High-Quality Leading Filtration System Suppliers & Manufacturer

Innovative Skid-Mounted Energy Purification, Advanced Gas Recovery, VOC Extraction, and High-Performance Cryogenic Liquefaction Technologies.

Industrial Solutions for Global Gas Recovery & Deep Filtration

Pioneering high-recovery efficiencies and low-carbon operation footprints across municipal, industrial, and petroleum processing plants.

In the contemporary landscape of global industrial processes, environmental directives and resource conservation are driving an unprecedented transition towards smarter, cleaner, and more robust engineering designs. Industrial filtration systems, gas separation modules, and skid-mounted liquefaction facilities are no longer peripheral assets; they are central components for operational profitability and regulatory compliance. Across industries ranging from oil and gas processing to clinical bio-safety waste management, our systems provide the technical capacity needed to address complex process fluids and stream separation challenges.

Globally, industrial emissions regulations are tightening under frameworks like the EU's Industrial Emissions Directive, US EPA Clean Air initiatives, and China’s dual-carbon goals. These frameworks demand high capture efficiencies for Volatile Organic Compounds (VOCs), hydrogen sulfide (desulphurisation), and greenhouse gases. Concurrently, recovery technologies for scattered methane gases, Coalbed Methane (CBM), shale gas, and Boil-Off Gas (BOG) helium are opening up clean-energy supply chains. Integrating advanced separation equipment directly helps enterprises turn legal liability and exhaust waste into high-value, pipeline-grade fuels and purified resources.

99.8%
VOC Abatement Rate
A2
Pressure Vessel Rating
50+ Sets
Skid Units Deployed
78M
RMB Registered Capital

Uncompromised Research & Engineering Expertise

Backed by leading physicists, cryogenics researchers, and thermodynamic experts from the Chinese Academy of Sciences.

Academic Background

Direct technology partnerships with Tsinghua University and the Institute of Physics and Chemistry Technology, CAS, for advanced process simulations.

Licensed Manufacturing

Holds the A2-level Pressure Vessel License, Pressure Pipeline Component certification, and CNPC/Sinopec HSE quality certifications.

Social Responsibility

Pioneering zero-emission containment solutions that actively contribute to greenhouse gas abatement and bio-safety controls globally.

Hebei Hongke Qingneng Environmental Protection Equipment Co., Ltd. (established in June 2021, with a registered capital of 78 million yuan) is a leading designer and manufacturer of energy-conservation and green environmental equipment. Strategically situated within the industrial base of Sanhe Economic Development Zone, Langfang City, our R&D processes utilize scientific advancements to manufacture highly custom, non-standard pressure vessels and integrated skid solutions. Our product profiles span natural gas purification/liquefaction, organic waste gas purification, low-temperature industrial refrigeration, and clinical waste treatment plants.

Our Scientific Core Team

Dr. Sun Zhaohu
Founder & Chairman
Doctoral graduate from the Institute of Physics and Chemistry Technology, Chinese Academy of Sciences (CAS). A national senior engineer who has presided over major aerospace, military, and state-funded 863 Program projects. Honored with the Beijing Science and Technology Award (First Prize) and the Technological Invention Award of the Chinese Society of Refrigeration. Guided 20+ independent R&D patents into large-scale commercial operation.
Zou Xin
General Manager & Senior Engineer
Ph.D. candidate and senior engineer from the Institute of Physics and Chemistry Technology, CAS. Led major market and engineering initiatives for complex skid-mounted projects. Published 24 academic research papers (including 11 indexed by SCI/EI) and holds 5 national patents. Recipient of the silver medal at the 19th China International Industry Expo.
Dr. Cheng Kuwei
Chief Process Engineer
Doctor of Engineering from CAS. Principal developer of the skid-mounted natural gas liquefaction systems specification series. Renowned expert in phase change heat transfer characteristics and flow thermodynamics of mixed working mediums. Recipient of multiple state engineering awards, bridging fundamental cryogenic research with heavy-duty plant deployments.

Engineering Core Capabilities & Technical Matrix

Uncovering the thermodynamic and mechanical principles behind our gas processing and high-temperature waste systems.

The technical integrity of our systems relies on detailed fluid calculations, heat exchange models, and precise mechanical designs. In deacidification, dehydration, and heavy hydrocarbon removal, we utilize molecular sieves and amine absorption towers to strip moisture, CO₂ and H₂S. This prepares feed gases for liquefaction or clean piping. By adjusting column pressure, gas velocities, and temperature gradients, our plants operate without freezing or forming hydrates.

For cryogenic gas liquefaction, our engineers utilize mixed refrigerant cycle (MRC) systems. By compressing, cooling, and expanding a dynamic blend of nitrogen and light hydrocarbons, we reach temperatures as low as -162°C for LNG and -180°C for industrial chilling. These process cycles are skid-mounted on modular structural frames, minimizing field piping, lowering civil installation costs, and allowing for simple transport to remote gas fields.

For industrial VOC and biological waste abatement, we implement multi-stage thermal and physical barriers. Medical waste treatment is governed by high-temperature steam sterilization kinetics. By maintaining pressure within standard safety bounds, viruses and bacterial spores are completely deactivated. VOC treatment devices utilize catalytic oxidation or carbon adsorption systems to cleanly transform organic exhaust streams into eco-friendly compounds.

Application Category Primary Process Equipment Core Technical Parameters & Performance Specs
Natural Gas Conditioning Amine Absorption, Molecular Sieve Dehydration, Hydrocarbon Separation Towers H₂S extraction down to <4 mg/Nm³, H₂O dewpoint to <-70°C, high methane recovery.
Gas Liquefaction Skids Mixed Refrigerant Compressing (MRC) Skids, Cold Boxes, BOG Helium Extractors Standard cooling down to -180°C; capacities from 10,000 to 500,000 Nm³/day.
VOC Exhaust Treatment Catalytic Combustion, Direct Thermal Oxidizers, Regenerative Adsorption Skids Treatment efficiency >99%; compliant with global EPA and regional VOC limits.
Industrial Cryogenics Ultra-low Temperature Chillers, Vacuum Cold Traps, Freeze Dryers Operational range between -40°C to -135°C; suitable for pharmaceutical and material tests.
Bio-Safety & Disinfection High-Temperature Steam Sterilizers, Tissue Hydration Chambers, Medical Waste Skids Pressure vessel designs under ASME / GB standards; complete biological spore eradication.

Proven Case Performance & Application Scenarios

Translating theoretical engineering research into reliable field operations across global industries.

Our engineering portfolio includes small-to-large scale projects deployed across diverse geographic environments. From remote gas wells utilizing vehicle-mounted LNG systems to busy hospitals using on-site mobile medical waste processors, our equipment is built for resilience. Below, explore some of our real-world projects and field installations.

Laboratory Animal Residue

Laboratory Animal Residue Harmless Treatment Project

Integrated system utilizing thermal hydrolysis technologies for complete safety containment in research institutions.

Mobile medical waste disposal

Mobile Medical Waste Disposal Plant System

Self-contained high-temperature steam sterilization systems designed for emergency and rural healthcare applications.

Well Gas Liquefaction

Wellhead Natural Gas Skid Liquefaction Facility

Operational gas liquefaction unit processing scattered wellhead flare gas into marketable LNG.

Centralized medical waste

Centralized Hospital Waste Treatment Center

Heavy-duty, high-capacity steam processing line with automated shredding and zero-air-pollution exhaust filters.

Factory workshop view
System fabrication
Welding quality control
Completed skid test

Technology Roadmap & Future Innovations

Continuous evolution toward carbon-neutral designs, smart telemetry, and cryogenic helium extraction systems.

Our long-term engineering plans are focused on three primary areas: improving thermodynamic efficiency, adding automated process controls, and supporting sustainable energy transitions. Our research teams are developing next-generation gas recovery technologies to address cryogenic separations for carbon capture and storage (CCS) systems directly within industrial flaring units.

By upgrading our skid-mounted configurations with intelligent sensor arrays and IoT edge gateways, operators can monitor pressure drops, flow rates, heat exchange ratios, and VOC saturation levels in real time. We are also refining BOG helium extraction processes to reclaim helium from LNG storage tanks, offering high economic returns from previously wasted gas streams.

Phase 1: Smart Skids
IoT Telemetry & Diagnostics

Deploying remote sensor arrays across our pressure vessels and purification skids, enabling predictive maintenance and cloud-based performance optimization.

Phase 2: CCS Integration
Carbon Capture and Storage

Integrating cryogenic amine separation stages directly into VOC and natural gas processing plants to capture and sequester CO₂ emissions.

Phase 3: Deep Cryogenics
High-Purity Helium Extraction

Developing advanced extraction skids to separate trace helium from LNG Boil-Off Gases (BOG) down to ultra-pure commercial levels.

Expert Whitepaper Q&A (FAQ)

Answers to technical, regulatory, and mechanical questions about our purification and gas treatment plants.

What pressure vessel manufacturing codes and standards does Hongke Qingneng support? +
We hold the A2-level Pressure Vessel Manufacturing License and Pressure Pipeline Component Manufacturing License. Our designs align with regional GB specifications (GB/T150 for Pressure Vessels). Additionally, we implement ISO 9001 quality management processes, Sinopec HSSE, and CNPC Health, Safety, and Environment Management systems, ensuring compliance across major global markets.
How does the mixed refrigerant cycle (MRC) optimize energy efficiency in natural gas liquefaction? +
Our MRC liquefaction system uses a mixture of nitrogen and hydrocarbons. By matching the cooling curve of the refrigerant with the warming curve of the feed gas, thermodynamic losses are minimized. This design reduces specific power consumption (kWh per kg of liquefied gas) by up to 15% compared to typical nitrogen expansion systems.
What VOC abatement efficiency can your multi-stage purification equipment guarantee? +
Our multi-stage purification plants combine primary physical absorption, molecular sieve adsorption, and catalytic oxidation (CO/RCO) processes. This setup routinely yields a VOC destruction and removal efficiency (DRE) of over 99.8%, helping industrial plants comply with strict environmental requirements.
How are your medical waste disposal systems protected against bio-hazard leaks? +
Our mobile and centralized medical waste units utilize high-temperature autoclave processes. Waste is subjected to saturated steam under pressure, ensuring complete thermal deactivation of pathogens. The process features hermetically sealed chambers and high-efficiency particulate air (HEPA) exhaust filtration to prevent any hazardous emissions.
What are the shipping and installation advantages of your skid-mounted plant designs? +
Every skid-mounted gas treatment plant is built on a structural steel frame, fully pre-wired and pipe-tested at our Langfang factory. This reduces field installation times from months to a few days. The modular layout allows for standard road or maritime transport, making them suitable for remote wellheads or industrial parks.

Inquiry Information - Ask Us

If you have any needs, please feel free to contact us. Our academic team and technical engineers are happy to serve you.

Whether you require custom process simulations for amine sweetening, heat exchanger sizing for low-temperature applications, or regulatory pressure vessel manufacturing, our experts can help design your system. Contact our engineering team for a project review and formal proposal.