Process for the purification of waste waters with

专利名称：Process for the purification of waste waters

with activated carbon

发明人：Gunther Gappa,Harald Juntgen,Jurgen

Klein,Jurgen Reichenberger

申请号：US05/598385申请日：19750723公开号：US04007116A公开日：19770208

摘要：A process for the purification of waste water containing dissolved organiccarbon contaminants which comprises

A. PASSING THE WASTE WATER UPWARDLY THROUGH A COLUMN OF ACTIVATEDCARBON PARTICLES,

B. DETERMINING THE TOTAL ORGANIC CARBON CONTENT OF THE WATER BEFOREIT ENTERS THE COLUMN AND SIMULTANEOUSLY AT A LOCATION THAT IS BETWEEN 30AND 70% OF THE TOTAL HEIGHT OF THE CARBON PARTICLES IN THE COLUMN,

C. CONTINUOUSLY WITHDRAWING THE SPENT CARBON PARTICLES FROM THEBOTTOM OF THE COLUMN AT SUCH A RATE AS TO MAINTAIN AN ESSENTIALLYCONSTANT PRESELECTED DIFFERENCE BETWEEN THE TOTAL ORGANIC CARBONCONTENT OF THE WATER AS IT ENTERS THE COLUMN AND AT THE PRESELECTEDLOCATION THAT IS BETWEEN 30 AND 70% OF THE HEIGHT OF THE CARBON PARTICLESIN THE COLUMN,

D. CONTINUOUSLY INTRODUCING FRESH ACTIVATED CARBON PARTICLES OR

REACTIVATED CARBON PARTICLES AT THE TOP OF THE COLUMN AT SUCH A RATE ASTO COMPENSATE FOR THOSE WITHDRAWN AT THE BOTTOM OF THE COLUMN, AND

E. REMOVING THE PURIFIED WATER AT THE TOP OF THE COLUMN.

申请人：BERGWERKSVERBAND GMBH

代理人：Michael J. Striker

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