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Indian journal of environmental health最新文献

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Arsenic contamination in ground water: Indian scenario. 地下水中的砷污染:印度情景。
Indian journal of environmental health Pub Date : 2002-07-01
C K Jain
{"title":"Arsenic contamination in ground water: Indian scenario.","authors":"C K Jain","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ground water in a huge alluvial tract along the river Hooghly covering a stretch of about 470 km., encompassing eight districts in the state of West Bengal (India) is affected by arsenic pollution of ground water. The probable source of arsenic has been reported to be through geological formations. Occurrence of iron-pyrite and the change of geo-chemical environment due to over-exploitation of ground water or excessive fluctuation of ground water table are the possible reasons of decomposition of pyrite to ferrous sulphate, ferric sulphate and sulfuric acid. However, no definite explanation regarding the source of arsenic could be established so far. Keeping in view the severity of the problem, an attempt has been made to bring out the nature and extent of arsenic problem in ground water of West Bengal, India, as well as need for watershed management to combat the situation.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"238-43"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818257","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
Removal of hexavalent chromium from aqueous solutions by adsorption on coal char. 煤焦吸附去除水溶液中六价铬的研究。
Indian journal of environmental health Pub Date : 2002-07-01
P C Baisakh, S N Patnaik
{"title":"Removal of hexavalent chromium from aqueous solutions by adsorption on coal char.","authors":"P C Baisakh,&nbsp;S N Patnaik","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ability of Coal char, a waste product obtained after the reduction of iron ore, to remove hexavalent chromium from aqueous solutions by adsorption has been studied. The effects of pH, temperature, concentration of hexavalent chromium and coal char were investigated. Under ambient temperature and pH condition removal efficiency to the extent of more than 70 per cent has been achieved. The rate process follows first order kinetics with respect to hexavalent chromium concentrations. Thermodynamic parameters and adsorption results have been studied. Recycling efficiency of the coal char was also determined.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"189-96"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818372","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 : 2002-07-01
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, chlorides, 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 3","pages":"197-202"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818373","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
Short-term concentration of CO2 in the ambient air of Nagpur city. 那格浦尔市环境空气中的短期二氧化碳浓度。
Indian journal of environmental health Pub Date : 2002-07-01
Jovita A Manuel, D G Gajghate, M Z Hasan, R N Singh
{"title":"Short-term concentration of CO2 in the ambient air of Nagpur city.","authors":"Jovita A Manuel,&nbsp;D G Gajghate,&nbsp;M Z Hasan,&nbsp;R N Singh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Carbon dioxide concentration is an index of total amount of combustion and natural ventilation in an urban environment and therefore required more careful attention for assessment of CO2 level in air environment. First time, an attempt was made to monitor CO2 levels in Ambient Air of Nagpur during August 2001-December 2001 at Industrial, Commercial and Residential sites. The largest amount of CO2 occurred at night due to darkness which depresses the photosynthesis to its lowest level. The lowest concentration of CO2 was showed in afternoon hours when photosynthesis is at its maximum. The average concentration of CO2 was found to be 361, 366 and 339 ppm at Industrial, Commercial and Industrial sites respectively. This generation of database of ambient CO2 will help to formulate the strategy for prevention of global warming phenomenon.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"225-30"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818377","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
Experimental studies on waste paper pulp biodegradation. 废纸纸浆生物降解的实验研究。
Indian journal of environmental health Pub Date : 2002-07-01
R Sharma, D Sharma, K S Rao, R C Jain
{"title":"Experimental studies on waste paper pulp biodegradation.","authors":"R Sharma,&nbsp;D Sharma,&nbsp;K S Rao,&nbsp;R C Jain","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In continuation of their studies on Biodegradation of cellulosic waste materials, the authors have presented their experimental data on biodegradation on waste paper pulp. Greater efficiency in the cow dung and M3 culture experimental setups have been pointed out and discussed. Necessity of detailed data evaluation of temperature, pH, dry weight, cellulose, protein, carbohydrate, Nitrate, Phosphate & Potassium levels is suggested. Derivation of %, absolute and increase/decrease % of BOO, COD and VS have been pointed out for the first time in solid waste Biodegradation. Further data evaluation and derivation of critical reaction rate kinetics have been recommended for further studies in solid waste-degradation to achieve quicker Bioconversion of cellulosic wastes into compost.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"181-8"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818371","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
Influence of organic acids on the mobility of heavy metals in soil amended with some insecticides. 有机酸对某些杀虫剂改良土壤中重金属迁移的影响。
Indian journal of environmental health Pub Date : 2002-07-01
S U Khan, Jamal A Khan, Shafiullah
{"title":"Influence of organic acids on the mobility of heavy metals in soil amended with some insecticides.","authors":"S U Khan,&nbsp;Jamal A Khan,&nbsp;Shafiullah","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The mobility (Rf value) of some heavy metals, such as: Co, Zn, Ag, Cu, and Pb was measured through soil amended with some insecticides, such as: endosulfan, chlorpyrifos, dimethoate and methyl demeton using distilled water, formic, acetic and oxalic acids as mobile phase. The enhancement in the mobility of metal ions in all the amended soils formic, acetic and oxalic acids as mobile phase. The enhancement in the mobility of metal ions in all the amended soils followed the order: Co > Zn > Ag > Cu > Pb. On the otherhand the mobility followed the order: endosulfan > chlorpyrifos > dimethoate > methyl dementon for the amended insecticides and the order: formic > acetic > oxalic acids for the mobile phase in natural as well as amended soils. Mobility of ions increased upto a concentration of 0.25 mg 100 g-1 of soils thereafter it was decreased in all the systems. The results have been explained on the basis of the nature of heavy metals, insecticides, organic acids and the solubilities of the salts formed in the soil-insecticide-amended systems.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"212-9"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818375","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
Water pollution from major industries in Paradip area--a case study. Paradip地区主要工业的水污染案例研究。
Indian journal of environmental health Pub Date : 2002-07-01
K N Patnaik, S V Satyanarayana, Swoyam P Rout
{"title":"Water pollution from major industries in Paradip area--a case study.","authors":"K N Patnaik,&nbsp;S V Satyanarayana,&nbsp;Swoyam P Rout","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper reveals the present status of water pollution generated from major industries in Paradip area. The source of water pollution and the existing pollution control measures are outlined. The quality of the surface water and ground water have been studied thoroughly and in consequence to this, further pollution control measures are recommended.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"203-11"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818374","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
Soil aquifer treatment (SAT) system: a case study. 土壤含水层处理(SAT)系统:案例研究。
Indian journal of environmental health Pub Date : 2002-07-01
Samanpreet Kaur, Mandeep Singh
{"title":"Soil aquifer treatment (SAT) system: a case study.","authors":"Samanpreet Kaur,&nbsp;Mandeep Singh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Water scarcity is the major issue in all parts of world. Wastewater reuse is one alternative. SAT proves to efficient, economical and feasible method for wastewater treatment. SAT system achieves an excellent reduction of biochemical oxygen demand, suspended solids, and fecal coliform. About 90% of water applied to SAT site is returned to watershed. A case study has been made by the authors to increase the efficiency of this system.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"244-6"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818258","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
Water quality assessment of the Purna river for irrigation purpose in Buldana district, Maharashtra. 马哈拉施特拉邦布尔达纳地区用于灌溉的普尔纳河水质评估。
Indian journal of environmental health Pub Date : 2002-07-01
Jayashri Jagtap, Bhushan Kachawe, Leena Deshpande, Prakash Kelkar
{"title":"Water quality assessment of the Purna river for irrigation purpose in Buldana district, Maharashtra.","authors":"Jayashri Jagtap,&nbsp;Bhushan Kachawe,&nbsp;Leena Deshpande,&nbsp;Prakash Kelkar","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The paper presents the assessment of water quality of Purna river for its suitability for irrigation purpose. Geologically the basin comprises deep alluvium, which is of basaltic and volcanic origin. Water quality was monitored at various locations along 78 km stretch of the river Purna, upstream and downstream, from proposed Jigaon dam in Buldana district of Maharashtra State. The assessment was carried during pre-monsoon, monsoon and post-monsoon seasons. The analytical results indicate higher concentrations of certain ions during pre-monsoon and post-monsoon seasons may be attributed to seepage of ground water from aquifer to surface water body and lower concentrations during monsoon may be due to dilution effect with surface runoff. The values of SAR, %Na and RSC indicate good to permissible quality of water as per the BIS standard for irrigation.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"247-57"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818259","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
Asbestos an important insulating material; its varieties, properties and safe uses. 石棉是重要的绝缘材料;其品种、性能及安全用途。
Indian journal of environmental health Pub Date : 2002-07-01
Amit Rai, T N Gupta
{"title":"Asbestos an important insulating material; its varieties, properties and safe uses.","authors":"Amit Rai,&nbsp;T N Gupta","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Asbestos, a naturally occurring mineral, has been widely utilized in industries producing cement, pipes, roofing sheet and insulating materials. In spite of sharp decrease in the production of asbestos worldwide, the use of asbestos in various products is increasing in the developing countries of Asian-African region, due to their magical properties of commercial importance. This paper describes the various physical & chemical properties, health hazards of the asbestos fibre and its utilization in various product development.</p>","PeriodicalId":84892,"journal":{"name":"Indian journal of environmental health","volume":"44 3","pages":"220-4"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40818376","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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