Skip to content
K

K. Dölle

Publications (10)

Water Hyacinths (Eichhornia crassipes) – Application for Secondary Wastewater Treatment and Biomass Production

K. Dölle, Q. Wang & J. Tong · Journal of Advances in Biology & Biotechnology · 2021

Clean water is one of the most significant challenges for our society. Efficient reuse of effluent water after treatment can becomes an effective solution to the shortage of water resources. The focus of this study is to investigate the use of Eichhornia crassipes plants for post...

Open access Research Article 10.9734/jabb/2021/v24i130196

Water Hyacinths–biomass Production Potential at a Waste Water Treatment Plant

K. Dölle, J. Tong & Q. Wang · Journal of Advances in Biology & Biotechnology · 2020

The growth of Eichhornia crassipes under outdoor conditions was examined during a 42-day test in a wastewater treatment plants primary clarifier, trickling filter and secondary clarifier using municipal residential wastewater as the chosen supplier of nutrients. Test results show...

Open access Research Article 10.9734/jabb/2020/v23i230138

Water Hyacinths – Biomass and Water Purifying Potential for Agricultural Applications

K. Dölle, J. Tong, Q. Wang, V. Lorenz, A. J. Hennwood & T. M. Dominesey · Journal of Advances in Biology & Biotechnology · 2018

The growth of water hyacinths under outdoor and controlled laboratory conditions was examined using diluted cow manure as the chosen supplier of nutrients. The study showed that water hyacinth can be used for water purification. Ammonia appears to be the preferred source of nitro...

Open access Research Article 10.9734/JABB/2018/42741

Hydrothermal Treatment of Shrub Willow Followed by Sulfate Pulping and Bleaching

K. Dölle & C. Schomann · International Research Journal of Pure and Applied Chemistry · 2015

The laboratory study examines the suitability of shrub willow for paper making applications. The shrub willow was harvested, debarked, chopped, sorted and hydrothermal pretreated before sulfate pulping. After pulping a four stage bleaching process followed. The results show that...

Open access Research Article 10.9734/IRJPAC/2015/19131

Determination of the Chemical Oxygen Demand (COD) of Hydrothermal Pretreated Hay Samples

K. Dölle & F. Wagmüller · Current Journal of Applied Science and Technology · 2015

Energy production is one of the significant challenges our world will face in the future. The utilization of fuels originating from plants as an alternative energy source will impact fossil fuel utilization and energy production. This research focuses on the hydrothermal treatmen...

Open access Research Article 10.9734/BJAST/2015/16536

Hydrodynamic Cavitation Applied to Corn Oil

V. Weber & K. Dölle · Advances in Research · 2017

Shrinking oil resources increases the importance of substitutes in the form of biofuels. A variety of extraction processes for the generation of biodiesel out of vegetable based oils have been established in the last decades. This research investigates in the implementation of hy...

Open access Research Article 10.9734/AIR/2017/32179

Fruits in Craft Beer: A Study to Evaluate the Impact of Fruits on the pH in the Brewing Process and the Breweries Waste Water

S. Ritter, K. Dölle, M. Van Bargen & J. Piatkowski · Advances in Research · 2017

Problems in the waste water treatment system of a local micro-brewery brought up the question whether fruits as additional ingredients can have a significant influence on the pH and the Chemical Oxygen Demand (COD) of the waste water. To reach an answer to this question, five bat...

Open access Research Article 10.9734/AIR/2016/30228