Results for water polution act india UsHotSearchs - Great Document 5 doc

... (µg l -1 ) 1 <10 (< 15) 1 0-2 5 (1 5- 4 0) 2 5- 5 0 (4 0-7 5) 5 0-1 25 (7 5- 190) >1 25 (>190) Total N (µg l -1 ) 1 <300 30 0-7 50 75 0-1 ,50 0 1 ,50 0-2 ,50 0 >2 ,50 0 Chlorophyll a (µg l -1 ) 1 ... <2 .5 (<4) 2. 5- 1 0 ( 4-1 5) 1 0-3 0 (1 5- 4 5) 3 0-1 10 (4 5- 1 65) >110 (>1 65) Acidification p...

Ngày tải lên: 19/06/2014, 16:20

... > ;50 > ;5 0 TDS > ;5 0 Arse nic 2 5- 50 2 5- 50 2 5- 50 2 5- 50 > ;5 0 25 Bariu m 2 5- 50 25 2 5- 50 25 Cad miu m 2 5- 50 > ;50 > ;50 25 2 5- 5 0 > ;5 0 2 5- 50 25 25 Chro miu m ... > ;50 > ;50 2 5- 50 > 5 0 > ;5 0 > ;5 0 > ;50 Lead > ;50 > ;50 > ;50 2 5- 50 > 5...

Ngày tải lên: 19/06/2014, 16:20

... Trickling filter Activated sludge BOD removal (%) 1 8 0-9 0 9 0-9 8 Kjeldahl-N removal (%) 6 0-8 5 8 0-9 5 Total N removal (%) 2 0-4 5 6 5- 9 0 Energy required (kWh cap -1 a -1 ) 1 0-1 5 2 0-3 0 O&M requirement ... 0. 1-0 .3 kg BOD m -3 d -1 10 0-3 50 kg BOD ha -1 d -1 At least two ponds in series, each 5 days retention Typic...

Ngày tải lên: 19/06/2014, 16:20

... assisted 1 1-2 1-3 (G) 0-1 0-1 Activated sludge 2 0-2 0-2 0-1 0-1 Biofiltration 2 0-2 0-2 0-1 0-1 Aerated lagoon 3 1-2 1-3 (G) 1-2 0-1 Oxidation ditch 2 1-2 0-2 1-2 0-1 Disinfection 4 2-6 0-1 ... Facultative pond 5. 5 45 74 3.2 × 10 5 1 Maturation pond No. 1 5. 5 25 61 2.4 × 10 4 0 Maturation pond No. 2 5. 5 19 43 450 0...

Ngày tải lên: 19/06/2014, 16:20

... been used for many years. End-of-pipe controls have been used mainly for discharges to water and process based controls for discharges to the atmosphere and for land disposal. the water. If ... achieve legally enforceable EQSs, the Water Pollution Control Act of Japan sets national uniform standards for direct discharges to water (known as E standards) and defines mass...

Ngày tải lên: 19/06/2014, 16:20

... indicated that tyre abrasion on motorways can release typically 57 2 g ha -1 a -1 lead, 120 g ha -1 a -1 chromium and 1 15 g ha -1 a -1 nickel (Muschack, 1990). Corrosion of vehicles also contributes ... phosphate limits for discharges to eutrophic waters (2 mg l -1 for populations between 10,000 and 100,000 and 1 mg l -1 for populations grea...

Ngày tải lên: 19/06/2014, 16:20

... problems Lower-income countries (< US$ 650 per capita) Lower middle- income countries (US$ 65 0-2 ,50 0 per capita) Upper middle-income countries (US$ 2 ,50 0-6 ,50 0 per capita) Upper-income ... import duties to no greater than 10 per cent for equipment used for any treatment facilities. During 198 4-8 9, however, only 130.9 million baht (US$ 5. 14 million) wor...

Ngày tải lên: 19/06/2014, 16:20

... 19 75 1980 19 85 Domestic discharges 12 .5 13.3 14.3 14 .5 Industrial discharges 33.0 19.7 13.7 11.3 Total discharges 45. 5 33.0 28.0 25. 8 Removed by wastewater treatment plants 5. 5 8.7 12.6 14 .5 Remaining ... instruments for encouraging efficient domestic and industrial water- use practices and for reducing wastewater volumes and loads. Water and sewerage fees can induce ur...

Ngày tải lên: 19/06/2014, 16:20

... emission-based and the water quality-based approaches to water pollution control Management aspect Emission-based approaches Water quality based approaches Effluent limits No site-specific ... years 4 As for step 3. Assets partially, to completely, depreciated and debt for investment serviced. State pays for sewage treatment Feasible in longer term: 8- 15 years 5 As...

Ngày tải lên: 19/06/2014, 16:20

... impacts on the physical environment, impacts on the water resources often imply impacts on the biological and socio-economic environment. Assessments of impacts on water quality should, therefore, ... water quality problem. Although they are less accurate, indirect techniques for obtaining the necessary information exist for a variety of water quality-related factors. It is pos...

Ngày tải lên: 19/06/2014, 16:20