Titlebook: Water Resources and Control Processes; Volume 4 Lawrence K. Wang,Norman C. Pereira Book 1986 The HUMANA Press Inc. 1986 Filtration.Groundwa

解開(kāi)

Drying and Evaporation Processes,atment is to concentrate, separate, dispose, or utilize wastes and pollutants and to regenerate and return clean water to the environment. In this context, the discussion here will be limited only to industrial and municipal sludge dewatering, evaporation, and drying.

Anguish

Dredging Operations and Waste Disposal,onveyance to and disposal of the material at an appropriate disposal site. It is thus doubly important environmentally—in the area of removal and in that of accumulation—besides having other, often significant side-effects. In general, there are two types of dredging operations: new-work dredging an

會(huì)議

Gustatory

滔滔不絕地說(shuō)

chlorosis

Control of Reservoirs and Lakes,ad, the larger bones were used for weapons and tools, and any part that was not used by man was utilized by other parts of the immediate environment. This latter could include rapid consumption by other carnivorous animals or slow biodegradation by microorganisms, worms, termites, and so on.

delusion

dandruff

Deep-Well Disposal,iminishing with time. Costs of disposal or storage using conventional and advanced waste treatment techniques are increasing rapidly. These and other factors have caused both dischargers and regulatory agencies to consider subsurface injection as a mechanism for the disposal of waste fluids.

者變

floodgate

Dredging Operations and Waste Disposal,d maintenance dredging. The former comprises the improvement (i.e., deepening or widening) of a channel and/or harbor area by removing mainly stones and compacted sediments that were deposited through the geologic ages. The latter is employed mainly to remove the loose sediments that tend to fill up previously excavated channels.