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Indian journal of environmental health最新文献

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Chromium removal and reduction in COD of tannery effluents. 制革废水除铬及COD的降低。
Indian journal of environmental health Pub Date : 2002-10-01
Snehal V More, Sheeja John, B Seetarama Rao, Balachandran Unni Nair, R Seeta Laxman
{"title":"Chromium removal and reduction in COD of tannery effluents.","authors":"Snehal V More,&nbsp;Sheeja John,&nbsp;B Seetarama Rao,&nbsp;Balachandran Unni Nair,&nbsp;R Seeta Laxman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Tannery effluents are highly polluting and contain chromium and high COD and BOD. Alkalotolerant/alkalophilic actinomycetes NCIM 5080 and NCIM 5109 have been shown earlier to tolerate and accumulate chromium during growth also produce alkaline protease in presence of chromium ions. These properties of the isolates are suitable for treatment of tannery effluents which are alkaline and contain chromium and proteinaceous matter. Both the actinomycetes are able to grow in undiluted tannery effluents and remove chromium almost completely and reduce the COD by 70-80% during growth as well as by pregrown biomass.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"320-8"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23270811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A study on coastal attrition of Dakshina Kannada district using remote sensing and GIS. 基于遥感和GIS的Dakshina Kannada地区海岸侵蚀研究。
Indian journal of environmental health Pub Date : 2002-10-01
Sunit Lawoo Charatkar, K V Radhakrishnan
{"title":"A study on coastal attrition of Dakshina Kannada district using remote sensing and GIS.","authors":"Sunit Lawoo Charatkar,&nbsp;K V Radhakrishnan","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Mangalore is one of the important coastal towns in Dakshina Kannada along the west coast of India situated at the mouth of Nethravathi-Gurpur estuary. The remote sensing and GIS (Geographical Information System) is a powerful tool to monitor coastal changes by continuous observation. A study has been carried out on the shoreline changes and coastal processes operating in the Dakshina Kannada coast using remote sensing and GIS technique. Survey of India topographical map of 1967 and IRS 1B, LISS II 1993 imagery (Geocoded) both on the scale of 1:50000 has been analysed to elucidate and quantify erosion and accretion in the study area. Erosion is observed at southern spit (Ullal) upto Talapadi and also northern spit (Bengre) upto New Mangalore Port. Accretion is observed at north of New Mangalore Port. Gradual shifting of the estuarine mouth of Nethravathi-Gurpur to the north is also observed. The changes could be attributed to human interference by way of constructing coastal structures.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"270-81"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23269350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanical, physico-chemical and microbial analysis of oil refinery waste receiving agricultural soil. 炼油厂废弃物接收农业土壤的机械、理化和微生物分析。
Indian journal of environmental health Pub Date : 2002-10-01
B T Ashok, J Musarrat
{"title":"Mechanical, physico-chemical and microbial analysis of oil refinery waste receiving agricultural soil.","authors":"B T Ashok,&nbsp;J Musarrat","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The mechanical, physico-chemical characteristics of soil and the activity of indigenous microflora were studied in the agricultural soil steadily receiving petroleum refinery effluent at Mathura, U.P, India The data on the soil grain size and texture revealed that the soil in the test region was basically loam or silty loam. Physic-chemical analysis showed considerable variability in the soil pH, temperature, moisture content and water holding capacity (WHC). A substantially higher microbial activity was noticed at the test sites as evident from the total variable (10(5) to 10(9) CFU g-1 soil) bacterial population. In addition, a significant population of proteolytic and cellulolytic bacteria, rhizobium and actinomycetes was detected. Oligotrophs were isolated and characterized into four types (I-IV). A fraction of oligotrophic bacteria, particularly those belonging to type II and type IV exhibited appreciable in distilled water. Invariably higher microbial biomass ranging from 366 to 1604 mg CO2. 100 g-1 soil, clearly implied that the soil in the test region was very well nourished and the refinery waste was providing enough nitrites to support the growth of soil microflora.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"282-9"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23270805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Drainage characteristics of Hirehalla basin, Shimoga district, Karnataka. 卡纳塔克邦Shimoga地区Hirehalla盆地的排水特征。
Indian journal of environmental health Pub Date : 2002-10-01
M E Patel, B C Prabhakar, K N Lokesh
{"title":"Drainage characteristics of Hirehalla basin, Shimoga district, Karnataka.","authors":"M E Patel,&nbsp;B C Prabhakar,&nbsp;K N Lokesh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In order to understand the dynamics of Hirehalla watershed, an attempt has been made to study drainage characteristics. The linear, areal and relief aspects of the basin have been analysed and compared with other climatic factors.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"303-7"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23270808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence & distribution of aeromonads in different chlorinated water samples. 不同氯化水样中气单胞菌的流行与分布。
Indian journal of environmental health Pub Date : 2002-10-01
Anjana Sharma, Deepali Khokale, Meenal Budholia, Amitabh Sharma, Vinod Kumar Sharma, Sushma Rajput
{"title":"Prevalence & distribution of aeromonads in different chlorinated water samples.","authors":"Anjana Sharma,&nbsp;Deepali Khokale,&nbsp;Meenal Budholia,&nbsp;Amitabh Sharma,&nbsp;Vinod Kumar Sharma,&nbsp;Sushma Rajput","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Four different sites were selected for sampling of water samples--river, pond, hand-pump, and municipal water. These were analyzed for physico-chemical and bacteriological parameters with special reference to aeromonads following standard methods. Chlorinated disinfectants in the form of powder and liquid (drops) were used for the treatment. Out of which powdered forms were found to be more effective. Although chlorination reduced the density of aeromonads to some extent but still its presence cannot be behold.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"314-9"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23270810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution and occurrence of diatom community along three estuaries of Dakshina Kannada, west coast of India. 印度西海岸达克什那邦三个河口的硅藻群落分布及发生。
Indian journal of environmental health Pub Date : 2002-10-01
K C Shashikumar, M N Madhyastha, P D Rekha
{"title":"Distribution and occurrence of diatom community along three estuaries of Dakshina Kannada, west coast of India.","authors":"K C Shashikumar,&nbsp;M N Madhyastha,&nbsp;P D Rekha","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present paper deals with the collection and identification of Diatoms (Bacillariophyceae) of three estuaries at Dakshina Kannada district, (Karnataka). The studies were carried out for a period of one year extending between November 1994 to December 1995. A total of 33 taxa belonging to 24 genera were recorded from three different estuaries. The highest number of diatom taxa were recorded from H1 & G1 estuaries and the most common diatom genera observed at all the stations were Coscinodiscus sp., and Cheatoceros sp.,. The various ecological parameters analysed are discussed.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"258-65"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23269348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of the quality of sewage effluents from dry weather flow channel, Calcutta. 加尔各答干天气流道污水的水质评估。
Indian journal of environmental health Pub Date : 2002-10-01
S Adhikari, S K Gupta
{"title":"Assessment of the quality of sewage effluents from dry weather flow channel, Calcutta.","authors":"S Adhikari,&nbsp;S K Gupta","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The quality of sewage effluent of Dry weather Flow channel, Calcutta in respect of salinity, sodicity, chloride, sulphate and bicarbonate toxicity and heavy metal hazards was assessed in order to utilize it for irrigation. Although raw sewage in the winter season was toxic in respect of chlorides, sulphates, bicarbonate, BOD, COD; its dilution in the monsoon decreased the toxicity hazards considerably, making it worth using for irrigation. The sewage effluents were rich in N and K, but poor in P status with marginal concentrations of micronutrients (Fe, Cu, Zn & Mn). Heavy metal contents of the soil treated with effluents were also studied.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"308-13"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23270809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of low cost all glass recirculation systems for environmental applications. 开发低成本的全玻璃环保循环系统。
Indian journal of environmental health Pub Date : 2002-10-01
P S Kshirsagar, G H Pandya
{"title":"Development of low cost all glass recirculation systems for environmental applications.","authors":"P S Kshirsagar,&nbsp;G H Pandya","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Some simple glassware has been developed for recirculation of liquid medium. These glassware have wider applications and have been tested in experiments involving leaching, biodegradation, and desulfurization. The fabrication cost is minimum and can be developed in a small glassware workshop. Such a development has certain advantages as no separate mechanical devices are needed, the flow can be easily monitored due to transparency of the apparatus, acidic or alkaline medium can also be circulated. The paper discusses the development, design and fabrication of some specialized glass recirculation systems and its environmental applications.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"266-9"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23269349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variability in physico-chemical parameters of Pachin river (Itanagar). 伊塔那加尔Pachin河理化参数的变异。
Indian journal of environmental health Pub Date : 2002-10-01
M F Hussain, I Ahmad
{"title":"Variability in physico-chemical parameters of Pachin river (Itanagar).","authors":"M F Hussain,&nbsp;I Ahmad","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The concentration of water quality parameters in river and heavy metals in the bed sediment were measured for Pachin River for the three major flow periods. The pH, temperature (degree C), conducity (microS cm-1), DO, COD, NH3, PO4, total hardeness and alkalinity (mg/L) were found in the range of 12 to 22, 6.90 to 7.69, 25 to 211, 5.0 to 12.5, 10-115, 1.2 to 12.0, 0.05 to 0.62, 14 to 45, and 12 to 35, respectively. The heavy metals as Zn and Se showed an enrichment of 1 to 25, and 5 to 120, with concentration (microgram/g) range of 8 to 385 and 0.5 to 6.0, for the respective metal, in the labile fraction of the bed sediment. The variability in the physico-chemical parameters for different flow periods may be assigned to dilution of river water by direct runoff, human activities and organic load. The correlation study of physico-chemical parameters shows that their source of entering the river system is the same whether it may be a natural or anthropogenic or both.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 4","pages":"329-36"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"23270812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Road traffic noise in Calcutta metropolis, India. 印度加尔各答大都市的道路交通噪音。
Indian journal of environmental health Pub Date : 2002-07-01
D Chakraborty, S C Santra, A L Mukherjee, B Roy, P Das
{"title":"Road traffic noise in Calcutta metropolis, India.","authors":"D Chakraborty,&nbsp;S C Santra,&nbsp;A L Mukherjee,&nbsp;B Roy,&nbsp;P Das","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A comprehensive study on traffic noise level at twenty four pre-selected road transaction of Calcutta Metropolis was carried out during 1993-94. Noise levels were measured at each of twenty four sites, based on predetermined sampling interval and altogether 2880 observations were generated by recording data continuously for 24 hours. The Lcq 24, exceedence levels, LD, LN, LDN, LNP and TNI were determined. Traffic flow density as measured along with noise data recording were then compared for establishing relationship with noise level. Finally the clustering of the sites were made based on variable viz. Lcq 24 and traffic follow density.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"173-80"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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