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Nutrient removal
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This paper focuses on introducing an overview of aerobic granular sludge technology, granulation, removal efficiency and application of aerobic granules in wastewater treatment. Aerobic granular sludge has a bacterial layered structure including anaerobic, anoxic and aerobic bacteria in order from inside to outside layer, so it is capable of simultaneous chemical oxygen demand, nitrogen and phosphorus removal.
16p
vimarillynhewson
02-01-2024
3
1
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The application of SBR in the treatment and nutrient recovery of sludge from the ISF can be a potential technical alternative to current technologies in the management of sludge. The objective of this study was to evaluate the removal efficiencies and recovery performance of nitrogen, carbon, and phosphorus (P) in sludge from the intensive whiteleg shrimp ponds under different sequences of react periods (aerobic/ anoxic).
10p
vimichaelfaraday
28-12-2023
5
2
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The study investigated Changes in Nutrient and Phytochemical Composition of Processed Tigernut (Cyperus esclentus L). Tiger nut also known as Earth-almond was purchased as dried Earth-almond tubers; carefully selected to remove dust particles and shared into four sets.
6p
viisac
23-09-2023
1
1
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Nature-based wastewater treatment employing microalgae and bacteria has gained serious attention due to its combination with valuable biomass production. In wastewater, microalgae serves as the primary source of dissolved oxygen (DO) production for bacterial organic matter degradation.
16p
vimulcahy
18-09-2023
4
3
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The main aim of this investigation was to evaluate the capability of Membrane Bioreactor (MBR) for removal of nutrient and organic compounds from domestic wastewater. MBR as an advanced process had a proper nutrient as well as organic compounds removal efficiency from domestic wastewater.
8p
vidoctorstrange
06-05-2023
4
2
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Human urine from domestic wastewater has been considered as an ideal nutrient source for microalgae cultivation due to the high concentration of nitrogen and phosphorus. Moreover, pollution caused by nutrient (N, P) is difficult to treat and costly. In this study, membrane fouling and nutrient removal was evaluated in a membrane photobioreactor (MPBR) system using urine as substrate and microalgae-bacteria as co-cultures under two light - dark cycles.
3p
viwinter2711
05-10-2021
8
2
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A field experiment was carried out at Department of Agronomy, Anbil Dharmalingam Agricultural College and Research Institute, Trichy during Rabi, 2018 to study the effect of different weed management practices on nutrient removal, nutrient uptake andgrain yield of transplanted rice. The experiment was laid out in split plot design with four main plot and five sub plot treatments and replicated thrice. The experimental plot size was 20 m 2 . Main plot treatments were pre plant application of herbicides namely, glyphosate 2.5 kg ha-1 , glufosinate ammonium 1.0 kg ha-1 ,halosulfuron methyl 67.
12p
chauchaungayxua12
29-07-2021
14
1
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The maintenance of nucleus pulposus (NP) viability in vitro is difficult. The annulus fibrosus (AF) pathway reflects one nutrient transport channel and may have an important effect on NP viability in disc organ cultures.
10p
vioregon2711
22-02-2021
6
2
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Constructed wetland is a low cost, effective technology and it is still in the state of improvement to enhance the treatment efficiency, especially in nutrient and trace elements treatment. This study investigated the effect of aerobic and anoxic conditions in Horizontal Subsurface Flow Constructed Wetland (HSFCW) on nutrient, organic, metal and Octylphenol - OP (Endocrine disrupting chemical) treatment.
8p
larachdumlanat127
02-01-2021
11
2
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After nitrogen, phosphorus and potassium, sulphur is the fourth nutrient, whose deficiency is widespread in India. Sulphur deficiency is observed primarily due to high crop yield and therefore higher rate of sulphur removal by crops, and lesser use of sulphur-containing fertilizers. Boron foliar sprays seemed to overcome the deleterious effects of drought by overcoming the drought-related molecular responses and consequently appeared to meliorate sunflower growth under insufficient water conditions.
7p
gaocaolon9
22-12-2020
15
2
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Keeping the above facts in view a scientific investigation on Weed dynamics, nutrient removal and crop productivity as influenced by weed management practices in direct seeded basmati rice preceded by wheat in irrigated sub tropics of Jammu was undertaken.
17p
nguaconbaynhay8
13-10-2020
14
1
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A field experiment was conducted at Jammu, during the spring season 2013 to evaluate the efficacy of tembotrione (42% SC) on nutrient removal by crop and weeds in spring maize. The experimental field was highly infested with Cyperus rotundus, Cynodon dactylon, Phyllanthus niruri and Digitria sanguinalis. Post emergence application of tembotrione @ 120 g/ha at 15 DAS resulted in significantly highest NPK uptake by grain and stover of crop and lowest NPK uptake by weeds which was at par with post emergence application of tembotrione @ 120 g/ha at 30 DAS and two hand weeding at 15 and 30 DAS.
8p
trinhthamhodang1215
23-09-2020
8
2
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The continuous use or excess supply of inorganic fertilizers as source of nutrient in imbalanced proportion is also a problem, causing economic inefficiency, damage to the environment and in certain situations, harm the plants themselves and also to human being who consume them. On the other hand, increase in productivity of horticultural produce removes large amounts of essential nutrients from the soil. Without proper management, continuous production of crops reduces nutrient reserves in the soil.
9p
quenchua8
29-09-2020
13
1
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A field experiment was conducted at main research farm of OUAT, Bhubaneswar, Odisha. The experiment was laid out in double split design with 27 treatment combinations and three replications. In main plot sunflower residue was removed in one plot, incorporated in another plot and in third plot no sunflower was grown. In subplot three methods of establishment of rice was taken namely dry direct seeded, wet direct seeded and transplanting method of rice establishment.
8p
angicungduoc6
22-07-2020
16
2
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Pulses occupy unique place in Indian diet with supplying of vegetable protein to primarily starchy diet and provide an essential supplement for balance diet. Therefore, it is essential to increase the sustainable productivity with more appropriate management of nutrient utilization of plants so that with same area, we can increase pulses sustainable production.
6p
nguaconbaynhay6
24-06-2020
14
0
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Weeding consists of uprooting and removal of unwanted plants which grow in a filed with a cultivated crop competing with the crops for moisture and plants nutrients. Suitable mechanization technology is needed to reduce drudgery and to enhance time lines of operation. Hence a study was conducted to evaluate the performance of power weeder, wheel hoe and star weeder under dry land condition.
7p
quenchua6
15-06-2020
8
2
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Pseudo cereals namely Buckwheat (Fagopyrum esculentum Moench.) is gluten-free grains characterized by an excellent nutrient profile. They have been used as nutritious ingredients in gluten-free formulations. They have been considered as underutilized food material in India and used mainly used in fasting days. In buckwheat kernel, outer hull or husk, which is comprises about 30% of the weight of the buckwheat grain. Since, it is inedible and not digested by human beings so it should be removed from buckwheat before processing.
12p
gaocaolon5
14-06-2020
14
4
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Conservation agriculture (CA) is based on principles of minimum soil disturbance through zero or minimum tillage operations, residue retention on soil surface and crop diversification which not only improves healthy functioning of soil but also enhances nutrient availability, its biological quality and aggregate formation. On the other hand, conventional tillage (CT) practices characterized by excessive tillage, residue removal and monoculture are often associated with the degradation of soil mainly in terms of depletion of Soil Organi arbon (SOC), sub-soil compaction and loss of biodiversity.
8p
angicungduoc5
14-06-2020
10
1
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Spirulina is noticed for great applications on food supplements, animal feeds, pharmaceutical, cosmetics, biofuel, fertilizer, etc. Spirulina cultures in wastewaters could enhance the feasibility of commodities due to its ability to reduce the cost of biomass production and remove pollutants in wastewaters. This study investigates the effects of wastewater pretreatment using various aeration periods (i.e. from 3 to 7 days), the supplement of bicarbonate and N:P ratios on the growth of Spirulina sp. to produce protein-rich biomass. The work showed that Spirulina sp.
8p
angicungduoc5
13-06-2020
15
0
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A field experiment was conducted during kharif (soybean), 2012 and rabi (onion) 2012-13 in a sandy clay loam soils of college farm, College of Agriculture, Rajendranagar, Hyderabad to study the response of P levels (0, 30 and 60 kg P2O5 ha-1 ) either alone or in combination with PSB @ 5 kg ha-1 , biochar @ 5 t ha-1 , humic acid @ 20 kg ha-1 and citric acid @ 10 mM concentration to study the direct, residual and cumulative effects of the treatments imposed on yield of soybean (direct) and onion (Residual and Cumulative), soybean equivalent yield (Residual and Cumulative) and benefit : cost r...
12p
trinhthamhodang1213
30-05-2020
10
1
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