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    Wyświetlanie 1-11 z 11
    Tytuł:
    Natural treatment of woolen processing industry wastewater
    Autorzy:
    Qurashi, S.
    Sahu, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/10942.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    waste water
    natural treatment
    woolen processing industry
    waste water treatment
    environment protection
    public health
    industrial waste water
    chemical oxygen demand
    biological oxygen demand
    Opis:
    Wastewater treatment is becoming ever more critical due to diminishing water resources, increasing wastewater disposal costs, and stricter discharge regulations that have lowered permissible contaminant levels in waste streams. The ultimate goal of wastewater management is the protection of the environment in a manner commensurate with public health and socio-economic concerns. The aim of our study is to use natural occurring plant (Pistia stratiotes) to reduce the chemical oxygen demand and color from the industrial waste water. It was found that 120 mg/l of Chemical oxygen demand and 85 mg/l of color reduction was observed with Pistia stratiotes.
    Źródło:
    International Letters of Natural Sciences; 2014, 05
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Natural coagulant for the treatment of food industry wastewater
    Autorzy:
    Anteneh, W.
    Sahu, O.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11146.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    natural coagulant
    waste water treatment
    food industry
    industrial waste water
    coagulation
    filtration
    polymeric coagulant
    coagulant
    industrialization
    Opis:
    Wastewater treatment is becoming ever more critical due to diminishing water resources, increasing wastewater disposal costs, and stricter discharge regulations that have lowered permissible contaminant levels in waste streams. The ultimate goal of wastewater management is the protection of the environment in a manner commensurate with public health and socio-economic concerns. The aim of our study is to use natural occurring polymeric coagulant to reduce the chemical oxygen demand and color from the industrial waste water. It was found that 83 % of Chemical oxygen demand and 90 % of color reduction was observed with chitosan.
    Źródło:
    International Letters of Natural Sciences; 2014, 04
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterization of edible film from catfish (Pangasius sp.) surimi waste water with the addition sorbitol as plasticizer
    Autorzy:
    Tanjung, Muhammad Rezal
    Rostini, Iis
    Ismail, Mochamad Rudyansyah
    Pratama, Rusky Intan
    Powiązania:
    https://bibliotekanauki.pl/articles/1031688.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Pangasius
    catfish
    edible film
    sorbitol
    surimi waste water
    Opis:
    This research aims are know and determine the best concentration of sorbitol as a plasticizer that produces the best edible film characteristics. This research was conducted at Laboratorium Pengolahan Hasil Perikanan, Faculty of Fisheries and Marine Science Universitas Padjadjaran. Research began in July to August 2019. The method used was a Completely Randomized Design (CRD) with 3 treatments and 3 repeat, namely treatments A (0.4%), B (1.2%), and C (2%). The parameters measured are thickness, tensile strength, percent elongation, transparency, moisture content, and solubility. The results showed that the addition of sorbitol had a significant influence on the characteristics of edible films. The best concentration is the addition of sorbitol 1.2% with 0.079 mm thickness value, 6.09 MPa tensile strength, 111.67% elongation, 4.37% and 95.63% transparency and clear degrees, 9.20% water content, and 35.56% solubility. Edible films in this research have met The Japanese Industrial Standard (JIS).
    Źródło:
    World News of Natural Sciences; 2020, 28; 87-102
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reduction of organic and inorganic pollutant from waste water by algae
    Autorzy:
    Sahu, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/11244.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    pollutant
    reduction
    organic pollutant
    inorganic pollutant
    waste water
    alga
    Opis:
    Recently, algae have become significant organisms for biological purification of wastewater since they are able to accumulate plant nutrients, heavy metals, pesticides, organic and inorganic toxic substances and radioactive matters in their cells/bodies. Biological wastewater treatment systems with micro algae have particularly gained importance in last 50 years and it is now widely accepted that algal wastewater treatment systems are as effective as conventional treatment systems. These specific features have made algal wastewaters treatment systems an significant low-cost alternatives to complex expensive treatment systems particularly for purification of municipal wastewaters. By this method 70 % of biological oxygen demand, 66 % of chemical oxygen demand, 71 % total nitrogen, 67 % of phosphorus, 54 % volatile solid and 51 % of dissolved solid was reduced.
    Źródło:
    International Letters of Natural Sciences; 2014, 08, 1
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Natural Flood Management: A restatement of the Natural Science Evidence
    Autorzy:
    Ganiron Jr., Tomas U.
    Powiązania:
    https://bibliotekanauki.pl/articles/1114020.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Drainage
    flood
    floodwater management
    natural science
    stormwater
    waste water management
    wastewater
    Opis:
    Flood events often have severe socio-economic impacts, such as loss of lives and livelihoods, food, water and energy scarcity, and adverse impacts on human health and the environment. As far as feasible, human interference into the processes of nature should be reversed, compensated and, in the future, prevented. This study explores the possible solutions for the drainage system to ensure peak performance that might be adopted in España Boulevard, Manila. It aims to describe the wastewater management system to prevent and protect the adverse impact of flood events on human health and safety, on valuable goods and property, and on the aquatic and terrestrial environment.
    Źródło:
    World News of Natural Sciences; 2017, 12; 92-106
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water quality challenges and impact
    Autorzy:
    Obilonu, A.N.
    Chijioke, C.
    Igwegbe, W.E.
    Ibearugbulem, O.I.
    Abubakar, Y.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/11787.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    water quality
    water body
    environment pollution
    prevention
    treatment
    challenge
    impact
    waste water
    acid rain
    fish
    sediment
    pollutant
    Opis:
    Man’s activities on the environment often results in pollution and degradation of water bodies. Water bodies must therefore be jealously guided and protected from being polluted, which will affect water quality and availability for desired usage. Causes of water quality impairment are urban and rural storm water runoff, inadequate waste water treatment, nutrient entrophication, atmospheric deposition and acid rain, pollutant in sediments and fish, and nuisance aquatic weed growth and invasive species. Other factors include unhygienic disposal and inadequate treatment of human and livestock wastes, indecent management and treatment of industrial residues, inappropriate agricultural practices and unsafe solid waste discharge. Suggested strategies to combat water quality problems which should form the basis of policy solution for improving water quality include: (i) prevention of pollution; (ii) treatment of polluted water; (iii) safe use of waste water; and (iv) restoration and protection of ecosystem. It is recommended that our water bodies and the environment in general should be protected through appropriate legislation guidelines and public literacy campaign and mass education to sensitize, educate and make the people a fully environmentally literate society. Taking these steps internationally, nationally and locally will mean better water quality for our present society and future generation.
    Źródło:
    International Letters of Natural Sciences; 2013, 04
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reduction of heavy metals from waste water by wetland
    Autorzy:
    Sahu, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/10928.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    metal reduction
    heavy metal
    waste water
    wetland
    biomass
    contaminant
    metal ion
    natural treatment
    Opis:
    Constructed wetlands are artificial wastewater treatment systems consisting of shallow ponds or channels which have been planted with aquatic plants, and which rely upon natural microbial, biological, physical and chemical processes to treat wastewater. They typically have impervious clay or synthetic liners, and engineered structures to control the flow direction, liquid detention time and water level. Depending on the type of system, they may or may not contain an inert porous media such as rock, gravel or sand. Constructed wetlands have been used to treat a variety of wastewaters including urban runoff; municipal, industrial, agricultural and acid mine drainage. In this regard’s an attempted has been made to reduce the heavy metal present in waste water.
    Źródło:
    International Letters of Natural Sciences; 2014, 07
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on Pollution due to discharge of effluent from Pharmaceutical Industries of Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412599.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial pollution
    waste water effluent
    physicochemical analysis
    toxic heavy metals
    pharmaceutical industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to pharmaceutical based industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The concentration level of majority of toxic heavy metals like Cu, Cr, Pb, Fe and Zn were found to be maximum of 14.06, 0.57, 0.42, 18.93 and 3.31 ppm respectively in the month of February, while Ni concentration was found to be maximum of 0.43 ppm in the month of June. The pH and BOD values were reported to be maximum of 12.54 and 546 ppm respectively in the month of October. The conductivity and total solid content was found to be maximum of 27400 μmhos/cm and 9401 ppm respectively in the month of June. The cyanide content was maximum of 0.13 ppm in the month of April. The alkalinity, hardness, salinity, chloride, phosphate and COD content was reported maximum of 852, 694, 10.36, 4821, 46.32 and 1271 ppm respectively in the month of February. The DO content was found to be minimum of 3.00 ppm in the month of February. It was observed that the level of many of these toxic heavy metals except Zn and various physico-chemical parameters were above the tolerable limit set for inland surface water. From the results of the present investigation it seems that the time has come to move towards ecosystem specific discharge standards to maintain the health and productivity of natural resources on which the majority of Indians are dependent.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 16-23
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of biomarker with special reference to antioxidant level in blood as occupational exposure of sewage and garage workers
    Autorzy:
    Basu, R.
    Talapatra, S.N.
    Mukhopadhyay, A.
    Ray, S.S.
    Chakrabarti, P.
    Chaudhuri, U.
    Chakrabarti, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/11257.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    assessment
    biomarker
    special reference
    antioxidant level
    blood
    occupational exposure
    sewage
    garage
    worker
    waste water
    human blood
    Opis:
    The present study deals with the estimation of antioxidant levels in blood of sewage and garage workers exposed to sewage water, washing water and vehicular air pollution compared with control group of population. The study areas were selected on the basis of drainage clearance and wards where workers are active as sewage workers. For garage workers, the garage selected was a large and busy one where continuous vehicles washing, repairing etc are carried out. These two exposed groups were compared to non-exposed group of population as control. The blood samples were collected from two groups of exposed population as well as control population and the antioxidant levels were estimated in blood. The present results clearly indicate that there was decreasing trend of the antioxidant level in blood for sewage and garage workers. In the control groups of population the antioxidant levels were found to be within normal range, but for sewage workers (0.14-0.36 mM) and garage workers (0.12-0.36 mM) the antioxidant levels were significantly lower. The range of antioxidant level in human blood is 0.5 to 2.0 mM. It was found to be significantly lower (P < 0.001 or 0.05) in addicted sewage and garage workers when compared with non-addicted groups. All the exposed groups were showed to be having significantly lower antioxidant level when compared to control groups. This study is a preliminary assessment to know the potent biomarkers for oxidative stress and estimation of antioxidant level in blood due to occupational exposure. This study shows a way for easy screening of biomarker assessment but further work is needed in relation to biochemical, enzymological and genetic damage study.
    Źródło:
    International Letters of Natural Sciences; 2014, 09
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ składowiska odpadów komunalnych na jakość środowiska naturalnego w Międzyzdrojach w okresie od 2005 do 2007 roku
    Influence of waste disposal sites on the environment in Miedzyzdoje of 2005 – 2007
    Autorzy:
    Daniszewski, P.
    Draszawka-Bołzan, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/411782.pdf
    Data publikacji:
    2012
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    składowisko odpadów
    odpady komunalne
    oddziaływanie na środowisko
    woda
    jakość
    waste landfill
    communal waste
    impact on environment
    water
    quality
    Opis:
    Wytwarzanie odpadów jest nieodłącznym elementem działalności bytowo - gospodarczej człowieka. W Polsce najbardziej rozpowszechniony jest system zarządzania typowo ekstensywny, to dlatego, ponieważ odpady są prawie w całości składowane na składowiskach odpadów. W czasie eksploatacji składowiska odpadów komunalnych oddziałują one na poszczególne elementy środowiska przyrodniczego tj.: powietrze, glebę, wody, rośliny i zwierzęta. Szereg wymagań dotyczących lokalizacji obiektu, jego budowy, użytkowania oraz postępowania po zakończeniu eksploatacji ma zapobiec zanieczyszczeniu poszczególnych elementów środowiska przyrodniczego oraz zapewnić bezpieczeństwo higieniczno - sanitarne ludziom. Nowoczesne składowiska odpadów posiadające uszczelnienie w postaci geomembrany skutecznie ograniczają odpływ z nich odcieków do wód podziemnych i otaczających gleb. W Polsce należy podejmować dalsze działania w celu segregowania odpadów, które mogą znacznie wyeliminować negatywny wpływ składowisk odpadów na środowisko.
    Waste is inseparable element of human activity. In Poland, the system of it's management is typically extensive because waste is almost entirely deposited in landfills. Landfilling is the oldest method of waste management, but it is also the least desirable method of its neutralization. During the operations of communal waste landfill, waste effects on such environmental elements as air, soil, water, plants and animals. A number of requirements for the location of the facility, its construction, use and handling after operation is supposed to prevent environmental pollution and provide safety for people. The modern waste disposal sites having cleavage in the form of geomembrane, effectively limit the outflow of wastes to the ground waters and neighbouring soils. Further actions which are taken In order to segregate wastes, can eliminate negative effect of waste disposal sites on the environment.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2012, 3; 73-79
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Internet of things in Smart Environment: Concept, Applications, Challenges, and Future Directions
    Autorzy:
    Elmustafa, Sayed Ali Ahmed
    Mujtaba, Elbagir Yousef
    Powiązania:
    https://bibliotekanauki.pl/articles/1059415.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Agriculture Control
    Air Pollution
    Chemical Leakage
    IoT
    Monitoring Systems
    Radiation Monitoring
    Smart Environment
    Waste Management
    Water Quality
    Weather Monitoring
    Opis:
    Environmental phenomena have a major impact on our daily lives. These include changes affecting the sources of life such as in the waters and air of our world, which have been degraded in purity. The term ‘smart environment’ is defined as a technology that provides many facilities and solutions for many environmental application issues related to water quality and health, air pollution, weather, radiation monitoring, waste management, natural disaster, and many other environment indicators. Smart environment sensors integrated with ‘Internet of Things’ (IoT) technology can provide a new concept in tracking, sensing and monitoring objects of environment. This can provide potential benefits leading up to the possibility of achieving a green world and a sustainable lifestyle. IoT allows environmental sensors to connect with other systems such smart phones through Bluetooth or Wi-Fi to send enormous amounts of data to the network and can allow us to have a better understanding of our surroundings and find suitable solutions for today environmental problems. In this review article, we will provide a brief conception of environment areas of study based on IoT technology and discuss the justification behind using IoT in the field of environmental studies. Moreover, we will investigate many proposed applications of environmental research based upon IoT.
    Źródło:
    World Scientific News; 2019, 134, 1; 1-51
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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