Jan Stemann

Fertilisers production from ashes after sewage sludge combustion – A strategy towards sustainable development

Sewage sludge ash — A promising secondary phosphorus source for fertilizer production

Management of biological sewage sludge: Fertilizer nitrogen recovery as the solution to fertilizer crisis

Hydrothermal conversion of biomass to fuels and energetic materials

Determination of chromium (VI) in primary and secondary fertilizer and their respective precursors

Preparation, modification and environmental application of biochar: A review

Environmental Chemistry and Ecotoxicology of Hazardous Heavy Metals: Environmental Persistence, Toxicity, and Bioaccumulation

A review on hydrothermal liquefaction of biomass

Techno-Economic Analysis of Scenarios on Energy and Phosphorus Recovery from Mono- and Co-Combustion of Municipal Sewage Sludge

Future nutrient recovery from sewage sludge regarding three different scenarios - German case study

Clean solid biofuel production from high moisture content waste biomass employing hydrothermal treatment

Hydrothermal carbonization for energy-efficient processing of sewage sludge: A review

Process Waters from Hydrothermal Carbonization of Sludge: Characteristics and Possible Valorization Pathways

A comparative review of biochar and hydrochar in terms of production, physico-chemical properties and applications

Hydrothermal liquefaction of barley straw to bio-crude oil: Effects of reaction temperature and aqueous phase recirculation

Thermochemical treatment of sewage sludge ash with sodium salt additives for phosphorus fertilizer production – Analysis of underlying chemical reactions

Hydrothermal carbonization: Process water characterization and effects of water recirculation

Thermal Treatment of Chromium(III) Oxide with Carbonates Analyzed by Far-Infrared Spectroscopy

Entrained flow gasification of biocoal from hydrothermal carbonization

Assessment of the Energetic Efficiency of A Continuously Operating Plant for Hydrothermal Carbonisation of Biomass

Phosphate fertilizer value of heat treated sewage sludge ash

Hydrothermal Carbonisation (HTC): Recycling of Process Water.

Hydrothermal Carbonisation of Empty Palm Oil Fruit Bunches: Laboratory Trials, Plant Simulation, Carbon Avoidance, and Economic Feasibility