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Klaus Dölle

Publications (13)

In-Situ Precipitated Calcium Carbonate in the Presence of Wood Flour and High Refined Old Corrugated Containerboard: A Handsheet Study

Klaus Dölle · Advances in Research · 2025

The paper and board industry strives to become more environmentally friendly by utilizing new eco-friendly raw materials that can improve production processes at the same time. One solution for the board producing paper product segment is the utilization of nano fibrillated fiber...

Open access Research Article 10.9734/air/2025/v26i31321

Graphene History, Technical Applications and Production: A Brief Review

Klaus Dölle, Lauren Purvis, Mingyu Cai, Chengyu Jin & Puxi Qiu · Advances in Research · 2025

The review paper gives a brief overview of the historical use of carbon materials like graphite and charcoal and graphene and its production. It reviews the application of graphene for industrial application such as energy storage, electronics, biomedical, and environmental field...

Open access Research Article 10.9734/air/2025/v26i11255

Solids Reduction Process for Agricultural Effluent – A Laboratory Feasibility Study

Klaus Dölle & Philip Röhlen · Asian Journal of Advances in Agricultural Research · 2023

Process steps of flocculation, filtration and centrifugation are investigated to better utilizing existing storage capacity of agriculturally based effluents and at the same time minimize the environmental impact of agricultural operations. As flocculant Ca(OH)2 as a 20% solution...

Open access Research Article 10.9734/ajaar/2023/v23i3470

Determination of the Feasibility of a Renewed Approach to the Mechanical Cleaning Stage in Wastewater Treatment Plant: A Laboratory Study

Klaus Dölle & Philip Röhlen · Asian Journal of Advanced Research and Reports · 2023

Growing population and industrial complexes require municipalities to initiate costly upgrades of their wastewater treatment facilities in order to protect the environment and nearby water bodies. This research project explores if a process combination of centrifugation, floccula...

Open access Research Article 10.9734/ajarr/2023/v17i9525

Application and Testing of a Laboratory Biotower Septic Tank System for Effluent Treatment - A Laboratory Study

Klaus Dölle & Simon Lex · Asian Journal of Advanced Research and Reports · 2022

A laboratory biotower septic tank system was designed, installed, started up with unfiltered wastewater during a 9-day start-up phase, and operated at a hydraulic retention time of 5-, 15-, and 20 days with filtered waste water and 5-, 10-, and 15 days for liquid cow manure. The...

Open access Research Article 10.9734/ajarr/2022/v16i930494

Cannabis, the Plant of the Unlimited Possibilities

Klaus Dölle & David E. Kurzmann · Advances in Research · 2019

This review paper gives an overview of Cannabis Sativa, also known as hemp, which has been cultivated and used century's B.C. due to its medical, hallucinogenic and agricultural properties. Cannabis has been described in 1938 as the billion-dollar plant but has lost its value in...

Open access Research Article 10.9734/air/2019/v20i330161

Spruce Wood Flour for Paper Applications – A Handsheet Study

Klaus Dölle, Sandro Zier, Luca Lombardi, Tobias Stein & Stefan Winkelbauer · Asian Journal of Chemical Sciences · 2019

Aims: The aim of the study was to investigate if spruce wood flour can be an alternative cellulosic-based wood additive for papermaking. Place and Duration of the Study: This study was conducted at the State University of New York, College of Environmental Science and Forestry in...

Open access Research Article 10.9734/ajocs/2019/v6i118989

Papermaking Using Willow (Salix dasiclados) as a Hardwood Source – A Handsheet and Pilot Paper Machine Study

Klaus Dölle · Asian Journal of Chemical Sciences · 2019

This laboratory handsheet and Fourdrinier pilot paper machine study examine the suitability of willow as a commercial hardwood pulp replacement including utilizing recycled pulp for paper production. The hand sheet study contains 16 different and the pilot paper machine study eig...

Open access Research Article 10.9734/ajocs/2018/v5i218980

Laboratory Bleaching System for Oxygen and Ozone Bleaching

Klaus Dölle & Adrian Honig · Asian Journal of Chemical Sciences · 2018

A multi-functional bleaching equipment for laboratory use was developed. The setup allowed the bleaching of four pulp samples at the same time. The bleaching setup works for traditional oxygen and ozone bleaching, using caustic soda and calcium hydroxides as bleaching additive. T...

Open access Research Article 10.9734/AJOCS/2018/40620

Application of Algae as a Biomass Feedstock Source at a Waste Water Treatment Facility

Klaus Dölle & Catherine Watkins · Journal of Advances in Biology & Biotechnology · 2015

Algae species Cladophora glomerata and Vaucheria are growing in a trickling filter in the secondary treatment process at a Waste Water Treatment Facility. This study investigates the role of the algae and its potential application a as biomass feed source for renewable energy pro...

Open access Research Article 10.9734/JABB/2015/19185

Dual Fueling a Diesel Engine with Producer Gas Produced from Woodchips

Richard Bates & Klaus Dölle · Advances in Research · 2018

The aim of this work was to study the diesel fuel savings in dual fueling a small diesel powered genset with a small Imbert style downdraft gasifier fueled with hardwood wood chips. Eight different runs were conducted, five with the engine fueled with diesel alone to characterize...

Open access Research Article 10.9734/AIR/2018/39431

Syngas Use in Internal Combustion Engines - A Review

Richard P. Bates & Klaus Dölle · Advances in Research · 2017

Syngas is a comparatively low energy fuel gas that can be utilized in spark ignition and compression ignition (diesel) internal combustion engines manufactured to run on gasoline or diesel fuels to reduce or eliminate the petroleum fuel requirement for the engine. Syngas can be p...

Open access Research Article 10.9734/AIR/2017/32896