New Zealand plants

Properties. Table 4 contains typical gasoline quaUty data from the New Zealand plant (67). MTG gasoline typically contains 60 vol % saturates, ie, paraffins and naphthenes 10 vol % olefins and 30 vol % aromatics. Sulfur and nitrogen levels in the gasoline are virtually lul. The MTG process produces ca 3—7 wt % durene [95-93-2] (1,2,4,5-tetra-methylbenzene) but the level is reduced to ca 2 wt % in the finished gasoline product by hydrodealkylation of the durene in a separate catalytic reactor. 

Eason, C.T., R. Gooneratne, G.R. Wright, R. Pierce, and C.M. Frampton. 1993b. The fate of sodium monofluoroacetate (1080) in water, mammals, and invertebrates. Proc. 46th New Zealand Plant Protection Conf. 1993 297-301. 

Hartley, M.J., Rahman, A, Harrington, K.C. and James, T.K. 2000. Assessing ground covers in a newly planted apple orchard. New Zealand Plant Protection 53 22-27. 

R. F. McCallion, A. L. J. Cole, J. R. L. Walker, J. W. Blunt and M. H. G. Munro, Antibiolic compounds from New Zealand plants II. Polygodial, an anti-Candida agent from Pseudowintera colorata, Planta Medica, 44 (1982) 134-138. 

Bithell, S.L., Mckenzie, B.A.,. Bourdot, G.W., Hill G. D. and Wralten, S.D. (2002). Germination requirements of laboratory stored seeds of Solanum nigrum and S. physalifolium. New Zealand. Plant protection, 55 222-227. 

The MTG process is one of several processes based on ZSM-5 catalysts which are currently licensed by Mobil to the petroleum and petrochemical industry. Over 25 commercial plants have been commissioned using these catalysts. All of these applications use fixed-bed reactors and, very importantly, all were scaled-up from bench-scale pilot plant data (ref. 2). The major advantage of fixed-bed technology is that it can be relatively simple and requires minimum scale-up studies. This successful scale-up experience with ZSM-5 catalyst was an important consideration in the MTG process development for the New Zealand plant. 

The reaction occurs over a relatively small zone in the catalyst bed. As the reaction moves down the catalyst bed, coke deposits deactivate the front part of the bed. The reaction continues down the bed until a substantial part of the catalyst is deactivated and unconverted methanol "breakthrough" is detected in the reactor effluent stream. Use of sufficient catalyst permits reactor onstream periods, or cycles, sufficiently long to avoid excessive regenerations. To enable this to be done onstream, multiple reactors are provided and operated in parallel on a cyclic mode. The New Zealand plant is designed to operate with four reactors onstream, with a fifth reactor in regeneration. 

Parfitt, R.L., Percival, H.J., Dahlgren, R.A. and Hill, L.F. (1997) Soil and solution chemistry under pasture and radiata pine in New Zealand. Plant and Soil) 9), 279-290. 

Savage, G.P., Chemical composition of walnuts (Juglans regia L.) grown in New Zealand, Plant Foods... 

A. and the listed compounds occur mainly in Rubia-ceae but have also been detected in other plant families. A. is isolated from fresh woodruff Asperula odorata) and the bark of the New Zealand plants Co-pro strut robusta (1.2%), C. tenuifolia (2.9%), C. repens (1.7%), and C. arborea (0.6%) (all Rubiaceae). Paederoside and paedetosidic acids occur in the Japanese plant Paederia scandens (Rubiaceae). In the paederoside compounds the acetate group of A. is replaced by 5-methylthiocarbonate these are as yet the only known sulW-containing iridoid glucosides and appear to be the main cause of the unpleasant smell of Paederia species. 

Morgan, D.R. Woolhouse, A.D. 1993. Evaluation of repellents to prevent possum browsing. 1993. In Proc. 46th N. Z. Plant Protection Conf., (Ed. by A.J. Popay), pp 302—306. Rotorua New Zealand Plant Protection Society. 

Hickey BJ, Lumsden AJ, Cole ALJ et al (1990) Antibiotic compounds from New Zealand plants methyl haematommate, an anti-fungal agent from Stereocaulon ramulosum. N Z Nat Sci 17 49-53... 

James, T. K. and A. Rahman, New Zealand Plant Protect., 58, 2005, 157. (Coconut-oil-derived herbicides)... 

Calder VL, Cole ALJ, Walker JRL (1986) Antibiotic Compounds from New Zealand Plants. III. A Survey of some New Zealand Plants for Antibiotic Substances. J Royal Soc New Zealand 16 169... 

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