The phrase "as a certain type of" is correct and usable in written English.
It can be used when categorizing or describing something in relation to a specific classification or group.
Example: "She approached the problem as a certain type of challenge that required creative thinking."
Alternatives: "in a specific category of" or "as a particular kind of".
Murray describes the underclass as a "certain type of poor person defined not by his condition but by his deplorable behaviour in response to that condition".
"He gets pigeon-holed as a certain type of manager but I have to say not once did I hear him coach the players the long-ball game.
Researchers are studying new ways of fighting it, including the introduction of natural predators, such as a certain type of wasp from China.
"When those things happen, people forget about you, people write you off, people start labeling you as a certain type of player".
And while the blueliner was never nearly as bad as a certain type of Maple Leaf fans insisted on making him out to be, he couldn't live up to the massive expectations the franchise continually dumped on him.
"For a long, long time I'd been portrayed as a certain type of person by the media and, of course, with certain elements of my character, they totally give them the ammunition.
These examples illustrate that there is a need for an exposure indicator that allows for controlling dose in an individual patient as well as for a certain type of examination in a whole patient group.
There are a few funny lines but, as in a certain type of erotic movie, jokes are basically antipathetic to the Lord of the Rings experience.
They were as blue as the sides of a certain type of box of matches.
They had the wrong product in their new product cycle, and they misread their all-important consumer base as far as the appetite for a certain type of technology, with the [Power Mac] G4 Cube.
I leave the moral and legal implications to others, but in artistic terms, pot is as fatal to a certain type of creativity as the X Factor.
