2×60000Nm3/h CGAS gasifiers for alumina kilns
By-product 0.8Mpa saturated steam
4×80,000 Nm3/h CGAS gasifiers
Supplies industrial gas for nickel laterite rotary kilns
Processes high-moisture (40%) lignite → high-calorific gas
Industrial gas cost: <￥1/Nm3
Operational since 2021 | Single-unit continuous operation: >4 years (as of March /2025)
3×66,000 Nm3/h CGAS gasifiers for alumina kilns
High recirculation rate | ±10°C axial ΔT
Achieved 150-day mechanical completion (2023)
2×40,000 Nm3/h CGAS gasifiers
Fuels alumina/chlor-alkali production
High-alkali coal feedstock
Operational since 11/2023
8×70,000 Nm3/h CGAS gasifiers for alumina kilns
1×50,000 Nm3/h CGAS gasifiers for alumina kilns
Operational since 12/2023
2×50,000 Nm3/h CGAS gasifiers for alumina kilns
Blends Indonesian lignite/domestic coal
Operational since 12/2023
1×10,000 Nm3/h CGAS gasifier
Fuel gas for spodumene roasting
Supports 50,000 t/y lithium hydroxide production
Local high-moisture coal feedstock
4×80,000 Nm3/h CGAS gasifiers
40% ultra-low load through variable cross-section furnace
Waste heat boiler 3.8MPa/450℃
Pioneered 350°C dusty gas valves
Centralized pipeline network control
1×20,000 Nm3/h CGAS gasifiers
First glass industry application
Operational since 2024
Customized process ensuring ultra-low dust/moisture control
3×60,000 Nm3/h CGAS gasifiers replaces 20 fixed-bed units
Supports 380,000 t/y synthetic ammonia production
High-alkali coal adaptation (low ash, variable melting point)
70% effective gas content (CO+H?)
Operational since 2020
Certified in 2022 by China Petroleum and Chemical Industry Association (CPCIA) as: International advanced technology (overall), Global leading in high-alkali coal gasification
Utilizes low-reactivity, high-ash anthracite
Low oxygen consumption: ~200 Nm3O?/kNm3(CO+H?)
Selected as CAS 2020 Top Tech Transfer Achievement（(1 of 6）
2×70,000 Nm3/h O?-blown CFB gasifiers → Ethanol production syngas
1×290 t/d O?-fueled fly ash melter → 16,000 Nm3/h byproduct gas
Medium-low CV bituminous coalboli
Utilizes gasification ash from CGAS gasifiers and biomass through pure oxygen fluidized melting gasification technology, to produce syngas for cascaded resource utilization
Capacity: 290 tonnes/day
Technology: Fluidized bed preheating + high-temperature entrained-flow melting
Outputs: 16,000 Nm3/h syngas and molten glass body
Syngas Utilization: Direct feedstock for downstream coal chemical production units
Streamlined process, low CAPEX, easy operation, and eco-friendly performance
Equipment: 1× Circulating Fluidized Bed (CFB) Incinerator (490,000 tons/year)
Gasification ash/slag from entrained-flow gasifiers → syngas for Ethylene glycol production
Filtered ash/slag directly fed into incineration system without drying → Steam generation for coal cascaded utilization
Equipment: 1×75 t/h Residual Carbon Combustion Furnace for treating gasification ash/slag
Commissioned in August 2022; all parameters and technical indicators are performing well.
Plant-wide energy efficiency and secondary energy utilization rate significantly improved, achieving maximum energy efficiency and zero emissions.
Capacity: 100 tons/day
Sludge Pressing + Drying + Continuous High-Speed Carbonization
Precise control of pressing parameters significantly reduces sludge moisture content
Remarkable volume reduction: 100 tons of sludge yields approximately 12–14 tons of carbonized product
Hot flue gas from carbonization is recycled as a heat source for sludge drying
Natural gas consumption significantly reduced, resulting in low operating costs
Equipment : 1×50 t/d sludge carbonization unit
Process: Dehydrated sludge → high-temperature carbonization → stable and eco-safe carbonized products; The generated combustible gas provides a heat source for the carbonization process
Addresses the issue of secondary pollution from sludge
40 tonnes/day sludge treatment via thermal drying + continuous high-speed carbonization;
Workflow: 80% moisture sludge → thermal drying (30% moisture content) → carbonization unit → carbonized products.
During operations, ZHGAS is responsible for inspections, routine maintenance, and operations for the sludge treatment facilities.
