Results 11 to 20 of about 655,824 (283)

Throwing petrol on a fire: the human and environmental cost of tar sands production [PDF]

open access: yes, 2011
In this opinion piece, independent researcher Jennifer Huseman and Senior Lecturer in Human Rights in the Institute of Commonwealth Studies, Dr Damien Short, examine Canada’s tar sands oil industry and its effect on indigenous communities.
Short, Damien, Huseman, Jennifer
core   +3 more sources

The development and harmonisation of risk assessment procedures to evaluate the environmental impact of toxic substances [PDF]

open access: yes, 2001
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The environmental risk assessment of substances is introduced and the various controls used to protect the environment are outlined.
Robinson, Nikki Lee
core   +8 more sources

Insight into the Ex Situ Catalytic Pyrolysis of Biomass over Char Supported Metals Catalyst: Syngas Production and Tar Decomposition

open access: yesNanomaterials, 2020
Ex situ catalytic pyrolysis of biomass using char-supported nanoparticles metals (Fe and Ni) catalyst for syngas production and tar decomposition was investigated.
Mian Hu   +4 more
doaj   +1 more source

EVALUATION OF SOME ENVIRONMENTALLY FRIENDLY SUBSTANCES TO CONTROL SUBTERRANEAN TERMITES ANACANTHOTERMES OCHRACEUS (Burmeister, 1839) (BLATTODEA: HODOTERMITIDAE). [PDF]

open access: yesJournal of Environmental Science
 To control the subterranean termites, Anacanthotermes ochraceus using inorganic and organic materials in Hihya, Sharkyia Governorate. Two sites were selected namely, Hihya1 and Hihya 2.
Asmaa, Elsman   +3 more
doaj   +1 more source

A review on gasification and pyrolysis of waste plastics

open access: yesFrontiers in Chemistry, 2023
Gasification and pyrolysis are thermal processes for converting carbonaceous substances into tar, ash, coke, char, and gas. Pyrolysis produces products such as char, tar, and gas, while gasification transforms carbon-containing products (e.g., the ...
Hamad Hussain Shah   +8 more
doaj   +1 more source

Chemical and agrochemical properties of typical rainfed sierozem soils of Uzbekistan [PDF]

open access: yesBIO Web of Conferences, 2023
The agrochemical properties of soil are important for its fertility, plant growth and development, and harvesting. In this case, humus is one of the main indicators of the total amount of nutrients. These indicators vary by soil layer.
Kodirova Dilrabo   +3 more
doaj   +1 more source

The Influence of Retention of Volatile Substances in Pyrolysis Zone of Kaa-Khemsky and Mezhegeisky Coal Deposits on Component Composition of Coal Tar [PDF]

open access: yesJournal of Siberian Federal University. Chemistry, 2020
Pyrolysis of Kaa-Khemsky and Mezhegeisky coals was investigated with an increase in temperature to 900 °С with a change in pressure in the reactor by increasing the retention time of volatile substances in the pyrolysis zone at 600 °С and 640 °С. Liquid products of coal pyrolysis were extracted by hexane and benzene.
Grigoriy R. Mongush   +3 more
openaire   +1 more source

Pengaruh Temperatur terhadap Laju Reaksi Tar Hasil Pirolisis Serbuk Kayu Mahoni pada Rotary Kiln

open access: yesRekayasa Mesin, 2019
Pyrolysis is a thermochemical process chemical decomposition of organic substances through the heating process without oxygen. It produced char, tar, and gas. Rotary kiln Pyrolysis is horizontal stove with biomass that being moved in certain rotary along
Andi Nugroho   +2 more
doaj   +1 more source

Impacts of Organic Structures and Inherent Minerals of Coal on Soot Formation during Pyrolysis

open access: yesEnergies, 2019
The pyrolysis of four pairs of raw and acid-washed coals under N2 atmosphere was carried out in a drop tube reactor at 1250 °C. The results show that both organic structures and metal elements have an important influence on the formation of soot ...
He-Ming Dong   +5 more
doaj   +1 more source

Oral, subcutaneous and intratracheal administration of carcinogenic lactones and related substances: the intratracheal administration of cigarette tar in the rat. [PDF]

open access: yesBritish Journal of Cancer, 1966
Oral, subcutaneous and intratracheal administration of carcinogenic lactones and related substances: the intratracheal administration of cigarette tar in the rat.
F, Dickens, H E, Jones, H B, Waynforth
openaire   +2 more sources

Home - About - Disclaimer - Privacy