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Kumar, Krishan
- Root Rot of Jatropha curcas Incited by Rhizoctonia bataticola in India
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Indian Forester, Vol 135, No 3 (2009), Pagination: 433-434Abstract
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- Pulping of Bauhinia purpurea (Kanchan)
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Indian Forester, Vol 106, No 5 (1980), Pagination: 368-371Abstract
Proximate chemical analysis and fibre dimensions of Bauhinia purpurea (Kanchan) have been recorded. Pulping of the above wood by sulphate process for wrapping, writing and printing papers is described. Suitability indices as compared to Bamboo are also calculated and it is observed that the species is suitable for making the above grades of paper.- Utilisation of Cotton Stem and Cotton Waste for Board and Paper
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Indian Forester, Vol 105, No 1 (1979), Pagination: 57-67Abstract
India is all agricultural cenutry and the main crop beSides the cereals is cotton. In the three cotton growing tracts, there is a frasibility of setting up a small board or wrapping or writing and printing paper mill of inferior quality. In this investigation, production of board by lime procesn wrapping papers by soda or sulphate process and printing papers by alkaline processes have been described, Fibre characteristics as weJl as proximate chemical analysis have also been detailed. Pulping studies on hOsiery waste as well as cotton ginoing waste are also described.- Straw-boards from Rajasthan Raw Material
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Indian Forester, Vol 105, No 8 (1979), Pagination: 571-572Abstract
Stem of Bajra (Pennistum typhoides), Bui (Kochia indica) and Khimp (Leptadenia pyrotechnica) were pulped by lime process for the production of straw boards on the laboratory scale. The strength properties of board sheets from all the raw materials meet the strength properties recommended by I.S.I.- Newsprint Grade Ground-wood Pulps from Alnus nepalensis
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Indian Forester, Vol 91, No 8 (1965), Pagination: 593-596Abstract
Laboratory Experiments on the production of ground-wood pulps from Alnus nepalensis are described. Standard pulp sheets are made from 100 per cent ground-wood pulp from this species and from a mixture of 60 per cent ground-wood pulp and 40 per cent imported bleached sulphate pulp. The strength properties and brightness of standard sheets prepared from the ground-wood pulp under suitable condition have shown that this wood is a suitable raw material for the production of ground-wood pulp suitable for newsprint production.- Newsprint Grade Groundwood Pulps from Melia Azedarach Linn. (Persian lilac)
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Indian Forester, Vol 92, No 6 (1966), Pagination: 357-361Abstract
Laboratory experiments on the production of groundwood pulp from Melia azedarach, Linn. Are described. Standard pulp sheets were prepared from 100 per cent groundwood pulp from the species and from a mixture of 60 per cent groundwood pulp and 40 per cent imported bleached sulphate pulp. The rate of grinding is slow, energy consumption is high and the brightness of the mechanical pulp is poor. The strength properties are quite satisfactory. The wood is not suitable for the preparation of groundwood pulp for manufacture of newsprint.- Production of Mechanical Pulps from Stetrculiaalata and Cassia siamea
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Indian Forester, Vol 92, No 8 (1966), Pagination: 523-528Abstract
no abstract- Chemical Pulps for Writing and Printing Papers from Eucalrptus camaldulensis
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Indian Forester, Vol 94, No 2 (1968), Pagination: 191-193Abstract
Laboratory experiments on the production of chemical pulps from Eucalyptus camaldulensis for production of writing and printing papers by sulphate process are described. The average fibre length of the pulp was 0.66 mm and the average fibre diameter was 0.011 mm. Easy bleaching pulps could be prepared under suitable conditions of digestion. The strength properties were, however, poorer than most other hardwoods tested in this laboratory.- Lime Pulps from Arhar Sticks (Cajanus Sp.) and Jawar Stalks (Sorghum Sp.)
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Indian Forester, Vol 95, No 10 (1969), Pagination: 689-691Abstract
Laboratory experiments on the production of lime pulps suitable for strawboard manufacture from arhar sticks (Cajanus sp.) and jawar stalks (Sorghum sp.) are described. Arhar sticks give pulps of higher yield whereas the strength properties are better in the case of jawar pulps. The strength properties of board sheets in both the pulps are higher than prescribed in I.S.I. Standards for strawboards and the yields are in both cases higher than rice straw and wheat straw.- Pilot Plant Production of Wrapping Papers from a Mixture of Oaks
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Indian Forester, Vol 96, No 3 (1970), Pagination: 258-262Abstract
Pilot plant scale trials on manufacture of wrapping papers from a mixture of three species of Oaks, viz., Quercus semecarpifolia, Quercus dilatata and Quercus incana are described. Pilot plant scale trials confirm the laboratory results published earlier. The trials on beating indicate that beater equipped with basalt lava roll and basalt lava bed plate gives better results than beater equipped with phosphorbronze tackles on the roll. The results show that for the same freeness, the percentage of fibres retained on 48 mesh were higher and percentage of fines (passing through 150 mesh) were lower when beating was done with basalt lava roll and basalt lava bed plate.- Pulping of Andhra Pradesh Hardwoods
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Authors
S. R. D. Guha
,
G. M. Mathur
,
R. N. Madan
,
Krishan Kumar
,
G. C. Agarwal
,
Rajesu Pant
,
S. Rajendra Prasad
,
A. H. Shah
,
D. K. Tiwari
,
K. M. Mehta
Source
Indian Forester, Vol 96, No 9 (1970), Pagination: 691-696Abstract
Laboratory experiments on production of chemical pulps from individual six species of Andhra Pradesh hardwoods for wrapping papers by sulphate process are deacribed. Mixed pulping of these six species was also carried out. To confirm the laboratory reaults pilot plant trial was also undertaken. The investigation reported in this paper has shown that pulps in good yield and satisfactory strength properties could be prepared from these hardwood species.- Pulping of Poplars
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Indian Forester, Vol 99, No 5 (1973), Pagination: 296-301Abstract
The results of pulping of Populus × euranmericana Cv. 'casale', I 488, Populus deltoides IC and Populus × euramericana Cv. 'Heidemlj' by sulphate process are described. The average fibre length of Populus 'casale' was 902.24 µ, of Populus deltoides was 952.32 µ, and of Populus 'Heidemij' was 885.12 µ, and the average fibre diameter was 22.768 µ, 23.626 µ, and 23.210 µ respectively. All the three poplars gave excellent yields (between 50% to 57% based on oven-dry chips) and excellent strength properties (between 6.6 km to 12.6 km breaking length). Silviculturally, Populus deltoides IC appears to be most promising for large scale propagation.- Soda Pulps from Nagaland Grasses for Writing and Printing Papers
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