Encyclopedia of Environmental Science and Engineering, Volume I and II

396 EUTROPHICATION varies with the organism and with the type of nitrogen. For ammonia nitrogen the optimum range varies from 0. ...

EUTROPHICATION 397 In addition, since algae are organic in nature, they exert a biochemical oxygen demand (BOD) on the stream ox ...

398 EUTROPHICATION ammonia nitrogen present is readily liberated as a gas and is absorbed into the atmosphere. Aeration is usual ...

EUTROPHICATION 399 the exchange capacity due to sulfates and other ions. The former may be reduced by removing the organic matte ...

400 EUTROPHICATION Ingram, W.M. and G.W. Prescott, Toxic fresh-water algae, Amer. Midland Naturalist, 52, 1954, pp. 75–87. Derb ...

EUTROPHICATION 401 Eliassen, Rolf et al., Removal of nitrogen and phosphorus, 23rd Purdue Industrial Waste Conference, Purdue U ...

402 F FLUIDIZED BED COMBUSTION INTRODUCTION The technology for reacting suspended coal particles with a gas fl owing through the ...

FLUIDIZED BED COMBUSTION 403 maintaining the transport (entrainment) of the bed material throughout the length of the combustor. ...

404 FLUIDIZED BED COMBUSTION turbine must be fl exible. An effective turbine should be able to accept low gas temperatures, be m ...

FLUIDIZED BED COMBUSTION 405 joule is the limit for lignite which is mined in North Dakota, South Dakota, or Montana and which i ...

406 FLUIDIZED BED COMBUSTION continuous; this is to allow the temperature rise to be more uniform.^14 One of the larger commerci ...

FLUIDIZED BED COMBUSTION 407 exist in any gas-solid fl uidized bed. Excess gas which is not needed for fl uidization circulates ...

408 FLUIDIZED BED COMBUSTION Preliminary studies indicated that the reaction did pro- ceed and could be an effective method for ...

FLUIDIZED BED COMBUSTION 409 Other problems associated with bubbling beds are scale- up and turn-down. Scale-up is limited becau ...

410 FLUIDIZED BED COMBUSTION material a good candidate for use in cement kilns and con- crete. The maximum sulfur content per AS ...

411 FOSSIL FUEL CLEANING PROCESSES The amount of pollutants, especially sulfur oxides and par- ticulates emitted to the atmosphe ...

412 FOSSIL FUEL CLEANING PROCESSES inorganic (pyritic and sulfate) matter. The organics may be removed by various cleaning proce ...

FOSSIL FUEL CLEANING PROCESSES 413 In addition, during the course of desulfurization, non-sulfur containing molecules may be hyd ...

414 FOSSIL FUEL CLEANING PROCESSES schematically represents a general fl owsheet for crude oil pro- cessing. Crude oil, as recei ...

FOSSIL FUEL CLEANING PROCESSES 415 contents of petroleum stocks are mainly in the form of thio- phenes and thiophanes and these ...