Results 221 to 230 of about 116,223 (252)
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Measurement of biological oxygen demand in sandy beaches
South African Journal of Zoology, 1979Measurements of biological oxygen demand in a sandy beach using conventional in situ techniques are compared with laboratory measurements of interstitial oxygen changes in intact cores. Oxygen uptake as measured in the laboratory was approximately three times that measured in the field despite the fact that the cores were undisturbed.
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Biological Oxygen Demand Dynamics in the Lower San Joaquin River, California
Environmental Science & Technology, 2006Dissolved oxygen less than 5 mg L(-1) (U. S. EPA advisory level) commonly occurs in the lower San Joaquin River (SJR), California. Most acute episodes typically occur in late summer and fall. The oxygen deficit can stress and kill aquatic organisms, often inhibiting the upstream migration of Chinook salmon (Oncorhynchus tshawytscha).
Emily C, Volkmar, Randy A, Dahlgren
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Chlorinated organics as a factor in reduced biological oxygen demand (BOD)
Journal of Environmental Science and Health . Part A: Environmental Science and Engineering, 1978Abstract A demonstration that “second‐order”; chlororganics might, in part, be responsible for the BOD reduction that is observed upon chlorination of wastewater has been hampered by the inability to devise an experiment that is not complicated by other contributing factors.
Robert M. Carlson, Duane W. Long
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Biological oxygen demand (BOD) monitoring by a multiprocessing system
IEEE Transactions on Instrumentation and Measurement, 1991The describes the development of a prototype device in which parallel computer control techniques are used for the rapid on-line measurement of the biological oxygen demand (BOD). Wastewater samples diluted with fresh water are fed into a whirl bed reactor in which microorganisms are grown. A computer-based feedback controller keeps the oxygen consumed
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The response of Moina brachiata (Jurine) 1820 to biological oxygen demand, oxygen, and light
Hydrobiologia, 1970A steady-state gradient apparatus was used to study population dynamics and to investigate chemical, physical, and behavioral characteristics influencing populations. Preferential localization of the cladoceranMoina brachiata (Jurine) was observed within the experimental gradient. Laboratory and field studies suggest thatM.
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NIPES - Journal of Energy Technology and Environment
Beverage wastewater contains non-biodegradable organic pollutants, which present significant challenges to conventional biological treatment systems. In this study, natural kaolin clay was evaluated as a low-cost adsorbent for the treatment of beverage industry effluents.
Israel Adekunle Adetunji +4 more
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Beverage wastewater contains non-biodegradable organic pollutants, which present significant challenges to conventional biological treatment systems. In this study, natural kaolin clay was evaluated as a low-cost adsorbent for the treatment of beverage industry effluents.
Israel Adekunle Adetunji +4 more
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The Chemical Oxygen Demand of Waters and Biological Materials from Ponds
Transactions of the American Fisheries Society, 1973Abstract The rate of oxygen consumption by organisms in pond waters, as measured by a dark bottle technique for a 24-hr period, increased with increasing chemical oxygen demand (COD). Rate of oxygen consumption increased with temperature between 15 and 35 C (Q10values were 1.5 to 2.0).
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BOD (Biochemical Oxygen Demand or Biological Oxygen Demand) Incubator
2020Aakanchha Jain, Richa Jain, Sourabh Jain
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Student Investigations of Biological Oxygen Demand
School Science and Mathematics, 1969Weldon L. Witters, Patricia Witters
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