From a5a4a2c87307d456ae2ff4321b9b572691fae022 Mon Sep 17 00:00:00 2001 From: Andrew Lorimer Date: Fri, 4 Jan 2019 23:06:01 +1100 Subject: [PATCH] start energy sources table (chem hhw) --- chem/energy-sources.tex | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 chem/energy-sources.tex diff --git a/chem/energy-sources.tex b/chem/energy-sources.tex new file mode 100644 index 0000000..4c35e5d --- /dev/null +++ b/chem/energy-sources.tex @@ -0,0 +1,32 @@ +\documentclass{article} +\usepackage[version=4]{mhchem} +\usepackage[margin=0.2cm]{geometry} +\pagenumbering{gobble} +\begin{document} + +\title{Comparison of Energy Sources} +\author{Andrew Lorimer} +\date{} + +\renewcommand{\abstractname}{} +\maketitle + +\begin{center} + \begin{tabular}{ | p{0.1\textwidth} | p{0.1\textwidth} | p{0.13\textwidth} | p{0.13\textwidth} | p{0.13\textwidth} | p{0.19\textwidth} |} + \hline + Energy source & Energy content & Renewability & Environmental impacts of extraction & Environmental impacts of combustion & Key combustion equation/s \\ \hline + Coal (brown/black) & Low (black: 34 kJ/g, brown: 16 kJ/g) & Very low - produced by fossilised plant material (thousands of years) & Destruction of vegetation, pollution due to mine waste (tailings etc), greenhouse emmissions from transport \& mining machinery & Acid rain (\ce{SO2}), greenhouse gas emmission & \\ \hline + Crude oil & & & Transport by road \& sea releases greenhouse gases. + & Toxic \ce{CO} with incomplete combustion, & Complete: \ce{2C16H34(l) + 49O2(g) -> 32CO2(g) + 34H2O(g)} Incomplete: \ce{2C16H34(l) + 17O2(g) -> 32C(s) + 34H2O(g)} \\ \hline + Petroleum gas & 48 kJ/g & Refinement causes hydrocarbon pollution of air. & & Uncombusted hydrocarbons may be released (\ce{CO}), causing photochemical smog. + & Complete: \hspace{2em} \ce{2C8H18(l) + 25O2(g) -> 16CO2(g) + 18H2O(g)} Incomplete: \ce{2C8H18(l) + 17O2(g) -> 16CO(g) + 18H2O(g)}\\ \hline + Coal seam gas & $\approx$ 54 kJ/g (nat. gas)& & Destruction of vegetation \& geology (drilling), pollution of aquifers & Greenhouse gas emmissions & Methane: \hspace{4em}\ce{CH4(g) + 2O2(g) -> CO2(g) + 2H2O(g)} \\ \hline + Biogas & Relatively inefficient & & & & \\ \hline + Bioethanol & & & & & \\ \hline + Biodiesel & & Very renewable – sourced from used cooking oil, tallow, oil seed crops & Consumption of waste (landfill reduction). Less space for agriculture \& forests. Biodegradable. Byproducts (glycerol) can be used elsewhere. & & \begin{align*}\ce{\\C17H29COOCH3(l) + 26O2(g)\\ -> 19CO2(g) + 16H2O(g)}\end{align*} \\ \hline + + \hline + \end{tabular} +\end{center} + +\end{document} \ No newline at end of file -- 2.43.2