Abderrahman Adam, Zehraoui. Ph.D, AM.ASCE

***** ****** **, *******, ** 46321, USA. Cell: 513-***-****. adzaf9@r.postjobfree.com

Dynamic and enthusiastic engineering professional who utilizes creativity, leadership and teamwork to design and execute engineered civil and environmental solutions that protect our universe and create customer value. Throughout my career, I have maintained a strong sense of ethics and distinguished myself as a leader, blending global reach, local knowledge, strategic thinking and technical excellence to deliver sound solutions.

EDUCATION

Ph.D. Civil/Environmental Engineering, University of Cincinnati, Cincinnati, OH, 2013.

MSc. Projects Management (Data Mining and Statistical IT), Pavia University, Pavia, Italy, 2005.

BSc. Physics & Chemistry, University of MOHAMED V, Rabat, Morocco, 1993.

KEY COMPETENCES

Leadership – Efficiency – Strategic Planification/Vision – Negotiation – Project Management – Process

Optimization – Costs Saving – Design &Construction Mastering – Water Conservation (Source and Non-Revenue Water Loss Reduction).

SKILLS SUMMARY

Professional experience in water & wastewater treatment facilities, pumping stations, and pipe network (design, construction, and operation & maintenance); project management office; geotechnical engineering, conventional, biological, and advance treatment process; HSE; solid waste management, landfill engineering, and detailed design; statistical IT, and data mining & warehousing.

Project Management, Project Management Office & Asset Management

Planning for new business development (utility facilities).

Proven experience working with top senior executives to deliver successful projects.

Excellent project management skills to balance multiple priorities.

Excellent and optimum resources management to meet changing priorities and focus.

Outstanding strategic project planning.

Theory and algorithms in project scheduling (WBS, AOA, AON, CPM, PERT, EDM, CCP, TOC, CCPM)

Launching and bidding of projects; judgment & selection of bidders.

Project monitoring, control, and project risk control.

Construction project management (FIDIC Red Book), procurement and contract management, as well as cost estimation & control.

Project quality management and human resources allocation.

Project management office (project implementation, tracking, support, assessing and measuring success –Key Performance Indicators).

Asset management for wastewater facilities: International Infrastructure Management Manual & Publicly Available Specification PAS 55-1/2.

International Funding Donors (EU, GIZ, KfW, AFD, JBIC, ABD,…).

Foundation Engineering & Structural Design

Extensive experience in field work of earthworks. geotechnical aspects of foundations engineering and design

Good knowledge of building code requirements for structural concrete (ACI 318-11) and Commentary.

Good knowledge of (ACI 350-06) Code Requirements for Environmental Engineering Concrete Structures and Commentary.

Good knowledge in controlling geotechnical works and reports.

Good knowledge of pavement design.

Sewer, Pumping Stations, and Wastewater Treatment Plant: Design, Rehabilitation, Construction and O&M

Performed flow and load analysis to determine historical flow and load factors; preparation of related parts of flows and loads TM. Interaction with lab, initial analysis of data for consistency, unit process mass balance.

Run models to provide design parameters. Also, able to do majority model calculation and calibration.

Pumping station design work as well as construction and/or supervision of construction of wastewater treatment plant.

Hands on experience in industrial wastewater treatability study.

Hands on experience in sewer pipes dimension, design, and construction.

Hands on experience in controlling and managing sewer pipes project management in design, construction, and during operation & maintenance.

Hands on experience in evaluation and rehabilitation of sewer pipes (structural and hydraulic evaluation methods, infiltration and inflow source detection) high water-pressure cleaning systems, and lining.

In-depth knowledge and hands on experience in the O&M of sewers, pumping station, and wastewater treatment plants (BMP, predictive as well as preventive maintenance: root cause failure analysis, statistical approaches, and case-based maintenance).

Centralized control, supervision, and budget planning of decentralized services (sewer cleaning, pumping stations O&M, hygiene & safety).

In-depth knowledge and experience in HSE in confined spaces and wastewater facilities (Elaboration of manual for engineers and technicians in HSE as well as giving lectures).

Control of application of hygiene & safety regulations.

Water, Wastewater, and Stormwater Piping Design and Construction

Design and analysis of pipes (for gravity flow, pressure, rigid, steel and ductile iron, PE, and PVC pipes).

Pipe structural requirements calculation.

Pipes codes (ANSI, AWWA, ASTM, ASME,…).

Construction of excavation and installation of temporary support of excavation systems.

Installation of all pipes (with different types and diameters).

Installation of in-place concrete structures.

Geotechnical work respects for earthworks (excavation, backfill and compaction).

Management of water (dewatering and flow handling).

Stormwater water management during construction: BMP’s for construction in waterways;

Traffic management.

Water Treatment Plant: Design, Construction, and O&M

Performed water treatment hydraulic calculation and profile development.

Hands on experience in controlling and performing studies and construction supervision of water network, pumping stations, and water treatment plants.

Experienced on the conventional water treatment plant unit process such as coagulation, filtration/ sedimentation, and disinfection; various chemical process design, equipment, and pump size selection.

In depth knowledge on advanced water treatment technology such as membrane, carbon adsorption, and Ozone/UV oxidation.

Hands on experience managing and troubleshooting water filtration (membrane) treatment (Controlling permeability, TMP, flux, backwashing, CIP,…).

Hands on experience on jar test and all other Lab analyses with EPA/APHA AWWA WEF methods.

Hands on experience on biological analyses as well as molecular biology such as PCR, and sequencing.

Hands on experience on control and troubleshooting of any water treatment plants.

Water Supply Design & Analysis

Performed water hydraulic calculation and profile development.

Hands on experience on transmission and distribution main design: water demand calculation & forecasting, facility sizing, hydraulic analysis, layout of mains, detail drawings, and standard construction specifications.

Computer models as design tools: distribution system modeling, building and preparing the model, hydraulic calibration, steady-state simulation, extended-period simulation, and water quality modeling.

Participated in developing Epanet extension to Epanet-MSX (during PhD at University of Cincinnati and with collaboration with USEPA for water distribution analysis.

Hydraulics & Hydrology (Design, Construction, and O&M)

Performed flow in pipes, closed conduits, and open channel flow hydraulic calculation and profile development.

Design and construction management of all hydraulic structures for water & wastewater, and stormwater.

Perfect understanding of all types of flows: critical, uniform, gradually varied, and rapidly varied flows

Water quality/ wastewater modeling.

Excellent knowledge of drainage systems and in stormwater management (CSO, or separate systems)

Site investigation: water resource investigations, hydrology, hydrogeology and environment impact assessments.

Earthworks for different types of pipes (water, wastewater, and stormwater).

Stromwater Design and Management

Hand on experience on all laws and regulations of stormwater (NPDES).

Proficient in the design and construction (hydraulics of open channel flow, hydrology for drainage system design and analysis, design of stormwater inlets, hydraulics of sewer systems, design of detention systems and off-line detention systems, design of culverts,…)

Design and construction of flood control and drainage channels, erosion, and sedimentation control.

Excellent knowledge and hands on experience on stormwater management (water quality, contaminants, management of point sources, implementing the stormwater pollution prevention plan, BMPs, management of temporary construction, stormwater treatment systems).

Pavement Drainage

Extensive experience for estimation of surface runoff from storm water and subsurface water.

Hand on experience on Pavement Drainage Structures (in pavements, airports, culvert, detention and retention ponds…).

Very good knowledge of design of permeable base and associated structures (materials, separator or filter layer, pipes, geotextiles, edgedrains, and DRIP Software).

Good experience in supervising construction of subsurface drainage systems.

Experience managing maintenance of drainage structures.

Sustainable Urban Drainage Systems (SUDS).

Pumps, Electric Motors, Instrumentation and Control Devices

Hand on experience on pumps intake design, selection and installation.

Electric motors and drives as well as instrumentation and control devices.

Hand on experience on control and reception of electromechanical equipment.

Hand on experience on installation, reception, and control of electric motor control.

Hand on experience on O&M of pumping stations and electromechanical equipment.

Hand on experience on electric/hydraulic/electrohydraulic actuators.

Good understanding of AC reduced voltage starters (The Motor and Starting Methods, Primary Resistor-Type Starters, Autotransformer Starters, Automatic Starters for Star-Delta Motors).

Electric Power Engineering

Good knowledge of Transmission Systems.

Good knowledge of Distribution Systems.

Good knowledge of Electric Power Utilization.

Good knowledge of Power System Protection.

Solid Waste Management & Air Pollution Control

Hands on experience in performing and/or controlling feasibility studies to detailed design for solid waste management (collection, sorting, biological treatment of compost).

Hands on experience in performing and/or controlling detailed studies for landfill engineering and design.

Full understanding of Clear Air Act (1990 Amendments).

Expert in waste gas treatment by biofiltration.

Energy Efficiency Planning and Management

Setting up and running an effective energy management program.

Performing and good understanding of energy auditing.

Managing energy resources and costs optimization (lighting, electrical, boiler plant, steam and condensate, heating and cooling equipment, HVAC systems, …).

Data Warehousing

Knowledge of lifecycle data warehousing processes (reporting and data warehouse requirements analysis).

Experience in logical and physical database design.

Experience with SQL, DTS, OLAP, MDX and ETL Development Tools.

An Understanding of source tables and how they relate to each other and the release.

An Understanding of the data flow to set up the appropriate tables in the target environment.

An understanding of the difference between Operational Systems and Analytical systems.

Support and lead the design and implementation of data warehouses and data mart solutions.

Microbiology & Molecular Biology Analysis

Hand on experience on all microbiological analysis related to water, wastewater, and swimming pool water.

Medium media preparation.

Identification of E. Coli, Giardia, legionella, Fecal/total coliforms, …

Excellent knowledge and hand on experience on DNA extraction, PCR reactions, TA Cloning, Sequencing using Ion Torrent and related software (CLC Genomics Workbench 5.5.1),

Data Mining and Statistical Analysis

Excellent understanding of the statistical data analysis, probability, and statistical inference; Bayesian statistics, Markov Chain Monte Carlo and statistical decision theory.

Excellent understanding of Linear (Multiple Regression) Models and analysis of variance, multivariate and Tree-based Methods, GLM, and general non-linear models, multi-level models, and repeated measures and time series.

Excellent use of the data mining tools, systems, techniques and processes.

Hand on experience on data modeling and ad-hoc query tools (R, WinBugs, SAS, MS SQL Server 2000).

Understanding of web mining, text mining and bioinformatics.

Hand on experience on customer relationship management (CRM) and business intelligence.

SOFTWARE, BUSINESS INTELLIGENCE, IT SKILLS:

AutoCAD Civil 3D 2020

Water Modelling Software: EPANET EPANET-MSX, HEC-HMS

Wastewater Network Modelling: CANOE, SWMM

GIS: ArcGIS9.0

Data warehouse design, Dimensional Modelling, ETL (Extraction-Transformation-Load) procedures, DBMS, Data Warehousing with MS SQL Server, OLAP, MDX, NovaView, MS Analysis Services, Entity-Relationship Model, Relational model, PL/SQL, DBMS, SAP

Data mining, Statistical IT, Data analysis: SAS, R, WinBugs

Business intelligence, CRM, Corporate business and Marketing techniques

UNIX, Lunix, Visual Studio.Net, Cygwin, Windows NT. Word, Excel, Powerpoint, Microsoft Project2000

CERTIFICATES

PE Environmental (Scheduled for October 2024 Test)

Indiana Department of Environmental Management: Certified Water Loss Validator (2021)

Texas Wastewater Operator (License C)

Plan on receiving the following certificates:

Project Management Professional (PMP)® credential certificate.

Certified Safety and Health Manager (CSHM).

Power Efficiency Manager (Schneider Electric)

PROFESSIONAL EXPERIENCE

Niagara Falls Water Board, Niagara Falls, June 2021 to Present, Niagara Falls, New York, USA

Executive Director

Responsible for planning, managing, directing, assigning, controlling, and directing the operation of the Water Board’s Water and Wastewater (sanitary and storm sewer systems) Facilities.

Directing a professional staff complemented with a large technical, skilled and semi-skilled staff.

Engaged in the operation, maintenance and repair of the Water Board’s water and wastewater plants, collection and distribution system.

Engaging in securing finance for the update of the wastewater treatment plant ( a $250 M project)

Assuming personal control of engineering, systems and projects with the objective of long-term planning and program development of capital improvement projects (CIP).

Assuming water/wastewater/stormwater projects design, construction, and O&M.

Managing assistants, consultants, and the technical and engineering staff (more than 120 employees).

Managing direct nine departments (Engineering, Water Operations, Wastewater Operations, Outside Maintenance, WTP/WWTP Maintenance & Instrumentation, Water Lab, Wastewater Lab, HR, and Finance),

Ensuring an adequate supply of potable water to the service area’s customers.

Developed resiliency plans for water supply sources and supported water sustainability goals.

Developed “Emergency Action Plan” and “Emergency Response Plan”.

First contact dealing with emergency situations.

Assisting in the negotiation/strategic planning, grievance arbitration, labor relations, and is responsible for hiring, firing and disciplining subordinates.

Dealing with emergency situations.

Reviewing performance, reports, meeting assignments, goal achievements and evaluation.

Industrial Users compliances check.

Helping the Industrial Users comply with their permit by improving their process.

Actively developing other sustainable power resources (Solar, Wind, and Renewable Natural Gas)

Founders Trust, July 2020 to Present, Naperville, Illinois, USA

Director, Member of the Executive Board of Directors

Help in the acquisitions and management control of acquired water, wastewater, and energy companies.

Due diligence investigations.

City of East Chicago Utilities Department, March 2017 to May 2021, City of East Chicago, Indiana, USA

Director of Utilities

Act as the executive director for the water and wastewater utility operations and distribution for the City.

Assume full management responsibility for all Utilities Department functions, programs, and operations including the operation of the City’s water treatment and distribution; wastewater and stormwater collection; sanitary solids; recycling; and related operations, functions, and program areas; oversee the operation of the water filtration and wastewater treatment plants.

Assist the Mayor of East Chicago in the development and implementation of Departmental policies, goals, objectives, procedures, and priorities for each assigned service area.

Plan, execute, and monitor capital improvement plans (CIP).

Bid preparation, design control, and construction supervision of all water, wastewater, and Stormwater projects.

Plan, direct, and coordinate, through subordinate level staff, the Utilities Department’s work plan; assign projects and programmatic areas of responsibility; review and evaluate work methods and procedures.

Oversee the Department Directors of (Wastewater, Water, Filtration Departments), Sanitary Solids and Storm Water; foreman, supervisors, managers, union, non-union, and administrative staff employees.

Select, train, motivate, and evaluate assigned personnel; provide or coordinate staff training; correct deficiencies; implement discipline and termination procedures.

Analyze problems, identify alternative solutions, project consequences of proposed actions and implement solutions.

Plan and implement maintenance and improvement projects and ensure projects are completed in a timely manner to include construction, installation, repair and maintenance of water and wastewater systems.

Inspect all work in progress; serve as a liaison with various contractors and engineers.

Assure the effective use of all personnel, equipment, and facilities.

Develop and administer department budget.

Review and approve all Department purchases and contractual services.

Perform water rate analysis and prepare water and wastewater rate, fees and charges; approve expenditures and implement budgetary adjustments as appropriate and necessary to meet the department’s goals.

Prepare and submit reports as required by Federal, State, and local laws and regulations.

Sodexo (Subcontractor for GE), April 2015 to March 2017, Houston, TX, USA

Wastewater Operations Manager

Correction of current issues (process, civil, and mechanical).

Daily WWTP management.

Daily operation & maintenance.

Civil engineering design modifications and enhancement.

Process optimization, modification, and R&D.

Troubleshooting, and O&M of all electrical and electromechanical equipment.

Laboratory management.

Budget and staff management.

New projects development.

Helping GE Environmental Engineer in managing the coordination and implementation for plant compliance matters according to TCEQ.

Norton Technology, Inc., January 2015 to December 2018, Chicago, IL, USA

Technical Advisor

Utility review: a customized assessment of operating parameters compared to peer utilities.

Decision and management support: integration with existing consulting and advisory firms to enhance and supplement utility decision-making and master planning efforts.

Enhancement of treatment of industrial and municipal wastewater.

Application of bioaugmentation techniques in wastewater treatment.

Streamline Power Resources, Since April 2014 to March 2015, Cincinnati, OH, USA

Water/Wastewater Project Development Engineer

Projects business development.

Sales accounts development and maintenance.

Development of scope of work, biding, and construction management (earthworks, hydraulic, civil engineering, pumps, electrical equipment, and electrical works).

Pumping stations and water/wastewater treatment plants process optimization and energy reduction.

Providing solutions for corrosion control, scale/deposit control, liquid/solid separation, liquid/liquid separation and microbiological control as it relates to cooling water, boiler water, pretreatment, wastewater and industrial process water treatment.

Providing sustainable and innovative treatment of WWTPs sludge by solar energy (The sludge will be reduced by 70% and the remaining 30% will be used as fertilizer "Class A" quality per EPA 503 regulation The extra heat will be injected to anaerobic sludge digester for energy reduction).

The use of Adsorption Chillers in providing cold waters for many applications (Ultra-low electricity consumption (90% reduction vs mechanical chiller) of 0.8 kW (total)).

Lighting, solar and wind project energy management.

University of Cincinnati, Department of Environmental Engineering, 2006 to 2013, Cincinnati, OH, USA

Engineering Researcher, (Funded by the National Science Foundation, award # CBET 0852803)

Daily maintenance of bioreactors, ensuring the biofilters are in optimum performances, maintenance and operation of pumps, mass balance calculations, biomass control, as well as Analyzing all water and gas samples using different instrumentation (GC, HPLC, GCMS, Ion Chromatography, UV/Vis, TOC,..); analyzed biofilms for oxygen and nitrogen penetration using probes; conducted modeling for volatile organic compounds in biofilters (modeling water in porous media); analyzed microbial samples using molecular methods such as PCR and Sequencing.

Performed teaching assistance for Instrumentation course and Chemistry for Environmental Engineering course (at MSc & PhD level) for 2 years.

Research Assistant, (worked at the U.S. Environmental Protection Agency)

Project title: “Real time modeling of contamination in water distribution systems using EPANET-MSX”. Conducted real-time modeling, forecasting, and predicting contaminants in water distribution systems using Matlab, C programming language, and EPANET-MSX; Calibrated and water distribution models and conducted environmental hydrological studies.

Office National de l’Eau Potable (ONEP), Rabat, Morocco

Senior Water/Wastewater and PMO Engineer, ONEP, Rabat, Morocco: 10/1999 to 08/2006

1.Design, Master Plan, and Detailed Projects (Sewers, Stormwater, Pumping Stations, and Wastewater Treatment Plants) Design studies (sewer design, stormwater networks, pumping stations, and Wastewater Treatment Plants): Verification and validation of all calculations, drawings, and geotechnical reports; Control, validation, and reception of the final reports.

2.Construction Project Management (FIDIC Red Book): Launching and bidding of the projects, judgment of the bidders; verification of all calculations; control of the geotechnical reports; supervision, control, and management of earthworks, wastewater projects for the construction of sewers, pumping stations, and wastewater treatment plants for the following cities:

Sewerage of Ouarzazate:

oLot 1: Construction of network of the right band of the City (rehabilitation and extension + main pipe to the WWTP (~31km).

oLot 2: Construction of two Pumping Stations.

oLot 3: Construction of Wastewater Treatment Plant.

Sewerage of the Kalat M’Gouna:

oLot 1: Construction of the sewer network (~8km).

oLot 2: Construction of Pumping Station, and Wastewater Treatment Plant.

Sewerage of Guelmim:

oTransfer of wastewater (~12km of pipes) from the city to the Waste Water Treatment Plant.

oDisplacement of the main wastewater pipes + 8.5 km rehabilitation and extension of the existing network.

3.Management of the operations and maintenance of sewers, pumping stations, and wastewater treatment plants: Managed all aspect of O&M of sewers, pumping stations, as well as WWTPs, integrated wastewater facilities in GIS; managed wastewater asset and conducted strategic planning & QC processes; involved in standards review for the Moroccan committee on wastewater standards; reinforced the application of hygiene and safety measures in sewers/wastewater facilities; given lectures in hygiene and safety and elaborated the internal manual for hygiene and safety; served on the recruitment committee for wastewater positions.

4.Managed the project financed by EU, PROJECT UTF/MOR/023/MOR concerning “the elaboration of landfill engineering principles manual”; helping the “l’unité d’appui au projet” -UIP- and elaborated the terms of reference for the extension of the new landfill part 2 and rehabilitation of the old site of the Essaouira city, Morocco.

5.Controlled Solid Waste Studies Master Plan and Detailed

The major part of the project was to design landfill to protect the underground water resources from contamination; Control of the studies: Master Plan and Detailed Projects; Verification of all calculations, drawings, and geotechnical reports; Control, validation, and reception of the final reports.

High Technician, ONEP, Rabat, Morocco: 01/1996 – 09/1999

Performed water quality and microbiological analysis, study of water resources: study & protection, control of water treatment plants in all Morocco as well as intervention in case of non-functioning of these treatment plants.

Water Treatability studies and water network design.

Involved in R&D for water treatment technologies: One year Pilot plant research conducted testing the feasibility study of using the ozone in the Bouregreg water treatment station (9m3/s), Rabat, Morocco. This study was performed with close collaboration with” Anjou Recherche”. France. The project was presented at “Maghreb Investment and Development Conference, November 15-16 2000”, in Washington, D.C.

TRAINING AND OTHER RELEVANT TOPICS

I participated in many expert missions mainly in water resources protection, hydrology, and wastewater and landfill sites selection from 2001 to 2003.

Training in “Management of Waste Solid Projects: Collection, sorting, transportation, biological treatment of solid waste and landfill design and operations. Technical design of sorting and incineration wastes facilities. Economics of waste projects. This training was held at “SAUR” and “COVED”, Paris, France, from December 1-24, 2002.

One week training in landfill design and management. This training was financed by the FAO and held in “Wallonie” in Belgium from June 1-8, 2010.

Currently, I am taking Online Course:

Construction Project Management (University of Columbia)

Introduction to Operations Management (University of Pennsylvania)

Power Efficiency Management (Schneider University)

PROFESSIONAL MEMBERSHIP

The European Federation of Biotechnology

The American Society of Civil Engineers

The International Desalination Association

The American Concrete Institute

The Air & Waste Management Association

The International Society for Environmental Information Sciences

The American Chemical Society

Ohio Water Environment Association (OWEA)

Researcher Institute

PUBLICATIONS:

I am The Editor of the (Volume V - Waste Management) for the upcoming: Air Science and Waste Science Encyclopedia by John Wiley & Sons, Inc.

I am Editorial Board Member at:

International Journal of Environmental Bioremediation & Biodegradation

Frontiers, Environmental Sciences (Wastewater Management), EPFL, Lausanne, Switzerland

Austin Journal of Environmental Toxicology.

Invited to serve as:

The Editor of the Special Issues of (Science and Education Publishing (SciEP), USA):

American Journal of Water Resources

World Journal of Environmental Engineering

I am Reviewer at:

1.The Biochemical Engineering Journal

2.The Journal of Applied and Environmental Microbiology

3.Austin Journal of Environmental Toxicology

4.Research Journal of Environmental Sciences (new)

Peer Reviewed Journal Articles:

Paul M. Bradley, Maria Argos, Dana W. Kolpinc, Shannon M. Meppelink, Kristin M. Romanok, Kelly L. Smalling, Michael J. Focazio, JoshuaM. Allen, Julie E. Dietze,Michael J. Devito, Ariel R. Donovan, Nicola Evans, Carrie E. Givens, James L. Gray, Christopher P. Higgins, Michelle L. Hladik, Luke R. Iwanowicz, Celeste A. Journey, Rachael F. Lane, Zachary R. Laughrey, Keith A. Loftin, R. Blaine McCleskey, CarrieA. McDonough, Elizabeth Medlock-Kakaley Michael T. Meyer, Andrea R. Putz, Susan D. Richardson, Alan E. Stark, Christopher P.Weis, Vickie S.Wilson, Abderrahman Zehraoui., “Mixed organic and inorganic tapwater exposures and potential effects in greater Chicago area, USA”, Science of The Total Environment. Volume 719, 1 June 2020, 137236.

Romanok, K.M., Kolpin, D.W., Meppelink, S.M., Focazio, M.J., Argos, M., Hollingsworth, M.E., McCleskey, R.B., Putz, A.R., Stark, A., Weis, C.P., Zehraoui, A., and Bradley, P.M., 2018, “Concentrations of lead and other inorganic constituents in samples of raw intake and treated drinking water from the municipal water filtration plant and residential tapwater in Chicago, Illinois, and East Chicago, Indiana, July–December 2017”: U.S. Geological Survey Open-File Report 2018–1071, 10 p.

Zehraoui, A., and Sorial, G.A., “Treatment of Dynamic Mixture of n-Hexane, Benzene, and Methanol and Fungi Community Characterization in an Integrated Scheme of Cyclic Adsorption/ Desorption Beds and Trickle Bed Air Biofilter” Air, Soil and Water Research Journal (2015):8 31-41.

Zehraoui, A; Wendell, D and Sorial, G “Biodegradation of a Ternary Mixture of Hydrophobic and Hydrophilic VOCs in Trickle-Bed-Air-Biofilters. Water, Air, & Soil Pollution (2014) 225:2075.

Zehraoui, A; Wendell, D and Sorial, G (2014) “Treatment of Hydrophobic VOCs in Trickling Bed Air Biofilter: Emphasis on Long Term Effect of Initial Alternate Use of Hydrophilic VOCs”. Journal of the Air & Waste Management Association 64 (10), 1102-1111.

Zehraoui, A; Kapoor, V; Wendell, D and Sorial, G “Impact of Alternate Use of Methanol on n-Hexane Biofiltration and Microbial Community Structure Diversity”, Biochemical Engineering Journal 85 (2014) 110–118.

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