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The Conversion of Corra Gator-Boardy Part 3: Die Cutting Section, Paper360º May/June 2023

Operations Maintenance Coordinator: A Beneficial Role, Paper360º May/June 2023

North American/European Containerboard Capacity Declines, Paper360º May/June 2023

Formic acid pulping process of rice straw for manufacturing of cellulosic fibers with silica, TAPPI Journal August 2021

ABSTRACT: Emerging technology has the potential to develop entirely new approaches for producing cellulose fiber-based materials along with fuels and chemical raw materials like lignin and furfural. Rice straw is a rich source of cellulosic fibers and inorganic micronic-sized particles termed as ash. They can prove helpful in development of new or enhanced agricultural residue-based materials and products that offer cost effective substitutes for nonrenewable materials used in different domestic and industrial applications. Lignocellulose is an abundant material that is submicronic at the basic level. Rice straw is a fibrous lignocellulosic material obtained as agricultural residue, but it differs from most crop residues in its high content of silicon dioxide (SiO2). Ash content on a dry weight basis ranges from 13% to 20%, varying according to the state of conservation of the straw after harvest. The ash in rice straw has nearly 75% SiO2. The particle size analysis shows variation from a few microns to hundreds of microns for inorganic residues left after burning at high temperatures above 550°C. Proximate analysis of rice straw shows that it contains 54% to 56% holocellulose and 15% to 18% lignin, both of which are natural biopolymers. The compound analysis shows the different compounds present in rice straw ash.Rice straw is available in hundreds of million tons in India and other Asian countries, so suitable technologies are required to convert rice straw from a biomass waste to useful bioproducts like pulp, paper, and paperboard. This research paper is intended to obtain pulp with fibers having inherent silica present in it to give high opacity paper and better bonding between fibers.

Can carbon capture be a new revenue opportunity for the pulp and paper sector?, TAPPI Journal August 2021

ABSTRACT: Transition towards carbon neutrality will require application of negative carbon emission technologies (NETs). This creates a new opportunity for the industry in the near future. The pulp and paper industry already utilizes vast amounts of biomass and produces large amounts of biogenic carbon dioxide. The industry is well poised for the use of bioenergy with carbon capture and storage (BECCS), which is considered as one of the key NETs. If the captured carbon dioxide can be used to manufacture green fuels to replace fossil ones, then this will generate a huge additional market where pulp and paper mills are on the front line. The objective of this study is to evaluate future trends and policies affecting the pulp and paper industry and to describe how a carbon neutral or carbon negative pulp and paper production process can be viable. Such policies include, as examples, price of carbon dioxide allowances or support for green fuel production and BECCS implementation. It is known that profitability differs depending on mill type, performance, energy efficiency, or carbon dioxide intensity. The results give fresh understanding on the potential for investing in negative emission technologies. Carbon capture or green fuel production can be economical with an emission trade system, depending on electricity price, green fuel price, negative emission credit, and a mill’s emission profile. However, feasibility does not seem to evidently correlate with the performance, technical age, or the measured efficiency of the mill.

What does the future hold for engineering, Solutions!, September 2002, Vol. 85(9) (863KB)

What does the future hold for engineering, Solutions!, September 2002, Vol. 85(9) (863KB)

Successful experiences competition highlights problem-solving, teamwork, Solutions!, September 2002, Vol. 85(9) (472KB)

Successful experiences competition highlights problem-solving, teamwork, Solutions!, September 2002, Vol. 85(9) (472KB)

1995 pulping conference succees with opportunities to participate, TAPPI JOURNAL, May 1996, Vol. 79(5)

1995 pulping conference succees with opportunities to participate, TAPPI JOURNAL, May 1996, Vol. 79(5)

China: now and in the future, TAPPI JOURNAL, May 1996, Vol. 79(5)

China: now and in the future, TAPPI JOURNAL, May 1996, Vol. 79(5)

Results of corrosion coupon exposures of ferrous materials in black liquor, TAPPI JOURNAL, November 1996, Vol. 79(11)

Results of corrosion coupon exposures of ferrous materials in black liquor, TAPPI JOURNAL, November 1996, Vol. 79(11)