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WEDNESDAY, NOVEMBER 11, 1987
STEP FORWARD IN TREATING LIVESTOCK WASTE
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THE ENVIRONMENTAL PROTECTION DEPARTMENT (EPD) TODAY (WEDNESDAY) OFFICIALLY TOOK OVER THE "SEQUENCING BATCH REACTOR SYSTEM (SBRS) SUCCESSFULLY DEVELOPED BY THE CIVIL AND STRUCTURAL ENGINEERING DEPARTMENT OF THE HONG KONG POLYTECHNIC FOR LIVESTOCK WASTE TREATMENT APPLICATIONS.
LIVESTOCK
THE ABRS IS ONE OF FOUR DEMONSTRATION PROJECTS ON WASTE TREATMENT BEING IMPLEMENTED BY THE EPD AT THE TA KWU LING PIG BREEDING CENTRE.
THE SBRS PROJECT INVOLVES THE MODIFICATION OF AN EXISTING ARRATION TREATMENT PLANT AT THE PIG BREEDING CENTRE. THE PLANT WAS ORIGINALLY DESIGNED TO TREAT WASTEWATER FROM 200 PORKERS TO 250 MILLIGRAM PER LITRE OF BIOCHEMICAL OXYGEN DEMAND AND 250 MILLIGRAM PER LITRE SUSPENDED SOLIDS AS AN INTERIM MEASURE, PRIOR TO THE IMPLEMENTATION OF LIVESTOCK WASTE CONTROL MEASURES.
THE SBRS NOW PROVIDES A SOLUTION TO UPGRADE THOSE EXISTING ON-FARM LIVESTOCK WASTE TREATMENT FACILITIES IN ORDER TO COMPLY WITH THE PROPOSED FARM EFFLUENT STANDARD OF NOT EXCEEDING 50 MILLIGRAM PER LITRE BIOCHEMICAL OXYGEN DEMAND AND 50 MILLIGRAM PER LITRE SUSPENDED SOLIDS FOR LIVESTOCK WASTE CONTROL.
DURING THE CEREMONY, DR HOWARD WARD, ASSOCIATP DIRECTOR (RESEARCH AND DEVELOPMENT) OF THE POLYTECHNIC, SAID HE
HAPPY TO SAY THAT THE CONSULTANCY PROJECT HAD BEEN SATISFACTORILY COMPLETED AND IT WAS NOW TIMELY TO HAND OVER THE TREATMENT SYSTEM TO THE EPD 90 THAT THE SYSTEM COULD CONTINUE TO BE OPERATED AND DEMONSTRATED TO LIVESTOCK FARMERS.
THE EPD ASSISTANT DIRECTOR (WASTE AND WATER), MR MIKE STOKOB, SAID THE DEMONSTRATION PROJECTS WOULD SHOW LIVESTOCK FARMERS THE PROPER WAYS AND MEANS TO INSTALL AND OPERATE PROVEN LIVESTOCK WASTE TREATMENT SYSTEMS APPLICABLE TO HONG KONG SITUATIONS.
THE OTHER THREE PROJECTS COVER THE DRY MUCK-OUT AND SOAKAWAY SYSTEM, THE EFFLUENT-FREE PIG PRODUCTION TECHNIQUE WHICH IS A COLLABORATIVE PROJECT BETWEEN THE EPD AND THE AGRICULTURE AND FISHERIES DEPARTMENT, AND THE ACTIVIATED SLUDGE TREATMENT SYSTEM BEING DEVELOPED BY THE HONG KONG PRODUCTIVITY COUNCIL FOR LIVESTOCK WASTE TREATMENT APPLICATIONS.
DUTIES),
AMONG THOSE ATTENDING TODAY'S HAND-OVER CEREMONY WAS THE DEPUTY REGIONAL SECRETARY FOR THE NEW TERRITORIES (SPECIAL MR LEO KWAN.
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