Milling efficiency and technology

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Monitoring cane at the mill to improve nitrogen management on the farm : final report CTA029
(SRDC, 2002) Keating, BA; Biggs, IM; Webster, AJ
The project originally had a third objective, namely to “Develop promising leads in rapid and cost effective analyses of N compounds in the mill juice stream to a “proof-of-concept” stage.” Instrumentation issues and industry developments with respect to installation on on-line NIR infrastructure meant that this third objective was transferred to the project CTA045, which is on going. Objective 1 was addressed via laboratory analyses of cane sourced from a wide range of experimental studies in different seasons at a range of sites, involving variation in N fertiliser inputs, sugarcane varieties, irrigation inputs, and other agronomic variables. Objective 2 was addressed via a series of grower-managed on-farm trials in which N fertiliser inputs were varied above and below the grower’s “normal” management and the results were interpreted in relation to additional information obtained from soil analyses and amino-N analyses of the cane at harvest time.
Improving CCS in the wet tropics via block-specific monitoring of nitrogen in cane delivered to the mill : final report CTA045
(SRDC, 2003) Keating, BA; Webster, AJ; Biggs, M
This project seeks to implement a scheme for monitoring the nitrogen status of all cane crops in a wet tropics mill district and aims to work with growers in the use of this information to improve CCS and reduce the risks associated with the overuse of nitrogen fertiliser.
Improved batch pan monitoring, control and optimization - a soft sensor approach : SRDC final project JCU018
(SRDC, 2001) Schneider, PA
Cane sugar is manufactured in process vessels called vacuum pans, which are closely supervised by operating personnel, known as pan boilers. Traditionally, the pan boiler’s job has been made easier through the use of a control system based on electrical conductivity. However, conductivity-based vacuum pan control is far from perfect, since it requires continual attention from the pan boiler to ensure that the vacuum pan is running efficiently.
Towards functional specifications of a sampling scheme for commercial sampling of prepared cane : final report V89/17
(BSES, 1990) Robinson, G
Payment by Australian sugar mills to sugar can growers has for many years been based on samples of "first expressed juice" - the juice squeezed from prepared cane at the number one mill. This basis for payment is perceived by some sugar industry bodies as being less than completely satisfactory. The weaknesses being focussed on in this. report is that it is an inferential method. The amount of pol in first expressed juice is used to estimate the total amount of pol in the cane. This is unsatisfactory because the relationship between pol in first expressed juice and total pol was derived many years ago when there was less pressure exerted at the number one mill. The relationship has not been altered to allow more accurate estimation of total pol.
High grade sugar recovery using a continuous centrifuge : final report BSC25
(Bundaberg Sugar company Limited, 1990) Swindells, RJ; Griffin, KJ; Lynch, SG
This project report describes the conversion of an existing batch high grade centrifuge to a continuous unit (termed a hybrid fugal) and an assessment of its performance characteristics.
An on-line cane monitoring system to measure the extraneous matter present in billet sugar cane : final report CSU001
(Charles Sturt University, Sugar Research Institute, 2000) Moore, WE
Extraneous matter (EM) in cane billets consists of two major types of material; dirt and trash. Dirt consists of primarily inorganic, rock derived material, while trash consists of primarily organic, non-productive sugar cane derived material such as leaves, tops, and root balls, Trash can also contain other non sugar cane derived organic matter such as weeds and other items included during the harvesting process.
Clean Cane Workshop 2000 : SRDC final report
(SRDC, 2000) Wilson, MF
The Corporation has identified clean cane as a strategic issue that transcends several of its programs of research.
Mathematical modelling of circulation and crystallisation in vacuum pans : SRDC final report JCU010
(SRDC, 2000) Stephens, DW; Loughran, J
Hardening of raw sugar : SRDC final report CSR8S
(CSR, 1991) Mangion, MJ; Player, MR
Australia has a long term contract to supply the Soviet Union with raw sugar. While the contract seeks to avoid delivery in the coldest months, the long transport from Black Sea ports and possible delays can lead to hardening in rail cars. The consequence would be slow unloading of rail cars, extra demurrage, and extra labour cost. The buyers claim that sugar from other sources such as Cuba does not harden to the same extent.
Intelligent adaptive control in an on-line cane transport scheduler : final report UCQ2S
(SRDC, 1996) Pinkney, A
The vast majority of the Australian sugar crop is transported from the field to the sugar mill by privately owned cane railways. The total length of the permanent way exceeds 3000 km and approximately 500 x 106 tonne kilometres of cane are hauled during the crushing season, making the combined operation the third largest rail transport system in Australia.

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