April 2019 | AIChE

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April 2019

Engineers Use Recycled Car Tires to Produce Fire-Resistant Concrete

April
2019
Most people perceive concrete as a solid, nearly indestructible material. Although it supports buildings and bridges across the world, concrete has its weaknesses.

Body Armor Inspired by Lobster Membranes

April
2019
One warm summer evening in Boston, Jinrong Wu, an engineer from China, attended a dinner with some colleagues from the Massachusetts Institute of Technology (MIT). It was his first trip to the U.S., and he ordered a dish he’d never eaten before — lobster.
Body Armor Inspired by Lobster Membranes; Novel Porous Carbon Fibers Store Energy; Researchers Discover New Crystal Structure; Using Ammonia as a Clean Energy Solution; Placenta-on-a-Chip Models Caffeine Passage to Fetus; Engineers Use Recycled Car Tires to Produce Fire-Resistant Concrete
April
2019
The ratio of a fermenter’s liquid height to diameter can impact its heat-transfer surface area, blend time, and required agitator power. This article describes the factors that go into determining the optimum aspect ratio for a given set of conditions.
April
2019
Understanding differences in microbial hazards and handling procedures is key to ensuring occupational safety when working with biohazard materials.
April
2019
Develop a thermodynamic combined heat and power (CHP) model to help optimize plant utility usage.
April
2019
In its role as the voice of AIChE members in and about government policy, the Public Affairs and Information Committee (PAIC) will from time to time inform CEP ’s readers about its activities. In this column, we explain how the PAIC has been...
April
2019
Biologists and bioengineers alike must understand the most basic unit of life — the cell. However, the complexity of various intracellular processes presents a challenge for researchers who try to discern biological processes and the engineers who want to make specific modifications to cells. Cell-free systems reduce these complex interactions by allowing researchers to study the reactions in the cell outside of the cell boundary.
April
2019
The late 1970s were a tumultuous time for Iran, a nation pervaded by feelings of unrest. In 1979, a tide of Iranian citizens frustrated with the increasing westernization of their country toppled the ruling monarchy. In the years before the...
April
2019
An explosion at a large U.S. chemical manufacturing site occurred during startup of a distillation column. Investigators believe that early in the startup process, trays in the column were damaged, which may have created poor separation of a...
April
2019

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