sludge pit การใช้

• Local refineries dumped waste products in the sludge pit from the 1930s until 1957.
• The sludge was mixed with lime in three sludge pits, and then pressed into cakes.
• A clay cap was also placed on top of the sludge pit and topped with grass.
• The solution entailed the construction of a slurry wall around and under the sludge pit to avoid groundwater contamination.
• In 1968 the council required the sludge pit to be filled as a condition of the land being divided for a residential subdivision.
• Several of them have learned in recent months that their private wells have traces of volatile organic compounds exactly like those found in the sludge pits.
• DeLuca Farms, Pennimpede was stunned to learn, surrounds more than a dozen abandoned sludge pits believed to be the source of chemical contamination in the ground water.
• As for Pennimpede, the man who bought the $ 285, 000 house in the subdivision from the developer, he would just like to see the sludge pits cleaned up.
• In fact, tests of several private wells outside the DeLuca Farms subdivision show traces of the volatile organic chemicals, suggesting to some that the contamination has spread from the sludge pits.
• When the mine closed in 1954, the Albert Shire Council started to allow used recycled oil processing wastes to be dumped into a sludge pit on the site; this practice continued until 1967.
• But now some people are feeling cheated out of the peace of mind that comes with homeownership and are angry that they were not told about the sludge pits before they moved in.
• As the air passes through the water curtain, the paint mist is  scrubbed from the air and carried to a sump basin ( sludge pit ), usually located below the paint spray booth.
• That is the equivalent to the residential water use of 1.7 million Canadians . 95 % of the water used in tar sands surface mining is so polluted it has to be stored in toxic sludge pits.