Nagy László (szerk.): A vízgazdálkodás fejlődése (TIT, Budapest, 1970)

X. Mellékletek

Fig. 87. Water tower in Leninváros (Tiszaszederkény) 314

Fig. 88. The water supply of Esztergom is aided by a new horizontal well 317

Fig. 89. The yield of Borsodszirák wells is increased by groundwater recharge 318

Fig. 90. Szolnok has obtained a modern 2000-cu.m water tower 322

Fig. 91. Aquaglobes are frequently used in rural water supply 327

Fig. 92. Hydroglobes are often used to store drinking water for farms 328

Fig. 93. In the engine room of waterworks, there is an exemplary tidiness 329

Fig. 94. In meeting summer peaks of water demand, moving water-treatment

plants are a powerful aid 331

Fig. 95. The Vác sewage plant is built on the Danube embankment 333

Fig. 96. Kessener-type aerating tank in operation 335

Fig. 97. The sewage of Keszthely is treated in a new plant 338

Fig. 98. The town Dorog also obtained a new sewage plant 339

Fig. 99. The treatment of sewage in trickling filters 341

Fig, 100. High-rate trickling filters are tower-like constructions serving biolo

gical treatment 343

Fig. 101. A great amount of water is withdrawn from rivers for industrial purposes 349

Fig. 102. Dunaújváros has a substantial water demand 352

Fig. 103. Water demand of the machine industry has to be met too 354

Fig. 104. Before use, water is processed by softeners and clarifiers 359

Fig. 105. Warm water is re-cooled is cooling towers 363

Fig. 106. Thermal power plants require much water 368

Fig. 107. Warmed-up cooling water is conveyed to flats through district-heating pipelines 370

Fig. 108. Apparatus for recirculating industrial water 372

Fig. 109. Drum filter removes suspended solids from the effluent of Dunakeszi

Canning Factory 375

Fig. 110. The treatment of industrial wastes is aided by aerating tanks 379

Fig. 111. It is often sufficient to treat the effluent of thermal power stations

by aeration 384

Fig, 112. A considerable part of industrial wastes can be used again after

treatment 392

Fig. 113. Hévíz is a spa of European renown 395

Fig. 114. A 1000-cu.m thermal water reservoir was built in Debrecen 399

Fig. 115. There is a cave-bath in Miskolc-Tapolca . 401

Fig, 116. The bath of Fort Diósgyőr is fed by thermal water 404

Fig. 117. Thermal water is also used to heat glass-houses 405

Fig. 118. When arriving to the plains, rivers become wider 407

Fig. 119. Silted-up channels have a reduced water-carrying capacity 407

Fig. 120. Drainage by open canals 408

Fig. 121. Water erosion on hillsides 411

Fig. 122. Landslide is prevented by sand-trap dams 413

Fig. 123. There are many watercourses awaiting regulation 414

Fig. 124. Drainage by means of tile pipes 416

Fig. 125. Terracing is a good remedy against soil erosion 418

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