Download Black Liquor Gasification by Pratima Bajpai PDF

By Pratima Bajpai

Black Liquor Gasification (BLG) is a primary of its style to steer chemical engineers, scholars, operators of paper vegetation, technocrats, and marketers on sensible directions and a holistic techno-enviro-economic viewpoint acceptable to their destiny or current initiatives in keeping with the therapy of black liquor for power construction. BLG describes the gasification strategy as a extra effective substitute to present tactics for the conversion of black liquor biomass into power. BLG operates principally in sync with different easy methods to enhance pulp-making potency. This booklet explains how BLG deals the way to generate electrical energy and to reclaim pulping chemical substances from black liquor, and why BLG may change the Tomlinson restoration boiler for the restoration of spent chemical compounds and energy.

  • Describes the usage of black liquor as a resource of energy
  • Provides an in depth account of black liquor gasification methods for the creation of strength and chemical compounds from black liquor
  • Provides directions to chemical engineers for the therapy of black liquor

Show description

Read Online or Download Black Liquor Gasification PDF

Similar solid-state physics books

Scaling and Disordered Systems

Overseas Workshop and selection of articles honoring Professor Antonio Coniglio at the party of his sixtieth birthday. convention held April 13-14, 2000 in Paris, France. meant for experts in addition to graduate and postdoctoral scholars operating in condensed-matter or statistical physics.

Basic Electromagnetism and Materials

Simple Electromagnetism and fabrics is the manufactured from decades of training easy and utilized electromagnetism. This textbook can be utilized to educate electromagnetism to a variety of undergraduate technology majors in physics, electric engineering or fabrics technology. notwithstanding, by means of making lesser calls for on mathematical wisdom than competing texts, and through emphasizing electromagnetic houses of fabrics and their purposes, this textbook is uniquely suited for scholars of fabrics technology.

Extra resources for Black Liquor Gasification

Sample text

The first demonstration was completed in December 2003 The main issue during the gasification process was plugging problems. After numerous tests by TRI at both the Big Island and Ontario mills, the steam reformer was relaunched again in April 2004. The results of the gasification process are a 99% recovery of sodium supplying the mill by process steam and with 100% environmental technology. Currently Norampac’s steam reformer prolongs its work (KBLG, 2006). In spite of the headway done in the field of BLG, TRI has decided to return to the gasification of traditional biofuels and use its gasifier for these purposes because of the technical problems appearing during BLG process (Whitty, 2009).

A fully integrated forest products biorefinery utilizing TRI’s technology will achieve thermal efficiencies from 70% to 80% depending upon process configuration and biomass feedstock. A major drawback with MTCI process is low carbon conversion due to low temperature, but still the thermal efficiency is well above 70% as compared to 65% or less for conventional recovery boilers (Suresh, 2002). The indirect gasification of black liquor via the steam reformer is called liquor steam reforming because this process is based on the reaction of steam with organic carbon (as shown in the below equation) instead of partial oxidation liquor as is usual in the gasification process (Grigoray, 2009).

It is fired in a power boiler, usually with oil as a support fuel. For the kraft liquor, the process is modified to feed the gas from the waste heat boiler into a combined wet particulate scrubber and hydrogen sulfide absorber. The liquid product leaving this unit contains carbonate, hydrosulfide, and carbon. After filtering, it is green liquor which can be processed by conventional means. The main problems of this process were a low carbon conversion attributable to a very short residence time.

Download PDF sample

Rated 4.48 of 5 – based on 25 votes