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Search Results: 1 - 10 of 42 matches for " Suryakant Chakradhari "
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Combustion Characteristics of Tree Woods  [PDF]
Suryakant Chakradhari, Khageshwar Singh Patel
Journal of Sustainable Bioenergy Systems (JSBS) , 2016, DOI: 10.4236/jsbs.2016.62004
Abstract: Biomass is a renewable energy source because sun energy is stored in the form of biomass which regrows over a relatively short period as compared to fossil fuel. The biomass on burning released energy with emission of carbon dioxide, volatile organic compounds, particulate matters and ash residue. The combustion characteristics of biomass depends on several factors of plants i.e. bulk density, moisture, organic matter and metal content. In this work, the combustion characteristics i.e. heat value, moisture, volatile matter and ash content as well as emission fluxes of particulate matters (PM10) of trees grown in central India are described. The calorific value (CV) of 53 trees was ranged from 5190 - 8130 kcal/kg with mean value (p = 0.05) of 6380 ± 170 kcal/kg. Bahera tree showed the highest CV, 8130 kcal/kg, and hence, it was chosen for the detailed studies.
Combustion Characteristics of Animal Manures  [PDF]
Pravin Kumar Sahu, Suryakant Chakradhari, Satendra Dewangan, Khageshwar Singh Patel
Journal of Environmental Protection (JEP) , 2016, DOI: 10.4236/jep.2016.76084
Abstract:

A huge amount of waste from the cattle livestock and bird poultry are generated using as manure and solid fuel. In this work, the heat value and proximate parameters of livestock and poultry manures are described. The calorific value of manures (n = 22) was ranged from 2580 - 11,200 kcal/kg with mean value (p = 0.05) of 5333 ± 1073 kcal/kg. The effect of cattle age and additives i.e. NaNO3 and Na2WO4 in the heat value of the manures are discussed. The chemical characteristics of the emitted particulate matters (PM) and ash residues are highlighted.

Combustion Characteristics of Sewage Sludge and Algae  [PDF]
Yaman Kumar Sahu, Pravin Kumar Sahu, Suryakant Chakradhari, Khageshwar Singh Patel
Natural Resources (NR) , 2016, DOI: 10.4236/nr.2016.74019
Abstract: Sewage sludge is a good source of energetically desirable compounds and green algae in developing country like India. In this work, the combustion characteristics of sewage sludge and green algae are described. The calorific value (CV) of dried sewage sludge (n = 7) and green algae (n = 11) was ranged from 1800 to 6250 and 3700 to 6280 kcal/kg with mean value of 3999 ± 1347 and 4428 ± 547 kcal/kg, respectively. The effect of proximate variables and water quality parameters in the CV of sludge and algae are discussed.
Sewage Pollution in Central India  [PDF]
Khageshwar Singh Patel, Nohar Singh Dahariya, Suryakant Chakradhari, Pravin Kumar Sahu, Keshaw Prakash Rajhans, Shobhana Ramteke, Lesia Lata, Huber Milosh
American Journal of Analytical Chemistry (AJAC) , 2015, DOI: 10.4236/ajac.2015.610075
Abstract: Raipur is a fast growing city in central India due to being commercial centre for the steel, cement and forest products of the country. Large quantity (≈300 million lit/day) of untreated sewage waste water is discharged into seven reservoirs located in the city. Sewage carries excessive nutrients, heavy metals, organics, bacteria, yeast and fungi by leaking contents into the drinking water which cause acute health problems, ranging from common diarrhoea to deadly diseases such as hepatitis, cholera, typhoid fever, etc. Therefore, in this work, the microbial and chemical contamination of sewage waste of Raipur city, Chhattisgarh, India is described.
Assessment of Groundwater Quality in Central India  [PDF]
Shabya Choudhary, Shobhana Ramteke, Keshaw Prakash Rajhans, Pravin Kumar Sahu, Suryakant Chakradhari, Khageshwar Singh Patel, Laurent Matini
Journal of Water Resource and Protection (JWARP) , 2016, DOI: 10.4236/jwarp.2016.81002
Abstract: The groundwater is widely used for irrigation of rice crops. The overuse of groundwater causes depletion of the water quality (i.e. enormous increase in conductivity, hardness and ion and metal contents, etc.) in several regions of the country and world. In this work, the quality of the groundwater in the densestrice cropping area, Saraipali, Chhattisgarh, Central India is discussed. The water is sodic in nature with extremely high electrical conductivity. The mean concentration (n = 30) of F-, Cl-, NO3-, SO42-, NH4+, Na+, K+, Mg2+, Ca2+ and Fe in the water was 1.2 ± 0.2, 98 ± 31, 46 ± 15, 56 ± 9, 19 ± 4, 206 ± 25, 9.2 ± 2.3, 39 ± 6, 114 ± 19 and 1.7 ± 0.6 mg/L, respectively. The sources of the contaminants are apportioned by using the factor analysis model. The suitability of the groundwater for the drinking and irrigation purposes is assessed.
Urban Pond Water Contamination in India  [PDF]
Ankit Yadav, Pravin Kumar Sahu, Suryakant Chakradhari, Keshaw Prakash Rajhans, Shobhana Ramteke, Nohar Singh Dahariya, Gaurav Agnihotri, Khageshwar Singh Patel
Journal of Environmental Protection (JEP) , 2016, DOI: 10.4236/jep.2016.71005
Abstract: The stagnant water reservoirs in urban area of India are severely contaminated with surfactant and microbe due to anthropogenic activities. In this work, water quality of pond water of the most industrialized city: Raipur, CG, India is described. The concentration of surfactant in the term of sodium lauryl sulfate (SLS) in water (n = 16) is ranged from 7.0 - 27 mg/L with mean value of 17 ± 3 mg/L. All ponds are found to be contaminated with microbes i.e. bacteria, algae and fungi at elevated levels. The physico-chemical characteristics of the pond water are discussed.
Pit Lake Water Quality of Central India  [PDF]
Shobhana Ramteke, Vintee Verma, Suryakant Chakradhari, Pravin Kumar Sahu, Bharat Lal Sahu, Keshaw Prakash Rajhans, Ankit Yadav, Khageshwar Singh Patel
Journal of Geographic Information System (JGIS) , 2016, DOI: 10.4236/jgis.2016.81003
Abstract: Several pit lakes exist in the Raipur area due to lime stone mining. The water of pit lakes is used for bathing, washing and irrigation purposes. They are found to be contaminated with toxicantsi.e. fluoride, surfactants and microbes far above the recommended limits. In this work, the water quality of 29 pit lakes locates in two districts: Raipur and Baloda Bazar, Chhattisgarh, India are assessed for drinking and irrigation purposes.
Fluoride Contamination of Groundwater and Skeleton Fluorosis in Central India  [PDF]
Ankit Yadav, Yaman Kumar Sahu, Keshaw Prakash Rajhans, Pravin Kumar Sahu, Suryakant Chakradhari, Bharat Lal Sahu, Shobhana Ramteke, Khageshwar Singh Patel
Journal of Environmental Protection (JEP) , 2016, DOI: 10.4236/jep.2016.76071
Abstract:

In country like India, the groundwater is widely used for drinking purposes. In central India, the groundwater is hard and contaminated with F- and other elements above the permissible limits and found to be linked with prevalence of the fluorosis diseases. In this work, the groundwater quality Balod district, Chhattisgarh, India is investigated for assessment of water quality for drinking purposes. The concentration (n = 50) of F- was ranged from 1.5 - 14.0 mg/L with mean value of 3.9 ± 0.8 mg/L. The causes of prevalence of skeleton fluorosis in human of the studied area are described.

A Novel Technique of Impression Procedure in a Hemimaxillectomy Patient with Microstomia
Suryakant C. Deogade
Case Reports in Dentistry , 2012, DOI: 10.1155/2012/272161
Abstract:
A Novel Technique of Impression Procedure in a Hemimaxillectomy Patient with Microstomia
Suryakant C. Deogade
Case Reports in Dentistry , 2012, DOI: 10.1155/2012/272161
Abstract: A restricted mouth opening in hemimaxillectomy patient can create a significant problem with the insertion and the removal of the obturator prosthesis. Even it poses a problem in impression making due to small oral opening. A modification of the standard impression procedure is often necessary to accomplish an acceptable impression in the fabrication of a successful prosthesis. Sectional trays are a good option for such patients. This paper describes a novel technique of impression procedure and a method of fabricating a sectional tray with the anterior and the posterior locking mechanism for a hemimaxillectomy patient with limited oral opening. 1. Introduction Patients with extensive head and neck injuries due to trauma and/or extensive surgical procedures often exhibit a severely limited ability to open the mouth. For the dentist involved in prosthodontic treatment of such patients, restricted maximal opening commonly leads to compromised impressions and prostheses. In prosthodontic treatment, the loaded impression tray is the largest item requiring intraoral placement. During impression procedures, wide mouth opening is required for proper tray insertion and alignment. Because this is not possible in patients with restricted opening ability, a modification of the standard impression procedure is often necessary to accomplish this fundamental step in the fabrication of a successful prosthesis [1]. Microstomia is defined as an abnormally small oral orifice [2]. Other causes of microstomia are scleroderma, oral submucous fibrosis, sequelae of burns, genetic disorders, Plummer Vinson’s syndrome, surgical resection of facial and oral neoplasms, and temporomandibular joint disorders [3–6]. Patients with microstomia due to pathology or extensive surgical procedures often exhibit severely limited ability to open the mouth. As the size of the oral opening decreases, the difficulty in the planned treatment procedures also increases. The reduced mouth opening hinders conventional dental treatment; hence, alternative treatment procedures have to be chosen to overcome the clinical difficulties while managing such a patient. Several stock and custom tray designs have been described in the literature. Sectional impression trays have been fabricated using, orthodontic expansion screws [7], metal pins and acrylic resin block [8], lego blocks [9], dowel plug holes and a screw joint for rigid connection [10], locking levers [11], and interlocking tray segments [12]. Flexible impression tray with silicone putty has been also used in microstomia patient [13]. This paper
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