Description
Raw Material Gas Purification
Generating Scenes
natural gas extraction, crude oil processing,coal chemical synthesis gas
Adsorption Targets
sulphide, acid gases, heavy metals and mercury vapor, VOCs
Application Scenes
natural gas desulfurization and mercury removal, refinery gas purification, coal syngas purification, shale gas pretreatment
Treatment Technology
fixed bed adsorption tower, moving bed adsorption, amine washing-AC combination, AC – catalytic oxidation
Clarkson Activated Carbon Series
CKC-PF-TCLR, CKC-PF-CHTC
Case
Mercury pollution control of a natural gas field in Beihai
Background: mercury content 0.1 μg/m³, leading to corrosion and leakage of the liquefaction cold box.
Solution: adopt modified AC adsorption tower, contact time 2 seconds, Hg adsorption capacity 18 mg/g
Effect: Outlet Hg concentration <0.001 μg/m³, equipment maintenance cycle extended from 1 to 5 years.
Desulfurization in Oil Refining Process
Generating Scenes
catalytic cracking (FCC) unit, hydrotreating and refining unit, gasoline stabilization tower with LPG processing, tail gas of acid water stripping tower.
Adsorption Targets
organic sulfur compounds, inorganic sulfur compounds, compound sulfur pollutants
Application Scenes
gasoline desulfurization, deep desulfurization of diesel, LPG refining, acid gas purification
Treatment Technology
fixed bed adsorption, moving bed adsorption, Hydrodesulfurization (HDS) + AC refining, oxidation-adsorption combination, AC – molecular sieve combination
Clarkson Activated Carbon Series
CKC-RD-TCLR, CKC-RD-CHTC
Case
Gasoline desulfurization upgrade in an oil refinery in East China
Background: mercaptan content 20 ppm, exceeding the National VI standard (10 ppm), and the cost of hydrodesulfurization is too high.
Solution: adopt modified AC fixed bed, air speed 2 h-¹, temperature 50°C.
Effect: mercaptan were reduced to 5 ppm.
VOCs adsorption and oil gas recovery
Generating Scenes
oil refining and chemical production, storage and transportation systems, equipment leakage, wastewater treatment, etc.
Adsorption Targets
C6H6 C7H8 C8H10 C₃H₈ C₂H₄ C₂H₃Cl CCl₄ C₃H₆O C₄H₈O₂
Application Scenes
tank oil and gas recovery, workshop exhaust treatment, solvent recovery, terminal exhaust gas purification
Treatment Technology
fixed bed adsorption, moving bed adsorption and desorption, vacuum adsorption and desorption, adsorption concentration + catalytic combustion, AC + biofilter
Clarkson Activated Carbon Series
CKC-OR-TCLR, CKC-OR-CHTC
Case
Oil and gas recovery project of a refinery storage tank
Background: gas discharged from gasoline tank breathing valve: non-methane hydrocarbon concentration 5-10 g/m³
Solution: adopt double-tower AC adsorption, steam regeneration, and condensation recovery of gasoline.
Effect: oil and gas recovery rate >97%.
Wastewater Deep Treatment
Generating Scenes
oil refining wastewater, chemical plant wastewater, saline wastewater, accidental wastewater,etc.
Adsorption Targets
benzene, polycyclic aromatic hydrocarbons, phenols, tar compounds, mercaptans, heavy metal ions, surfactants
Application Scenes
multi-stage adsorption, RO protective membrane systems, adsorption interception after electrochemical treatment, Accidents emergency treatment
Treatment Technology
fixed bed adsorption tower, PAC dosing, Biological activated carbon (BAC)
Clarkson Activated Carbon Series
CKC-PW-TCLR, CKC-PW-CHTC
Case
Comprehensive wastewater reuse project in a petrochemical park
Background: mixed wastewater, containing PAHs, phenols, heavy metals.
Solution: coagulation and precipitation + BAC + UF.
Effect: the effluent meets GB/T 19923-2005, and reuse rate 70%.
