The main sources of leachate generated from garbage include:(1) The infiltration of precipitation includes both rainfall and snowfall, which are the main sources of infiltration water.(2) The inflow of external surface water includes surface runoff and surface irrigation.(3) When the seepage water l

"Except for the sales of shield tunneling machines engaged in tunnel engineering, the sales of other metallurgical, mining, building materials, coal and other equipment in China have all declined, and market demand has decreased by 60% to 70%." said the relevant person in charge of a heavy

China's agricultural resources and environment are facing dual pressures of exogenous and endogenous pollution, and sustainable agricultural development is facing bottlenecks. In this context, the Ministry of Agriculture stated yesterday that the use of fertilizers and pesticides should be reduc

Desalinated water is water that removes or reduces strong electrolytes that are easy to remove to a certain extent. The remaining salt content in the desalinated water should be between 1-5 milligrams per liter.Method for preparing desalinated water:① Distillation method involves heating and evapor

1. "A B method"The "AB method" process in sewage treatment is simply divided into two stages of aeration, A and B. Each stage has an isolated and independent aeration process and sludge water separation process. For the reflux of activated sludge, it is also isolated from each ot

China Environmental Protection Online Wastewater Treatment has invested over 114 billion yuan, which is the total amount of investment from 36 key cities in the past year for the treatment of black and odorous water bodies. In the next two years, the "hat removal" action with stricter regu

If the printing and dyeing industry needs to be treated, there will basically be more wastewater treatment here. Wastewater treatment can be carried out through recycling and reuse. If it is bleaching, relevant separation work should be done for wastewater or various chromosomal wastewater. Basicall