Water, Air, and Soil Pollution
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Use of an Anaerobic Granule Biosensor (AGB) as Upset Early Warning Detection (UEWD) Devices
Water, Air, and Soil Pollution - Tập 225 - Trang 1-9 - 2014
Many of municipal wastewater treatment plants (WWTPs) are operated by biological process with their excellent performances. However, the early warning system in the influent line is required to avoid the process malfunction because the biological wastewater treatment system has serious drawback to toxic chemicals in the influent. In order to develop a new type of biosensor using anaerobic granules...... hiện toàn bộ
Chitosan Versus Chitosan-Vanillin Modified: An Evaluation of the Competitive Adsorption of Five Emerging Contaminants
Water, Air, and Soil Pollution - Tập 232 - Trang 1-13 - 2021
Emerging contaminants (ECs) have been studied extensively because of the various damages they can cause to the environment, especially due to the non-treated domestic effluents, which contaminate the water bodies. Therefore, it is important to evaluate alternatives to remove these compounds. The objective of this work was to evaluate the potential of a new biosorbent from chitosan modified with va...... hiện toàn bộ
Effective Treatment of Nutrients by Adsorption onto the Surface of a Modified Clay and a Toxicity Evaluation of the Adsorbent
Water, Air, and Soil Pollution - Tập 226 - Trang 1-12 - 2015
A pure clay ball and surface-modified clay ball were investigated to remove phosphate from synthetic wastewater; phosphate causes eutrophication in hydro-ecological systems. Adsorption tests of phosphate from aqueous solutions onto two types of adsorbents were conducted. The maximum phosphate adsorption capacities of the pure and surface-modified clay ball were found to be 0.084 and 8.869 mg/g, re...... hiện toàn bộ
Simultaneous sorption of Cd, Cu, Ni, Zn, Pb, and Cr on soils treated with sewage sludge supernatant
Water, Air, and Soil Pollution - Tập 93 Số 1 - Trang 331-345 - 1997
Disposal of sewage sludge creates the potential for heavy metal accumulation in the environment. This study assessed nine soils currently used as Dedicated Land Disposal units (DLDs) for treatment and disposal of municipal sewage sludge in the vicinity of Sacramento, California. Adsorption characteristics of these soils for Cd, Cu, Ni, Zn, Pb, and Cr were studied by simultaneously mixing these ele...... hiện toàn bộ
Experimental studies on sulfur dioxide injuries in higher plants
Water, Air, and Soil Pollution - Tập 1 - Trang 205-211 - 1972
Reversible decrease in CO2 fixation has been reported in rice plants exposed to low concentrations of SO2 (Matsuoka et al., 1969). Alpha hydroxy sulfonate is thought to form in leaves by an addition-reaction between plant aldehyde and SO2, and to inhibit the process of the photosynthesis. However, the identification of this compound in the leaves has not been successful. This report deals with the...... hiện toàn bộ
Assessing Salinization and Water Quality in Koh Kong Coastal Areas of Cambodia: Potential Impacts of Climate Change
Water, Air, and Soil Pollution - Tập 232 - Trang 1-11 - 2021
Salination and saltwater intrusion are common and increasing problems in coastal areas. This study investigates the susceptibility of soils and water resources to saline intrusion in the coastal areas of Cambodia in the context of climate change. Water samples were collected from tube wells (n = 8), dug wells (n = 25), canals (n = 7), ponds (n = 5), and rain water (n = 5) across the Koh Kong coast...... hiện toàn bộ
Long-Term Monitoring of a Lagooning Basin Used as Pretreatment Facility for a WTP: Effect on Water Quality and Description of Hydrological and Biological Cycles Using Chemometric Approaches
Water, Air, and Soil Pollution - Tập 226 - Trang 1-13 - 2015
The drinking water treatment plant (WTP) of the city of Turin (NW Italy), with a treatment capacity of 40 × 106 m3/year, has a basin that is employed as a lagooning pretreatment facility. This study aims to assess the effect of the basin on several environmental parameters (temperature, dissolved oxygen (DO), turbidity, pH, chloride, nitrite, and total chlorophyll) of the river water before enteri...... hiện toàn bộ
Effects of Simulated Acid Rain on the Antioxidative System in Cinnamomum philippinense Seedlings
Water, Air, and Soil Pollution - Tập 215 - Trang 127-135 - 2010
This study examined the importance of the antioxidative defense mechanism during the application of simulated acid rain (SAR) pH 4, pH 3, pH 2, and pH 6 as control treatment in Cinnamomum philippinense seedlings. Analysis was carried out on 1, 10, and 15 days of spraying SAR. In our results, catalase (CAT), ascorbate peroxidase (APx), guaiacol peroxidase (GPOD), and glutathione reductase (GR) acti...... hiện toàn bộ
The Effect of the Order of Reagent Addition on the Settling Rate of Aluminium Hydroxide in the Al(III)-Na2CO3 System
Water, Air, and Soil Pollution - - 2002
The effects of several factors on the settling rate of aluminiumhydroxide were investigated during chemical coagulation using aluminium salts. Experimental variables were pH, aluminium (III) concentration and the order of addition of reagents. Experiments were carried out at pH 5–8 and rapid settling was achieved when aluminium (III) solutions were added to Na2CO3 solutions near neutral pH, close ...... hiện toàn bộ
Anaerobic Co-digestion of Waste Activated Sludge with Municipal Solid Waste: Methane Production, Heavy Metal Decrease, Microbial Community, and Energy Production
Water, Air, and Soil Pollution - Tập 234 - Trang 1-16 - 2023
This study investigates the potential of anaerobic digestion (AD) as an alternative method to improve the treatment performance of wastewater treatment plants (WWTPs) in the presence of inhibitors. This work will focus on studying the effect of the presence of certain heavy metals on the structure of microbial community and biogas production pathways during anaerobic digestion between different su...... hiện toàn bộ
Tổng số: 10,026
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