HEFI GROUP: More Than Consultants. Development Catalysts.
VALUE PROPOSITION: Local Insight, Global Standards, Sustainable Impact.
PROOF & CREDIBILITY : Trusted by Partners Across Cambodia
πΉ HEFI (/ΛhiΛfaΙͺ/) is a pioneering platform founded on a profound commitment to Cambodia and its people, guided by purpose, integrity, and an unwavering belief in the nation's boundless potential.
π΄ Integrated Investment Platform: : Cambodia’s first end-to-end solution combining consulting, development, permitting, and execution services to simplify market entry and streamline investment success.
π΄ Science-Industry Innovation Platform: HEFI unites scientists and industry leaders to transform knowledge into impact, bridging research, innovation, scale-up, and commercialization to create lasting prosperity for communities.
ABOUT HEFI Group
Scientific Research & Engineering Design Services
Sustainability Assessment, ESG, EIA, Permitting & Compliance Services
Investment Facilitation, Government Liaison & Regulatory Support Services
πΏ
We welcomes partnerships with organizations and professionals in:
π΄ Scientific Research & Engineering Design
π΄ Sustainability Assessment & Compliance
We also incubate high-potential ventures from our research and feasibility studies, seeking strategic partners and investors to scale proven concepts into successful, impactful businesses.
Fostering Strategic Partnerships for Sustainable Development
Sustainability in Action:
Science, Engineering, and Innovation for a Resilient World
ABOUT SUSTAINABILITY
π΄ At HEFI, sustainability is at the heart of our work. We focus on three pillars — Environmental Sustainability (Planet), Social Sustainability (People), and Economic Sustainability (Prosperity)— to create lasting environmental, social, and economic value. This section highlights our approach and selected projects that reflect our commitment.
ECONOMIC SUSTAINABILITY (PROSPERITY)
β€ Green Cities, Green Industrial Parks/ SEZs
β€ Sustainable land use & Infrastructure
β€ Innovation& Green economy β€ Sustainable materials, Clean technology
SOCIAL SUSTAINABILITY (PEOPLE)
β€ EIA | ESG | OSH
β€ Health, Safety & Well-being
β€
ENVIRONMENTAL SUSTAINABILITY (PLANET)
β€ Net-zero emissions, Renewable energy β€ Climate change & Atmospheric protection
β€ Air Pollution, Water Pollution, Soil Contamination β€ Waste Management, Recycling & Waste Recovery
01
Books and e-books
02
Guides and manuals
03
Training materials / course link
Water and Wastewater Conveyance: Pumping, Hydraulics, Piping, and Valves
CRC Press
Frank R Spellman
Year:
2016
Wastewater
English
Language:
Category:
Water and Wastewater Calculations Manual
McGraw-Hill Professional
Shun Lin, C. Lee
2007
Handbook of water and wastewater treatment plant operations
CRC Press/Taylor & Francis
Frank R. Spellman
2009
Biological wastewater treatment : principles, modelling and design
IWA Pub
Henze, M
2008
Biology of wastewater treatment
World Scientific Publishing Company
N. F. Gray
2004
ABCDEFG
2006
Manual
ABCD
Guide
