Dec 26

Introduction of decanter centrifuge function

The decanter centrifuge is used in separating suspension with solid phase concentration being 2~70% and liquid phase viscosity υ≤0.01Pa•S and containing solid phase granule of particle diameter d≥2μm, in separating the suspension of amorphous material difficult for renewing filtering cloth and of big change in solid phase concentration. And the centrifuge is also used in the range needing to separate solid and liquid substance for petroleum, chemical industry, food, pharmacy and environmental protection, etc., able to finish dehydration of solid phase, liquid clarifying, separation of liquid to liquid to solid, andgranularity grading, etc.

Coal Seam Methan Instruction

Coal seam methane (CSM or Coal Bed Methane), coalbed gas, or coal mine methane (CMM) is a form of natural gas extracted from coal beds. In recent decades it has become an important source of energy in United States, Canada, and other countries. Australia has rich deposits where it is known as coal seam gas. The term refers to methane adsorbed into the solid matrix of the coal. It is called ‘sweet gas’ because of its lack of hydrogen sulfide. The presence of this gas is well known from its occurrence in underground coal mining, where it presents a serious safety risk. Coalbed methane, often referred to as CBM, is distinct from a typical sandstone or other conventional gas reservoir, as the methane is stored within the coal by a process called adsorption. The methane is in a near-liquid state, lining the inside of pores within the coal (called the matrix). The open fractures in the coal (called the cleats) can also contain free gas or can be saturated with water. Unlike much natural gas from conventional reservoirs, coalbed methane contains very little heavier hydrocarbons such as propane or butane, and no natural gas condensate. It often contains up to a few percent carbon dioxide. Some coal seams, such as those in certain areas of the Illawarra Coal Measures in NSW, Australia, contain little methane, with the predominant coal seam gas being carbon dioxide.

Decanter Centrifuge for CSM

Mud system for CSM normally only choose shale shaker, desander and desilter for 3 phase cleaning. But the recycled mud density will goes up and up as the fine solids can’t separate out by desilter so that a centrifuge will required or leave the mud and mixing new mud again. A middle speed centrifuge could separate solids up to 5-7 microns and a high speed centrifuge could separate solids up to 2-5 microns.

GN Solids Control is a proffessional manufacture for solids control equipment including decanter centrifuge. Please contact us freely

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