L. Lorenzen

3.1k total citations · 1 hit paper
77 papers, 2.4k citations indexed

About

L. Lorenzen is a scholar working on Mechanical Engineering, Biomedical Engineering and Water Science and Technology. According to data from OpenAlex, L. Lorenzen has authored 77 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Mechanical Engineering, 35 papers in Biomedical Engineering and 22 papers in Water Science and Technology. Recurrent topics in L. Lorenzen's work include Metal Extraction and Bioleaching (21 papers), Mineral Processing and Grinding (18 papers) and Minerals Flotation and Separation Techniques (17 papers). L. Lorenzen is often cited by papers focused on Metal Extraction and Bioleaching (21 papers), Mineral Processing and Grinding (18 papers) and Minerals Flotation and Separation Techniques (17 papers). L. Lorenzen collaborates with scholars based in South Africa, Australia and France. L. Lorenzen's co-authors include J.S.J. van Deventer, J.G.S. Van Jaarsveld, Chris Aldrich, S. Miachon, Ndeke Musee, R.D. Sanderson, D. Feng, Michael O. Daramola, Jianxin Li and A. Giroir‐Fendler and has published in prestigious journals such as Journal of Hazardous Materials, Journal of Cleaner Production and Chemical Engineering Journal.

In The Last Decade

L. Lorenzen

75 papers receiving 2.3k citations

Hit Papers

The potential use of geopolymeric materials to immobilise... 1997 2026 2006 2016 1997 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. The potential use of geopolymeric materials to immobilise toxic metals: Part I. Theory and applications
    1997 546 citations J.S.J. van Deventer, L. Lorenzen et al. Minerals Engineering profile →

Peers

L. Lorenzen
Yi‐Hung Chen Taiwan
Toshinori Kojima Japan
Yanpeng Mao China
Ioannis Paspaliaris Greece
Constantino Fernández‐Pereira Spain
Reyad Shawabkeh Saudi Arabia
Tao Huang China
S. Komar Kawatra United States
Huabin Wang China
Yin Wang United States
Yi‐Hung Chen Taiwan
L. Lorenzen
Citations per year, relative to L. Lorenzen L. Lorenzen (= 1×) peers Yi‐Hung Chen

Countries citing papers authored by L. Lorenzen

Since Specialization
Citations

This map shows the geographic impact of L. Lorenzen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by L. Lorenzen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites L. Lorenzen more than expected).

Fields of papers citing papers by L. Lorenzen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by L. Lorenzen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by L. Lorenzen. The network helps show where L. Lorenzen may publish in the future.

Co-authorship network of co-authors of L. Lorenzen

This figure shows the co-authorship network connecting the top 25 collaborators of L. Lorenzen. A scholar is included among the top collaborators of L. Lorenzen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with L. Lorenzen. L. Lorenzen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Lorenzen, L., et al.. (2011). Why is Mineralogical Data Essential for Designing a Metallurgical Test Work Program for Process Selection and Design. SUNScholar (Stellenbosch University). 5 indexed citations
3.
Lorenzen, L., et al.. (2009). Activated alumina-based adsorption and recovery of excess fluoride ions subsequent to calcium and magnesium removal in base metal leach circuits. eSpace (Curtin University). 109(8). 447–453. 7 indexed citations
4.
Musee, Ndeke, Chris Aldrich, & L. Lorenzen. (2008). New methodology for hazardous waste classification using fuzzy set theory. Journal of Hazardous Materials. 157(1). 94–105. 18 indexed citations
5.
Musee, Ndeke, L. Lorenzen, & Chris Aldrich. (2007). New methodology for hazardous waste classification using fuzzy set theory. Journal of Hazardous Materials. 154(1-3). 1040–1051. 33 indexed citations
6.
Musee, Ndeke, L. Lorenzen, & Chris Aldrich. (2006). An aggregate fuzzy hazardous index for composite wastes. Journal of Hazardous Materials. 137(2). 723–733. 20 indexed citations
7.
Lorenzen, L., et al.. (2005). A study of factors influencing the kinetics of copper cementation during atmospheric leaching of converter matte. Journal of the Southern African Institute of Mining and Metallurgy. 105(1). 21–27. 19 indexed citations
8.
Musee, Ndeke, L. Lorenzen, & Chris Aldrich. (2005). Cellar waste minimization in the wine industry: a systems approach. Journal of Cleaner Production. 15(5). 417–431. 40 indexed citations
9.
Qi, Benkun, Gideon Wolfaardt, Chris Aldrich, & L. Lorenzen. (2003). Methanogenic Digestion of Lignocellulose Residues under Conditions of High-Rate Acidogenic Fermentation. Industrial & Engineering Chemistry Research. 42(9). 1845–1849. 7 indexed citations
10.
Qi, Benkun, Chris Aldrich, & L. Lorenzen. (2003). Effect of ultrasonication on the humic acids extracted from lignocellulose substrate decomposed by anaerobic digestion. Chemical Engineering Journal. 98(1-2). 153–163. 30 indexed citations
11.
Lorenzen, L., et al.. (2002). Developing a heating procedure to optimise hydrogen permeance through Pd–Ag membranes of thickness less than 2.2 μm. Journal of Membrane Science. 195(2). 203–213. 62 indexed citations
12.
Deventer, J.S.J. van, et al.. (2002). The dynamic behaviour of coarse particles in flotation froths. Part III: Ore particles. Minerals Engineering. 15(9). 659–665. 5 indexed citations
13.
Lorenzen, L., et al.. (2002). Comparing and Modeling the Dehydrogenation of Ethanol in a Plug-Flow Reactor and a Pd−Ag Membrane Reactor. Industrial & Engineering Chemistry Research. 41(8). 1960–1966. 26 indexed citations
14.
Lorenzen, L., et al.. (1999). The development and modelling of high-intensity impinging stream jet reactors for effective mass transfer in heterogeneous systems. Chemical Engineering Science. 54(21). 4991–4995. 29 indexed citations
15.
Lorenzen, L., et al.. (1999). Characterising palladium–silver and palladium–nickel alloy membranes using SEM, XRD and PIXE. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 158(1-4). 678–682. 14 indexed citations
16.
Lorenzen, L., et al.. (1997). The development of a jet reactor for the leaching of valuable metals. Journal of the Southern African Institute of Mining and Metallurgy. 97(7). 285–288. 3 indexed citations
17.
Lorenzen, L., et al.. (1996). Immobilisation of Toxic Metals in Geopolymers. 45. 1 indexed citations
18.
Lorenzen, L. & J.S.J. van Deventer. (1993). The identification of refractoriness in gold ores by the selective destruction of minerals. Minerals Engineering. 6(8-10). 1013–1023. 24 indexed citations
19.
Lorenzen, L., et al.. (1992). Diagnostic leaching as an analytical tool for evaluating the effect of reagents on the performance of a gold plant. Minerals Engineering. 5(3-5). 503–512. 34 indexed citations
20.
Deventer, J.S.J. van, et al.. (1990). Galvanic interactions during the dissolution of gold in cyanide and thiourea solutions. Minerals Engineering. 3(6). 589–597. 17 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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