◽  
Geographical Area ◽  
Treatment Plant ◽  
Performance Parameters ◽  
Pollution Load ◽  
Significant Information ◽  
Food Industries ◽  
High Pollution ◽  
Pollution Removal

Two indices have been defined in this work to measure the pollution load that a Wastewater Treatment Plant (WWTP) receives and the efficiency of the process it carries out from the overall perspective of pollution removal and energy efficiency. The aim is to provide two performance parameters which could be used to characterize both the working conditions of a WWTP and how well it treats the pollution it receives. In this way, they may be used to compare the behavior of different plants in a certain geographical area. Forty-five WWTPs in the Southwest of Spain were studied to find out the most significant information that is to be used to identify and define both indices. Seven of the variables recorded were used to define each one. Their values were calculated for the whole set of plants studied. The results showed that most of the plants received a low pollution load. Only six of them suffered from a high pollution load, probably because of farms and food industries located in their surroundings. Only three plants showed a poor efficiency, while 23 of them presented a very good one.

scholarly journals OPTIMIZATION OF THE ANAEROBIC DIGESTION PROCESS BY USING MULTI-CRITERIA ANALYSIS

2019 ◽  
pp. 001
Author(s):  
Milica Ivanovic ◽  
Gordana Stefanovć ◽  
Predrag Rajkoć ◽  
Biljana Milutinovć
Keyword(s):  
Mathematical Model ◽  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Biogas Production ◽  
Lignin Content ◽  
Treatment Plant ◽  
Good Method ◽  
Pig Manure ◽  
Pm 10 ◽  
Physical And Chemical

Anaerobic co-digestion (AcD) of various fractions of organic wastes (OW) is a good method to solve the problem of OW management and energy recovery. The process is influenced by many factors, such as physical and chemical characteristics of the waste. This study is engaged with optimization of AcD process investigation; a mathematical model was developed, on the basis of characteristics of OW with the aim to achieve a maximum biogas production. Different fractions of OW available at the territory of the city of Niš, organic fractions of municipal waste (OFMSW), cow manure (CM), pig manure (PM), wheat straw (WS), maize silage (MS), hen manure (HM) and a  theory-calculated amount of sludge from wastewater treatment plant (WWS) were observed. By applying a multi-criteria optimization and observing a carbon, nitrogen, lipid and lignin content in OW, a mathematical model was developed. The criteria for the model were to achieve a maximum carbon and lipid content and minimize nitrogen and lignin content. Two different mixtures of OW were also examined. The first mixture included OFMSW, CM, PM, MS, HM, WS, whereas the second one included the fractions from the first mixture and sludge from the wastewater treatment plant. The results show that in the first optimal mixture there is 10% of HM, 10% PM and 10%MS, 24% OFMSW, 34%CM, and 12%WS. The share of carbon is 44.1%, nitrogen 2.4%, lipid 5.8%, and lignin 3.9%, while the C/N ratio is 17.7. The content of the second optimal mixture involves 10% of HM, 10% of PM, 10% of MS, and 10% of WWS, 23% of OFMSW, 26% of CM, and 11% of WS. Carbon content is 43.2%, nitrogen 2.7%, lipid 6.1% and lignin 4.1%, while the C/N ratio is 15.6. From the aspect of biogas production, the results showed that the first optimal mixture had 17.6% higher production than the second optimal mixture.

scholarly journals Isolation and Characterization of Bacteriophages Infecting Nocardioforms in Wastewater Treatment Plant

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Krishna Khairnar ◽  
Preeti Pal ◽  
Rajshree H. Chandekar ◽  
Waman N. Paunikar
Keyword(s):  
Wastewater Treatment ◽  
Biological Treatment ◽  
Biocontrol Agent ◽  
Treatment Plant ◽  
Treatment Method ◽  
Foam Formation ◽  
Stable Foam ◽  
Isolation And Characterization ◽  
Physical And Chemical

Activated sludge plants (ASP) are associated with the stable foaming problem worldwide. Apart from the physical and chemical treatment methods, biological treatment method has been least explored and may prove to be a novel and ecofriendly approach to tackle the problem of stable foam formation. In ASP Nocardia species are commonly found and are one of the major causes for forming sticky and stable foam. This study describes the isolation and characterization of three Nocardia bacteriophages NOC1, NOC2, and NOC3 for the control of Nocardia species. The bacteriophages isolated in this study have shown promising results in controlling foam producing bacterial growth under laboratory conditions, suggesting that it may prove useful in the field as an alternative biocontrol agent to reduce the foaming problem. To the best of our knowledge to date no work has been published from India related to biological approach for the control of foaming.

scholarly journals Willingness to Pay for Recreational Benefit Evaluation in a Wastewater Reuse Project. Analysis of a Case Study

Water ◽  
2018 ◽  
Vol 10 (7) ◽  
pp. 922 ◽  
Author(s):  
Verlicchi Paola ◽  
Al Mustafa ◽  
Zanni Giacomo
Keyword(s):  
Wastewater Treatment ◽  
Willingness To Pay ◽  
Wastewater Treatment Plant ◽  
Water Reuse ◽  
Contingent Valuation Method ◽  
Wastewater Reuse ◽  
Treatment Plant ◽  
Sand Filters ◽  
The Public ◽  
Recreational Services

The study deals with the evaluation of the recreational benefit of a reclaimed water reuse project in the municipality of Ferrara, north Italy, by means of the contingent valuation method. It also provides an analysis of the public acceptance of the project, determined by eliciting the willingness of the local people to contribute to the realization of this project in monetary terms (their willingness to pay). The project involves the upgrade of the existing wastewater treatment plant by conventional (rapid sand filters) and natural (constructed wetland) treatments. The latter will be constructed within the urban park surrounding the wastewater treatment plant area and will combine the objectives of both wastewater treatment with recreational services, since they will create equipped green areas open to the public. The study is based on the answers provided by 400 respondents, who are residents in the four districts of the municipality of Ferrara. It emerges that willingness to pay is strongly influenced by the socio-economic characteristics of the respondents, with an amount on average of 48 €/family.

scholarly journals Enhanced Pollution Removal with Heat Reclamation in a Small Hungarian Wastewater Treatment Plant

2018 ◽  
Vol 6 (3) ◽  
pp. 494-504 ◽  
Author(s):  
Viola Somogyi ◽  
Viktor Sebestyén ◽  
Zsófia Kovács ◽  
Réka H. Hargitai ◽  
Endre Domokos
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Pollution Removal
Sign in / Sign up

Export Citation Format

Share Document