an engineering, planning, and consulting services firm, today announced Helen Xiaoxin Littleton, Ph.D. has joined the firm as Wastewater Technology Leader.
As a senior technologist and experienced environmental engineer, Dr. Littleton has designed a number of water and wastewater treatment plants, anaerobic/aerobic digesters and pump stations and is considered an industry expert in aerobic and anaerobic biological process design as well as simultaneous nitrification/denitrification (SND). Dr. Littleton brings more than 30 years of experience to JJG and she will help advise and lead the company’s efforts across a variety of wastewater client initiatives.
“Dr. Littleton’s in-depth understanding of wastewater treatment practices and facilities provides JJG and our clients with a tremendous knowledge-base to further promote innovative design and problem solving techniques,” said Don Allen, president and CEO of JJG. “The addition of Helen to the JJG team underscores our commitment to help develop high quality water, wastewater and sustainable engineering solutions which touch people’s lives on a daily basis.”
In her previous professional positions Dr. Littleton has carried out intensive industry research, applied plant-scale applications in process design and conducted exhaustive study on topics related to biological wastewater treatment. Most recently Dr. Littleton has focused her professional activities on energy conservation, anaerobic digestion improvements, Combined Heat and Power systems, green house gas reduction and sustainable system design.
Dr. Littleton comes to JJG with extensive global experience and has been actively involved with sustainable water and wastewater developmental works in China and in the US. She is also an active member of Water Environment Federation (WEF) Municipal Wastewater Treatment Design Committee.
Dr. Littleton has participated in a number of World Bank wastewater projects, United Nations Development Programme (UNDP) workshops, Water Environment Research Foundation/Environmental Protection Agency (WERF/EPA) energy efficiency workshops, and US Graham Environmental Sustainability Institute research activities. Currently a reviewer for the Journal of Water Environmental Research, Dr. Littleton has delivered multiple papers and presentations around the world, was the WEF Manual of Practice No. 8, Design of Municipal Wastewater Treatment Plants update reviewer and section author on SND and Oxidation Ditch, and served as a host and facilitator on an SND workshop for the Water Environment Federation’s Annual Technical Exhibition and Conference (WEFTEC) in 2008.
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