Jonah Agunwamba

Energy Loss Characterization in Stepped Spillways: Experimental Study and Model Development for Slopes of 8.9°–26.6°

Okechuku Ozueigbo & Jonah Agunwamba · Journal of Engineering Research and Reports · 2025

Stepped spillways are structures built across dams to lessen the kinetic energy that could create scour at the natural riverbed below it. These structures utilize their stepped design to manage the energy in floodwaters. Numerous studies have point out the damaging effects of the...

Open access Research Article 10.9734/jerr/2025/v27i51505

Effect of Different Types of Chemicals, Cooking Time and Chemical Concentration on the Quality of Sludge and Pulp Appearance

Jane Adamma Chukwudebelu & Jonah Agunwamba · Asian Journal of Chemical Sciences · 2023

Pulp and paper production process releases different types of wastes into the environment and pulp mill sludge is one of the major wastes from pulp and paper mill. The environmental awareness has led to more attention being given to the process of paper production and the raw mat...

Open access Research Article 10.9734/ajocs/2023/v13i1232

Characteristics of Effluent from Formic Acid and Sodium Hydroxide Pulping of Kenaf Stem

Jane Adamma Chukwudebelu & Jonah Agunwamba · Asian Journal of Chemical Sciences · 2021

The pulp and paper industry is considered as one of the major potential sources of pollution in the environment and a consumer of wood. Environmental effects have been attributed to chemicals introduced during the manufacturing process. This paper investigated the influence of co...

Open access Research Article 10.9734/ajocs/2021/v10i319093