Amy is the chemistry teacher of A-level course, and also the environmental management teacher in this semester. She has studied in Japan and Germany and worked as a sewage treatment engineer in Germany. She is an a...
Product Description MBR is a new sewage treatment device which combines the ultrafiltration membrane separation technology with the bioreactor in sewage treatment. This reactor combines the advantages of membrane treatment technology and biological treatment technology. Ult...
More and more cities are building sewage-treatment plants.Instead of being dumped into a nearby river or lake,sewage is sent through a system of underground pipes to a giant tank where the water is separated from the solid material,purified,and returned for reuse to the community water supply...
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( )12.A.treatment B.consideration C.world D.knowledge ( )13.A.way B.law C.hope D.will ( )14.A.shows B.preserves C.predicts D.protects ( )15.A.escape B.survive C.refuse D.select 三、语法填空 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。 语篇类型:说明文 主题语境...
Inside the Treatment Plant Small sewer pipes join up to form bigger and bigger pipes , The sewage moves through this large group of pipes to a sewage treatment plant . Here , the water is cleaned . Things in the water that can make peo...
Sewage is waste water and substances from communities; effluent is treated or untreated discharge flowing from a facility.
is an overestimate; but almost all of them agree that bathers are at risk. Industry adds its own poisons. Factories cluster round the coastline, and even the most modern rarely has proper wastetreatment plant. They do as much damage to the sea as sewage.But the good news is that the ...
Sludge is a semi-solid waste byproduct from sewage treatment, while sewage refers to the waste water and contents flowing through sewer systems.