Sludge is commonly seen in fish ponds, rivers, lakes and other waters. If not treated properly, they will breed bacteria and give off stench, which will badly pollute our homeland. Sludge treatment should start from the characteristics of the sludge. Sludge is a kind of organic matter, and it is also the product of sewage treatment. Its morphology ranged between liquid and solid. The general method is hard to recycle the sludge. The followings are some common method used to treat sludge.
The hemp rod carbon produced by smokeless carbonization furnace can fill the market demand
With the progress of productivity, the market demand of hemp stalk charcoal also gradually increased. From 1990 to 2004, the demand for hemp stalk charcoal has reached 11 thousand tons. And until 2015, the increasing speed of hemp stalk carbon is still maintained at no less than 4%.The huge demand space has predicated that … Read more…