Die Verunreinigung Der Gewässer Deren Schädliche Folgen, Sowie Die Reinigung Von Trink- Und Schmutzwasser: Erster Band
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I. Allgemeine, bei Verunreinigung der Gewässer zu berücksichtigende Verhältnisse. Der erfreuliche Aufschwung, den die Industrie in den letzten Jahr- zehnten genommen hat, hat in demselben Maasse eine erhöhte Menge Ab- fallstoffe und Abwässer mit sich gebracht, welche mehr oder weniger sämmtlich in die öffentlichen Wasserläufe gelangen und dieselben verun- reInIgen. Zu dieser Art Abwasser gesellen sich noch und zwar in durch- weg viel grösserer Menge infolge der vermehrten Bevölkerung die häus- lichen Schmutzwässer aus den stark bevölkerten Bezirken und Städten. Auf solche Weise werden verschiedentlich Bäche und Flüsse derartig verunreinigt, dass Beschwerden und Klagen der benachtheiligten Anwohner tagtäglich geworden sind. Es sind daher schon seit Jahren sowohl die Regierungen wie die betheiligten Bevölkernngskreise bemüht, die Verunreinigung der Flüsse, wenn auch nicht ganz aufzuheben, so doch auf ein erträgliches Maass zu beschränken. Auch macht sich mit Recht seit Jahren das Be- streben geltend, die verunreinigten Bäche und Flüsse für die ]'ischzucht wieder zu gewinnen und muss dieses Bestreben um so freudiger begrüsst werden, als eine ergiebige Fischzucht ohne Zweifel mit Rücksicht auf die genügende Versorgung der Bevölkerung mit: H'leisch eine grosse volkswirth- schaftliche Bedeutung hat. Es kann daher als eine zeitgemässe Aufgabe bezeichnet werden, die verschiedenen Verunreinigungen der Gewässer und die Art ihrer Schädlich- keit darzulegen, sowie gleichzeitig Wege und Mittel anzugeben, wie den Verunreinigungen vorgebeugt werden kann.
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