The core of Ilan's consulting services is process engineering in the environmental field. The services include process planning, operational control, efficiency enhancement, and environmental reporting. Ilan provides also technological and business consulting for environmental initiatives.nConsulting and development are based on over two decades of environmental engineering work, focusing on water, wastewater and solid waste treatment. Among the previous project are: water treatment, desalination and water quality. Urban and industrial wastewater – aerobic and anaerobic facilities, membrane separation, extensive treatment (wetland), river rehabilitation, MSW separation and recycling, anaerobic treatment and composting.